Title 30--MINERAL RESOURCES
Chapter I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR


the letters and acronym of the Administration delineated as MSHA appearing in large letters in the middle of the emblem. Above the letters and acronym appear the words...


``Mine Safety and Health Administration'' in correspondence, rules, regulations, and in certificates of approval, approval plates, labels, and markings prescribed by the...


approved and assigned control numbers by the Office of Management and Budget (OMB) under the Paperwork Reduction Act. Regulation sections in this chapter containing...


connection with testing, evaluation and approval of products manufactured for use in underground mines. Included in this part is the method used to calculate the fees and the...


that date will be subject to this part. Applications in process on that date will be processed under the appropriate fee provision in effect on the date of its receipt...


This fee will be calculated based on the hourly compensation cost to conduct the review. The fee will be non-refundable. However, payment will be fully credited...


P.O. Box 25367, Denver Federal Center, Denver, Colorado 80225, at the time the application is submitted to the Approval and Certification Center. The check or money order...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR5.50] [Page 12] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 5--FEES FOR TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS--Table of Contents Sec. 5.50 Fee revisions. Each fee schedule shall remain in effect for at least one year and be subject to revision at least once every three years. ...


of products MSHA approves for use in gassy underground mines. It permits manufacturers of certain products who seek MSHA approval to use an independent laboratory...


organization that manufactures or controls the assembly of a product and applies to MSHA for approval of that product. Approval. A written document issued by MSHA...


an independent laboratory for purposes of MSHA product approval provided that MSHA receives as part of the application: (1) Written evidence of the laboratory's...


product safety standards, or groups of standards, as equivalent after determining that they: [[Page 14]] (1) Provide at least the same degree of...


and materials for use in underground mines whose product testing and evaluation does not involve subjective analysis.These requirements apply to products listed in...


or organization that manufactures or controls the assembly of a product and that applies to MSHA for approval of that product. Approval. A document issued by MSHA...


or organization that manufactures or controls the assembly of a product and that applies to MSHA for approval of that product. Approval. A document issued by MSHA...


extension of approval shall be sent to: U.S. Department of Labor, Mine Safety and Health Administration, Approval and Certification Center, RR 1, Box 251, Industrial...


using the test procedures specified in the appropriate subpart unless MSHA determines, upon review of the documentation submitted, that testing is not required. Applicants...


product as approved until MSHA has issued the applicant an approval. (b) MSHA will issue an approval or a notice of the reasons for denying approval after reviewing...


marking, as specified in the appropriate subpart of this part. (b) For an extension of approval, the extension number shall be added to the original approval number on...


part shall-- (a) Inspect or test, or both, the critical characteristics in accordance with the appropriate subpart of this part; (b) Unless otherwise specified in...


by MSHA for the purpose of determining conformity with the technical requirements upon which the approval was based. Any approved product which is to be audited shall...


(1) Fails to meet the applicable technical requirements; or (2) Creates a hazard when used in a mine. (b) Prior to revoking an approval, the...


product safety standards, or groups of standards, as equivalent after determining that they: (1) Provide at least the same degree of protection as MSHA's...


for approval of brattice cloth and ventilation tubing. It is effective August 22, 1988. Applications for approval or extension of approval submitted after August...


Brattice cloth. A curtain of jute, plastic, or similar material used to control or direct ventilating air. Denier. A unit of yarn size indicating the fineness of fiber...


address two or more products if the products differ only in: weight of [[Page 19]] the finished product; weight or weave of the same fabric or scrim; or...


tested in accordance with the flame resistance test in Sec. 7.27. (b) Flexible ventilation tubing shall be manufactured using an MSHA- approved brattice cloth. If...


and ventilation tubing shall be flame tested or a sample of each batch or lot of the materials that contribute to the flame-resistance characteristic shall be inspected...


test for flame- resistance of brattice cloth and ventilation tubing shall be constructed as follows: (a) A 16-gauge stainless steel gallery lined on the top, bottom...


Prepare 6 samples of brattice cloth 40 inches wide by 48 inches long. (2) Prior to testing, condition each sample for a minimum of 24 hours at a temperature of...


(1) Prepare 6 samples of ventilation tubing 48 inches in length with all flared or thickened ends removed. Any sample with a cross-sectional dimension greater than 24...


marked with the assigned MSHA approval number at intervals not exceeding ten feet. If the nature of the material or method of processing makes such marking...


a year except for cause, the approval-holder shall supply to MSHA at no cost up to fifty feet of each approved design of brattice cloth and ventilation tubing...


incorporates technology for which the requirements of this subpart are not applicable, if the Agency determines that the product is as safe as those which meet...


MSHA approval of battery assemblies intended for incorporation in approved equipment in underground mines. It is effective August 22, 1988. Applications for approval...


A unit or units consisting of cells and their electrical connections, assembled in a battery box or boxes with covers. Battery box. The exterior sides, bottom,...


shall contain sufficient information to document compliance with the technical requirements of this subpart and include a composite drawing with the...


1010 hot rolled steel shall have the following minimum thicknesses based on the total weight of a unit of the battery assembly charged and ready...


tested on each battery assembly to which an approval marking is affixed: (a) Thickness of covers and boxes. (b) Application and resistance of...


covers at -13 [deg]F (-25 [deg]C) and two covers at 122 [deg]F (50 [deg]C) for a period of 48 hours. (2) Mount the covers on a battery box of the same design...


testing that measure 5 inches by \1/2\ inch, by the thickness of the material as it will be used. Prior to testing, condition the samples at 73.4[plusmn] 3.6 [deg]F...


insulated surfaces of the battery box and of the cover that measure at least 4 inches by 8 inches, by the thickness of the sample which includes the insulation plus the...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR7.49] [Page 24] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 7--TESTING BY APPLICANT OR THIRD PARTY--Table of Contents Subpart C--Battery Assemblies Sec. 7.49 Approval marking. Each approved battery assembly shall be identified by a legible and permanent approval plate inscribed with the assigned MSHA approval number and securely attached to the battery box. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR7.50] [Page 24] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 7--TESTING BY APPLICANT OR THIRD PARTY--Table of Contents Subpart C--Battery Assemblies Sec. 7.50 Post-approval product audit. Upon request by MSHA, but no more than once a year except for cause, the approval-holder shall make an approved battery assembly available for audit at no cost to MSHA. ...


accompanied by a description of what is necessary to maintain the battery assembly as approved. [53 FR 23500, June 22, 1988, as amended at 60 FR 33723, June...


which the requirements of this subpart are not applicable, if the Agency determines that the battery assembly is as safe as those which meet the requirements of...


noted. This subpart establishes the specific requirements for MSHA approval of multiple-shot blasting units. It is effective January 22, 1990. Applications...


Blasting circuit. A circuit that includes one or more electric detonators connected in a single series and the firing cable used to connect the detonators to the blasting unit. ...


shall include the following: (1) An overall assembly drawing showing the physical construction of the blasting unit. (2) A schematic diagram of the...


acceptable performance criteria of the output energy test in Sec. 7.66. (b) Maximum blasting circuit resistance. The maximum value of the resistance of the blasting...


inspected or tested on each blasting unit to which an approval marking is affixed: (a) The output current. (b) The voltage cut-off time. (c) The components...


firing into each of the following resistive loads, within a tolerance of [plusmn]1%: (1) The maximum blasting circuit resistance. (2) Any resistive load between...


unit subsequent to the output energy test of Sec. 7.66. (a) Test procedures. (1) The blasting unit shall be dropped 20 times from a height of 3 feet onto a...


each firing line terminal shall be determined. (2) A 10-pound pull shall be applied to a No. 18 gauge wire that has been connected to each firing line...


by a legible and permanent marking securely attached, stamped, or molded to the outside of the unit. This marking shall include the following: (a) The assigned...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR7.70] [Page 31] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 7--TESTING BY APPLICANT OR THIRD PARTY--Table of Contents Subpart D--Multiple-Shot Blasting Units Sec. 7.70 Post-approval product audit. Upon request by MSHA, but not more than once a year except for cause, the approval holder shall make an approved blasting unit available for audit at no cost to MSHA. ...


be accompanied by a description of what is necessary to maintain the blasting unit as approved. [54 FR 48210, Nov. 21, 1989, as amended at 60 FR 33723, June...


which the requirements of this subpart are not applicable if the Agency determines that the blasting unit is as safe as those which meet the requirements of...


unless otherwise noted. Subpart A general provisions of this part apply to this subpart E. Subpart E establishes the specific engine performance and...


part, the following definitions apply in this subpart. Brake Power. The observed power measured at the crankshaft or its equivalent when the engine is equipped only...


a diesel engine shall contain sufficient information to document compliance with the technical requirements of this subpart and specify whether the application is for...


fuel injection system of the engine shall be constructed so that the quantity of fuel injected can be controlled at a desired maximum value. This adjustment shall be...


be inspected or tested on each diesel engine to which an approval marking is affixed-- (a) Fuel rate is set properly; and (b) Fuel injection pump adjustment...


shall be used in determining the maximum f/a ratio, gaseous ventilation rates, and the particulate index. (1) The following testing devices shall be provided: (i)...


(1) Couple the diesel engine to the dynamometer and connect the sampling and measurement devices specified in Sec. 7.86. (2) Prior to testing, zero and span the CO...


shall be performed in the order listed in Table E-2. The test for determination of the particulate index described in Sec. 7.89 may be done simultaneously with this test. ...


performed in the order listed in Table E-3. (a) Test procedure. (1) Couple the diesel engine to the dynamometer and connect the sampling and measurement devices specified in...


identified by a legible and permanent approval marking inscribed with the assigned MSHA approval number and securely attached to the diesel engine. The marking shall also...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR7.91] [Page 50] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 7--TESTING BY APPLICANT OR THIRD PARTY--Table of Contents Subpart E--Diesel Engines Intended for Use in Underground Coal Mines Sec. 7.91 Post-approval product audit. Upon request by MSHA, but no more than once a year except for cause, the approval holder shall make a diesel engine available for audit at no cost to MSHA. ...


for which the requirements of this subpart are not applicable if MSHA determines that the diesel engine is as safe as those which meet the requirements of...


Purpose and effective date. Source: 61 FR 55518, Oct. 25, 1996, unless otherwise noted. Part 7, subpart A general provisions apply to subpart F. Subpart...


Definitions. In addition to the definitions in subparts A and E of this part, the following definitions apply in this subpart. Cylindrical joint. A joint...


Application requirements. (a) An application for approval of a diesel power package shall contain sufficient information to document compliance with the...


Technical requirements. (a) The diesel power package shall use a category A diesel engine approved under subpart E of this part with the following...


Critical characteristics. The following critical characteristics shall be inspected or tested on each diesel power package to which an approval marking...


Explosion tests. (a) Test procedures. (1) Prepare to test the diesel power package as follows: (i) Perform a detailed check of parts against the drawings...


Surface temperature tests. The test for determination of exhaust gas cooling efficiency described in Sec. 7.102 may be done simultaneously with this test. (a)...


Exhaust gas cooling efficiency test. (a) Test procedures. (1) Follow the procedures specified in Sec. 7.101(a). (2) Install a temperature measuring device to...


Safety system control test. (a) Test procedures. (1) Prior to testing, perform the tasks specified in Sec. 7.101(a)(1) and install sufficient temperature...


Internal static pressure test. (a) Test procedures. (1) Isolate and seal each segment of the intake system or exhaust system to allow pressurization. (2)...


Approval marking. Each approved diesel power package shall be identified by a legible and permanent approval plate inscribed with the assigned MSHA approval...


Post-approval product audit. Upon request by MSHA, but not more than once a year except for cause, the approval-holder shall make an approved diesel power...


New technology. MSHA may approve a diesel power package that incorporates technology for which the requirements of this subpart are not applicable if MSHA...


Power package checklist. Each diesel power package bearing an MSHA approval plate shall be accompanied by a power package checklist. The power package checklist...


noted. This subpart establishes the specific requirements for MSHA approval of certain explosion-proof electric motor assemblies intended for use in...


Afterburning. The combustion of any flammable mixture that is drawn into an enclosure after an internal explosion in the enclosure. This condition is determined through detection...


shall include a composite drawing or drawings with the following information: (1) Model (type), frame size, and rating of the motor assembly. (2) Overall dimensions...


4160 volts. (b) The temperature of the external surfaces of the motor assembly shall not exceed 150 [deg]C (302 [deg]F) when operated at the manufacturers'...


inspected on each motor assembly to which an approval marking is affixed: (a) Finish, width, and planarity of surfaces that form any part of a flame-arresting path. ...


test: (1) An explosion test chamber designed and constructed to contain an explosive gas mixture to surround and fill the motor assembly being tested. The chamber must...


pressurized to a minimum of 150 psig and the pressure maintained for a minimum of 10 seconds. (2) Following the pressure hold, the pressure shall be removed and...


be an assembly consisting of a fastening with a locking device. Each standard sample shall be an assembly consisting of a fastening with a lockwasher. (2) Five...


legible and permanent approval plate inscribed with the assigned MSHA approval number and a warning statement as specified in Sec. 7.306(d) of this part. The plate shall be...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR7.310] [Page 69] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 7--TESTING BY APPLICANT OR THIRD PARTY--Table of Contents Subpart J--Electric Motor Assemblies Sec. 7.310 Post-approval product audit. Upon request by MSHA but not more than once a year, except for cause, the approval holder shall make a motor assembly available for audit at no cost. [[Page 70]] ...


be accompanied by a list of items necessary for maintenance of the motor assembly as approved. Appendix I to Subpart J of Part...


this part. Applicant. An individual or organization that manufactures or controls the production of an explosive or an explosive unit and that applies to MSHA for...


of MSHA and the Bureau of Mines, U.S. Department of the Interior, representatives of the applicant, and such other persons as agreed upon by MSHA and the applicant shall...


(a) Application. Requests for an approval or an extension of approval under this part shall be sent to: U.S. Department of Labor, Mine Safety and Health Administration, Approval...


(1) The applicant shall not submit explosives or sheathed explosive units to be tested until requested to do so by MSHA. (2) The applicant shall submit 70 pounds...


approval or a notice of the reasons for denying approval after completing the evaluation and testing provided for by this part. (b) An applicant shall not advertise...


sheathed explosive unit shall be marketed only under the brand or trade name specified in the approval. (b) The wrapper of each cartridge and each case of approved...


approval or an extension of approval under this part shall manufacture the explosive or sheathed explosive unit as approved. (b) Applicants shall immediately report to the...


product specifications and performance submitted to MSHA by the applicant shall be considered proprietary information. (b) MSHA will notify the applicants...


and sheathed explosive units shall be subject to periodic audits by MSHA for the purpose of determining conformity with the technical requirements upon which the approval...


an approval issued under this part if the explosive or sheathed explosive unit-- [[Page 87]] (1) Fails to meet the applicable technical requirements; or ...


(a) Chemical composition. The chemical composition of the explosive shall be within the tolerances furnished by the applicant. (b) Rate-of-detonation test. The explosive...


for each ingredient in an explosive, which are expressed as a percentage of the total explosive, shall not exceed the following: (a) Physical sensitizers: The...


gravity. (a) The rate of detonation of the explosive shall be within [plusmn]15 percent of that specified in the approval. (b) The weight of wrapper per...


Confines of a Borehole Sec. 15.30 Technical requirements. (a) Quantity of explosive. The sheathed explosive unit...


Confines of a Borehole Sec. 15.31 Tolerances for ingredients. Tolerances established by the applicant for each ingredient in...


Confines of a Borehole Sec. 15.32 Tolerances for weight of explosive, sheath, wrapper, and specific gravity. (a) The weight of...


to obtain MSHA: Approval of electrically operated machines and accessories intended for use in gassy mines or tunnels, certification of components intended for use on...


written notification by MSHA that a hose or conveyor belt has met the applicable requirements of this part and will be listed by MSHA as acceptable flame-resistant...


visit Approval and Certification Center, Industrial Park Road, Dallas Pike, Triadelphia, W. Va. 26059, to discuss a proposed design to be submitted for...


be issued only for a complete electrical machine or accessory. Only components meeting the requirements of subpart B of this part or those approved under part 7 of this...


be issued for a component or subassembly suitable to incorporate in an approved machine. Certification may be issued for such components as explosion-proof enclosures,...


extension thereof, or acceptance of hose or conveyor belt, will be undertaken by MSHA only pursuant to a written application, in duplicate, accompanied by a check,...


extension thereof, or acceptance of hose or conveyor belt, will be undertaken by MSHA only pursuant to a written application, in duplicate, accompanied by a check,...


of an application will determine the order of precedence for investigation and testing. If an electrical machine component or accessory fails to meet any of the requirements,...


of an approval, certification, or acceptance of a hose or conveyor belt, only MSHA personnel, representative(s) of the applicant, and such other person(s) as may be...


of a complete assembly of an electrical machine or accessory, MSHA will issue to the applicant either a written notice of approval or a written notice of disapproval, as...


by a photograph of an approval plate, bearing the emblem of Mine Safety and Health Administration, the name of the complete assembly, the name of the applicant, and...


be issued by MSHA for a component intended for incorporation in a complete machine or accessory for which an approval may be subsequently issued. A letter of certification...


by a certification plate attached to the component in a manner acceptable to MSHA. The method of attachment shall not impair any explosion-proof characteristics of...


An enclosure that meets all applicable requirements of this part, but has not been certified by MSHA, shall be identified by a permanent marking on it in a conspicuous...


to change any feature of approved equipment or a certified component, he shall first obtain MSHA's concurrence pursuant to the following procedure: (a)...


to change any feature of approved equipment or a certified component, he shall first obtain MSHA's concurrence pursuant to the following procedure: (a)...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR18.16] [Page 98] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 18--ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES--Table of Contents Subpart A--General Provisions Sec. 18.16 Withdrawal of approval, certification, or acceptance. MSHA reserves the right to rescind, for cause, any approval, certification, acceptance, or extension thereof, issued under this part. ...


(a) Electrically operated equipment intended for use in coal mines shall be rugged in construction and shall be designed to facilitate inspection and maintenance. (b)...


Powered dust collectors on machines submitted for approval shall meet the applicable requirements of Part 33 of this chapter (Bureau of Mines Schedule 25B), and shall bear the...


Each boring-type continuous-mining machine that is submitted for approval shall be constructed with an unobstructed continuous space(s) of not less than 200 square...


temperature of the external surfaces of mechanical or electrical components shall not exceed 150 [deg]C. (302 [deg]F.) under normal...


electrical conductor surfaces, or between uninsulated conductor surfaces and grounded metal surfaces, within the enclosure shall be as follows: ...


(a) Insulating materials that give off flammable or explosive gases when decomposed electrically shall not be used within enclosures where the materials [[Page...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR18.26] [Page 99] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 18--ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES--Table of Contents Subpart B--Construction and Design Requirements Sec. 18.26 Static electricity. Nonmetallic rotating parts, such as belts and fans, shall be provided with a means to prevent an accumulation of static electricity. ...


two surfaces forming a flame-arresting path except as follows: (a) A gasket of lead, elastomer, or equivalent will be acceptable provided the gasket does not interfere with...


(a) Devices for installation on explosion-proof enclosures to relieve pressure, ventilate, or drain will be acceptable provided the length of the flame-arresting path and...


(a) Access openings in explosion-proof enclosures will be permitted only where necessary for maintenance of internal parts such as motor brushes and fuses. ...


materials for windows or lenses except headlight lenses. When tested, material for windows or lenses shall meet the test requirements prescribed in Sec. 18.66 and shall be sealed...


(1) Cast or welded enclosures shall be designed to withstand a minimum internal pressure of 150 pounds per square inch (gage). Castings shall be free...


or studs shall be used for fastening adjoining parts to prevent the escape of flame from an enclosure. Hinge pins or clamps will be acceptable for this purpose provided...


bolt holes that form any part of a flame- arresting path shall be plane to within a maximum deviation of one-half the maximum clearance specified in Sec. 18.31(a)(6). All...


for use in approved equipment in underground mines that are specifically addressed in part 7 of this chapter shall be approved under part 7 of this chapter...


and cords used to conduct electrical energy to face equipment shall conform to the following: (1) Have each conductor of a current-carrying capacity consistent...


machine components shall have: (1) Adequate current-carrying capacity for the loads involved, (2) short-circuit protection, (3) insulation compatible with the...


extend through an outside wall of an explosion-proof enclosure, shall pass through a stuffing-box lead entrance. All sharp edges that might damage insulation shall be...


will be acceptable for use in a common wall between two explosion-proof enclosures. (b) When insulated wires or cables are extended through a common wall between...


mechanical protection of all machine cables that are exposed to damage. Hose conduit shall be flame resistant and have a minimum wall thickness of \3/16\ inch. The...


provided for all portable (trailing) cables to prevent strain on the cable terminals of a machine. Also insulated clamps shall be provided to prevent strain on both ends of...


and receptacle-type connectors for use inby the last open crosscut in a gassy mine shall be so designed that insertion or withdrawal of a plug cannot cause incendive arcing...


and receptacle-type connectors for use inby the last open crosscut in a gassy mine shall be so designed that insertion or withdrawal of a plug cannot cause incendive arcing...


through an outside wall(s) of a distribution box shall be conducted either through a packing gland or an interlocked plug and receptacle. (b) Short-circuit...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR18.43] [Page 106] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 18--ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES--Table of Contents Subpart B--Construction and Design Requirements Sec. 18.43 Explosion-proof splice boxes. Internal connections shall be rigidly held and adequately insulated. Strain clamps shall be provided for all cables entering a splice box. ...


(a) Battery-powered equipment shall use battery assemblies approved under Part 7 of this chapter, or battery assemblies accepted or certified under this part prior to August...


electrical energy through a portable cable and is designed to travel at speeds exceeding 2.5 miles per hour, shall have a mechanically, hydraulically, or...


explosion-proof enclosures. (b) Headlights shall be mounted to provide illumination where it will be most effective. They shall be protected from damage by guarding...


the operator's hand or supported against his body will not be approved with a nameplate rating exceeding 300 volts direct current or alternating current. (b) A...


be equipped with a circuit-interrupting device by means of which all power conductors can be deenergized at the machine. A manually operated controller will not be...


to facilitate replacement of cables or machine components shall be explosion-proof. Portable-cable terminals on cable reels need not be in explosion-proof enclosures provided...


Provision shall be made for maintaining the frames of all off-track machines and the enclosures of related detached components at safe voltages by using one or a combination of...


(a) An automatic circuit-interrupting device(s) shall be used to protect each ungrounded conductor of a branch circuit at the junction with the main circuit when the...


access to fuses, other than headlight, control- [[Page 109]] circuit, and handheld-tool fuses, shall be interlocked with a circuit- interrupting device. Fuses...


each high-voltage motor-starter enclosure, with the exception of a controller on a high-voltage shearer, the disconnect device compartment, control/communications compartment,...


each electrical component shall include the following: (a) A detailed check of parts against the drawings submitted by the applicant to determine that: (1) The parts...


new machine or a substantially modified design of a previously approved one shall be inspected by a qualified representative(s) of MSHA. When such inspection discloses...


In testing for explosion-proof characteristics of an enclosure, it shall be filled and surrounded with various explosive mixtures of natural gas and air. The explosive mixture...


test specimen. (1) Conveyor belting--four specimens each 6 inches long by \1/2\-inch wide by belt thickness, two cut parallel to the warp and two parallel to the weft. ...


cylindrical weight with a 1-inch- diameter hemispherical striking surface shall be dropped (free fall) to strike the window or lens in its mounting, or the equivalent thereof,...


by the applicant on each enclosure of a specific design when MSHA determines that visual inspection will not reveal defects in castings or in single-seam welds. Such...


(1) Tests for intrinsic safety will be conducted under the general concepts of ``intrinsically safe'' as defined in Subpart A of this part. Further tests or requirements may be added...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR18.69] [Page 115] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 18--ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES--Table of Contents Subpart C--Inspections and Tests Sec. 18.69 Adequacy tests. MSHA reserves the right to conduct appropriate test(s) to verify the adequacy of equipment for its intended service. ...


Use Experimental Equipment Sec. 18.80 Approval of machines assembled with certified or explosion-proof components. (a) A machine...


Experimental Equipment Sec. 18.81 Field modification of approved (permissible) equipment; application for approval of modification; approval of...


Experimental Equipment Sec. 18.81 Field modification of approved (permissible) equipment; application for approval of modification; approval of...
...


mines that may contain dangerous concentrations of methane. Lists of such lamps will be published from time to time in order that State mine-inspection...


an investigation leading to approval of his lamp. This application, in duplicate, accompanied by a check, bank draft, or money order, payable to U.S. Mine Safety and...


an investigation leading to approval of his lamp. This application, in duplicate, accompanied by a check, bank draft, or money order, payable to U.S. Mine Safety and...


of which it is made, should be submitted at the time the application for test is made. This material should be sent prepaid to Approval and Certification Center, RR 1,...


for the conditions of underground service. They shall offer no probable explosion hazard if used in gassy or dusty mine atmospheres or bodily hazard from the spilling of...


considered: (1) The materials used; (2) construction; (3) weight; (4) amount of light; (5) distribution of light; and (6) exclusion of dust from the headpiece. The suitability...


an explosive atmosphere by the heated filament of the bulb in case the bulb glass is accidentally broken, and ignition by sparks or flashes from the battery. MSHA...


that: (a) Spilling of electrolyte. The lamp shall be so designed and constructed that, when properly filled, the battery will neither leak nor spill...


with respect to performance, as follows: (a) Time of burning and candlepower. Permissible electric cap lamps shall burn for at least 10 consecutive hours on one...


investigation. These include drawings and actual equipment, as follows: (a) Drawings. The original drawings submitted with the application for...


judge that the lamp has met the requirements of the part and MSHA's records concerning the lamp are complete, including drawings from the manufacturer that show the...


of each permissible lamp. The plate shall bear the emblem of the Mine Safety and Health Administration and be inscribed as follows: ``Permissible Electric Cap Lamp....


according to the drawings which he has submitted to MSHA and which have been considered and included in the approval. Therefore, when he desires to make any change in the design...


according to the drawings which he has submitted to MSHA and which have been considered and included in the approval. Therefore, when he desires to make any change in the design...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR20.0] [Page 133] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 20--ELECTRIC MINE LAMPS OTHER THAN STANDARD CAP LAMPS--Table of Contents Sec. 20.0 Compliance with the requirements necessary for obtaining approval. To receive approval of MSHA for any electric mine lamps other than standard cap lamps a manufacturer must comply with the requirements specified in this part. ...


other than standard cap lamps, that may be used in mines, especially in mines that may contain dangerous proportions of methane. (b) This part supersedes Schedule...


(b) Approval. Official notification in writing from MSHA to a responsible organization, stating that upon investigation its lamp has been adjudged satisfactory under...


make application by letter for an investigation of his lamp. This application, in duplicate, accompanied by a check, bank draft, or money order, payable to the U.S. Mine...


make application by letter for an investigation of his lamp. This application, in duplicate, accompanied by a check, bank draft, or money order, payable to the U.S. Mine...


the lamp and the materials of which it is made, should be submitted at the time the application for investigation is made. This material should be sent prepaid to Approval...


for which they are designed and approved. (b) The intensity of light, distribution of light, and battery capacity shall be adequate for the use for which the lamp...


that are self-contained and easily carried by hand, and class 2, those that may or may not be self- contained and not so readily portable as the first class. (a) Class...


probable explosion hazards: Ignition of an explosive atmosphere by the heated filament of the bulb in case the bulb glass is accidentally broken, and ignition by...


air by the broken bulb or other igniting sources within the lamp, the bulb and all spark-producing parts must be enclosed in explosion-proof compartments. ...


in fulfilling the purposes for which it was designed. These tests include the following: (a) Safety tests, including tests of safey devices, electrical contacts,...


are kept covering each investigation. These include drawings and actual equipment, as follows: (a) Drawings. The original drawings submitted with the application for...


part only when the testing engineers judge that the lamp has met the requirements of this part and after MSHA's records concerning the lamp are complete, including...


each permissible lamp. The plate shall bear the emblem of the Mine Safety and Health Administration, and be inscribed as follows: ``Permissible ---------- Lamp. Approval...


make the lamp according to the drawings submitted to MSHA, which have been considered and included in the approval. Therefore, when the manufacturer desires to make...


make the lamp according to the drawings submitted to MSHA, which have been considered and included in the approval. Therefore, when the manufacturer desires to make...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR22.0] [Page 139] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 22--PORTABLE METHANE DETECTORS--Table of Contents Sec. 22.0 Compliance with the requirements necessary for obtaining approval. To receive approval of MSHA for any portable methane detectors a manufacturer must comply with the requirements specified in this part. ...


such detectors will be published from time to time in order that State mine-inspection departments, compensation bureaus, mine operators, miners, and others interested in...


(b) Methane-indicating detector. A methane-indicating detector is a device that will show, within certain limits of error, on an adequate scale, the percentage of methane in a...


application by letter for an investigation leading to approval of his detector. This application, in duplicate, accompanied by a check, bank draft, or money order, payable to...


application by letter for an investigation leading to approval of his detector. This application, in duplicate, accompanied by a check, bank draft, or money order, payable to...


the materials of which it is made, should be forwarded prepaid to Approval and Certification Center, RR 1, Box 251, Industrial Park Road, Triadelphia, WV 26059, at the time...


suitable for service conditions underground. They shall offer no probable explosion hazard if used in gaseous mine atmospheres nor any bodily hazard, such as spilling...


(2) construction, (3) accuracy, (4) size and shape, (5) range of detection (or indication), (6) life of the active parts, and (7) attention required. The suitability of...


investigation. These records include drawings and actual equipment as follows: (a) Drawings. The original drawings submitted with the application for the tests and the...


engineers have judged that it has met the requirements of the schedule and MSHA's records are complete, including drawings from the manufacturer that show the detector as...


detector. The plate shall bear the emblem of the Mines Safety and Health Administration and be inscribed as follows: Permissible Methane Detector...


detector according to the drawings submitted to MSHA which have been considered and included in the approval. Therefore, when the manufacturer desires to make any changes in...


detector according to the drawings submitted to MSHA which have been considered and included in the approval. Therefore, when the manufacturer desires to make any changes in...


used safely in mines, especially in coal mines that may have gassy or dust-laden atmospheres. This schedule supersedes Schedule 9A, issued under date of December 5, 1922,...


(b) Approval means official notification by letter, from MSHA to a responsible organization, stating that the device under consideration has been judged to meet...


make application by letter for an investigation leading to approval of his device. This application in duplicate, accompanied by a check, bank draft, or money...


make application by letter for an investigation leading to approval of his device. This application in duplicate, accompanied by a check, bank draft, or money...


the materials of which the parts are made, shall be submitted preferably at the time the application for test is made. These shall be sent prepaid to Approval and...


conditions of underground service. They shall offer no probable explosion hazard under normal operation if use in gassy or dusty...


the electrical design and construction of telephones and signal devices shall be such that neither contact between wires comprising the external circuits nor contact of tools or...


may be made to check the electrical characteristics and constants of the various parts, and determine the adequacy of the insulation and other parts of features of...


conditions: (a) Without the approval plate, mentioned hereafter. (b) With unprotected openings in any of the explosion-proof compartments. This condition refers...


each investigation. These records include drawings and actual equipment as follows: (a) Drawings. The original drawings submitted with the application for the...


the testing engineers have judged that it has met the requirements of the part and MSHA's records are complete, including drawings from the manufacturer that show the device as...


each permissible device. The plate shall bear the emblem of the Mine Safety and Health Administration and be inscribed as follows: Permissible Telephone (or...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR23.13] [Page 147] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 23--TELEPHONES AND SIGNALING DEVICES--Table of Contents Sec. 23.13 Withdrawal of approval. MSHA reserves the right to rescind for cause at any time any approval granted under this part. ...


his device according to the drawings that he has submitted to MSHA and that have been considered and included in the approval. Therefore, before making any changes in the design...


his device according to the drawings that he has submitted to MSHA and that have been considered and included in the approval. Therefore, before making any changes in the design...


or components thereof to procure certification for their incorporation in or with permissible equipment that is used in gassy mines, tunnels, or other...


Labor, Mine Safety and Health Administration. [[Page 149]] (b) Applicant means an individual, partnership, company, corporation, association, or...


Certification Center, RR 1, Box 251, Industrial Park Road, Triadelphia, WV 26059, to discuss with qualified MSHA [[Page 150]] personnel...


MSHA except pursuant to a written application, in duplicate, accompanied by all drawings, specifications, descriptions, and related materials and also a check, bank draft,...


MSHA except pursuant to a written application, in duplicate, accompanied by all drawings, specifications, descriptions, and related materials and also a check, bank draft,...


or component or subassembly thereof, MSHA will issue to the applicant either a letter of certification or a written notice of disapproval, as the case may require If...


apply to MSHA to issue a letter of certification. To qualify for certification, electrical components shall conform to the prescribed inspection and test requirements and...


shall be identified with a certification plate or label which is attached to the system or component in a manner acceptable to MSHA. The method of attachment shall not...


required material will determine the order of precedence for testing when more than one application is pending. The applicant will be notified of the date on which tests...


shall not disclose principles or patentable features, nor shall it disclose any details of drawings, specifications, or related materials. The conduct of all...


system or component, he shall first obtain MSHA's approval of the change, pursuant to the following procedure: (a) Application shall be made as for an...


system or component, he shall first obtain MSHA's approval of the change, pursuant to the following procedure: (a) Application shall be made as for an...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR27.12] [Page 152] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 27--METHANE-MONITORING SYSTEMS--Table of Contents Subpart A--General Provisions Sec. 27.12 Withdrawal of certification. MSHA reserves the right to rescind for cause any certification issued under this part. ...


equipment that, in its opinion, is constructed of suitable materials, is of good workmanship, is based on sound engineering principles, and is safe for its intended use....


that any machine or equipment, which is controlled by the system, cannot be operated unless the electrical components of the methane-monitoring system are...


constructed for incorporation in or with permissible and approved equipment that is operated in gassy mines and tunnels. (b) A methane detector shall include: (1)...


for incorporation in or with permissible and approved equipment that is operated in gassy mines and tunnels. (b) An automatic warning device shall include an...


for incorporation in or with permissible and approved equipment that is operated in gassy mines and tunnels. (b) The power-shutoff component shall include: ...


components and functions related to safety in operation, which shall include: (a) Examining materials, workmanship, and design to determine conformance with paragraph...


functional performance, and its explosion-proof and other safety characteristics. Since all possible designs, arrangements, or combinations cannot be foreseen, MSHA reserves...


durability. Five hundred successful consecutive tests \2\ for gas detection, alarm action, and power shutoff in natural gas-air mixtures \3\ shall be conducted to...


in the opinion of MSHA, requires explosion-proof construction shall be tested in accordance with the procedures stated in Part 18 of...


for intrinsic safety shall be tested by introducing into the circuit(s) thereof a circuit-interrupting device which produces an [[Page 155]] electric spark...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR27.35] [Page 155] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 27--METHANE-MONITORING SYSTEMS--Table of Contents Subpart C--Test Requirements Sec. 27.35 Tests to determine life of critical components and subassemblies. Replaceable components may be subjected to appropriate life tests at the discretion of MSHA. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR27.36] [Page 155] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 27--METHANE-MONITORING SYSTEMS--Table of Contents Subpart C--Test Requirements Sec. 27.36 Test for adequacy of electrical insulation and clearances. MSHA shall examine, and test in a manner it deems suitable, electrical insulation and clearances between electrical conductors to determine adequacy for the intended service. ...


the filament incandescent at normal operating voltage shall be broken in flammable methane-air or natural gas-air mixtures in a gallery to determine that the safety device...


with a one-inch diameter hemispherical striking surface will be dropped (free fall) to strike the window or lens in its mounting or the equivalent thereof at or near...


durability. Components, subassemblies, or assemblies that are to be mounted on permissible and approved equipment shall be subjected to two separate vibration tests, each...


normal functioning of which might be affected by dust, such as coal or rock dust, shall be tested in an atmosphere containing an average concentration (50 million minus 40...


normal functioning of which might be affected by moisture, shall be tested in atmospheres of high relative humidity (80 percent or more [[Page...


The purpose of the regulations contained in this Part 28 is: (a) To establish procedures and prescribe requirements which must be met in filing applications for the approval...


(a) On and after the effective date of this part, fuses shall be considered to be approved for use with direct current in providing short-circuit protection for...


maintenance of approved fuses. Approved fuses shall be installed and maintained in accordance with the specifications prescribed by the manufacturer of the fuses,...


As used in this part-- (a) Applicant means an individual, partnership, company, corporation, association, or other organization that designs, manufactures,...


(a) Each applicant seeking approval of a fuse for use with direct current in providing short-circuit protection for trailing cables shall arrange...


approval; scope of approval. (a) MSHA shall issue certificates of approval pursuant to the provisions of this subpart only for individual, completely...


approval; contents. (a) Each certificate of approval shall contain a description of the fuse and a classification of its current-interrupting capacity and...


(a) If, upon completion of the evaluation by MSHA conducted in accordance with Sec. 28.10, it is determined that the fuse does not meet the minimum...


markings; approval of contents; use. (a) Approval labels shall bear the emblem of the Mine Safety and Health Administration, an approval number, the restrictions, if...


certificates of approval. MSHA reserves the right to revoke, for cause, any certificate of approval issued pursuant to the provisions of this part. Such causes...


of approved fuses; issuance of modification of certificate of approval. (a) Each applicant may, if he desires to change any feature of an approved fuse, request...


filing requirements. As a part of each application for approval or modification of approval submitted pursuant to this part, each applicant shall file with MSHA...


contents. (a) Each quality control plan shall contain provisions for the management of quality, including: (1) Requirements for the production of quality data and...


plans; approval by MSHA. (a) Each proposed quality control plan submitted in accordance with this subpart shall be reviewed by MSHA to determine its effectiveness...


methods, equipment, and records; review by MSHA; revocation of approval. (a) MSHA reserves the right to have its representatives inspect the applicant's quality control...


Construction and performance requirements; general. (a) MSHA shall issue approvals for fuses for use with direct current in providing short-circuit protection for...


Testing requirements; general. (a) The open circuit voltage of the test circuit shall be 300 volts d.c., or 600 volts d.c., depending on the voltage rating of the...


set forth the requirements for dust collectors used in connection with rock drilling in coal mines to procure their certification as permissible for use in coal mines;...


(a) Permissible, as applied to a dust collector, means that it conforms to the requirements of this part, and that a certificate of approval to that effect has been issued. ...


their representatives may visit Approval and Certification Center, Box 201B Industrial Park Road, Dallas Pike, Triadelphia, W. Va. 26059, and discuss with qualified...


may be granted. (a) Certificates of approval will be granted only for completely assembled dust-collector or combination units; parts or subassemblies will not...


testing will be undertaken by MSHA except pursuant to a written application, in duplicate (except as othewise provided in paragraph (e) of this section), accompanied by a check,...


testing will be undertaken by MSHA except pursuant to a written application, in duplicate (except as othewise provided in paragraph (e) of this section), accompanied by a check,...


of an application will determine the order of precedence for testing when more than one application is pending, and the applicant will be notified of the date on which...


(a) Prior to the issuance of a certificate of approval or performance, necessary government personnel, representatives of the applicant, and...


Manufacturers of dust-collecting systems that are designed for integral use on machines with drilling equipment may apply to MSHA to issue a certificate of performance for...


(a) Upon completion of an investigation, MSHA will issue to the applicant either a certificate or a written notice of disapproval, as they case may require. No informal...


approval will be accompanied by a photograph of a design for an approval plate, bearing the emblem of the Mine Safety and Health [[Page 165]] Administration,...


applicant desires to change any feature of a certified unit or system, he shall first obtain MSHA's approval of the change, pursuant to the following procedure: (a)...


applicant desires to change any feature of a certified unit or system, he shall first obtain MSHA's approval of the change, pursuant to the following procedure: (a)...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR33.13] [Page 166] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 33--DUST COLLECTORS FOR USE IN CONNECTION WITH ROCK DRILLING IN COAL MINES--Table of Contents Subpart A--General Provisions Sec. 33.13 Withdrawal of certification. MSHA reserves the right to rescind for cause, at any time, any certification granted under this part. ...


will not test or investigate any dust collector that in its opinion is not constructed of suitable materials, that evidences faulty workmanship, or that is not designed upon...


For test purposes the unit or system may be modified, such as by attaching instruments or measuring devices, at MSHA's discretion; but such modification shall not alter...


be designed for use in connection with percussion and/or rotary drilling in any combination of the following drilling positions: (1) Vertically upward, (2) upward at angles to...


All parts of a unit that are essential to the dust-collection feature shall be provided with suitable mechanical means for positioning and maintaining such parts properly in relation...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR33.30] [Page 166] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 33--DUST COLLECTORS FOR USE IN CONNECTION WITH ROCK DRILLING IN COAL MINES--Table of Contents Subpart C--Test Requirements Sec. 33.30 Test site. Tests shall be conducted at an appropriate location determined by MSHA. [39 FR 24005, June 28, 1974] ...


conducted in a test space formed by two curtains suspended across a mine opening in such a manner that the volume of the test space shall be approximately 2,000 cubic feet. ...


(a) Concentrations of airborne dust in the test space shall be determined by sampling with a midget impinger apparatus, and a light- field microscopic technique shall be employed...


(a) The concentration of dust determined by the control sample shall be subtracted from the average concentration of dust determined by the test samples collected at each...


of drilling a set of 10 test holes, without undue delay, under specified operating conditions. When the test involves the control of dust from more than one drill, all...


(a) General. All drilling shall be done with conventional, commercial drilling equipment--pneumatic-percussion, hydraulic-rotary, and/or electric-rotary types--in accordance...


Drilling shall be conducted in accordance with the applicant's specifications and operating instructions. If special drill bits or drill steel are required,...


be done in friable strata, similar to the roof in the Bureau's Experimental Mine, which tends to produce large scale-like cuttings. (b) Horizontal drilling:...


and designed to operate as electric face equipment (see definition, Sec. 45.44-1 of this chapter) in gassy coal mines shall meet the requirements of Part 18 of Subchapter D...


hydraulic fluids and concentrates for the production thereof to procure their certification as approved for use in machines and devices that are...


means that the fluid conforms to the requirements of this part, and that a certificate of approval to that effect has been issued. (b) MSHA means the United...


and Certification Center, RR 1, Box 251, Industrial Park Road, Triadelphia, WV 26059, to discuss with qualified MSHA personnel proposed fluids to be submitted in...


of approval will be granted for completely compounded or mixed fluids and not for individual ingredients; except that when a concentrate is submitted for testing,...


pursuant to a written application, in duplicate, accompanied by a check, bank draft, or money order, payable to the U.S. Mine Safety and Health Administration, to cover...


pursuant to a written application, in duplicate, accompanied by a check, bank draft, or money order, payable to the U.S. Mine Safety and Health Administration, to cover...


the order of precedence for testing when more than one application is pending, and the applicant will be notified of the date on which tests will begin. However, not...


a certificate of approval, necessary Government personnel, representatives of the applicant, and such other persons as may be mutually agreed upon, may observe the investigations...


MSHA will issue to the applicant either a certificate of approval or a written notice of disapproval as the case may require. No informal notification of approval will...


a photograph of a design for an approval label or marking, which shall bear the emblem of the Mine Safety and Health Administration and shall be inscribed substantially...


submitted for testing. Any material that MSHA does not require will be returned to the applicant at his expense upon receipt of his written request and shipping...


characteristic of a certified hydraulic fluid, he shall first obtain MSHA's approval of the change, pursuant to the following procedures: (a) Application shall be made,...


characteristic of a certified hydraulic fluid, he shall first obtain MSHA's approval of the change, pursuant to the following procedures: (a) Application shall be made,...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR35.13] [Page 172] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 35--FIRE-RESISTANT HYDRAULIC FLUIDS--Table of Contents Subpart A--General Provisions Sec. 35.13 Withdrawal of certification. MSHA reserves the right to rescind for cause, at any time, any certificate of approval granted under this part. ...


test, referred to hereinafter as the ignition-temperature test, is to determine the lowest autogenous- ignition temperature of a hydraulic fluid at atmospheric pressure when...


test shall be to determine the flammability of a hydraulic fluid when it is sprayed over three different sources of ignition which are described in paragraph (b)(4) of...


of this test shall be to determine the effect of evaporation on the reduction of fire resistance of a hydraulic fluid. (b) Description of apparatus--(1) Petri...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR35.23] [Page 175] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 35--FIRE-RESISTANT HYDRAULIC FLUIDS--Table of Contents Subpart B--Test Requirements Sec. 35.23 Performance required for certification. To qualify as fire-resistant under the regulations of this part, a hydraulic fluid shall meet each performance requirement and stated in Secs. 35.20(d), 35.21(d), and 35.22(d). ...


this part set forth the requirements for mobile diesel-powered transportation equipment to procure their approval and certification as permissible; procedures for applying...


apply in this part. Applicant An individual, partnership, company, corporation, association, or other organization, that designs, manufactures, assembles,...


or their representatives may visit Approval and Certification Center, RR 1, Box 251, Industrial Park Road, Triadelphia, WV 26059, to discuss with qualified MSHA...


for which certificates of approval may be granted. Certificates of approval will be granted for completely assembled...


When a component or subassembly meets all of the applicable requirements of Subparts B and C of this part, and also its normal operation will not be affected by connection to...


or testing will be undertaken by MSHA except pursuant to a written application, in duplicate, accompanied by a check, bank draft, or money order, payable to the U.S....


or testing will be undertaken by MSHA except pursuant to a written application, in duplicate, accompanied by a check, bank draft, or money order, payable to the U.S....


The date for acceptance of an application will determine the order of precedence for testing when more than one application is pending, and the applicant will be notified of the date...


(a) Prior to the issuance of a certificate of approval or a letter of certification, as the case may require, necessary Government personnel,...


(a) Upon completion of investigation of a complete assembly of mobile diesel-powered transportation equipment, MSHA will issue to the applicant either a certificate of approval or...


certificate of approval will be accompanied by a photograph of an approval plate, bearing the emblem of the Mine Safety and Health Administration and spaces for the approval number,...


If an applicant desires to change any feature of certified equipment, he shall first obtain MSHA's approval of the change, pursuant to the following procedure: ...


If an applicant desires to change any feature of certified equipment, he shall first obtain MSHA's approval of the change, pursuant to the following procedure: ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR36.13] [Page 180] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 36--APPROVAL REQUIREMENTS FOR PERMISSIBLE MOBILE DIESEL-POWERED TRANSPORTATION EQUIPMENT--Table of Contents Subpart A--General Provisions Sec. 36.13 Withdrawal of certification. MSHA reserves the right to rescind for cause any certificate of approval granted under this part. ...


design. (a) MSHA will test only equipment that in the opinion of its qualified representatives is constructed of suitable materials, is of good...


certification. Only equipment powered by a compression-ignition (diesel) engine and burning diesel fuel will be considered for approval and certification....


This system shall be so constructed that the quantity of fuel injected can be controlled at a desired maximum value and shall be so arranged that this adjustment can be...


(a) Construction. The intake system (exclusive of the air cleaner) shall be designed to withstand an internal pressure equal to 4 times the maximum pressure observed...


(a) Cylinder head. The joint between the cylinder head and block of the engine shall be fitted with a metal or metal-clad gasket satisfactory to MSHA held securely in position by...


(a) Construction. The exhaust system of the engine shall be designed to withstand an internal pressure equal to 4 times the maximum pressure observed in explosion...


(a) Preliminary engine adjustment. The engine shall be submitted to MSHA by the applicant in such condition that it can be tested immediately at full load and speed....


(a) Fuel tank. (1) The fuel tank shall not leak and shall be fabricated of metal at least \1/16\ inch thick, welded at all seams, except that tanks of 5 gallons or less capacity...


All mobile diesel-powered transportation equipment shall be provided with a bell, horn, or other suitable warning device convenient to the operator. Warning devices shall...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR36.29] [Page 184] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 36--APPROVAL REQUIREMENTS FOR PERMISSIBLE MOBILE DIESEL-POWERED TRANSPORTATION EQUIPMENT--Table of Contents Subpart B--Construction and Design Requirements Sec. 36.29 Brakes. All mobile diesel-powered transportation equipment shall be equipped with adequate brakes acceptable to MSHA. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR36.30] [Page 184] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 36--APPROVAL REQUIREMENTS FOR PERMISSIBLE MOBILE DIESEL-POWERED TRANSPORTATION EQUIPMENT--Table of Contents Subpart B--Construction and Design Requirements Sec. 36.30 Rerailing device. All mobile diesel-powered transportation equipment designed to travel on rails in haulage service shall carry a suitable rerailing device. ...


Each unit of mobile diesel-powered transportation equipment shall be fitted with a fire extinguisher carried in a location easily accessible to the operator and protected by...


systems. (a) Electrical components on mobile diesel-powered transportation equipment shall be certified or approved under Part 18, 20 or 27 of this chapter, as...


(a) Headlights and lighting fixtures on mobile diesel-powered transportation equipment shall be protected from external damage by recessing them in the equipment...


be conducted at MSHA's Diesel Testing Laboratory or other appropriate place(s) determined by MSHA. [39 FR 24006, June 28, 1974, as amended at 43 FR 12318, Mar....


transportation equipment submitted for certification and approval shall be tested to determine its combustion, explosion-proof, and other safety characteristics. MSHA...


shall be made of the equipment and all components and features related to safety in operation. The inspection shall include: (a) Investigating the...


(a) Samples shall be taken to determine the composition of the exhaust gas while the engine is operated at loads and speeds prescribed by MSHA to determine the volume...


(a) When an engine is delivered to MSHA with the fuel-injection system adjusted by the applicant and tests of the exhaust-gas composition (see Sec. 36.43) show not...


(a) Results of the engine tests shall be used to calculate ventilation (cubic feet of air per minute) that shall be supplied by positive air movement when the permissible...


(a) Explosion tests to determine the strength of the intake and exhaust systems to withstand internal explosions and the adequacy of the flame arresters...


(a) The adequacy of the exhaust-gas cooling system and its components shall be determined with the engine operating at the maximum allowable liquid fuel rate and...


components of the cooling system. (a) The surface temperatures of the engine, exhaust cooling system, and other components subject to heating by engine operation shall...


The performance and adequacy of the exhaust-gas dilution system shall be determined in tests of the complete equipment. The engine, at temperature equilibrium, shall...


tank shall be inspected and tested to determine whether: (a) It is fuel-tight, (b) the vent maintains atmospheric pressure within the tank, and (c) the vent and closure restrict...


(1) Any person or organization which represents two or more miners at a coal or other mine for the purposes of the Act, and (2) Representatives authorized by the...


the mine is located the information required by Sec. 40.3 of this part. Concurrently, a copy of this information shall be provided to the operator of the mine by...


to the operators of the affected mines. This information shall be kept current: (1) The name, address, and telephone number of the representative of miners. If...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR40.4] [Page 190] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 40--REPRESENTATIVE OF MINERS--Table of Contents Sec. 40.4 Posting at mine. A copy of the information provided the operator pursuant to Sec. 40.3 of this part shall be posted upon receipt by the operator on the mine bulletin board and maintained in a current status. ...


part shall file a statement with the appropriate District Manager terminating his or her designation. (b) The Mine Safety and Health Administration shall terminate and...


other person who operates, controls, or supervises a coal or other mine or any designated independent contractor performing services or construction at such mine. (b)...


1977 (Pub. L. 91-173, as amended by Pub. L. 95-164), requires each operator of a coal or other mine to file with the Secretary of Labor the name and address of such mine, the...


date of this part, and (2) the opening of a new mine thereafter, the operator of a coal or other mine shall, in writing, notify the appropriate district manager of the...


any change in the information required by Sec. 41.11, the operator of a coal or other mine shall, in writing, notify the appropriate district manager of the Mine Safety and...


Health Administration, in writing, of the legal identity of the operator or any changes thereof within the time required under this part will be considered to be a violation...


Each operator of a coal or other mine shall file notification of legal identity and every change thereof with the appropriate district manager of the Mine Safety and...


The address of record and telephone number required under this part shall be considered the operator's official address and telephone number for purposes of...


Beckley, West Virginia, will charge tuition fees to all persons attending Academy courses, except employees of Federal, State, or local governments, persons attending the...


to the Government for the Academy to conduct the course, as determined by the Superintendent of the Academy. (b) The tuition fee for each course will be stated in the...


applicants shall submit a check or money order to the Academy, payable to the ``Mine Safety and Health Administration'' in the amount indicated by the course...


of tuition fees provided that written notification to the Academy's Student Services Branch is mailed no later than 14 days before the...


all persons staying at the Academy, except MSHA personnel, persons attending the Academy under a program supported through an MSHA State grant, and persons performing a...


Mine Safety and Health Act of 1977, Pub. L. 91-173, as amended by Pub. L. 95-164, and ``Secretary'' means the Secretary of Labor or...


miners, or where there is no such representative, a miner, who has reasonable grounds to believe that a violation of the act or a mandatory health or safety...


for giving notice to the Secretary under section 103(g)(1) of the Act, for responding to such notices and for reviewing refusals by authorized representatives of...


miners or, where there is no such representative, a miner, who has reasonable grounds to believe that a violation of the act or a mandatory health or safety standard...


receipt of a notice of alleged violation or imminent danger under this subpart, the Secretary or his authorized representative shall make a special inspection to determine...


a special inspection is not warranted, a written notice of negative finding shall be issued as soon as possible following such determination. (b) If it is determined that...


premises. (a) A representative of miners or, where there is no such representative, a miner, who has reason to believe that a violation of the Act or a...


A person to whom a notice of negative finding has been issued pursuant to Sec. 43.6 of this part may request informal review of such finding in accordance with the provisions...


and rules of practice set forth in this part shall govern petitions for modification of mandatory safety standards filed under section 101(c) of the Act. (b)...


the context clearly requires otherwise, the term-- (a) Act means the Federal Mine Safety and Health Act of 1977, Pub. L. 91-173, as amended by Pub. L. 95-164. ...


this part shall include the Mine Safety and Health Administration, the operator of the mine, and any representative of the miners in the affected mine. Any...


(a) A petition for modification of application of a mandatory safety standard may be granted upon a determination that-- (1) An alternative method...


(a) Every final action granting a petition for modification under this part shall be published in the Federal Register. Every such final action published shall specify...


in any proceeding described in this part and copies of all notices pertinent to such proceeding shall be served by the filing party on all other persons made parties to...


petition, request for hearing, notice of appeal, or other document shall be considered to be filed when received, or when mailed by certified mail, return receipt requested....


no ex parte communication with respect to the merits of any case not concluded between the Assistant Secretary or the administrative law judge, including any employee or agent of...


mine for which there is no representative of miners shall post a copy of each petition concerning the mine on the mine bulletin board and shall maintain the posting until a ruling on...


A petition for modification of the application of a mandatory safety standard under section 101(c) of the Act may be filed only by the operator of the affected mine...


(a) A petition for modification filed pursuant to Sec. 44.10 shall contain: (1) The name and address of the petitioner. (2) The mailing address and mine...


of petition received. (a) Within 15 days from the filing of a petition for modification, the Mine Safety and Health Administration will [[Page...


(a) Upon receipt of a petition for modification, the Mine Safety and Health Administration shall cause an investigation to be made as to the merits of the petition. Any party...


A request for hearing filed in accordance with Sec. 44.13 of this part must be filed within 30 days after service of the proposed decision and shall include: (a) A...


Judge. Upon receipt of a request for hearing as provided in Sec. 44.14 of this part, the Administrator shall, within 5 days, refer to the Chief Administrative...


relief to give effect to the proposed decision and order. (a) Time for filing. An application for temporary relief from enforcement of a mandatory standard may be...


Within 5 days after receipt of a referral of a request for hearing in a petition for modification proceeding, the Chief Administrative Law Judge shall designate...


to file. After a petition has been referred to the Office of the Chief Administrative Law Judge, the parties will be notified of the name and address of the administrative law...


(a) Powers. An administrative law judge designated to preside over a hearing shall have all powers necessary or appropriate to conduct a fair, full, and impartial...


conference. Upon his own motion or the motion of a party, the administrative law judge may direct the parties or their counsel to meet with him for a conference to consider: ...


in their conduct of discovery by appropriate provisions of the Federal Rules of Civil Procedure, except as provided in Sec. 44.25 of this part. After consultation with...


unavailability or for purpose of discovery, the testimony of any witness may be taken by deposition. (b) Form. Depositions may be taken before any person having the...


provided in paragraph (b) of this section, the Chief Administrative Law Judge or the presiding administrative law judge, as appropriate, shall issue subpoenas upon...


(a) General. At any time after a request for hearing is filed in accordance with Sec. 44.14, a reasonable opportunity may be afforded to permit negotiation by the parties of...


judge shall fix a place and date for the hearing and notify all parties at least 30 days in advance of the date set, unless at least one party requests and all parties...


in writing and shall contain a short and plain statement of the grounds upon which it is based. A statement in opposition to the motion may be filed by any party within 10 days...


proceeding. Except as may be ordered otherwise by the administrative law judge, the petitioner shall proceed first at a hearing. (b) Burden of proof. The petitioner shall...


After consultation with the parties, the administrative law judge may prescribe a time period of 30 days within which each party may file proposed findings of...


after the time allowed for the filing of proposed findings of fact and conclusions of law, the administrative law judge shall make and serve upon each party a decision, which...


appeal. Any party may appeal from the initial decision of the administrative law judge by filing with the Assistant Secretary a notice of appeal within 30 days after service of...


filed, the administrative law judge shall, as soon thereafter as is practicable, transmit the record of the proceeding to the Assistant Secretary for review. The record...


Appeals from a decision rendered pursuant to Sec. 44.32 of this part shall be decided by the Assistant Secretary within 120 days after the time for filing responding statements...


(a) Any party may, at least 20 days before the date fixed for any hearing under Subpart C of this part, move with or without supporting affidavits for a summary decision on all or...


issue of material fact. (1) Where no genuine issue of a material fact is found to have been raised, the administrative law judge may issue an initial decision to become final...


Except as provided in Sec. 44.14(c), a proposed decision and order of an Administrator is not operative pending appeal to an administrative law judge, and a decision...


Only a decision by the Assistant Secretary shall be deemed final agency action for purposes of judicial review. A decision by an Administrator or administrative law...


(a) Petition for revocation. Any party to a proceeding under this part in which a petition for modification of a mandatory safety standard was granted by an...


(a) The Administrator may propose to revise the terms and conditions of a granted modification by issuing an amended proposed decision and order, along with a statement of reasons...


and procedures for service of documents upon independent contractors. Production-operators are required to maintain certain information for each independent contractor at...


(b) District Manager means the District Manager of the Mine Safety and Health Administration District in which the independent contractor is located; ...


an independent contractor shall submit to the District Manager in writing the following information: (1) The trade name and business address of the...


(1) The independent contractor's trade name, business address and business telephone number; (2) A description of the nature of the work to be performed by the...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR45.5] [Page 209] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 45--INDEPENDENT CONTRACTORS--Table of Contents Sec. 45.5 Service of documents; independent contractors. Service of citations, orders and other documents upon independent contractors shall be completed upon delivery to the independent contractor or mailing to the independent contractor's address of record. ...


official address and telephone number for purposes of the Act. Service of documents upon independent contractors may be proved by a Post Office return...


The provisions of this part set forth the mandatory requirements for training and retraining miners and other persons at shell dredging, sand, gravel, surface stone,...


The following definitions apply in this part: (a) Act means the Federal Mine Safety and Health Act of 1977. (b) Competent person means a person designated...


(a) You must develop and implement a written plan, approved by us under either paragraph (b) or (c) of this section, that contains effective programs...


implementation. (a) You must ensure that each program, course of instruction, or training session is: (1) Conducted in accordance with the written...


training. (a) Except as provided in paragraphs (f) and (g) of this section, you must provide each new miner with no less than 24 hours of training as prescribed...


experienced miner training. (a) Except as provided in paragraph (f) of this section, you must provide each newly hired experienced miner with training as...


(a) You must provide any miner who is reassigned to a new task in which he or she has no previous work experience with training in the health and safety...


training. (a) You must provide each miner with no less than 8 hours of annual refresher training-- (1) No later than 12 months after the miner begins work...


training. (a) You must record and certify on MSHA Form 5000-23, or on a form that contains the information listed in paragraph (b) of this section, that each...


training. (a) Training must be conducted during normal working hours. Persons required to receive training must be paid at a rate of pay that corresponds to...


Site-specific hazard awareness training. (a) You must provide site-specific hazard awareness training before any person specified under this section is exposed to...


independent contractor training. (a)(1) Each production-operator has primary responsibility for ensuring that site-specific hazard awareness training is given...


this part is to reduce injuries and illnesses by ensuring that each operator-- (a) Identifies the chemicals at the mine, (b) Determines which chemicals...


part applies to any operator producing or using a hazardous chemical to which a miner can be exposed under normal conditions of use or in a foreseeable emergency. (Subpart J of...


in this part as follows: Table 47.11--Definitions ------------------------------------------------------------------------ Term...


on mine property and each chemical produced on mine property to determine if it is hazardous as specified in Table 47.21 as follows: ...


implement a written HazCom program, (b) Maintain it for as long as a hazardous chemical is known to be at the mine, and (c) Share relevant HazCom information with...


(a) How this part is put into practice at the mine through the use of-- (1) Hazard determination, (2) Labels and other forms of warning, (3) Material safety data...


each container of a hazardous chemical has a label. If a container is tagged or marked with the appropriate information, it is labeled. (1) The operator must replace...


(a) Be prominently displayed, legible, accurate, and in English; (b) Display appropriate hazard warnings; (c) Use a chemical identity that permits...


batch tickets, operating procedures, or other label alternatives for individual, stationary process containers, provided that the alternative-- (a) Identifies...


a temporary, portable container if he or she ensures that the miner using the portable container-- (1) Knows the identity of the chemical, its hazards, and...


which they produce or use. The MSDS may be in any medium, such as paper or electronic, that does not restrict availability. (a) For each hazardous...


produced at the mine, the MSDS must-- (a) Be legible, accurate, and in English; (b) Use a chemical identity that permits cross-referencing between the list...


the operator must provide potentially exposed miners and designated representatives access to available information for the hazardous waste that-- (a) Identifies...


during each work shift for each hazardous chemical to which they may be exposed either-- (a) At each work area where the hazardous chemical is produced or used, or ...


long as the hazardous chemical is known to be at the mine, and (b) Notify miners at least 3 months before disposing of the MSDS. Subpart...


to all HazCom materials required by this part to miners and designated representatives, except as provided in Sec. 47.81 through Sec. 47.87 (provisions for...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR47.72] [Page 224] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 47--HAZARD COMMUNICATION (HazCom)--Table of Contents Subpart H--Making HazCom Information Available Sec. 47.72 Cost for copies. (a) The operator must provide the first copy and each revision of the HazCom material without cost. (b) Fees for a subsequent copy of the HazCom material must be non- discriminatory and reasonable. ...


the mine, the operator must provide customers, upon request, with the chemical's label or a copy of the label information, and the...


identity of a trade secret chemical, including the name and other specific identification, from the written list of hazardous chemicals, the label, and the MSDS, provided that...


claim, the operator must disclose to MSHA, upon request, any information which this subpart requires the operator to make available. (b) The operator must make a...


the existence of a written statement of need or a confidentiality agreement, [[Page 225]] the operator must immediately disclose the identity of a trade...


of a trade secret chemical in a non-emergency situation to an exposed miner, the miner's designated representative, or a health professional providing services to the...


by Sec. 47.84-- (1) May restrict the use of the trade secret chemical identity to the health purposes indicated in the written statement of need; (2) May...


disclosure of the identity of a trade secret chemical, the operator must-- (a) Put the denial in writing, (1) Including evidence to substantiate the claim that...


refer the written denial to MSHA for review. The request for review must include a copy of-- (1) The request for disclosure of the identity of the trade...


under the conditions described in Table 47.91 as follows: Table 47.91--Chemicals and Products Exempt from this...


under the conditions described in Table 47.92 as follows: Table 47.92--Hazardous Chemicals Exempt...


for submitting and obtaining approval of programs for training and retraining miners working in underground mines. Requirements regarding compensation for...


(a)(1) Miner means, for purposes of Secs. 48.3 through 48.10 of this subpart A, any person working in an underground mine and who is engaged in the extraction and production process,...


for approval; method for disapproval; commencement of training; approval of instructors. (a) Each operator of an underground mine shall have an MSHA...


own training programs, or may participate in training programs conducted by MSHA, or may participate in MSHA approved training programs conducted by State or other...


(a) Each new miner shall receive no less than 40 hours of training as prescribed in this section before such miner is assigned to work duties. Such training shall...


this section applies to experienced miners who are-- (1) Newly employed by the operator; (2) Transferred to the mine; (3) Experienced underground...


courses of instruction. (a) Miners assigned to new work tasks as mobile equipment operators, drilling machine operators, haulage and conveyor systems...


instruction. (a) Each miner shall receive a minimum of 8 hours of annual refresher training as prescribed in this section. [[Page 235]] (b) The...


approved training program, the operator shall record and certify on MSHA form 5000-23 that the miner has received the specified training. A copy of the training...


normal working hours; miners attending such training shall receive the rate of pay as provided in Sec. 48.2(d) (Definition of normal working hours) of this subpart A. (b)...


defined in Sec. 48.2(a)(2) (Definition of miner) of this subpart A, a training program before such miners commence their work duties. This training program shall include...


have the right of appeal from a decision of the District Manager. (a) In the event an operator, miner, or miners' representative decides to appeal a decision by...


The provisions of this subpart B set forth the mandatory requirements for submitting and obtaining approval of programs for training and retraining miners working...


For the purposes of this subpart B-- (a)(1) Miner means, for purposes of Secs. 48.23 through 48.30 of this subpart B, any person working in a surface mine...


time of submission; where filed; information required; time for approval; method for disapproval; commencement of training; approval of instructors. ...


program. (a) An operator of a mine may conduct his own training programs, or may participate in training programs conducted by MSHA, or may participate in...


new miners; minimum courses of instruction; hours of instruction. (a) Each new miner shall receive no less than 24 hours of training as prescribed in this section....


training. (a) Except as provided in paragraph (e), this section applies to experienced miners who are-- (1) Newly employed by the operator; ...


miners assigned to a task in which they have had no previous experience; minimum courses of instruction. (a) Miners assigned to new work tasks as mobile equipment...


training of miners; minimum courses of instruction; hours of instruction. (a) Each miner shall receive a mimimum of 8 hours of annual refresher training...


training. (a) Upon a miner's completion of each MSHA approved training program, the operator shall record and certify on MSHA form 5000-23 that the miner has received...


training. (a) Training shall be conducted during normal working hours; miners attending such training shall receive the rate of pay as provided in Sec....


(a) Operators shall provide to those miners, as defined in Sec. 48.22(a) (2) (Definition of miner) of this subpart B, a training program before such...


The operator, miner, and miners' representative shall have the right of appeal from a decision of the District Manager. (a) In the event an operator,...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR49.1] [Page 246] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 49--MINE RESCUE TEAMS--Table of Contents Sec. 49.1 Purpose and scope. This part implements the provisions of Section 115(e) of the Federal Mine Safety and Health Act of 1977. Every operator of an underground mine shall assure the availability of mine rescue capability for purposes of emergency rescue and recovery. ...


special mining conditions (Sec. 49.4), every operator of an underground mine shall: (1) Establish at least two mine rescue teams which are available at all times...


rescue capability. For the purposes of this part only, consideration for small and remote shall be given where the total underground employment of the operator's mine...


may provide an alternative mine rescue capability. (b) An application for alternative mine rescue capability shall be submitted to the District Manager for the district...


the mine rescue station serving the mine. (b) Mine rescue stations are to provide a centralized storage location for rescue equipment. This centralized storage...


breathing apparatus, each with a minimum of 2 hours capacity (approved by MSHA and NIOSH under 42 CFR part 84, subpart H), and any necessary equipment for testing...


person is physically fit to perform mine rescue and recovery work for prolonged periods under strenuous conditions. The first such physical examination shall be completed...


instruction as prescribed by MSHA's Office of Educational Policy and Development, in the use, care, and maintenance of the type of breathing apparatus which will be used by the...


mine rescue teams when there is an emergency that requires their services. (b) A copy of the mine rescue notification plan shall be posted at the mine for the...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR49.10] [Page 251] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 49--MINE RESCUE TEAMS--Table of Contents Sec. 49.10 Effective date. All provisions and requirements of this part shall become effective on July 11, 1981. [[Page 252]] ...


Purpose and scope. This part 50 implements sections 103(e) and 111 of the Federal Coal Mine Health and Safety Act of 1969, 30 U.S.C. 801 et seq., and sections 4 and...


As used in this part: (a) Mine means: (1) An area of land from which minerals are extracted in nonliquid form or, if in liquid form, are extracted...


50.10 Immediate notification. If an accident occurs, an operator shall immediately contact the MSHA [[Page 254]] District or...


50.11 Investigation. (a) After notification of an accident by an operator, the MSHA District or Subdistrict Manager will promptly decide whether to conduct...


50.12 Preservation of evidence. Unless granted permission by a MSHA District Manager or Subdistrict Manager, no operator may alter an accident site or an...


50.20 Preparation and submission of MSHA Report Form 7000-1--Mine Accident, Injury, and Illness Report. (a) Each operator shall maintain at the mine office...


50.20-1 General instructions for completing MSHA Form 7000-1. Each Form 7000-1 consists of four sheets, an original and three copies. The original form shall...


50.20-2 Criteria--``Transfer to another job.'' ``Transfer to another job'' means transfers, either temporary, or permanent, which are occasioned by a...


50.20-3 Criteria--Differences between medical treatment and first aid. (a) Medical treatment includes, but is not limited to, the suturing of any...


50.20-4 Criteria--MSHA Form 7000-1, Section A. (a) MSHA I.D. number. Enter the seven digit number assigned to the mine operation by MSHA. If the number is...


50.20-5 Criteria--MSHA Form 7000-1, Section B. (a) This section shall be completed for all accidents immediately reported to MSHA as defined in Sec. 50.10....


50.20-6 Criteria--MSHA Form 7000-1, Section C. (a) Complete items 5 through 12 for each accident, occupational injury, or occupational illness. (1)...


50.20-7 Criteria--MSHA Form 7000-1, Section D. This section requires information concerning the miner's return to duty. (a) Item 28....


50.30 Preparation and submission of MSHA Form 7000-2--Quarterly Employment and Coal Production Report. (a) Each operator of a mine in which an individual worked...


50.30-1 General instructions for completing MSHA Form 7000-2. (a) MSHA I.D. Number is the 7-digit number assigned to the mine operation by MSHA. Any...


50.40 Maintenance of records. (a) Each operator of a mine shall maintain a copy of each investigation report required to be prepared under Sec. 50.11 at...


50.41 Verification of reports. Upon request by MSHA, an operator shall allow MSHA to inspect and copy information related to an accident, injury or illnesses...


and health standards for each surface metal or nonmetal mine, including open pit mines, subject to the Federal Mine Safety and Health Act of 1977. The purpose of...


part, except in any subpart preceded by a separate set of definitions: American Table of Distances means the current edition of ``The American Table of Distances for Storage...


mines. The owner, operator, or person in charge of any metal and nonmetal mine shall notify the nearest Mine Safety and Health Administration and Metal and Nonmetal...


Source: 51 FR 36197, Oct. 8, 1986, unless otherwise noted. The following definitions apply in this subpart. Rock fixture. Any tensioned or nontensioned device...


be used that will maintain wall, bank, and slope stability in places where persons work or travel in performing their assigned tasks. When benching is necessary, the width...


work or travel in performing their assigned tasks, loose or unconsolidated material shall be sloped to the angle of repose or stripped back for at least 10 feet from the top...


that create a hazard to persons shall be taken down or supported before other work or travel is permitted in the affected area. Until corrective work is completed, the...


performed from a location which will not expose persons to injury from falling material, or other protection from falling material shall...


scaling bar shall be provided. This bar shall be of a length and design that will allow the removal of loose material without exposing the person performing this work...


addressed in ASTM F432-95, ``Standard Specification for Roof and Rock Bolts and Accessories,'' the mine operator shall-- (1) Obtain a manufacturer's certification...


material to be broken, other than hanging material, shall be positioned or blocked to prevent movement which would endanger persons in the work area....


in examining and testing for loose ground shall be designated by the mine operator. Appropriate supervisors or other designated persons shall examine and, where applicable,...


bank. Persons shall not work or travel between machinery or equipment and the highwall or bank where the machinery or equipment may hinder escape from falls or slides...


Mine Safety and Health Act of 1977, Pub. L. 91-173, as amended by Pub. L. 95-164, 91 Stat. 1291 (30 U.S.C. 811). The following definitions apply in...


circuits shall be deenergized and isolated so that they cannot become energized inadvertently. ...


smoke or use an open flame where flammable or combustible liquids, including greases, or flammable gases are-- (a) Used or transported in a manner that could create a...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.4101] [Page 272] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 56.4101 Warning signs. Readily visible signs prohibiting smoking and open flames shall be posted where a fire or explosion hazard exists. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.4102] [Page 272] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 56.4102 Spillage and leakage. Flammable or combustible liquid spillage or leakage shall be removed in a timely manner or controlled to prevent a fire hazard. ...


Internal combustion engines shall be switched off before refueling if the fuel tanks are integral parts of the equipment. This standard does not apply to...


liquids, shall not accumulate in quantities that could create a fire hazard. (b) Until disposed of properly, waste or rags containing flammable or combustible...


(a) If a hazard to persons could be created, no combustible materials shall be stored or allowed to accumulate within 25 feet of the following: (1)...


that could endanger persons, each mine shall have-- (1) Onsite firefighting equipment for fighting fires in their early stages; and (2) Onsite...


be inspected according to the following schedules: (1) Fire extinguishers shall be inspected visually at least once a month to determine that they are fully charged...


part of the mine's firefighting system, the hydrants shall be provided with-- (a) Uniform fittings or readily available adapters for onsite firefighting equipment; ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.4203] [Page 274] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 56.4203 Extinguisher recharging or replacement. Fire extinguishers shall be recharged or replaced with a fully charged extinguisher promptly after any discharge. ...


fire or its effects could impede escape from self- propelled equipment, a fire extinguisher shall be on the equipment. (2) Whenever a fire or its effects would not impede...


(a) Mine operators shall establish emergency firefighting, evacuation, and rescue procedures. These procedures shall be coordinated in advance with available...


shall be held at least once every six months for persons assigned firefighting responsibilities by the mine operator. Flammable and...


not be used for cleaning. (b) Solvents shall not be used near an open flame or other ignition source, near any source of heat, or in an atmosphere that can elevate...


or combustible liquid storage tanks shall be securely mounted on firm foundations. Piping shall be provided with flexible connections or other special fittings...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.4402] [Page 274] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 56.4402 Safety can use. Small quantities of flammable liquids drawn from storage shall be kept in safety cans labeled to indicate the contents. ...


for flammable or combustible liquids shall be-- (1) Capable of withstanding working pressures and stresses and compatible with the type of liquid stored; (2) Maintained...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.4500] [Page 275] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 56.4500 Heat sources. Heat sources capable of producing combustion shall be separated from combustible materials if a fire hazard could be created. ...


valves capable of stopping the flow of fuel at the source and shall be located and maintained to minimize fire hazards. This standard does not apply to fuel lines...


shall be ventilated with a sufficient volume of air to prevent the accumulation of hydrogen gas. (b) Smoking, use of open flames, or other activities that...


confined areas where evacuation would be restricted in the event of a fire resulting from belt-slippage shall be equipped with a detection system capable of automatically...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.4530] [Page 275] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 56.4530 Exits. Buildings or structures in which persons work shall have a sufficient number of exits to permit prompt escape in case of fire. ...


rooms. (a) Storage buildings or storage rooms in which flammable or combustible liquids, including grease, are stored and that are within 100 feet of any person's...


cutting, soldering, thawing, or bending-- (1) With an electric arc or with an open flame where an electrically conductive extinguishing agent could create an...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.4601] [Page 276] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 56.4601 Oxygen cylinder storage. Oxygen cylinders shall not be stored in rooms or areas used or designated for storage of flammable or combustible liquids, including grease. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.4602] [Page 276] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 56.4602 Gauges and regulators. Gauges and regulators used with oxygen or acetylene cylinders shall be kept clean and free of oil and grease. ...


of gases from hoses and torches attached to oxygen and acetylene cylinders or to manifold systems, cylinder or manifold system valves shall be closed when-- (a)...


Before welding, cutting, or applying heat with an open flame to pipelines or containers that have contained flammable or combustible liquids, flammable gases, or explosive solids,...


Air Quality Except as permitted by Sec. 56.5005-- (a) Except as provided in paragraph (b) of this section, the exposure...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.5002] [Page 277] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart D--Air Quality and Physical Agents Sec. 56.5002 Exposure monitoring. Dust, gas, mist, and fume surveys shall be conducted as frequently as necessary to determine the adequacy of control measures. ...


Control of employee exposure to harmful airborne contaminants shall be, insofar as feasible, by prevention of contamination, removal by exhaust ventilation, or by dilution...


chemical substances shall not be used or stored except by competent persons under laboratory conditions approved by a nationally recognized agency acceptable to...


unless otherwise noted. The following definitions apply in this subpart. Attended. Presence of an individual or continuous monitoring to prevent...


shall not be stored in the same magazine with other explosive material. (b) When stored in the same magazine, blasting agents shall be separated from explosives,...


(a) Areas surrounding storage facilities for explosive material shall be clear of rubbish, brush, dry grass, and trees for 25 feet in all directions, except that live trees 10...


shall be-- (1) Stored in a manner to facilitate use of oldest stocks first; (2) Stored according to brand and grade in such a manner as to...


and explosives shall be stored in magazines. (b) Packaged blasting agents shall be stored in a magazine or other facility which is ventilated to prevent dampness...


(a) Storage facilities for any explosive material shall be-- (1) Located so that the forces generated by a storage facility explosion will not create a hazard to occupants in...


(1) Structurally sound; (2) Noncombustible or the exterior covered with fire-resistant material; (3) Bullet resistant; (4) Made of nonsparking material on...


be-- (1) Structurally sound, weather-resistant, equipped with a lid or cover, and with only nonsparking material on the inside; (2) Posted with the appropriate...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6200] [Page 281] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6200 Delivery to storage or blast site areas. Explosive material shall be transported without undue delay to the storage area or blast site. ...


Detonators shall not be transported on the same vehicle or conveyance with other explosives except as follows: (a) Detonators in quantities of more than 1000 may be transported...


shall be-- (1) Maintained in good condition and shall comply with the requirements of subpart M of this part; (2) Equipped with sides and enclosures higher than...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6203] [Page 282] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6203 Locomotives. Explosive material shall not be transported on a locomotive. When explosive material is hauled by trolley locomotive, covered, electrically insulated cars shall be used. ...


hoist conveyances, the hoist operator shall be notified. (b) Explosive material transported in hoist conveyances shall be placed within a container which...


shall be used to carry explosives and detonators to and from blast sites. Separate containers shall be used for explosives and detonators. ...


and experienced in the handling and use of explosive material shall direct blasting operations and related activities. (b) Trainees and inexperienced persons shall...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6301] [Page 282] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6301 Blasthole obstruction check. Before loading, blastholes shall be checked and, wherever possible, cleared of obstructions. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6302] [Page 282] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6302 Separation of explosive material. Explosives and blasting agents shall be kept separated from detonators until loading begins. ...


up only at the time of use and as close to the blast site as conditions allow. (b) Primers shall be prepared with the detonator contained securely and completely within...


directly on a primer. (b) Rigid cartridges of explosives or blasting agents that are 4 inches (100 millimeters) in diameter or larger shall not be dropped on the primer...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6305] [Page 282-283] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6305 Unused explosive material. Unused explosive material shall be moved to a protected location as soon [[Page 283]] as practical after loading operations are completed. ...


or initiating systems are brought to the blast site, the blast site shall be attended; barricaded and posted with warning signs, such as ``Danger,'' ``Explosives,''...


be loaded into blastholes with drill stem equipment or other devices that could be extracted while containing explosive material. The use of loading hose, collar sleeves, or...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6308] [Page 283] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6308 Initiation systems. Initiation systems shall be used in accordance with the manufacturer's instructions. ...


with flash points lower than that of No. 2 diesel oil (125 [deg]F) shall not be used to prepare ammonium nitrate-fuel oil, except that diesel fuels with flash points...


shall not enter the blast area- - (a) For 30 minutes if safety fuse and blasting caps are used; or (b) For 15 minutes if any other type detonators...


be examined for misfires after each blasting operation. (b) Only work necessary to remove a misfire and protect the safety of miners engaged in the removal shall...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6312] [Page 284] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6312 Secondary blasting. Secondary blasts fired at the same time in the same work area shall be initiated from one source. Electric Blasting ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6400] [Page 284] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6400 Compatibility of electric detonators. All electric detonators to be fired in a round shall be from the same manufacturer and shall have similar electrical firing characteristics. ...


detonators shall be kept shunted until connected to the blasting line or wired into a blasting round; (b) Wired rounds shall be kept shunted until connected to...


circuits within 50 feet of electric detonators at the blast site shall be deenergized. Such circuits need not be deenergized between 25 to 50 feet of the...


use of branch circuits, each branch shall be equipped with a safety switch or equivalent method to isolate the circuits to be used. (b) At least one safety switch...


(a) Switches used to connect the power source to a blasting circuit shall be locked in the open position except when closed to fire the blast. (b) Lead wires shall not...


delivering sufficient current to energize all electric detonators to be fired with the type of circuits used. Storage or dry cell batteries are not permitted as...


connected in parallel and is to be initiated from powerlines or lighting circuits, the time of current flow shall be limited to a maximum of 25 milliseconds. This can...


instrument designed for testing blasting circuits shall be used to test each of the following: (a) Continuity of each electric detonator in the blasthole prior to stemming...


the completed circuit shall be made to ensure that the components are properly aligned and connected. Safety fuse, igniter cord, detonating cord, shock or gas tubing, and...


initiation system uses shock tube-- (1) Connections with other initiation devices shall be secured in a manner which provides for uninterrupted propagation; ...


safety fuse to be used shall be measured, posted in locations which will be conspicuous to safety fuse users, and brought to the attention of all persons involved with...


suspected in an area where electric detonators are used, loading shall be suspended until tests determine that stray current does not exceed 0.05 amperes through a 1-ohm...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6601] [Page 285] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6601 Grounding. Electric blasting circuits, including powerline sources when used, shall not be grounded. [[Page 286]] ...


When explosive material is loaded pneumatically into a blasthole in a manner that generates a static electricity hazard-- (a) An evaluation of the potential static electricity...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6603] [Page 286] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6603 Air gap. At least a 15-foot air gap shall be provided between the blasting circuit and the electric power source. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6604] [Page 286] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6604 Precautions during storms. During the approach and progress of an electrical storm, blasting operations shall be suspended and persons withdrawn from the blast area or to a safe location. ...


lines shall be isolated and insulated from power conductors, pipelines, and railroad tracks, and shall be protected from sources of stray or static electricity....


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6700] [Page 286] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6700 Nonsparking tools. Only nonsparking tools shall be used to open containers of explosive material or to punch holes in explosive cartridges. ...


loading poles shall be of wood or other nonconductive, nonsparking material. Couplings for poles shall be nonsparking. ...


a spark or flame is to be performed on a storage facility-- (a) The explosive material shall be moved to another facility, or moved at least 50 feet from the...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6801] [Page 286] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6801 Vehicle repair. Vehicles containing explosive material and oxidizers shall not be taken into a repair garage or shop. ...


be performed on a bulk delivery vehicle until the vehicle has been washed down and all explosive material has been removed. Before welding or cutting on a hollow shaft, the...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6803] [Page 286] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6803 Blasting lines. Permanent blasting lines shall be properly supported. All blasting lines shall be insulated and kept in good repair. General Requirements ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.6900] [Page 286] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 56.6900 Damaged or deteriorated explosive material. Damaged or deteriorated explosive material shall be disposed of in a safe manner in accordance with the instructions of the manufacturer. ...


for blasting only when a desired result cannot be obtained with another type of explosive, such as in quarrying certain types of dimension stone. [[Page 287]] ...


premature detonation, explosive material shall not be loaded into hot areas, such as kilns or sprung holes. (b) When blasting sulfide ores where hot holes occur that may...


suspected of burning at the blast site, persons shall be evacuated from the endangered area and shall not return for at least one hour after the burning or suspected burning...


flames shall not be permitted within 50 feet of explosive material except when separated by permanent noncombustible barriers. This standard does not apply to devices designed...


shall be protected from temperatures in excess of 150 degrees Fahrenheit. (b) Explosive material shall be protected from impact, except for tamping and dropping...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7002] [Page 287] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7002 Equipment defects. Drilling Equipment defects affecting safety shall be corrected before the equipment is used. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7003] [Page 287] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7003 Drill area inspection. The drilling area shall be inspected for hazards before starting the drilling operations. ...


a mast while the drill-bit is in operation unless they are provided with a safe platform from which to work and they are required to use safety belts to...


others shall stay clear of augers or drill stems that are in motion. Persons shall not pass under or step over a moving stem or...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7008] [Page 288] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7008 Moving the drill. When a drill is being moved from one drilling area to another, drill steel, tools, and other equipment shall be secured and the mast placed in a safe position. ...


the drill operator during movement of a drill to a new location, the helper shall be in sight of, or in communication with, the operator at...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7010] [Page 288] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7010 Power failures. In the event of power failure, drill controls shall be placed in the neutral position until power is restored. ...


stem shall be resting on the bottom of the hole or on the platform with the stem secured to the mast before attempts are made to straighten a crossed cable on...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7012] [Page 288] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7012 Tending drills in operation. While in operation, drills shall be attended at all times. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7013] [Page 288] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7013 Covering or guarding drill holes. Drill holes large enough to constitute a hazard shall be covered or guarded. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7018] [Page 288] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7018 Hand clearance. Persons shall not hold the drill steel while collaring holes, or rest their hands on the chuck or centralizer while drilling. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7050] [Page 288] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7050 Tool and drill steel racks. Receptacles or racks shall be provided for drill steel and tools stored or carried on drills. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7051] [Page 288] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7051 Loose objects on the mast or drill platform. To prevent injury to personnel, tools and other objects shall not be left loose on the mast or drill platform. ...


drill from-- (a) Positions which hinder their access to the control levers; (b) Insecure footing or insecure staging; or (c) Atop equipment not suitable...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7053] [Page 288] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7053 Moving hand-held drills. Before hand-held drills are moved from one working area to another, air shall be turned off and bled from the hose. ...


drilled where there is a danger of intersecting a misfired hole or a hole containing explosives blasting agents, or detonators. [56 FR 46508, Sept....


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7056] [Page 288] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7056 Collaring in bootlegs. Holes shall not be collared in bootlegs. [56 FR 46508, Sept. 12, 1991] Rotary Jet Piercing ...


provided with-- (a) A system to pressurize the equipment operator's cab, when a cab is provided; and (b) A protective cover over the oxygen...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7802] [Page 288] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7802 Oxygen hose lines. Safety chains or other suitable locking devices shall be provided across connections to and between high pressure oxygen hose lines of 1- inch inside diameter or larger. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7803] [Page 288] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7803 Lighting the burner. A suitable means of protection shall be provided for the employee when lighting the burner. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7804] [Page 288] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7804 Refueling. When rotary jet piercing equipment requires refueling at locations other than fueling stations, a system for fueling without spillage shall be provided. ...


not smoke and open flames shall not be used in the vicinity of the oxygen storage and supply lines. Signs warning against smoking and open flames shall be posted in...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.7806] [Page 289] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 56.7806 Oxygen intake coupling. The oxygen intake coupling on jet-piercing drills shall be constructed so that only the oxygen hose can be coupled to it. ...


combustion chamber of a jet drill stem which has been sitting unoperated in a drill hole shall be flushed with a suitable solvent after the stem is pulled up. Subpart...


1988, unless otherwise noted. The following definitions apply in this subpart: Berm. A pile or mound of material along an elevated roadway capable of...


movement of self-propelled mobile equipment- - (a) Rules governing speed, right-of-way, direction of movement, and the use of headlights to assure appropriate visibility,...


Operators of self-propelled mobile equipment shall maintain control of the equipment while it is in motion. Operating speeds shall be consistent with conditions of roadways,...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.9102] [Page 289] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 56.9102 Movement of independently operating rail equipment. Movement of two or more pieces of rail equipment operating independently on the same track shall be controlled for safe operation. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.9103] [Page 289] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 56.9103 Clearance on adjacent tracks. Railcars shall not be left on side tracks unless clearance is provided for traffic on adjacent tracks. ...


shall be posted with warning signs or signals, or shall be guarded when trains are passing. These crossings shall also be planked or filled between the rails. ...


be transported-- (a) In or on dippers, forks, clamshells, or buckets except shaft buckets during shaft-sinking operations or during inspection, maintenance and repair...


Equipment and supplies shall be loaded, transported, and unloaded in a manner which does not create a hazard to persons from falling or shifting equipment...


shall be broken before loading if they could endanger persons or affect the stability of mobile equipment. Mobile equipment used for haulage of mined material shall be loaded...


be provided and maintained on the banks of roadways where a drop-off exists of sufficient grade or depth to cause a vehicle to overturn or endanger persons...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.9301] [Page 290] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 56.9301 Dump site restraints. Berms, bumper blocks, safety hooks, or similar impeding devices shall be provided at dumping locations where there is a hazard of overtravel or overturning. ...


Stopblocks, derail devices, or other devices that protect against moving or runaway rail equipment shall be installed wherever necessary to...


Ramps and dumping facilities shall be designed and constructed of materials capable of supporting the loads to which they will be subjected. The ramps and dumping...


be visually inspected prior to work commencing and as ground conditions warrant. (b) Where there is evidence that the ground at a dumping location may fail to...


used, they shall be in the clear while trucks are backing into dumping position or dumping. (b) Spotters shall use signal lights to direct trucks where visibility...


Where restricted clearance creates a hazard to persons on mobile equipment, warning devices shall be installed in advance of the restricted area and the restricted area shall...


Roadbeds and all elements of the railroad tracks shall be designed, installed, and maintained to provide safe operation consistent with the speed and type of...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.9308] [Page 291] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 56.9308 Switch throws. Switch throws shall be installed to provide clearance to protect switchmen from contact with moving trains. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.9309] [Page 291] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 56.9309 Chute design. Chute-loading installations shall be designed to provide a safe location for persons pulling chutes. ...


who could be affected by the draw or otherwise exposed to danger shall be warned and given time to clear the hazardous area. (b) Persons attempting to free...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.9311] [Page 291] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 56.9311 Anchoring stationary sizing devices. Grizzlies and other stationary sizing devices shall be securely anchored. ...


safety lines are used, persons shall not position themselves over drawholes if there is danger that broken rock or material may be withdrawn...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.9313] [Page 291] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 56.9313 Roadway maintenance. Water, debris, or spilled material on roadways which creates hazards to the operation of mobile equipment shall be removed. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.9314] [Page 291] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 56.9314 Trimming stockpile and muckpile faces. Stockpile and muckpile faces shall be trimmed to prevent hazards to persons. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.9315] [Page 291] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 56.9315 Dust control. Dust shall be controlled at muck piles, material transfer points, crushers, and on haulage roads where hazards to persons would be created as a result of impaired visibility. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.9316] [Page 291] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 56.9316 Notifying the equipment operator. When an operator of self-propelled mobile equipment is present, persons shall notify the equipment operator before getting on or off that equipment. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.9317] [Page 291] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 56.9317 Suspended loads. Persons shall not work or pass under the buckets or booms of loaders in operation. ...


Persons shall not get on or off moving mobile equipment. This provision does not apply to trainmen, brakemen, and car droppers who are required to get on or off slowly moving trains in...


Persons shall not go over, under, or between railcars unless: (a) The train is stopped; and [[Page 292]] (b) The train operator, when present, is notified...


of at least 30 inches from the farthest projection of moving railroad equipment shall be provided on at least one side of the tracks at all locations where possible...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.10001] [Page 292] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 56.10001 Filling buckets. Buckets shall not be overloaded, and feed shall be regulated to prevent spillage. ...


of carriers (including loading and unloading mechanisms), ropes and supports, and brakes shall be performed by competent persons according to the recommendations of...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.10003] [Page 292] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 56.10003 Correction of defects. Any hazardous defects shall be corrected before the equipment is used. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.10004] [Page 292] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 56.10004 Brakes. Positive-action-type brakes and devices which apply the brakes automatically in the event of a power failure shall be provided on aerial tramways. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.10005] [Page 292] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 56.10005 Track cable connections. Track cable connections shall not obstruct the passage of carriage wheels. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.10006] [Page 292] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 56.10006 Tower guards. Towers shall be suitably protected from swaying buckets. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.10007] [Page 292] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 56.10007 Falling object protection. Guard nets or other suitable protection shall be provided where tramways pass over roadways, walkways, or buildings. ...


shall not ride aerial tramways unless the following features are provided: (a) Two independent brakes, each capable of holding the maximum load; (b)...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.10009] [Page 292] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 56.10009 Riding loaded buckets. Persons shall not ride loaded buckets. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.10010] [Page 292] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 56.10010 Starting precautions. Where possible, aerial tramways shall not be started until the operator has ascertained that everyone is in the clear. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.11001] [Page 292] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways Sec. 56.11001 Safe access. Safe means of access shall be provided and maintained to all working places. ...


elevated ramps, and stairways shall be of substantial construction provided with handrails, and maintained in good condition. Where necessary, toeboards shall...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.11003] [Page 292] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways Sec. 56.11003 Construction and maintenance of ladders. Ladders shall be of substantial construction and maintained in good condition. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.11004] [Page 292] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways Sec. 56.11004 Portable rigid ladders. Portable rigid ladders shall be provided with suitable bases and placed securely when used. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.11005] [Page 292] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways Sec. 56.11005 Fixed ladder anchorage and toe clearance. Fixed ladders shall be anchored securely and installed to provide at least 3 inches of toe clearance. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.11006] [Page 292-293] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways Sec. 56.11006 Fixed ladder landings. Fixed ladders shall project at least 3 feet above landings, or subtantial [[Page 293]] handholds shall be provided above the landings. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.11007] [Page 293] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways Sec. 56.11007 Wooden components of ladders. Wooden components of ladders shall not be painted except with a transparent finish. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.11008] [Page 293] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways Sec. 56.11008 Restricted clearance. Where restricted clearance creates a hazard to persons, the restricted clearance shall be conspicuously marked. [53 FR 32521, Aug. 25, 1988] ...


shall be provided wherever persons are required to walk alongside elevated conveyor belts. Inclined railed walkways shall be nonskid or provided...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.11010] [Page 293] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways Sec. 56.11010 Stairstep clearance. Vertical clearance above stair steps shall be a minimum of seven feet, or suitable warning signs or similar devices shall be provided to indicate an impaired clearance. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.11011] [Page 293] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways Sec. 56.11011 Use of ladders. Persons using ladders shall face the ladders and have both hands free for climbing and descending. ...


Openings above, below, or near travelways through which persons or materials may fall shall be protected by railings, barriers, or covers. Where it is impractical to install...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.11013] [Page 293] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways Sec. 56.11013 Conveyor crossovers. Crossovers shall be provided where it is necessary to cross conveyors. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.11014] [Page 293] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways Sec. 56.11014 Crossing moving conveyors. Moving conveyors shall be crossed only at designated crossover points. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.11016] [Page 293] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways Sec. 56.11016 Snow and ice on walkways and travelways. Regularly used walkways and travelways shall be sanded, salted, or cleared of snow and ice as soon as practicable. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.11017] [Page 293] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways Sec. 56.11017 Inclined fixed ladders. Fixed ladders shall not incline backwards. ...


Fixed ladders, except on mobile equipment, shall be offset and have substantial railed landings at least every 30 feet unless backguards or equivalent...


70 degrees to 90 degrees from the horizontal and 30 feet or more in length shall have backguards, cages or equivalent protection, starting at a point not more than seven...


working platforms shall be of substantial construction and provided with handrails and maintained in good condition. Floor boards shall be laid properly and the scaffolds and...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12001] [Page 293] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12001 Circuit overload protection. Circuits shall be protected against excessive overload by fuses or circuit breakers of the correct type and capacity. ...


circuits shall be provided with switches or other controls. Such switches or controls shall be of approved design and construction and shall be...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12003] [Page 293] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12003 Trailing cable overload protection. Individual overload protection or short circuit protection shall be provided for the trailing cables of mobile equipment. [[Page 294]] ...


be of a sufficient size and current- carrying capacity to ensure that a rise in temperature resulting from normal operations will not damage the insulating materials....


Mobile equipment shall not run over power conductors, nor shall loads be dragged over power conductors, unless the conductors are properly bridged...


provided with a disconnecting device for each branch circuit. Such disconnecting devices shall be equipped or designed in such a manner that it can be determined by...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12007] [Page 294] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12007 Junction box connection procedures. Trailing cable and power-cable connections to junction boxes shall not be made or broken under load. ...


Power wires and cables shall be insulated adequately where they pass into or out of electrical compartments. Cables shall enter metal frames of motors, splice boxes,...


Telephone and low-potential signal wire shall be protected, by isolation or suitable insulation, or both, from contacting energized power conductors or any other...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12011] [Page 294] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12011 High-potential electrical conductors. High-potential electrical conductors shall be covered, insulated, or placed to prevent contact with low potential conductors. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12012] [Page 294] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12012 Bare signal wires. The potential on bare signal wires accessible to contact by persons shall not exceed 48 volts. ...


and repairs made in power cables, including the ground conductor where provided, shall be: (a) Mechanically strong with electrical conductivity as near as possible...


to potentials in excess of 150 volts, phase- to-ground, shall not be moved with equipment unless sleds or slings, insulated from such equipment, are used. When such...


Electrically powered equipment shall be deenergized before mechanical work is done on such equipment. Power switches shall be locked out or other measures taken which shall prevent...


deenergized before work is done on such circuits unless hot-line tools are used. Suitable warning signs shall be posted by the individuals who are to do the work. Switches shall...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12018] [Page 295] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12018 Identification of power switches. Principal power switches shall be labeled to show which units they control, unless identification can be made readily by location. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12019] [Page 295] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12019 Access to stationary electrical equipment or switchgear. Where access is necessary, suitable clearance shall be provided at stationary electrical equipment or switchgear. ...


insulating mats, or other electrically nonconductive material shall be kept in place at all switchboards and power-control switches where shock hazards exist....


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12021] [Page 295] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12021 Danger signs. Suitable danger signs shall be posted at all major electrical installations. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12022] [Page 295] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12022 Authorized persons at major electrical installations. Areas containing major electrical installations shall be entered only by authorized persons. ...


Electrical connections and resistor grids that are difficult or impractical to insulate shall be guarded, unless protection is provided...


encasing electrical circuits shall be grounded or provided with equivalent protection. This requirement does not apply to...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12026] [Page 295] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12026 Grounding transformer and switchgear enclosures. Metal fencing and metal buildings enclosing transformers and switchgear shall be grounded. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12027] [Page 295] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12027 Grounding mobile equipment. Frame grounding or equivalent protection shall be provided for mobile equipment powered through trailing cables. ...


of grounding systems shall be tested immediately after installation, repair, and modification; and annually thereafter. A record of the resistance measured during the most...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12030] [Page 295] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12030 Correction of dangerous conditions. When a potentially dangerous condition is found it shall be corrected before equipment or wiring is energized. ...


cover plates on electrical equipment and junction boxes [[Page 296]] shall be kept in place at all times except during testing...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12033] [Page 296] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12033 Hand-held electric tools. Hand-held electric tools shall not be operated at high potential voltages. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12034] [Page 296] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12034 Guarding around lights. Portable extension lights, and other lights that by their location present a shock or burn hazard, shall be guarded. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12035] [Page 296] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12035 Weatherproof lamp sockets. Lamp sockets shall be of a weatherproof type where they are exposed to weather or wet conditions that may interfere with illumination or create a shock hazard. ...


removed or replaced by hand in an energized circuit, and they shall not otherwise be removed or replaced in an energized circuit unless equipment and techniques especially designed...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12037] [Page 296] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12037 Fuses in high-potential circuits. Fuse tongs or hot line tools shall be used when fuses are removed or replaced in high-potential circuits. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12038] [Page 296] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12038 Attachment of trailing cables. Trailing cables shall be attached to machines in a suitable manner to protect the cable from damage and to prevent strain on the electrical connections. ...


cables to shovels, cranes and similar equipment shall be-- (a) Stored in cable boats; (b) Stored on reels mounted on the equipment; or (c)...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12040] [Page 296] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12040 Installation of operating controls. Operating controls shall be installed so that they can be operated without danger of contact with energized conductors. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12041] [Page 296] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12041 Design of switches and starting boxes. Switches and starting boxes shall be of safe design and capacity. ...


welded at every joint and rails shall be crossbonded at least every 200 feet if the track serves as the return trolley circuit. When rails are moved, replaced, or broken bonds...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12045] [Page 296] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12045 Overhead powerlines. Overhead high-potential powerlines shall be installed as specified by the National Electrical Code. ...


lines shall meet the requirements for grounding or insulator protection of the National Electrical Safety Code, part 2, entitled ``Safety Rules for...


or signal wires shall not be installed on the same crossarm with power conductors. When carried on poles supporting powerlines, they shall be installed as specified...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12050] [Page 297] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12050 Installation of trolley wires. Trolley wires shall be installed at least seven feet above rails where height permits, and aligned and supported to suitably control sway and sag. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12053] [Page 297] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12053 Circuits powered from trolley wires. Ground wires for lighting circuits powered from trolley wires shall be connected securely to the ground-return circuit. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12065] [Page 297] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12065 Short circuit and lightning protection. Powerlines, including trolley wires, and telephone circuits shall be protected against short circuits and lightning. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12066] [Page 297] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12066 Guarding trolley wires and bare powerlines. Where metallic tools or equipment can come in contact with trolley wires or bare powerlines, the lines shall be guarded or deenergized. ...


be totally enclosed, or shall be placed at least 8 feet above the ground, or installed in a transformer house, or surrounded by a substantial fence at least 6 feet high and at...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.12068] [Page 297] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 56.12068 Locking transformer enclosures. Transformer enclosures shall be kept locked against unauthorized entry. ...


Each ungrounded power conductor or telephone wire that leads underground and is directly exposed to lightning shall be equipped with suitable lightning...


When equipment must be moved or operated near energized high-voltage powerlines (other than trolley lines) and the clearance is less than 10 feet, the lines shall...


All boilers and pressure vessels shall be constructed, installed, and maintained in accordance with the standards and specifications of the American Society...


(a) Reciprocating-type air compressors rated over 10 horsepower shall be equipped with automatic temperature-actuated shutoff mechanisms which shall be set or adjusted to the...


be equipped with one or more automatic pressure-relief valves. The total relieving capacity of the relief valves shall prevent pressure from exceeding the maximum...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.13012] [Page 297-298] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart L--Compressed Air and Boilers Sec. 56.13012 Compressor air intakes. Compressor air intakes shall be installed to ensure that only clean, [[Page 298]] uncontaminated air enters the compressors. ...


pressure vessels. (a) Compressed-air receivers and other unfired pressure vessels shall be inspected by inspectors holding a valid National Board Commission and...


pipes where carbon build-up may occur shall be cleaned periodically as recommended by the manufacturer, but no less frequently than once every...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.13019] [Page 298] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart L--Compressed Air and Boilers Sec. 56.13019 Pressure system repairs. Repairs involving the pressure system of compressors, receivers, or compressed-air-powered equipment shall not be attempted until the pressure has been bled off. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.13020] [Page 298] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart L--Compressed Air and Boilers Sec. 56.13020 Use of compressed air. At no time shall compressed air be directed toward a person. When compressed air is used, all necessary precautions shall be taken to protect persons from injury. ...


automatic shutoff valves are used, safety chains or other suitable locking devices shall be used at connections to machines of high-pressure hose lines of \3/4\-inch...


shall be equipped with water level gauges, pressure gauges, automatic pressure-relief valves, blowdown piping, and other safety devices approved by the American...


1988, unless otherwise noted. The following definitions apply in this subpart. Mobile equipment. Wheeled, skid-mounted, track-mounted, or rail- mounted...


(a) Self-propelled mobile equipment to be used during a shift shall be inspected by the equipment operator before being placed in operation on that shift. ...


Self-propelled mobile equipment shall be equipped with a service brake system capable of stopping and holding the equipment with its typical load on the maximum grade it...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.14102] [Page 301] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart M--Machinery and Equipment Sec. 56.14102 Brakes for rail equipment. Braking systems on railroad cars and locomotives shall be maintained in functional condition. ...


on operators' stations of self-propelled mobile equipment, the windows shall be made of safety glass or material with equivalent safety characteristics. The windows shall...


a vehicle for tire repair, the valve core shall be partially removed to allow for gradual deflation and then removed. During deflation, to the extent possible, persons...


Repairs or maintenance of machinery or equipment shall be performed only after the power is off, and the machinery or equipment blocked against hazardous motion. Machinery...


front-end loaders, and bulldozers shall be provided with falling object protective structures if used in an area where falling objects could create a hazard to...


shall be guarded to protect persons from contacting gears, sprockets, chains, drive, head, tail, and takeup pulleys, flywheels, couplings, shafts, fan blades, and similar...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.14108] [Page 302] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart M--Machinery and Equipment Sec. 56.14108 Overhead drive belts. Overhead drive belts shall be guarded to contain the whipping action of a broken belt if that action could be hazardous to persons. ...


Unguarded conveyors next to the travelways shall be equipped with-- (a) Emergency stop devices which are located so that a person falling on or against the conveyor can...


flying or falling materials generated from the operation of screens, crushers, or conveyors present a hazard, guards, shields, or other devices that provide protection against...


(a) When persons are exposed to slushing operations, the slushers shall be equipped with rollers and drum covers and anchored securely before slushing operations are started. ...


(a) Guards shall be constructed and maintained to-- (1) Withstand the vibration, shock, and wear to which they will be subjected during normal operation; and (2) Not create...


Backstops or brakes shall be installed on drive units of inclined conveyors to prevent the conveyors from running in reverse, creating a hazard...


manual master quick-close type air valve shall be installed on all pneumatic-powered equipment if there is a hazard of uncontrolled movement when the air supply is activated. The...


machines, other than special bit grinders, shall be equipped with-- (a) Peripheral hoods capable of withstanding the force of a bursting wheel and enclosing not...


sanders, grinders and circular and chain saws, when used in the hand-held mode shall be operated with controls which require constant hand or finger pressure. (b)...


(a) Equipment included. Roll-over protective structures (ROPS) and seat belts shall be installed on-- (1) Crawler tractors and crawler loaders; ...


shall be provided and worn in haulage trucks. (b) Seat belts shall be maintained in functional condition, and replaced when necessary to assure proper performance. ...


or other audible warning devices provided on self-propelled mobile equipment as a safety feature shall be maintained in functional condition. (b)(1) When...


Before starting crushers or moving self-propelled mobile equipment, equipment operators shall sound a warning that is audible above the surrounding noise level or use...


entire length of a conveyor is visible from the starting switch, the conveyor operator shall visually check to make certain that all persons are in the clear before starting...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.14202] [Page 304] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart M--Machinery and Equipment Sec. 56.14202 Manual cleaning of conveyor pulleys. Pulleys of conveyors shall not be cleaned manually while the conveyor is in motion. ...


shall not be applied manually while belts are in motion unless a pressurized-type applicator is [[Page 305]] used that allows the dressing to be applied...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.14204] [Page 305] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart M--Machinery and Equipment Sec. 56.14204 Machinery lubrication. Machinery or equipment shall not be lubricated manually while it is in motion where application of the lubricant may expose persons to injury. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.14205] [Page 305] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart M--Machinery and Equipment Sec. 56.14205 Machinery, equipment, and tools. Machinery, equipment, and tools shall not be used beyond the design capacity intended by the manufacturer where such use may create a hazard to persons. ...


equipment between workplaces, booms, forks, buckets, beds, and similar movable parts of the equipment shall be positioned in the travel mode and, if required for safe...


Mobile equipment shall not be left unattended unless the controls are placed in the park position and the parking brake, if provided, is set. When parked on a grade, the wheels...


shall be used when parked mobile equipment creates a hazard to persons in other mobile equipment. (b) Mobile equipment, other than forklifts, carrying loads that...


sized tow bar or other effective means of control shall be used to tow mobile equipment. (b) Unless steering and braking are under the control of the equipment operator...


(a) Dippers, buckets, loading booms, or suspended loads shall not be swung over the operators' stations of self-propelled mobile equipment until the...


(a) Persons shall not work on top of, under, or work from mobile equipment in a raised position until the equipment has been blocked or mechanically secured to prevent it...


and drive belts shall be guided mechanically onto moving pulleys, sprockets, or drums except where equipment is designed specifically for...


(a) Welding operations shall be shielded when performed at locations where arc flash could be hazardous to persons. (b) All welding operations shall...


the surrounding noise level shall be sounded-- (a) Immediately prior to moving trains; (b) When trains approach persons, crossings, other trains on...


or uncoupling cars manually, trains shall be brought to a complete stop, and then moved at minimum tram speed until the coupling or uncoupling activity is completed. Coupling...


except where there is inadequate clearance to reverse the trolley pole. Where backpoling is required, it shall be done only at the minimum tram speed of...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.14217] [Page 306] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart M--Machinery and Equipment Sec. 56.14217 Securing parked railcars. Parked railcars shall be blocked securely unless held effectively by brakes. ...


When a locomotive on one track is used to move rail equipment on adjacent tracks, a chain, cable, or drawbar shall be used which is capable of meeting the loads to which it could...


direction of a brakeman and the train operator cannot clearly recognize the brakeman's signals, the train operator shall bring the train to a stop. Appendix I...


including stretchers and blankets, shall be provided at places convenient to all working areas. Water or neutralizing agents shall be available where corrosive...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.15002] [Page 306-307] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart N--Personal Protection Sec. 56.15002 Hard hats. All persons shall wear suitable hard hats when in or around a mine or plant [[Page 307]] where falling objects may create a hazard. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.15003] [Page 307] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart N--Personal Protection Sec. 56.15003 Protective footwear. All persons shall wear suitable protective footwear when in or around an area of a mine or plant where a hazard exists which could cause an injury to the feet. ...


glasses, goggles, or face shields or other suitable protective devices when in or around an area of a mine or plant where a hazard exists which could cause injury to...


shall be worn when persons work where there is danger of falling; a second person shall tend the lifeline when bins, tanks, or other dangerous areas...


Special protective equipment and special protective clothing shall be provided, maintained in a sanitary and reliable condition and used whenever hazards of...


working with molten metal. Protective clothing or equipment and face shields, or goggles shall be worn when welding, cutting, or working with...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.15014] [Page 307] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart N--Personal Protection Sec. 56.15014 Eye protection when operating grinding wheels. Face shields or goggles in good condition shall be worn when operating a grinding wheel. [53 FR 32526, Aug. 25, 1988] ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.15020] [Page 307] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart N--Personal Protection Sec. 56.15020 Life jackets and belts. Life jackets or belts shall be worn where there is danger from falling into water. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.16001] [Page 307] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart O--Materials Storage and Handling Sec. 56.16001 Stacking and storage of materials. Supplies shall not be stacked or stored in a manner which creates tripping or fall-of-material hazards. ...


(a) Bins, hoppers, silos, tanks, and surge piles, where loose unconsolidated materials are stored, handled or transferred shall be-- (1) Equipped with mechanical devices...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.16003] [Page 307] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart O--Materials Storage and Handling Sec. 56.16003 Storage of hazardous materials. Materials that can create hazards if accidentally liberated from their containers shall be stored in a manner that minimizes the dangers. [[Page 308]] ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.16004] [Page 308] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart O--Materials Storage and Handling Sec. 56.16004 Containers for hazardous materials. Containers holding hazardous materials must be of a type approved for such use by recognized agencies. [67 FR 42389, June 21, 2002] ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.16005] [Page 308] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart O--Materials Storage and Handling Sec. 56.16005 Securing gas cylinders. Compressed and liquid gas cylinders shall be secured in a safe manner. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.16006] [Page 308] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart O--Materials Storage and Handling Sec. 56.16006 Protection of gas cylinder valves. Valves on compressed gas cylinders shall be protected by covers when being transported or stored, and by a safe location when the cylinders are in use. ...


shall be attached to loads that may require steadying or guidance while suspended. (b) Hitches and slings used to hoist materials shall be suitable for the...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.16009] [Page 308] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart O--Materials Storage and Handling Sec. 56.16009 Suspended loads. Persons shall stay clear of suspended loads. ...


To protect personnel, material shall not be dropped from an overhead elevation until the drop area is first cleared of personnel and the area is then either guarded or a suitable...


Persons shall not ride on loads being moved by cranes or derricks, nor shall they ride the hoisting hooks unless such method eliminates a...


Chemical substances, including concentrated acids and alkalies, shall be stored to prevent inadvertent contact with each other or with other substances, where such contact could cause...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.16013] [Page 308] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart O--Materials Storage and Handling Sec. 56.16013 Working with molten metal. Suitable warning shall be given before molten metal is poured and before a container of molten metal is moved. ...


Operator-carrying overhead cranes shall be provided with-- (a) Bumpers at each end of each rail; (b) Automatic switches to halt uptravel of the blocks before they strike...


No person shall work from or travel on the bridge of an overhead crane unless the bridge is provided with substantial footwalks with toeboards and railings the length of...


of lift trucks shall be operated with the-- (a) Upright tilted back to steady and secure the load; (b) Load in the upgrade position when ascending or descending...


Illumination sufficient to provide safe working conditions shall be provided in and on all surface structures, paths, walkways, stairways, switch panels, loading and dumping sites,...


A competent person designated by the operator shall examine each working place at least once each shift for [[Page 309]] conditions which may adversely affect safety...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.18006] [Page 309] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart Q--Safety Programs Sec. 56.18006 New employees. New employees shall be indoctrinated in safety rules and safe work procedures. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.18009] [Page 309] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart Q--Safety Programs Sec. 56.18009 Designation of person in charge. When persons are working at the mine, a competent person designated by the mine operator shall be in attendance to take charge in case of an emergency. ...


aid shall be available on all shifts. The individual shall be currently trained and have the skills to perform patient assessment and artificial respiration;...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.18012] [Page 309] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart Q--Safety Programs Sec. 56.18012 Emergency telephone numbers. Emergency telephone numbers shall be posted at appropriate telephones. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.18013] [Page 309] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart Q--Safety Programs Sec. 56.18013 Emergency communications system. A suitable communication system shall be provided at the mine to obtain assistance in the event of an emergency. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.18014] [Page 309] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart Q--Safety Programs Sec. 56.18014 Emergency medical assistance and transportation. Arrangements shall be made in advance for obtaining emergency medical assistance and transportation for injured persons. ...


allowed, or be required to perform work alone in any area where hazardous conditions exist that would endanger his safety unless he can communicate with others, can be...


this subpart apply to those hoists and appurtenances used for hoising persons. However, where persons may be endangered by hoists and appurtenances used solely for handling...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19001] [Page 309] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19001 Rated capacities. Hoists shall have rated capacities consistent with the loads handled and the recommended safety factors of the ropes used. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19002] [Page 309] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19002 Anchoring. Hoists shall be anchored securely. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19003] [Page 309] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19003 Driving mechanism connections. Belt, rope, or chains shall not be used to connect driving mechanisms to man hoists. ...


be equipped with a brake or brakes which shall be capable of holding its [[Page 310]] fully loaded cage, skip, or bucket at any point in...


of the clutch of every man-hoist drum shall be provided with a locking mechanism, or interlocked electrically or mechanically with the brake to prevent accidental...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19006] [Page 310] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19006 Automatic hoist braking devices. Automatic hoists shall be provided with devices that automatically apply the brakes in the event of power failure. ...


hoists shall be provided with devices to prevent overtravel. When utilized in shafts exceeding 100 feet in depth, such hoists shall also be provided with...


Where creep or slip may alter the effective position of safety devices, friction hoists shall be equipped with synchronizing mechanisms that recalibrate the overtravel devices...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19009] [Page 310] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19009 Position indicator. An accurate and reliable indicator of the position of the cage, skip, bucket, or cars in the shaft shall be provided. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19010] [Page 310] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19010 Location of hoist controls. Hoist controls shall be placed or housed so that the noise from machinery or other sources will not prevent hoistmen from hearing signals. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19011] [Page 310] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19011 Drum flanges. Flanges on drums shall extend radially a minimum of 4 inches or three rope diameters beyond the last wrap, whichever is the lesser. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19012] [Page 310] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19012 Grooved drums. Where grooved drums are used, the grooves shall be of suitable size and pitch for the ropes used. ...


Where any diesel or similar fuel-injection engine is used to power a hoist, the engine shall be equipped with a damper or other cutoff in its air intake system. The...


a friction hoist installation, tapered guides or other approved devices shall be installed above and below the limits of regular travel of the conveyance and arranged to...


Each electric hoist shall be equipped with a manually-operable switch that will initiate emergency braking action to bring the conveyance and the counterbalance safely to rest. This...


switch is installed, the switch shall function so as to allow the conveyance to be moved through the overtravel position when the switch is held in the closed position...


nominal strength (manufacturer's published catalog strength) of wire ropes used for hoisting shall meet the minimum rope strength values obtained by the following formulas...


but before visible wear occurs, the rope diameter of newly installed wire ropes shall be measured at least once in every third interval of active length and the...


calendar days, each wire rope in service shall be visually examined along its entire active length for visible structural damage, corrosion, and improper lubrication...


deterioration is removed by cutoff, wire ropes shall be removed from service when any of the following conditions occurs: (a) The number of broken wires within a rope...


attached to the load by a method that develops at least 80 percent of the nominal strength of the rope. (b) Except for terminations where use of other materials is a...


wire rope shall be attached-- (1) Securely by clips after making one full turn around the drum spoke; (2) Securely by clips after making one full turn around...


deteriorated wire rope shall be removed by cutoff and the rope reterminated where there is-- (a) More than one broken wire at an attachment; (b) Improper installation of...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19028] [Page 312] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19028 End attachment replacement. Wire rope attachments shall be replaced when cracked, deformed, or excessively worn. ...


to hoist ropes shall be selected, installed, and maintained according to manufacturers' specifications to minimize internal corrosion and weakening of the...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19035] [Page 312] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19035 Headframe design. All headframes shall be constructed with suitable design considerations to allow for all dead loads, live loads, and wind loads. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19036] [Page 312] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19036 Headframe height. Headframes shall be high enough to provide clearance for overtravel and safe stopping of the conveyance. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19037] [Page 312] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19037 Fleet angles. Fleet angles on hoists installed after November 15, 1979, shall not be greater than one and one-half degrees for smooth drums or two degrees for grooved drums. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19038] [Page 312] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19038 Platforms around elevated head sheaves. Platforms with toeboards and handrails shall be provided around elevated head sheaves. Conveyances ...


hoisting or lowering employees or other persons in any vertical shaft or any incline-shaft with an angle of inclination of forty-five degrees from the horizontal, shall be...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19049] [Page 312] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19049 Hoisting persons in buckets. Buckets shall not be used to hoist persons except during shaft sinking operations, inspection, maintenance, and repairs. ...


hoist persons during vertical shaft sinking operations shall-- (a) Be securely attached to a crosshead when traveling in either direction between the lower and upper...


shafts other than in shaft sinking operations, the rope guides shall be a type of lock coil construction. ...


When a manually operated hoist is used, a qualified hoistman shall remain within hearing of the telephone or signal device at all times while any person...


When automatic hoisting is used, a competent operator of the hoist shall be readily available at or near the hoisting device while any person...


shall operate a hoist unless within the preceding 12 months he has had a medical examination by a qualified, licensed physician who shall certify his fitness to perform this...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19058] [Page 313] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19058 Experienced hoist operators. Only experienced hoistmen shall operate the hoist except in cases of emergency and in the training of new hoistmen. ...


hoisting persons shall be determined for each shaft, and this speed shall not be exceeded. Persons should not be hoisted at a speed faster than 2,500 feet per minute, except in...


Maximum normal operating acceleration and deceleration shall not exceed 6 feet per second per second. During emergency braking, the deceleration shall not exceed 16 feet per second...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19063] [Page 313] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19063 Persons allowed in hoist room. Only authorized persons shall be in hoist rooms. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19065] [Page 313] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19065 Lowering conveyances by the brakes. Conveyances shall not be lowered by the brakes alone except during emergencies. ...


over 45 degrees, the operator shall determine and post in the conveyance or at each shaft station the maximum number of persons permitted to ride in a hoisting conveyance...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19067] [Page 313] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19067 Trips during shift changes. During shift changes, an authorized person shall be in charge of each trip in which persons are hoisted. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19068] [Page 313] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19068 Orderly conduct in conveyances. Persons shall enter, ride, and leave conveyances in an orderly manner. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19069] [Page 313] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19069 Entering and leaving conveyances. Persons shall not enter or leave conveyances which are in motion or after a signal to move the conveyance has been given to the hoistman. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19070] [Page 313] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19070 Closing cage doors or gates. Cage doors or gates shall be closed while persons are being hoisted; they shall not be opened until the cage has come to a stop. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19071] [Page 313] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19071 Riding in skips or buckets. Persons shall not ride in skips or buckets with muck, supplies, materials, or tools other than small hand tools. [[Page 314]] ...


of cages and skips are used in the same compartment, the cages shall be enclosed to protect personnel from flying material and the hoist speed reduced to man-speed...


shall not be hoisted in the same shaft as persons during shift changes, unless the compartments and dumping bins are partitioned to prevent spillage into the...


Persons shall not ride the bail, rim, bonnet, or crosshead of any shaft conveyance except when necessary for inspection and maintenance, and then only when suitable protection...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19075] [Page 314] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19075 Use of open hooks. Open hooks shall not be used to hoist buckets or other conveyances. ...


When persons are hoisted in buckets, speeds shall not exceed 500 feet per minute and shall not exceed 200 feet per minute when within 100 feet of the...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19077] [Page 314] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19077 Lowering buckets. Buckets shall be stopped about 15 feet from the shaft bottom to await a signal from one of the crew on the bottom for further lowering. ...


All buckets shall be stopped after being raised about 3 feet above the shaft bottom. A bucket shall be stabilized before a hoisting signal is given to continue hoisting the bucket to...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19079] [Page 314] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19079 Blocking mine cars. Where mine cars are hoisted by cage or skip, means for blocking cars shall be provided at all landings and also on the cage. ...


When tools, timbers, or other materials are being lowered or raised in a shaft by means of a bucket, skip, or cage, they shall be secured or so placed that they will not strike...


by a hoist operator are not in use, they shall be released and the conveyances shall be raised or lowered a suitable distance to prevent persons from boarding or loading...


device shall be installed on each electric hoist that will allow the conveyance or counterbalance to be removed from an over-travel position. Such device shall not release...


least two effective approved methods of signaling between each of the shaft stations and the hoist room, one of which shall be a telephone or...


Hoist operators shall accept hoisting instructions only by the regular signaling system unless it is out of order. In such an event, and during other emergencies, the hoist...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19092] [Page 315] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19092 Signaling from conveyances. A method shall be provided to signal the hoist operator from cages or other conveyances at any point in the shaft. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19093] [Page 315] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19093 Standard signal code. A standard code of hoisting signals shall be adopted and used at each mine. The movement of a shaft conveyance on a ``one bell'' signal is prohibited. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19094] [Page 315] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19094 Posting signal code. A legible signal code shall be posted prominently in the hoist house within easy view of the hoistman, and at each place where signals are given or received. ...


shall be positioned within easy reach of persons on the shaft bottom or constantly attended by a person stationed on the lower deck of the...


for receiving or giving signals for cages, skips, and mantrips when persons or materials are being transported shall be familiar with the posted signaling code. ...


equipped with substantial safety gates so constructed that materials will not go through or under them; gates shall be closed except when loading or unloading...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19101] [Page 315] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19101 Stopblocks and derail switches. Positive stopblocks or a derail switch shall be installed on all tracks leading to a shaft collar or landing. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19102] [Page 315] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19102 Shaft guides. A means shall be provided to guide the movement of a shaft conveyance. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19103] [Page 315] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19103 Dumping facilities and loading pockets. Dumping facilities and loading pockets shall be constructed so as to minimize spillage into the shaft. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19104] [Page 315] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19104 Clearance at shaft stations. Suitable clearance at shaft stations shall be provided to allow safe movement of persons, equipment, and materials. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19105] [Page 315] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19105 Landings with more than one shaft entrance. A safe means of passage around open shaft compartments shall be provided on landings with more than one entrance to the shaft. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19106] [Page 315] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19106 Shaft sets. Shaft sets shall be kept in good repair and clean of hazardous material. ...


Hoistmen shall be informed when persons are working in a compartment affected by that hoisting operation and a ``Men Working in Shaft'' sign shall be posted...


When persons are working in a shaft ``Men Working in Shaft'' signs shall be posted at all devices controlling hoisting operations that may endanger...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19109] [Page 315] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19109 Shaft inspection and repair. Shaft inspection and repair work in vertical shafts shall be performed from substantial platforms equipped with bonnets or equivalent overhead protection. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19110] [Page 315] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19110 Overhead protection for shaft deepening work. A substantial bulkhead or equivalent protection shall be provided above persons at work deepening a shaft. ...


ladders shall be provided from the collar to as near the shaft bottom as practical during shaft-sinking operations, or an escape hoist powered by an emergency...


A systematic procedure of inspection, testing, and maintenance of shafts and hoisting equipment shall be developed and followed. If it is found or suspected that any part...


person performing inspections, tests, and maintenance of hoisting equipment required in standard 56.19120 shall certify, by signature and date, that they have been done. A...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19122] [Page 316] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19122 Replacement parts. Parts used to repair hoists shall have properties that will ensure the proper and safe function of the hoist. ...


Hoistmen shall examine their hoists and shall test overtravel, deadman controls, position indicators, and braking mechanisms at the beginning of...


and to assure that the hoisting compartments are clear of obstructions, empty hoist conveyances shall be operated at least one round trip after: (a) Any hoist or...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19131] [Page 316] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19131 Hoist conveyance connections. Hoist conveyance connections shall be inspected at least once during any 24-hour period that the conveyance is used for hoisting persons. ...


of hoist conveyance safety catches shall be made at the time of installation, or prior to installation, in a mockup of the actual installation. The test shall be certified to...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19133] [Page 316] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19133 Shaft. Shafts that have not been inspected within the past 7 days shall not be used until an inspection has been conducted by a competent person. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19134] [Page 316] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19134 Sheaves. Sheaves in operating shafts shall be inspected weekly and kept properly lubricated. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.19135] [Page 316] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 56.19135 Rollers in inclined shafts. Rollers used in operating inclined shafts shall be lubricated, properly aligned, and kept in good repair. [[Page 317]] ...


Intoxicating beverages and narcotics shall not be permitted or used in or around mines. Persons under the influence of alcohol or narcotics shall not be permitted on...


drinking water shall be provided at all active working areas. (b) The common drinking cup and containers from which drinking water must be dipped or poured...


(a) Workplaces, passageways, storerooms, and service rooms shall be kept clean and orderly; (b) The floor of every workplace shall be maintained in a clean and, so far...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.20005] [Page 317] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart S--Miscellaneous Sec. 56.20005 Carbon tetrachloride. Carbon tetrachloride shall not be used. ...


be provided at locations that are compatible with the mine operations and that are readily accessible to mine personnel. (b) The facilities shall be kept clean and...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.20009] [Page 317] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart S--Miscellaneous Sec. 56.20009 Tests for explosive dusts. Dusts suspected of being explosive shall be tested for explosibility. If tests prove positive, appropriate control measures shall be taken. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.20010] [Page 317] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart S--Miscellaneous Sec. 56.20010 Retaining dams. If failure of a water or silt retaining dam will create a hazard, it shall be of substantial construction and inspected at regular intervals. ...


or safety hazards exist that are not immediately obvious to employees shall be barricaded, or warning signs shall be posted at all approaches. Warning signs shall be...


be provided at suitable locations and used for the disposal of waste food and associated materials. They shall be emptied frequently and shall be maintained in a clean and...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.20014] [Page 317] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56--SAFETY AND HEALTH STANDARDS--SURFACE METAL AND NONMETAL MINES--Table of Contents Subpart S--Miscellaneous Sec. 56.20014 Prohibited areas for food and beverages. No person shall be allowed to consume or store food or beverages in a toilet room or in any area exposed to a toxic material. ...


safety and health standards for each underground metal or nonmetal mine, including related surface operations, subject to the Federal Mine Safety and Health Act of 1977....


this part, except in any subpart preceded by a separate set of definitions: Abandoned mine means all work has stopped on the mine premises and an office with a...


mines. The owner, operator, or person in charge of any metal and nonmetal mine shall notify the nearest Mine Safety and Health Administration Metal and Nonmental...


Source: 51 FR 36198, Oct. 8, 1986, unless otherwise noted. The following definitions apply in this subpart. Rock burst. A sudden and violent failure...


that create a hazard to persons shall be taken down or supported before other work or travel is permitted in the affected area. Until corrective work is completed, the...


be performed from a location which will not expose persons to injury from falling material, or other protection from falling material shall...


a scaling bar shall be provided. This bar shall be of a length and design that will allow the removal of loose material without exposing the person performing the work...


accessories addressed in ASTM F432-95, ``Standard Specification for Roof and Rock Bolts and Accessories,'' the mine operator shall-- (1) Obtain a manufacturer's...


used where ground conditions, or mining experience in similar ground conditions in the mine, indicate that it is necessary. When ground support is necessary, the support system...


operations, the material to be broken, other than hanging material, shall be positioned or blocked to prevent movement which would endanger persons in the work area....


in examining and testing for loose ground shall be designated by the mine operator. Appropriate supervisors or other designated persons shall examine and, where...


bank. Persons shall not work or travel between machinery or equipment and the highwall or bank where the machinery or equipment may hinder escape from falls or...


Persons shall not perform maintenance work between machinery or equipment and ribs unless the area has been tested and, when...


have experienced a rock burst shall-- (1) Within twenty four hours report to the nearest MSHA office each rock burst which: (i) Causes persons to be withdrawn; ...


Mine Safety and Health Act of 1977, Pub. L. 91-173 as amended by Pub. L. 95-164, 91 Stat. 1291 (30 U.S.C. 811). The following definitions apply in...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.4011] [Page 331] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 57.4011 Abandoned electric circuits. Abandoned electric circuits shall be deenergized and isolated so that they cannot become energized inadvertently. ...


Underground trailing cables shall be accepted or approved by MSHA as flame resistant. [57 FR 61223, Dec. 23, 1992] [[Page 332]] ...


person shall smoke or use an open flame where flammable or combustible liquids, including greases, or flammable gases are-- (a) Used or transported in a manner that could create...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.4101] [Page 332] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 57.4101 Warning signs. Readily visible signs prohibiting smoking and open flames shall be posted where a fire or explosion hazard exists. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.4102] [Page 332] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 57.4102 Spillage and leakage. Flammable or combustible liquid spillage or leakage shall be removed in a timely manner or controlled to prevent a fire hazard. ...


Internal combustion engines shall be switched off before refueling if the fuel tanks are integral parts of the equipment. This standard does not apply to...


liquids, shall not accumulate in quantities that could create a fire hazard. (b) Waste or rags containing flammable or combustible liquids that could create a...


The requirements of this standard apply to surface areas only. (a) If a hazard to persons could be created, no combustible materials shall be stored...


(a) On the surface, no more than one day's supply of combustible materials shall be stored within 100 feet of mine openings or within 100 feet of fan installations used...


The requirements of this standard apply to underground areas only. (a) Areas within 25 feet of the following shall be free of combustible materials: ...


be lit underground, except for open-flame torches. Torches shall be attended at all times while lit. ...


fires that could endanger persons, each mine shall have-- (1) Onsite firefighting equipment for fighting fires in their early stages; and (2) Onsite...


be inspected according to the following schedules: (1) Fire extinguishers shall be inspected visually at least once a month to determine that they are fully charged...


part of the mine's firefighting system, the hydrants shall be provided with-- (a) Uniform fittings or readily available adapters for onsite firefighting equipment; ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.4203] [Page 333] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 57.4203 Extinguisher recharging or replacement. Fire extinguishers shall be recharged or replaced with a fully charged extinguisher promptly after any discharge. ...


(a)(1) Whenever a fire or its effects could impede escape from self- propelled [[Page 334]] equipment, a fire extinguisher shall be on the equipment. (2)...


(a) Whenever self-propelled equipment is used underground, a fire extinguisher shall be on the equipment. This standard does not apply to compressed-air powered equipment...


that are located at underground shaft stations and are part of the mine's fire protection system shall have at least one fitting located for, and capable of,...


storage and dispensing areas, pump rooms, compressor rooms, and hoist rooms. Transformer stations, storage and dispensing areas for combustible liquids, pump...


shall be provided at the head, tail, drive, and take-up pulleys of underground belt conveyors. Provisions shall be made for extinguishing fires along the beltline....


(a) Mine operators shall establish emergency firefighting, evacuation, and rescue procedures for the surface portions of their operations. These procedures shall...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.4331] [Page 334] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 57.4331 Surface firefighting drills. Emergency firefighting drills shall be held at least once every six months for persons assigned surface firefighting responsibilities by the mine operator. ...


systems capable of promptly warning every person underground, except as provided in paragraph (b), shall be provided and maintained in operating condition. (b) If...


least once every six months, mine evacuation drills shall be held to assess the ability of all persons underground to reach the surface or other designated points of safety within...


Following evacuation of a mine in a fire emergency, only persons wearing and trained in the use of mine rescue apparatus shall participate in rescue and...


(a) At least once every twelve months, all persons who work underground shall be instructed in the escape and evacuation plans and procedures and fire warning signals in effect at...


shall not be used for cleaning. (b) Solvents shall not be used near an open flame or other ignition source, near any source of heat, or in an atmosphere that can elevate...


flammable or combustible liquid storage tanks shall be securely mounted on firm foundations. Piping shall be provided with flexible connections or other special fittings...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.4402] [Page 335] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 57.4402 Safety can use. Small quantities of flammable liquids drawn from storage shall be kept in safety cans labeled to indicate the contents. ...


requirements of this standard apply to surface areas only. (a) Storage tanks for flammable or combustible liquids shall be-- (1) Capable of withstanding working pressures...


the surface, no unburied flammable or combustible liquids or flammable gases shall be stored within 100 feet of the following: (1) Mine openings or structures attached to...


(a) Flammable liquids shall not be stored underground, except-- (1) Small quantities stored in tightly closed cabinets away from any heat source. The small quantities shall...


If gasoline is used underground to power internal combustion engines- (a) The mine shall be nongassy and shall have multiple horizontal or inclined roadways from the...


The requirements of this standard apply to underground areas only. (a) Combustible liquids, including oil or grease, shall be stored in non-glass containers or...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.4463] [Page 337] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 57.4463 Liquefied petroleum gas use underground. Use of liquefied petroleum gases underground shall be limited to maintenance work. Installation/Construction/Maintenance ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.4500] [Page 337] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 57.4500 Heat sources. Heat sources capable of producing combustion shall be separated from combustible materials if a fire hazard could be created. ...


with valves capable of stopping the flow of fuel at the source and shall be located and maintained to minimize fire hazards. This standard does not apply to fuel lines...


shall be ventilated with a sufficient volume of air to prevent the accumulation of hydrogen gas. (b) Smoking, use of open flames, or other activities that...


conveyors within confined areas where evacuation would be restricted in the event of a fire resulting from belt-slippage shall be equipped with a detection system capable...


bulkheads for main and booster fans, and air ducts connecting main fans to underground openings shall be constructed of noncombustible materials. (b) Areas within 25 feet...


Fuel lines into underground storage or dispensing areas shall be drained at the completion of each transfer of fuel unless the following requirements are met: (a) The valve at...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.4530] [Page 338] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 57.4530 Exits for surface buildings and structures. Surface buildings or structures in which persons work shall have a sufficient number of exits to permit prompt escape in case of fire. ...


or rooms. (a) Surface storage buildings or storage rooms in which flammable or combustible liquids, including grease, are stored and that are within 100 feet...


on the surface shall be-- (a) At least 100 feet from fan installations used for intake air and mine openings; (b) Equipped with exhaust vents over the forge...


other similar structures within 100 feet of mine openings used for intake air or within 100 feet of mine openings that are designated escapeways in exhaust air shall be-- ...


inside the mine portal or collar timber used for ground support in intake openings and in exhaust openings that are designated as escapeways shall be-- (a) Provided with...


Stationary diesel equipment underground shall be-- (a) Supported on a noncombustible base; and (b) Provided with a thermal sensor that automatically stops the engine...


welding, cutting, soldering, thawing, or bending-- (1) With an electric arc or with an open flame where an electrically conductive extinguishing agent could create an...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.4601] [Page 339] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 57.4601 Oxygen cylinder storage. Oxygen cylinders shall not be stored in rooms or areas used or designated for storage of flammable or combustible liquids, including grease. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.4602] [Page 339] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart C--Fire Prevention and Control Sec. 57.4602 Gauges and regulators. Gauges and regulators used with oxygen or acetylene cylinders shall be kept clean and free of oil and grease. ...


of gases from hoses and torches attached to oxygen and acetylene cylinders or to manifold systems, cylinder or manifold system valves shall be closed when-- (a)...


Before welding, cutting, or applying heat with an open flame to pipelines or containers that have contained flammable or combustible liquids, flammable gases, or explosive...


involving hazard areas. During performance of an activity underground described in Table C-2 or when falling sparks or hot metal from work performed in a...


be provided with at least one of the following means to control the spread of fire, smoke, and toxic gases underground in the event of a fire: control doors, reversal of...


prevent the spread of toxic gases from a fire originating in an underground shop where maintenance work is routinely done on mobile equipment, one of the following measures shall...


57.5001 Exposure limits for airborne contaminants. Air Quality--Surface and Underground Except as permitted by Sec. 57.5005-- ...


Exposure monitoring. Dust, gas, mist, and fume surveys shall be conducted as frequently as necessary to determine the adequacy of...


Control of exposure to airborne contaminants. Control of employee exposure to harmful airborne contaminants shall be, insofar as feasible, by prevention...


Restricted use of chemicals. The following chemical substances shall not be used or stored except by competent persons under laboratory conditions approved by...


Oxygen deficiency. Air in all active workings shall contain at least 19.5 volume percent oxygen. ...


57.5037 Radon daughter exposure monitoring. (a) In all mines at least one sample shall be taken in exhaust mine air by a competent person to determine...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.5038] [Page 345] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart D--Air Quality, Radiation, Physical Agents, and Diesel Particulate Matter Sec. 57.5038 Annual exposure limits. No person shall be permitted to receive an exposure in excess of 4 WLM in any calendar year. ...


Maximum permissible concentration. Except as provided by standard Sec. 57.5005, persons shall not be exposed to air containing concentrations of radon...


57.5040 Exposure records. (a) The operator shall calculate and record complete individual exposures to concentrations of radon daughters as follows: (1)...


Smoking prohibition. Smoking shall be prohibited in all areas of a mine where exposure records are required to be kept in compliance with...


Revised exposure levels. If levels of permissible exposures to concentrations of radon daughters different from those prescribed in 57.5038 are recommended...


Respirators. In environments exceeding 1.0 WL, miners shall wear respirators approved by NIOSH for radon daughters prior to July 10, 1995 or under...


Posting of inactive workings. Inactive workings in which radon daughter concentrations are above 1.0 WL, shall be posted against unauthorized entry and...


Protection against radon gas. Where radon daughter concentrations exceed 10 WL, respirator protection against radon gas shall be provided in addition to...


57.5047 Gamma radiation surveys. (a) Gamma radiation surveys shall be conducted annually in all underground mines where radioactive ores are mined. (b)...


57.5060 Limit on concentration of diesel particulate matter. (a) After July 19, 2002 and until January 19, 2006, any mine operator covered by this part must limit...


57.5061 Compliance determinations. (a) A single sample collected and analyzed by the Secretary in accordance with the requirements of this section shall be an...


57.5062 Diesel particulate matter control plan. (a) In the event of a violation by the operator of an underground metal or nonmetal mine of the...


Fueling practices. (a) Diesel fuel used to power equipment in underground areas must not have a sulfur content greater than 0.05 percent. The operator...


Maintenance standards. (a) Any diesel powered equipment operated at any time in underground areas must meet the following maintenance standards: (1)...


57.5067 Engines. (a) Any diesel engine introduced into an underground area of a mine covered by this part after July 5, 2001, other than an engine in an...


Miner training. (a) Mine operators must provide annual training to all miners at a mine covered by this part who can reasonably be expected to be exposed...


57.5071 Environmental monitoring. (a) Mine operators must monitor as often as necessary to effectively determine, under conditions that can be reasonably...


Diesel particulate records. (a) The table entitled ``Diesel Particulate Recordkeeping Requirements'' lists the records the operator must retain pursuant...


1996, unless otherwise noted. The following definitions apply in this subpart. Attended. Presence of an individual or continuous monitoring to...


(a) Detonators shall not be stored in the same magazine with other explosive material. (b) When stored in the same magazine, blasting agents shall be separated from...


(a) Areas surrounding storage facilities for explosive material shall be clear of rubbish, brush, dry grass, and trees for 25 feet in all directions, except that live trees...


material shall be-- (1) Stored in a manner to facilitate use of oldest stocks first; (2) Stored according to brand and grade in such a manner as to...


and explosives shall be stored in magazines. (b) Packaged blasting agents shall be stored in a magazine or other facility which is ventilated to prevent dampness...


(a) Storage facilities for any explosive material shall be-- (1) Located so that the forces generated by a storage facility explosion will not create a hazard to occupants...


(1) Structurally sound; (2) Noncombustible or the exterior covered with fire-resistant material; (3) Bullet resistant; (4) Made of nonsparking material...


shall be-- (1) Structurally sound, weather-resistant, equipped with a lid or cover, and with only nonsparking material on the inside; (2) Posted with the...


store explosive material underground shall be located-- (1) In stable or supported ground; (2) So that a fire or explosion in the storage facilities will not...


to store explosive material near work places shall be wooden, box-type containers equipped with covers or doors, or facilities constructed or mined-out to provide...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.6200] [Page 356] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 57.6200 Delivery to storage or blast site areas. Explosive material shall be transported without undue delay to the storage area or blast site. ...


Detonators shall not be transported on the same vehicle or conveyance with other explosives except as follows: (a) Detonators in quantities of more than 1,000 may...


shall be-- (1) Maintained in good condition and shall comply with the requirements of subpart M of this part; (2) Equipped with sides and enclosures higher than...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.6203] [Page 357] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 57.6203 Locomotives. Explosive material shall not be transported on a locomotive. When explosive material is hauled by trolley locomotive, covered, electrically insulated cars shall be used. ...


transported in hoist conveyances-- (1) The hoist operator shall be notified; and [[Page 358]] (2) Hoisting in adjacent shaft compartments, except for...


shall be used to carry explosives and detonators to and from blast sites. Separate containers shall be used for explosives and detonators. ...


trained and experienced in the handling and use of explosive material shall direct blasting operations and related activities. (b) Trainees and inexperienced persons...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.6301] [Page 358] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 57.6301 Blasthole obstruction check. Before loading, blastholes shall be checked and, wherever possible, cleared of obstructions. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.6302] [Page 358] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 57.6302 Separation of explosive material. Explosives and blasting agents shall be kept separated from detonators until loading begins. ...


made up only at the time of use and as close to the blast site as conditions allow. (b) Primers shall be prepared with the detonator contained securely and completely...


done directly on a primer. (b) Rigid cartridges of explosives or blasting agents that are 4 inches (100 millimeters) in diameter or larger shall not be dropped on the...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.6305] [Page 358] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 57.6305 Unused explosive material. Unused explosive material shall be moved to a protected location as soon as practical after loading operations are completed. ...


explosive materials or initiating systems are brought to the blast site, the blast site shall be attended; barricaded and posted with warning signs, such as...


be loaded into blastholes with drill stem equipment or other devices that could be extracted while containing explosive material. The use of loading hose, collar sleeves, or...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.6308] [Page 359] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 57.6308 Initiation systems. Initiation systems shall be used in accordance with the manufacturer's instructions. ...


fuels with flash points lower than that of No. 2 diesel oil (125 [deg]F) shall not be used to prepare ammonium nitrate-fuel oil, except that diesel fuels with flash points...


persons shall not enter the blast area- - (a) For 30 minutes if safety fuse and blasting caps are used; or (b) For 15 minutes if any other type detonators...


shall be examined for misfires after each blasting operation. (b) Only work necessary to remove a misfire and protect the safety of miners engaged in the removal shall...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.6312] [Page 359] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 57.6312 Secondary blasting. Secondary blasts fired at the same time in the same work area shall be initiated from one source. Electric Blasting--Surface and Underground ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.6400] [Page 359] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 57.6400 Compatibility of electric detonators. All electric detonators to be fired in a round shall be from the same manufacturer and shall have similar electrical firing characteristics. ...


(a) Electric detonators shall be kept shunted until connected to the blasting line or wired into a blasting round; (b) Wired rounds shall be kept shunted until connected to...


circuits within 50 feet of electric detonators at the blast site shall be deenergized. Such circuits need not be deenergized between 25 to 50 feet of the...


the use of branch circuits, each branch shall be equipped with a safety switch or equivalent method to isolate the circuits to be used. (b) At least one safety switch...


(a) Switches used to connect the power source to a blasting circuit shall be locked in the open position except when closed to fire the blast. (b) Lead wires shall not...


capable of delivering sufficient current to energize all electric detonators to be fired with the type of circuits used. Storage or dry cell batteries are not permitted as...


blast is connected in parallel and is to be initiated from powerlines or lighting circuits, the time of current flow shall be limited to a maximum of 25 milliseconds. This can...


other instrument designed for testing blasting circuits shall be used to test the following: (a) In surface operations-- (1) Continuity of each electric detonator in...


the completed circuit shall be made to ensure that the components are properly aligned and connected. Safety fuse, igniter cord, detonating cord, shock or gas tubing, and...


the nonelectric initiation system uses shock tube-- (1) Connections with other initiation devices shall be secured in a manner which provides for uninterrupted propagation; ...


of safety fuse to be used shall be measured, posted in locations which will be conspicuous to safety fuse users, and brought to the attention of all persons involved with...


suspected in an area where electric detonators are used, loading shall be suspended until tests determine that stray current does not exceed 0.05 amperes through a 1-ohm...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.6601] [Page 361] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 57.6601 Grounding. Electric blasting circuits, including powerline sources when used, shall not be grounded. ...


When explosive material is loaded pneumatically into a blasthole in a manner that generates a static electricity hazard-- (a) An evaluation of the potential static...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.6603] [Page 362] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 57.6603 Air gap. At least a 15-foot air gap shall be provided between the blasting circuit and the electric power source. ...


progress of an electrical storm-- (a) Surface blasting operations shall be suspended and persons withdrawn from the blast area or to a safe location; or ...


blasting lines shall be isolated and insulated from power conductors, pipelines, and railroad tracks, and shall be protected from sources of stray or static electricity....


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.6700] [Page 362] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 57.6700 Nonsparking tools. Only nonsparking tools shall be used to open containers of explosive material or to punch holes in explosive cartridges. ...


loading poles shall be of wood or other nonconductive, nonsparking material. Couplings for poles shall be nonsparking. Maintenance--Surface...


produce a spark or flame is to be performed on a storage facility-- (a) The explosive material shall be moved to another facility, or moved at least 50 feet from the...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.6801] [Page 362] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 57.6801 Vehicle repair. Vehicles containing explosive material and oxidizers shall not be taken into a repair garage or shop. ...


be performed on a bulk delivery vehicle until the vehicle has been washed down and all explosive material has been removed. Before welding or cutting on a hollow shaft,...


be properly supported. All blasting lines shall be insulated and kept in good repair. General Requirements--Surface...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.6900] [Page 362] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart E--Explosives Sec. 57.6900 Damaged or deteriorated explosive material. Damaged or deteriorated explosive material shall be disposed of in a safe manner in accordance with the instructions of the manufacturer. ...


used for blasting only when a desired result cannot be obtained with another type of explosive, such as in quarrying certain types of dimension stone. (b) Containers of...


premature detonation, explosive material shall not be loaded into hot areas, such as kilns or sprung holes. (b) When blasting sulfide ores where hot holes occur that may...


is suspected of burning at the blast site, persons shall be evacuated from the endangered area and shall not return for at least one hour after the burning or suspected...


open flames shall not be permitted within 50 feet of explosive material except when separated by permanent noncombustible barriers. This standard does not apply to devices designed...


shall be protected from temperatures in excess of 150 degrees Fahrenheit. (b) Explosive material shall be protected from impact, except for tamping and...


ingredients to produce explosive material shall not be conducted underground unless prior approval of the MSHA district manager is obtained. In granting or withholding approval,...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7002] [Page 363] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7002 Equipment defects. Drilling--Surface Only Equipment defects affecting safety shall be corrected before the equipment is used. [[Page 364]] ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7003] [Page 364] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7003 Drill area inspection. The drilling area shall be inspected for hazards before starting the drilling operations. ...


on a mast while the drill-bit is in operation unless they are provided with a safe platform from which to work and they are required to use safety belts to...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7005] [Page 364] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7005 Augers and drill stems. Drill crews and others shall stay clear of augers or drill stems that are in motion. Persons shall not pass under or step over a moving stem or auger. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7008] [Page 364] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7008 Moving the drill. When a drill is being moved from one drilling area to another, drill steel, tools, and other equipment shall be secured and the mast placed in a safe position. ...


the drill operator during movement of a drill to a new location, the helper shall be in sight of, or in communication with, the operator at...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7010] [Page 364] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7010 Power failures. In the event of power failure, drill controls shall be placed in the neutral position until power is restored. ...


The drill stem shall be resting on the bottom of the hole or on the platform with the stem secured to the mast before attempts are made to straighten a crossed cable on...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7012] [Page 364] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7012 Tending drills in operation. While in operation, drills shall be attended at all times. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7013] [Page 364] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7013 Covering or guarding drill holes. Drill holes large enough to constitute a hazard shall be covered or guarded. ...


hold the drill steel while collaring holes, or rest their hands on the chuck or centralizer while drilling. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7028] [Page 364] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7028 Hand clearance. Persons shall not rest their hands on the chuck or centralizer while drilling. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7032] [Page 364] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7032 Anchoring. Columns and the drills mounted on them shall be anchored firmly before and during drilling. Drilling--Surface and Underground ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7050] [Page 364] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7050 Tool and drill steel racks. Receptacles or racks shall be provided for drill steel and tools stored or carried on drills. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7051] [Page 364] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7051 Loose objects on the mast or drill platform. To prevent injury to personnel, tools and other objects shall not be left loose on the mast or drill platform. ...


drill from-- (a) Positions which hinder their access to the control levers; (b) Insecure footing or insecure staging; or (c) Atop equipment not suitable...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7053] [Page 364] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7053 Moving hand-held drills. Before hand-held drills are moved from one working area to another, air shall be turned off and bled from the hose. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7054] [Page 364] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7054 Starting or moving drill equipment. Drill operators shall not start or move drilling equipment unless all miners are in the clear. ...


be drilled where there is a danger of intersecting a misfired hole or a hole containing explosives, blasting agents, or detonators. [56 FR 46517, Sept. 12, 1991; 56...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7056] [Page 364-365] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7056 Collaring in bootlegs. Holes shall not be collared in bootlegs. [56 FR 46517, Sept. 12, 1991] [[Page 365]] Rotary Jet Piercing--Surface Only ...


be provided with: (a) A system to pressurize the equipment operator's cab, when a cab is provided; and (b) A protective cover over the oxygen...


other suitable locking devices shall be provided across connections to and between high pressure oxygen hose lines of 1- inch inside diameter...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7803] [Page 365] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7803 Lighting the burner. A suitable means of protection shall be provided for the employee when lighting the burner. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7804] [Page 365] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7804 Refueling. When rotary jet piercing equipment requires refueling at locations other than fueling stations, a system for fueling without spillage shall be provided. ...


not smoke and open flames shall not be used in the vicinity of the oxygen storage and supply lines. Signs warning against smoking and open flames shall be posted in...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.7806] [Page 365] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart F--Drilling and Rotary Jet Piercing Sec. 57.7806 Oxygen intake coupling. The oxygen intake coupling on jet piercing drills shall be constructed so that only the oxygen hose can be coupled to it. ...


The combustion chamber of a jet drill stem which has been sitting unoperated in a drill hole shall be flushed with a suitable solvent after the stem is...


Surface and Underground (a) All mine main and booster fans installed and used to ventilate the active workings of the mine shall be operated continuously while...


fans shall have controls placed at a suitable protected location remote from the fan and preferably on the surface. ...


system shall be set out by the operator in written form. Revisions of the system [[Page 366]] shall be noted and updated at least annually. The ventilation plan...


according to either the manufacturer's recommendations or a written periodic schedule adopted by the operator which shall be available at the operation on request of...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.8527] [Page 366] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart G--Ventilation Sec. 57.8527 Oxygen-deficiency testing. Flame safety lamps or other suitable devices shall be used to test for acute oxygen deficiency. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.8528] [Page 366] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart G--Ventilation Sec. 57.8528 Unventilated areas. Unventilated areas shall be sealed, or barricaded and posted against entry. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.8529] [Page 366] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart G--Ventilation Sec. 57.8529 Auxiliary fan systems When auxiliary fan systems are used, such systems shall minimize recirculation and be maintained to provide ventilation air that effectively sweeps the working places. ...


Ventilation doors shall be-- (a) Substantially constructed; (b) Covered with fire-retardant material, if constructed of wood; (c) Maintained in good...


control doors are opened as a part of the normal mining cycle, they shall be closed as soon as possible to re-establish normal ventilation to working...


fans installed and used to ventilate the active workings of the mine shall be operated continuously while persons are underground in the active workings, except for...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.8535] [Page 367] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart G--Ventilation Sec. 57.8535 Seals. Seals shall be provided with a means for checking the quality of air behind the seal and a means to prevent a water head from developing unless the seal is designed to impound water. ...


25, 1988, unless otherwise noted. The following definitions apply in this subpart: Berm. A pile or mound of material along an elevated roadway capable...


safe movement of self-propelled mobile equipment- - (a) Rules governing speed, right-of-way, direction of movement, and the use of headlights to assure appropriate...


Operators of self-propelled mobile equipment shall maintain control of the equipment while it is in motion. Operating speeds shall be consistent with conditions of...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.9102] [Page 367] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 57.9102 Movement of independently operating rail equipment. Movement of two or more pieces of rail equipment operating independently on the same track shall be controlled for safe operation. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.9103] [Page 367] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 57.9103 Clearance on adjacent tracks. Railcars shall not be left on side tracks unless clearance is provided for traffic on adjacent tracks. ...


crossings shall be posted with warning signs or signals, or shall be guarded when trains are passing. These crossings shall also be planked or filled between...


During shift changes, the movement of underground trains carrying rock or material shall be limited to areas where the trains do not present a hazard to persons...


be transported-- (a) In or on dippers, forks, clamshells, or buckets except shaft buckets during shaft-sinking operations or during inspection, maintenance and repair...


supplies. Equipment and supplies shall be loaded, transported, and unloaded in a manner which does not create a hazard to persons from falling or shifting equipment...


Large rocks shall be broken before loading if they could endanger persons or affect the stability of mobile equipment. Mobile equipment used for haulage of mined material shall be...


Supplies, materials, and tools, other than small items that can be carried by hand, shall not be transported underground with persons in mantrips. Mantrips shall be...


Tools or materials shall not be carried on top of locomotives underground except for secured rerailing devices located in a manner which does not create a hazard...


guardrails shall be provided and maintained on the banks of roadways where a drop-off exists of sufficient grade or depth to cause a vehicle to overturn or endanger persons...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.9301] [Page 369] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 57.9301 Dump site restraints. Berms, bumper blocks, safety hooks, or similar impeding devices shall be provided at dumping locations where there is a hazard of overtravel or overturning. ...


Stopblocks, derail devices, or other devices that protect against moving or runaway rail equipment shall be installed wherever necessary to...


Ramps and dumping facilities shall be designed and constructed of materials capable of supporting the loads to which they will be subjected. The ramps and dumping...


be visually inspected prior to work commencing and as ground conditions warrant. (b) Where there is evidence that the ground at a dumping location may fail to...


used, they shall be in the clear while trucks are backing into dumping position or dumping. (b) Spotters shall use signal lights to direct trucks where visibility...


Where restricted clearance creates a hazard to persons on mobile equipment, warning devices shall be installed in advance of the restricted area and the restricted area shall...


Roadbeds and all elements of the railroad tracks shall be designed, installed, and maintained to provide safe operation consistent with the speed and type of...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.9308] [Page 369] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 57.9308 Switch throws. Switch throws shall be installed to provide clearance to protect switchmen from contact with moving trains. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.9309] [Page 369] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 57.9309 Chute design. Chute-loading installations shall be designed to provide a safe location for persons pulling chutes. ...


persons who could be affected by the draw or otherwise exposed to danger shall be warned and given time to clear the hazardous area. (b) Persons attempting to...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.9311] [Page 370] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 57.9311 Anchoring stationary sizing devices. Grizzlies and other stationary sizing devices shall be securely anchored. ...


or safety lines are used, persons shall not position themselves over drawholes if there is danger that broken rock or material may be withdrawn...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.9313] [Page 370] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 57.9313 Roadway maintenance. Water, debris, or spilled material on roadways which creates hazards to the operation of mobile equipment shall be removed. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.9314] [Page 370] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 57.9314 Trimming stockpile and muckpile faces. Stockpile and muckpile faces shall be trimmed to prevent hazards to persons. ...


muck piles, material transfer points, crushers, and on haulage roads where hazards to persons would be created as a result of...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.9316] [Page 370] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 57.9316 Notifying the equipment operator. When an operator of self-propelled mobile equipment is present, persons shall notify the equipment operator before getting on or off that equipment. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.9317] [Page 370] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 57.9317 Suspended loads. Persons shall not work or pass under the buckets or booms of loaders in operation. ...


Persons shall not get on or off moving mobile equipment. This provision does not apply to trainmen, brakemen, and car droppers who are required to get on or off slowly moving trains...


Persons shall not go over, under, or between railcars unless-- (a) The train is stopped; and (b) The train operator, when present, is notified and the...


Continuous clearance of at least 30 inches from the farthest projection of moving railroad equipment shall be provided on at least one side of the tracks at all locations where...


be-- (1) Provided at intervals adequate to assure the safety of persons along underground haulageways where continuous clearance of at least 30 inches cannot be...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.9361] [Page 370] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 57.9361 Drawholes. To prevent hazards to persons underground, collars of open drawholes shall be free of muck or materials except during transfer of the muck or material through the drawhole. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.9362] [Page 370] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart H--Loading, Hauling, and Dumping Sec. 57.9362 Protection of signalmen. Signalmen used during slushing operations underground shall be located away from possible contact with cables, sheaves, and slusher buckets. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.10001] [Page 370] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 57.10001 Filling buckets. Buckets shall not be overloaded, and feed shall be regulated to prevent spillage. ...


maintenance of carriers (including loading and unloading mechanisms), ropes and supports, and brakes shall be performed by competent persons according to the recommendations of...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.10003] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 57.10003 Correction of defects. Any hazardous defects shall be corrected before the equipment is used. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.10004] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 57.10004 Brakes. Positive-action-type brakes and devices which apply the brakes automatically in the event of a power failure shall be provided on aerial tramways. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.10005] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 57.10005 Track cable connections. Track cable connections shall not obstruct the passage of carriage wheels. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.10006] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 57.10006 Tower guards. Towers shall be suitably protected from swaying buckets. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.10007] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 57.10007 Falling object protection. Guard nets or other suitable protection shall be provided where tramways pass over roadways, walkways, or buildings. ...


persons shall not ride aerial tramways unless the following features are provided. (a) Two independent brakes, each capable of holding the maximum load; ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.10009] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 57.10009 Riding loaded buckets. Persons shall not ride loaded buckets. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.10010] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart I--Aerial Tramways Sec. 57.10010 Starting precautions. Where possible, aerial tramways shall not be started until the operator has ascertained that everyone is in the clear. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11001] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11001 Safe access. Travelways--Surface and Underground Safe means of access shall be provided and maintained to all working places. ...


walkways, elevated ramps, and stairways shall be of substantial construction, provided with handrails, and maintained in good condition. Where necessary, toeboards shall...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11003] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11003 Construction and maintenance of ladders. Ladders shall be of substantial construction and maintained in good condition. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11004] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11004 Portable rigid ladders. Portable rigid ladders shall be provided with suitable bases and placed securely when used. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11005] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11005 Fixed ladder anchorage and toe clearance. Fixed ladders shall be anchored securely and installed to provide at least 3 inches of toe clearance. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11006] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11006 Fixed ladder landings. Fixed ladders shall project at least 3 feet above landings, or substantial handholds shall be provided above the landings. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11007] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11007 Wooden components of ladders. Wooden components of ladders shall not be painted except with a transparent finish. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11008] [Page 371] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11008 Restricted clearance. Where restricted clearance creates a hazard to persons, the restricted clearance shall be conspicuously marked. [53 FR 32528, Aug. 25, 1988] ...


outboard railings shall be provided wherever persons are required to walk alongside elevated [[Page 372]] conveyor belts. Inclined railed walkways shall be...


stair steps shall be a minimum of seven feet, or suitable warning signs or similar devices shall be provided to indicate an...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11011] [Page 372] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11011 Use of ladders. Persons using ladders shall face the ladders and have both hands free for climbing and descending. ...


Openings above, below, or near travelways through which persons or materials may fall shall be protected by railings, barriers, or covers. Where it is impractical to...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11013] [Page 372] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11013 Conveyor crossovers. Crossovers shall be provided where it is necessary to cross conveyors. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11014] [Page 372] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11014 Crossing moving conveyors. Moving conveyors shall be crossed only at designated crossover points. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11016] [Page 372] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11016 Snow and ice on walkways and travelways. Regularly used walkways and travelways shall be sanded, salted, or cleared of snow and ice as soon as practicable. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11017] [Page 372] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11017 Inclined fixed ladders. Fixed ladders shall not incline backwards. Travelways--Surface Only ...


fixed ladders. Fixed ladders, except on mobile equipment, shall be offset and have substantial railed landings at least every 30 feet unless backguards or...


Fixed ladders 70 degrees to 90 degrees from the horizonal and 30 feet or more in length shall have backguards, cages or equivalent protection, starting at a point not more...


Scaffolds and working platforms shall be of substantial construction and provided with handrails and maintained in good condition. Floorboards shall be laid properly and the scaffolds...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11036] [Page 372] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11036 Ladderway trap doors and guards. Trap doors or adequate guarding shall be provided in ladderways at each level. Doors shall be kept operable. ...


after November 15, 1979, shall have a minimum unobstructed cross-sectional opening of 24 inches by 24 inches measured from the face of...


manway where persons may be working or traveling, a warning shall be given by the person entering the manway and acknowledged by any person present in...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.11040] [Page 372] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart J--Travelways and Escapeways Sec. 57.11040 Inclined travelways. Travelways steeper than 35 degrees from the horizontal shall be provided with ladders or stairways. ...


Fixed ladders with an inclination of more than 70 degrees from the horizontal shall be offset with substantial landings at least every 30 feet or have landing gates at least every...


shall have two or more separate, properly maintained escapeways to the surface from the lowest levels which are so positioned that damage to one shall not lessen the...


(a) Inspected at regular intervals and maintained in safe, travelable condition; and (b) Marked with conspicuous and easily read direction signs that...


(a) Of fire-resistant construction, preferably in untimbered areas of the mine; (b) Large enough to accommodate readily the normal number of persons in the...


escape and evacuation plan and revisions thereof suitable to the conditions and mining system of the mine and showing assigned responsibilities of all key personnel in the event...


Telephone or other voice communication shall be provided between the surface and refuge chambers and such systems shall be independent of the mine power...


a designated escapeway which is inclined more than 30 degrees from the horizontal and that is more than 300 feet in vertical extent shall be provided with an emergency...


inspection, testing and maintenance required by standard 57.19120 shall be utilized at least every 30 days for hoists designated as emergency hoists in any...


of an underground mine shall establish a check-in and check-out system which shall provide an accurate record of persons in the mine. These records shall be kept on the...


For the protection of operators of hoists located underground which are part of the mine escape and evacuation plan required under standard 57.11053, the...


Surface and Underground Circuits shall be protected against excessive overloads by fuses or circuit breakers of the correct type...


circuits shall be provided with switches or other controls. Such switches or controls shall be of approved design and construction and shall be properly...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12003] [Page 375] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12003 Trailing cable overload protection. Individual overload protection or short circuit protection shall be provided for the trailing cables of mobile equipment. ...


be of a sufficient size and current- carrying capacity to ensure that a rise in temperature resulting from normal operations will not damage the insulating materials....


Mobile equipment shall not run over power conductors, nor shall loads be dragged over power conductors, unless the conductors are properly bridged...


be provided with a disconnecting device for each branch circuit. Such disconnecting devices shall be equipped or designed in such a manner that it can be determined by...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12007] [Page 375] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12007 Junction box connection procedures. Trailing cable and power-cable connections to junction boxes shall not be made or broken under load. ...


Power wires and cables shall be insulated adequately where they pass into or out of electrical compartments. Cables shall enter metal frames of motors, splice boxes,...


Telephone and low-potential signal wire shall be protected, by isolation or suitable insulation, or both, from contacting energized power conductors or any other...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12011] [Page 375] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12011 High-potential electrical conductors. High-potential electrical conductors shall be covered, insulated, or placed to prevent contact with low potential conductors. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12012] [Page 375] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12012 Bare signal wires. The potential on bare signal wires accessible to contact by persons shall not exceed 48 volts. ...


and repairs made in power cables, including the ground conductor where provided, shall be-- (a) Mechanically strong with electrical conductivity as near as...


energized to potentials in excess of 150 volts, phase- to-ground, shall not be moved with equipment unless sleds or slings, insulated from such equipment, are used. When...


Electrically powered equipment shall be deenergized before mechanical work is done on such equipment. Power switches shall be locked out or other measures taken which...


be deenergized before work is done on such circuits unless hot-line tools are used. Suitable warning signs shall be posted by the individuals who are to do the work. Switches...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12018] [Page 376] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12018 Identification of power switches. Principal power switches shall be labeled to show which units they control, unless identification can be made readily by location. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12019] [Page 376] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12019 Access to stationary electrical equipment or switchgear. Where access is necessary, suitable clearance shall be provided at stationary electrical equipment or switchgear. ...


platforms, insulating mats, or other electrically- nonconductive material shall be kept in place at all switchboards and power-control switches where shock hazards exist....


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12021] [Page 376] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12021 Danger signs. Suitable danger signs shall be posted at all major electrical installations. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12022] [Page 376] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12022 Authorized persons at major electrical installations. Areas containing major electrical installations shall be entered only by authorized persons. ...


Electrical connections and resistor grids that are difficult or impractical to insulate shall be guarded, unless protection is provided...


or encasing electrical circuits shall be grounded or provided with equivalent protection. This requirement does not apply to...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12026] [Page 376] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12026 Grounding transformer and switchgear enclosures. Metal fencing and metal buildings enclosing transformers and switchgear shall be grounded. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12027] [Page 376] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12027 Grounding mobile equipment. Frame grounding or equivalent protection shall be provided for mobile equipment powered through trailing cables. ...


resistance of grounding systems shall be tested immediately after installation, repair, and modification; and annually thereafter. A record of the resistance measured during the...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12030] [Page 376] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12030 Correction of dangerous conditions. When a potentially dangerous condition is found it shall be corrected before equipment or wiring is energized. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12032] [Page 376] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12032 Inspection and cover plates. Inspection and cover plates on electrical equipment and junction boxes shall be kept in place at all times except during testing or repairs. [[Page 377]] ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12033] [Page 377] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12033 Hand-held electric tools. Hand-held electric tools shall not be operated at high potential voltages. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12034] [Page 377] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12034 Guarding around lights. Portable extension lights, and other lights that by their location present a shock or burn hazard, shall be guarded. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12035] [Page 377] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12035 Weatherproof lamp sockets. Lamp sockets shall be of a weatherproof type where they are exposed to weather or wet conditions that may interfere with illumination or create a shock hazard. ...


be removed or replaced by hand in an energized circuit, and they shall not otherwise be removed or replaced in an energized circuit unless equipment and techniques...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12037] [Page 377] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12037 Fuses in high-potential circuits. Fuse tongs or hotline tools, shall be used when fuses are removed or replaced in high-potential circuits. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12038] [Page 377] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12038 Attachment of trailing cables. Trailing cables shall be attached to machines in a suitable manner to protect the cable from damage and to prevent strain on the electrical connections. ...


Surplus trailing cables to shovels, cranes and similar equipment shall be-- (a) Stored in cable boats; (b) Stored on reels mounted on the equipment; or (c)...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12040] [Page 377] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12040 Installation of operating controls. Operating controls shall be installed so that they can be operated without danger of contact with energized conductors. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12041] [Page 377] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12041 Design of switches and starting boxes. Switches and starting boxes shall be of safe design and capacity. ...


welded at every joint and rails shall be crossbonded at least every 200 feet if the track serves as the return trolley circuit. When rails are moved, replaced, or broken bonds...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12045] [Page 377] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12045 Overhead powerlines. Overhead high-potential powerlines shall be installed as specified by the National Electrical Code. ...


transmission lines shall meet the requirements for grounding or insulator protection of the National Electrical Safety Code, part 2, entitled ``Safety Rules for...


Telegraph, telephone, or signal wires shall not be installed on the same crossarm with power conductors. When carried on poles supporting powerlines, they shall be installed as...


shall be installed at least seven feet above rails where [[Page 378]] height permits, and aligned and supported to suitably control sway...


for lighting circuits powered from trolley wires shall be connected securely to the ground return circuit. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12065] [Page 378] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12065 Short circuit and lightning protection. Powerlines, including trolley wires, and telephone circuits shall be protected against short circuits and lightning. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12066] [Page 378] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12066 Guarding trolley wires and bare powerlines. Where metallic tools or equipment can come in contact with trolley wires or bare powerlines, the lines shall be guarded or deenergized. ...


be totally enclosed, or shall be placed at least 8 feet above the ground, or installed in a transformer house, or surrounded by a substantial fence at least 6 feet high and...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12068] [Page 378] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12068 Locking transformer enclosures. Transformer enclosures shall be kept locked against unauthorized entry. ...


Each ungrounded conductor or telephone wire that leads underground and is directly exposed to lightning shall be equipped with suitable lightning arrestors...


When equipment must be moved or operated near energized high-voltage powerlines (other than trolley lines) and the clearance is less than 10 feet, the lines...


power conductors shall be guarded at mantrip loading and unloading points, and at shaft stations. Where such trolley wires and bare power conductors are less than 7 feet above...


All metal pipelines, 1,000 feet or more in length running parallel to trolley tracks, that are used as a ground return circuit shall be bonded to the return circuit rail at...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12082] [Page 378] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12082 Isolation of powerlines. Powerlines shall be well separated or insulated from waterlines, telephone lines and air lines. ...


Power cables in shafts and boreholes shall be fastened securely in such a manner as to prevent undue strain on the sheath, insulation,...


switches that can be opened safely under load shall be provided underground at all branch circuits extending from primary power circuits near shafts, adits, levels...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.12085] [Page 378] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart K--Electricity Sec. 57.12085 Transformer stations. Transformer stations shall be enclosed to prevent persons from unintentionally or inadvertently contacting energized parts. [[Page 379]] ...


feeder wire shall be installed opposite the clearance side of haulageways. However, this standard does not apply where physical limitations would prevent the safe installation...


vulcanized splice or its equivalent, shall be made in a trailing cable within 25 feet of the machine unless the machine is equipped with a cable reel or other power feed...


All boilers and pressure vessels shall be constructed, installed, and maintained in accordance with the standards and specifications of the American Society...


(a) Reciprocating-type air compressors rated over 10 horsepower shall be equipped with automatic temperature-actuated shutoff mechanisms which shall be set or adjusted to...


shall be equipped with one or more automatic pressure-relief valves. The total relieving capacity of the relief valves shall prevent pressure from exceeding the maximum...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.13012] [Page 379] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart L--Compressed Air and Boilers Sec. 57.13012 Compressor air intakes. Compressor air intakes shall be installed to ensure that only clean, uncontaminated air enters the compressors. ...


unfired pressure vessels. (a) Compressed-air receivers and other unfired pressure vessels shall be inspected by inspectors holding a valid National Board Commission...


pipes where carbon build-up may occur shall be cleaned periodically as recommended by the manufacturer, but no less frequently than once every...


the pressure system of compressors, receivers, or compressed-air-powered equipment shall not be attempted until the pressure has been bled...


compressed air be directed toward a person. When compressed air is used, all necessary precautions shall be taken to protect persons...


Except where automatic shutoff valves are used, safety chains or other suitable locking devices shall be used at connections to machines of high-pressure hose lines of \3/4\-inch...


(boilers) shall be equipped with water level gauges, pressure gauges, automatic pressure-relief valves, blowdown piping, and other safety devices approved by the...


25, 1988, unless otherwise noted. The following definitions apply in this subpart. Mobile equipment. Wheeled, skid-mounted, track-mounted, or...


(a) Self-propelled mobile equipment to be used during a shift shall be inspected by the equipment operator before being placed in operation on that shift. ...


Self-propelled mobile equipment shall be equipped with a service brake system capable of stopping and holding the equipment with its typical load on the maximum grade it...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.14102] [Page 383] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart M--Machinery and Equipment Sec. 57.14102 Brakes for rail equipment. Braking systems on railroad cars and locomotives shall be maintained in functional condition. ...


provided on operators' stations of self-propelled mobile equipment, the windows shall be made of safety glass or material with equivalent safety characteristics. The windows...


removed from a vehicle for tire repair, the valve core shall be partially removed to allow for gradual deflation and then removed. During deflation, to the extent possible, persons...


Repairs or maintenance on machinery or equipment shall be performed only after the power is off, and the machinery or equipment blocked against hazardous motion. Machinery...


front-end loaders, and bulldozers shall be provided with falling object protective structures if used in an area where falling objects could create a hazard to...


parts shall be guarded to protect persons from contacting gears, sprockets, chains, drive, head, tail, and takeup pulleys, flywheels, coupling, shafts, fan blades; and...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.14108] [Page 383] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart M--Machinery and Equipment Sec. 57.14108 Overhead drive belts. Overhead drive belts shall be guarded to contain the whipping action of a broken belt if that action could be hazardous to persons. ...


Unguarded conveyors next to travelways shall be equipped with-- (a) Emergency stop devices which are located so that a person falling on or against the conveyor...


where flying or falling materials generated from the operation of screens, crushers, or conveyors present a hazard, guards, shields, or other devices that provide protection...


(a) When persons are exposed to slushing operations, the slushers shall be equipped with rollers and drum covers and anchored securely before slushing operations are started...


(a) Guards shall be constructed and maintained to-- (1) Withstand the vibration, shock, and wear to which they will be subjected during normal operation; and (2)...


Backstops or brakes shall be installed on drive units of inclined conveyors to prevent the conveyors from running in reverse, creating a hazard...


A manual master quick-close type air valve shall be installed on all pneumatic-powered equipment if there is a hazard of uncontrolled movement when the air supply is activated....


machines, other than special bit grinders, shall be equipped with-- (a) Peripheral hoods capable of withstanding the force of a bursting wheel and enclosing...


disc sanders, grinders and circular and chain saws, when used in the hand-held mode shall be operated with controls which require constant hand or finger pressure. ...


belts for surface equipment. (a) Equipment included. Roll-over protective structures (ROPS) and seat belts shall be installed on-- (1) Crawler tractors and...


(a) Seat belts shall be provided and worn in haulage trucks. (b) Seat belts shall be maintained in functional condition, and replaced when necessary to assure...


(a) Manually-operated horns or other audible warning devices provided on self-propelled mobile equipment as a safety device shall be maintained in a...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.14160] [Page 386] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart M--Machinery and Equipment Sec. 57.14160 Mantrip trolley wire hazards underground. Mantrips shall be covered if there is danger of persons contacting the trolley wire. ...


underground rail equipment shall be designed for that equipment, except that makeshift couplings may be used to move disabled rail equipment for repairs if no hazard to persons...


trip lights shall be used on the rear of pulled trips and on the front of pushed trips. Safety Practices and...


Before starting crushers or moving self-propelled mobile equipment, equipment operators shall sound a warning that is audible above the surrounding noise level or use...


the entire length of a conveyor is visible from the starting switch, the conveyor operator shall visually check to make certain that all persons are in the clear before starting...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.14202] [Page 386] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart M--Machinery and Equipment Sec. 57.14202 Manual cleaning of conveyor pulleys. Pulleys of conveyors shall not be cleaned manually while the conveyor is in motion. ...


shall not be applied manually while belts are in motion unless a pressurized-type applicator is used that allows the dressing to be applied from outside...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.14204] [Page 387] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart M--Machinery and Equipment Sec. 57.14204 Machinery lubrication. Machinery or equipment shall not be lubricated manually while it is in motion where application of the lubricant may expose persons to injury. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.14205] [Page 387] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart M--Machinery and Equipment Sec. 57.14205 Machinery, equipment, and tools. Machinery, equipment, and tools shall not be used beyond the design capacity intended by the manufacturer, where such use may create a hazard to persons. ...


mobile equipment between workplaces, booms, forks, buckets, beds, and similar movable parts of the equipment shall be positioned in the travel mode and, if required for safe...


Mobile equipment shall not be left unattended unless the controls are placed in the park position and the parking brake, if provided, is set. When parked on a grade, the...


shall be used when parked mobile equipment creates a hazard to persons in other mobile equipment. (b) Mobile equipment, other than forklifts, carrying loads...


properly sized tow bar or other effective means of control shall be used to tow mobile equipment. (b) Unless steering and braking are under the control of the equipment...


suspended loads. (a) Dippers, buckets, loading booms, or suspended loads shall not be swung over the operators' stations of self-propelled mobile equipment until...


(a) Persons shall not work on top of, under, or work from mobile equipment in a raised position until the equipment has been blocked or mechanically secured to prevent it...


ropes, and drive belts shall be guided mechanically onto moving pulleys, sprockets, or drums except where equipment is designed specifically for...


(a) Welding operations shall be shielded when performed at locations where arc flash could be hazardous to persons. (b) All welding operations shall...


above the surrounding noise level shall be sounded-- (a) Immediately prior to moving trains; (b) When trains approach persons, crossing, other trains on...


coupling or uncoupling cars manually, trains shall be brought to a complete stop, and then moved at minimum tram speed until the coupling or uncoupling activity is completed....


prohibited except where there is inadequate clearance to reverse the trolley pole. Where backpoling is required, it shall be done only at the minimum tram speed of...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.14217] [Page 388] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart M--Machinery and Equipment Sec. 57.14217 Securing parked railcars. Parked railcars shall be blocked securely unless held effectively by brakes. ...


When a locomotive on one track is used to move rail equipment on adjacent tracks, a chain, cable, or drawbar shall be used which is capable of withstanding the loads to which...


the direction of a brakeman and the train operator cannot clearly recognize the brakeman's signals, the train operator shall bring the train to a stop. Appendix I...


Surface and Underground Adequate first-aid materials, including stretchers and blankets shall be provided at places convenient to all working areas. Water...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.15002] [Page 388] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart N--Personal Protection Sec. 57.15002 Hard hats. All persons shall wear suitable hard hats when in or around a mine or plant where falling objects may create a hazard. [[Page 389]] ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.15003] [Page 389] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart N--Personal Protection Sec. 57.15003 Protective footwear. All persons shall wear suitable protective footwear when in or around an area of a mine or plant where a hazard exists which could cause an injury to the feet. ...


safety glasses, goggles, or face shields or other suitable protective devices when in or around an area of a mine or plant where a hazard exists which could cause injury to...


lines shall be worn when persons work where there is danger of falling; a second person shall tend the lifeline when bins, tanks, or other dangerous areas...


Special protective equipment and special protective clothing shall be provided, maintained in a sanitary and reliable condition and used whenever hazards...


working with molten metal. Protective clothing or equipment and face shields or goggles shall be worn when welding, cutting, or working with...


Face shields or goggles in good condition shall be worn when operating a grinding wheel. [53 FR 32533, Aug. 25, 1988] ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.15020] [Page 389] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart N--Personal Protection Sec. 57.15020 Life jackets and belts. Life jackets or belts shall be worn where there is danger from falling into water. Underground Only ...


A 1-hour self-rescue device approved by MSHA and NIOSH under 42 CFR part 84 shall be made available by the operator to all personnel underground. Each operator...


as provided in paragraph (b) and (c) of this section, self-rescue devices meeting the requirements of standard 57.15030 shall be worn or carried by all persons underground. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.16001] [Page 389] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart O--Materials Storage and Handling Sec. 57.16001 Stacking and storage of materials. Supplies shall not be stacked or stored in a manner which creates tripping or fall-of-material hazards. ...


(a) Bins, hoppers, silos, tanks, and surge piles, where loose unconsolidated materials are stored, handled or transferred shall be-- (1) Equipped with...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.16003] [Page 390] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart O--Materials Storage and Handling Sec. 57.16003 Storage of hazardous materials. Materials that can create hazards if accidentally liberated from their containers shall be stored in a manner that minimizes the dangers. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.16004] [Page 390] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart O--Materials Storage and Handling Sec. 57.16004 Containers for hazardous materials. Containers holding hazardous materials must be of a type approved for such use by recognized agencies. [67 FR 42389, June 21, 2002] ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.16005] [Page 390] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart O--Materials Storage and Handling Sec. 57.16005 Securing gas cylinders. Compressed and liquid gas cylinders shall be secured in a safe manner. ...


Valves on compressed gas cylinders shall be protected by covers when being transported or stored, and by a safe location when the cylinders are...


(a) Taglines shall be attached to loads that may require steadying or guidance while suspended. (b) Hitches and slings used to hoist materials shall be suitable for...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.16009] [Page 390] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart O--Materials Storage and Handling Sec. 57.16009 Suspended loads. Persons shall stay clear of suspended loads. ...


To protect personnel, material shall not be dropped from an overhead elevation until the drop area is first cleared of personnel and the area is then either guarded or a...


Persons shall not ride on loads being moved by cranes or derricks, nor shall they ride the hoisting hooks unless such method eliminates a...


Chemical substances, including concentrated acids and alkalies, shall be stored to prevent inadvertent contact with each other or with other substances, where such contact...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.16013] [Page 390] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart O--Materials Storage and Handling Sec. 57.16013 Working with molten metal. Suitable warning shall be given before molten metal is poured and before a container of molten metal is moved. ...


Operator-carrying overhead cranes shall be provided with-- (a) Bumpers at each end of each rail; (b) Automatic switches to halt uptravel of the blocks before they...


No person shall work from or travel on the bridge of an overhead crane unless the bridge is provided with substantial footwalks with toeboards and railings the length of...


types of lift trucks shall be operated with the: (a) Upright tilted back to steady and secure the load; [[Page 391]] (b) Load in the upgrade...


Where the stretching or contraction of a hoist rope could create a hazard, chairs or other suitable blocking shall be used to support conveyances at shaft landings before...


Illumination sufficient to provide safe working conditions shall be provided in and on all surface structures, paths, walkways, stairways, switch panels, loading and dumping...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.17010] [Page 391] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart P--Illumination Sec. 57.17010 Electric lamps. Individual electric lamps shall be carried for illumination by all persons underground. ...


Surface and Underground (a) A competent person designated by the operator shall examine each working place at least once each shift for conditions which...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.18006] [Page 391] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart Q--Safety Programs Sec. 57.18006 New employees. New employees shall be indoctrinated in safety rules and safe work procedures. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.18009] [Page 391] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart Q--Safety Programs Sec. 57.18009 Designation of person in charge. When persons are working at the mine, a competent person designated by the mine operator shall be in attendance to take charge in case of an emergency. ...


first aid shall be available on all shifts. The individual shall be currently trained and have the skills to perform patient assessment and artificial respiration;...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.18012] [Page 391] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart Q--Safety Programs Sec. 57.18012 Emergency telephone numbers. Emergency telephone numbers shall be posted at appropriate telephones. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.18013] [Page 391] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart Q--Safety Programs Sec. 57.18013 Emergency communications system. A suitable communication system shall be provided at the mine to obtain assistance in the event of an emergency. ...


Arrangements shall be made in advance for obtaining emergency medical assistance and transportation for injured persons. ...


assigned, or allowed, or be required to perform work alone in any area where hazardous conditions exist that would endanger his safety unless he can communicate with others, can...


or allowed, or be required to perform work alone in any area where hazardous conditions exist that would endanger his safety unless his cries for help can be heard or he can...


(a) On an annual basis, all persons who are required to go underground shall be instructed in the Mine Safety and Health Administration approved course contained in Bureau of...


in this subpart apply to those hoists and appurtenances used for hoisting persons. However, where persons may be endangered by hoists and appurtenances used solely for...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19001] [Page 392] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19001 Rated capacities. Hoists shall have rated capacities consistent with the loads handled and the recommended safety factors of the ropes used. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19002] [Page 392] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19002 Anchoring. Hoists shall be anchored securely. [[Page 393]] ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19003] [Page 393] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19003 Driving mechanism connections. Belt, rope, or chains shall not be used to connect driving mechanisms to man hoists. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19004] [Page 393] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19004 Brakes. Any hoist used to hoist persons shall be equipped with a brake or brakes which shall be capable of holding its fully loaded cage, skip, or bucket at any point in the shaft. ...


mechanism of the clutch of every man-hoist drum shall be provided with a locking mechanism, or interlocked electrically or mechanically with the brake to prevent...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19006] [Page 393] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19006 Automatic hoist braking devices. Automatic hoists shall be provided with devices that automatically apply the brakes in the event of power failure. ...


man hoists shall be provided with devices to prevent overtravel. When utilized in shafts exceeding 100 feet in depth, such hoists shall also be provided with...


Where creep or slip may alter the effective position of safety devices, friction hoists shall be equipped with synchronizing mechanisms that recalibrate the overtravel devices...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19009] [Page 393] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19009 Position indicator. An accurate and reliable indicator of the position of the cage, skip, bucket, or cars in the shaft shall be provided. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19010] [Page 393] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19010 Location of hoist controls. Hoist controls shall be placed or housed so that the noise from machinery or other sources will not prevent hoistmen from hearing signals. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19011] [Page 393] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19011 Drum flanges. Flanges on drums shall extend radially a minimum of 4 inches or three rope diameters beyond the last wrap, whichever is the lesser. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19012] [Page 393] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19012 Grooved drums. Where grooved drums are used, the grooves shall be of suitable size and pitch for the ropes used. ...


Where any diesel or similar fuel-injection engine is used to power a hoist, the engine shall be equipped with a damper or other cutoff in its air intake system. The...


In a friction hoist installation, tapered guides or other approved devices shall be installed above and below the limits of regular travel of the conveyance and arranged to...


Each electric hoist shall be equipped with a manually-operable switch that will initiate emergency braking action to bring the conveyance and the counterbalance safely to rest....


overtravel by-pass switch is installed, the switch shall function so as to allow the conveyance to be moved through the overtravel position when the switch is held in the...


shafts for personnel hoisting applications other than shaft development, the nominal strength (manufacturer's published catalog strength) of the guide rope at installation...


nominal strength (manufacturer's published catalog strength) of wire ropes used for hoisting shall meet the minimum rope strength values obtained by the following formulas...


stretch but before visible wear occurs, the rope diameter of newly installed wire ropes shall be measured at least once in every third interval of active length and the...


calendar days, each wire rope in service shall be visually examined along its entire active length for visible structural damage, corrosion, and improper lubrication...


deterioration is removed by cutoff, wire ropes shall be removed from service when any of the following conditions occurs: (a) The number of broken wires within a rope...


be attached to the load by a method that develops at least 80 percent of the nominal strength of the rope. (b) Except for terminations where use of other materials is a...


attachment, wire rope shall be attached-- (1) Securely by clips after making one full turn around the drum spoke; (2) Securely by clips after making one full turn around...


deteriorated wire rope shall be removed by cutoff and the rope reterminated where there is-- (a) More than one broken wire at an attachment; (b) Improper installation...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19028] [Page 395] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19028 End attachment replacement. Wire rope attachments shall be replaced when cracked, deformed, or excessively worn. ...


attachments to hoist ropes shall be selected, installed, and maintained according to manufacturers' specifications to minimize internal corrosion and weakening of the...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19035] [Page 395] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19035 Headframe design. All headframes shall be constructed with suitable design considerations to allow for all dead loads, live loads, and wind loads. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19036] [Page 395] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19036 Headframe height. Headframes shall be high enough to provide clearance for overtravel and safe stopping of the conveyance. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19037] [Page 395] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19037 Fleet angles. Fleet angles on hoists installed after November 15, 1979, shall not be greater than one and one-half degrees for smooth drums or two degrees for grooved drums. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19038] [Page 395] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19038 Platforms around elevated head sheaves. Platforms with toeboards and handrails shall be provided around elevated head sheaves. Conveyances ...


for hoisting or lowering employees or other persons in any vertical shaft or any incline [[Page 396]] shaft with an angle of inclination of forty-five degrees...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19049] [Page 396] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19049 Hoisting persons in buckets. Buckets shall not be used to hoist persons except during shaft sinking operations, inspection, maintenance, and repairs. ...


hoist persons during vertical shaft sinking operations shall-- (a) Be securely attached to a crosshead when traveling in either direction between the lower and upper...


in shafts other than in shaft sinking operations, the rope guides shall be a type of lock coil construction. ...


When a manually operated hoist is used, a qualified hoistman shall remain within hearing of the telephone or signal device at all times while any person...


When automatic hoisting is used, a competent operator of the hoist shall be readily available at or near the hoisting device while any person...


No person shall operate a hoist unless within the preceding 12 months he has had a medical examination by a qualified, licensed physician who shall certify his fitness to perform...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19058] [Page 396] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19058 Experienced hoist operators. Only experienced hoistmen shall operate the hoist except in cases of emergency and in the training of new hoistmen. ...


for hoisting persons shall be determined for each shaft, and this speed shall not be exceeded. Persons shall not be hoisted at a speed faster than 2,500 feet per minute, except in...


Maximum normal operating acceleration and deceleration shall not exceed 6 feet per second per second. During emergency braking, the deceleration shall not exceed 16 feet per second...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19063] [Page 396] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19063 Persons allowed in hoist room. Only authorized persons shall be in hoist rooms. ...


[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR57.19065] [Page 396] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents Subpart R--Personnel Hoisting Sec. 57.19065 Lowering conveyances by the brakes. Conveyances shall not be lowered by the brakes alone except during emergencies. ...