30 C.F.R. PART 75--MANDATORY SAFETY STANDARDS--UNDERGROUND COAL MINES
TITLE 30--Mineral Resources
CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
SUBCHAPTER O--COAL MINE SAFETY AND HEALTH
PART 75--MANDATORY SAFETY STANDARDS--UNDERGROUND COAL MINES
Subpart A--GENERAL
Subpart B--QUALIFIED AND CERTIFIED PERSONS
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| Tests for methane and for oxygen deficiency; qualified person.
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| Tests for methane; qualified person; additional requirement.
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| Tests of air flow; qualified person.
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| Electrical work; qualified person.
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| Repair of energized surface high voltage lines; qualified person.
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| Qualified hoisting engineer; qualifications.
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| Records of certified and qualified persons.
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| Plans for training programs.
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Subpart C--ROOF SUPPORT
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| Protection from falls of roof, face and ribs.
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| Installation of roof support using mining machines with integral roof bolters.
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| Conventional roof support.
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| Automated Temporary Roof Support (ATRS) systems.
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| Manual installation of temporary support.
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| Roof testing and scaling.
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| Rehabilitation of areas with unsupported roof.
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| Supplemental support materials, equipment and tools.
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| Roof control plan information.
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| Roof control plan-approval criteria.
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| Evaluation and revision of roof control plan.
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Subpart D--VENTILATION
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| Installation of main mine fans.
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| Main mine fan examinations and records.
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| Main mine fan stoppage with persons underground.
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| Air quality detectors and measurement devices.
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| Harmful quantities of noxious gases.
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| Actions for excessive methane.
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| Intentional changes in the ventilation system.
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| Air courses and trolley haulage systems.
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| Face ventilation control devices.
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| Auxiliary fans and tubing.
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| Working sections and working places.
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| Worked-out areas and areas where pillars are being recovered.
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| Underground electrical installations.
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| Direct-fired intake air heaters.
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| Belt air course ventilation.
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| Atmospheric monitoring systems.
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| Actions in response to AMS malfunction, alert, or alarm signals.
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| Preshift examination at fixed intervals.
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| Supplemental examination.
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| Hazardous conditions; posting, correcting and recording.
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| Mine ventilation plan; submission and approval.
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| Mine ventilation plan; contents.
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| Escapeways; bituminous and lignite mines.
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| Escapeways; anthracite mines.
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| Mechanical escape facilities.
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| Escapeway maps and drills.
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| Longwall and shortwall travelways.
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| Boreholes in advance of mining.
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| Mining into inaccessible areas.
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Subpart E--COMBUSTIBLE MATERIALS AND ROCK DUSTING
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| Accumulation of combustible materials.
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| Abatement of dust; water or water with a wetting agent.
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| Excessive amounts of dust.
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| Maintenance of incombustible content of rock dust.
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| Exemption of anthracite mines.
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Subpart F--ELECTRICAL EQUIPMENT--GENERAL
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| Permissible electric equipment.
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| Other low horsepower electric face equipment.
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| Permissible electric face equipment; coal seams above water table.
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| Coal seams above the water table.
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| Permissible electric face equipment.
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| New openings; mines above water table and never classed gassy.
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| Permits for noncompliance.
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| Permissible electric face equipment; maintenance.
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| Statement listing all electric face equipment.
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| Permissibility of new, replacement, used, reconditioned, additional, and rebuilt electric face equipment.
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| Mines classed gassy; use and maintenance of permissible electric face equipment.
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| Electric face equipment; requirements for permissibility.
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| Electric face equipment; permissible condition; maintenance requirements.
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| Electric equipment other than power-connection points; outby the last open crosscut; return air; permissibility requirements.
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| Map of electrical system.
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| Changes in electric system map; recording.
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| Electric power circuit and electric equipment; deenergization.
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| Energized trolley wires; repair.
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| Repair of energized trolley wires; training.
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| Low-, medium-, or high-voltage distribution circuits and equipment; repair.
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| Electric equipment; examination, testing and maintenance.
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| Frequency of examinations.
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| Electric conductor; capacity and insulation.
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| Electric conductor; size.
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| Electrical connections or splices; suitability.
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| Cable fittings; suitability.
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| Communication wires and cables; installation; insulation; support.
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| Power wires and cables; insulation and protection.
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| Power wires and cables; insulation and protection.
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| Plans for insulation of existing bare power wires and cables.
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| Electric equipment and circuits; overload and short circuit protection.
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| Electric equipment and circuits; overload and short circuit protection; minimum requirements.
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| Incandescent lamps, overload and short circuit protection.
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| Main power circuits; disconnecting switches.
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| Main power circuits; disconnecting switches; locations.
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| Electric equipment; switches.
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| Lightning arresters; ungrounded and exposed power conductors and telephone wires.
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| Incandescent and fluorescent lamps.
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| Electric face equipment; deenergization.
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| Deenergization of self-propelled electric face equipment installation requirements.
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| Deenergization of self-propelled electric face equipment; performance requirements.
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| Automatic emergency-parking brakes.
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| Electric face equipment; electric equipment used in return air outby the last open crosscut; maximum level of alternating or direct electric current between frames of equipment.
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Subpart G--TRAILING CABLES
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| Trailing cables; flame resistance.
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| Approved cables; flame resistance.
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| Short circuit protection of trailing cables.
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| Short circuit protection; ratings and settings of circuit breakers.
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| Short circuit protection; use of fuses; approval by the Secretary.
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| Short circuit protection; dual element fuses; current ratings; maximum values.
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| Trailing cable junctions.
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| Temporary splice of trailing cable.
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| Permanent splicing of trailing cables.
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| Clamping of trailing cables to equipment.
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| Protection of trailing cables.
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| Breaking trailing cable and power cable connections.
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Subpart H--GROUNDING
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| Grounding metallic sheaths, armors, and conduits enclosing power conductors.
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| Approved methods of grounding.
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| Grounding metallic frames, casings, and other enclosures of electric equipment.
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| Approved methods of grounding of equipment receiving power from ungrounded alternating current power systems.
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| Approved method of grounding metallic frames, casings and other enclosures receiving power from single-phase 110-220-volt circuit.
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| Approved methods of grounding metallic frames, casings and other enclosures of electric equipment receiving power from direct current power systems with one polarity grounded.
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| Grounding wires; capacity of wires.
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| Use of grounding connectors.
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| Protection other than grounding.
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| Protection other than grounding; approved by an authorized representative of the Secretary.
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| Grounding offtrack direct-current machines and the enclosures of related detached components.
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| Approved method of grounding.
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| Approved grounding mediums.
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| Approved methods of grounding offtrack mobile, portable and stationary direct-current machines.
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| Other methods of protecting offtrack direct-current equipment; approved by an authorized representative of the Secretary.
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| Grounding frames of stationary high-voltage equipment receiving power from ungrounded delta systems.
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| Approved methods of grounding.
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| Work on high-voltage lines; deenergizing and grounding.
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| Work on high-voltage lines.
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| Repairs to energized surface high-voltage lines.
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| Work on energized high-voltage surface lines; reporting.
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| Installation of protective equipment.
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| Protective clothing; use and inspection.
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| Protective equipment; inspection.
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| Protective equipment; testing and storage.
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| Operating disconnecting or cutout switches.
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| Tying into energized high-voltage surface circuits.
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| Use of grounded messenger wires; ungrounded systems.
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| Deenergized underground power circuits; idle days--idle shifts.
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Subpart I--UNDERGROUND HIGH-VOLTAGE DISTRIBUTION
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| High-voltage circuits; circuit breakers.
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| Circuit breakers; location.
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| Approved circuit schemes.
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| Testing, examination and maintenance of circuit breakers; procedures.
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| Testing, examination, and maintenance of circuit breakers; record.
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| Protection of high-voltage circuits extending underground.
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| Fail safe ground check circuits on high-voltage resistance grounded systems.
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| Maximum voltage ground check circuits.
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| Ground check systems not employing pilot check wires; approval by the Secretary.
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| Underground high-voltage cables.
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| Connection of single-phase loads.
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| Installation of high-voltage transmission cables.
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| Identification of circuit breakers and disconnecting switches.
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| High-voltage trailing cables; splices.
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| High-voltage underground equipment; grounding.
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| Movement of high-voltage power centers and portable transformers; permit.
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| High-voltage power centers and transformers; record of examination.
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| High-voltage longwalls; scope.
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| Cable handling and support systems.
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| Use of insulated cable handling equipment.
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| Motor-starter enclosures; barriers and interlocks.
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| Electrical work; troubleshooting and testing.
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| Testing, examination and maintenance.
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| Underground high-voltage longwall cables.
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Subpart J--UNDERGROUND LOW- AND MEDIUM-VOLTAGE ALTERNATING CURRENT CIRCUITS
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| Low- and medium-voltage circuits serving three-phase alternating current equipment; circuit breakers.
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| Circuit breakers; location.
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| Approved circuit schemes.
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| Testing, examination, and maintenance of circuit breakers; procedures.
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| Testing, examination, and maintenance of circuit breakers; record.
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| Protection of low- and medium-voltage three-phase circuits used underground.
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| Low- and medium-voltage ground check monitor circuits.
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| Maximum voltage ground check circuits.
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| Approved ground check systems not employing pilot check wires.
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| Attachment of ground conductors and ground check wires to equipment frames; use of separate connections.
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| Identification of circuit breakers.
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| Connection of single-phase loads.
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| Trailing cables for mobile equipment, ground wires, and ground check wires.
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| Design of trailing cables for medium-voltage circuits.
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Subpart K--TROLLEY WIRES AND TROLLEY FEEDER WIRES
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| Devices for overcurrent protection; testing and calibration requirements; records.
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| Installation of electric equipment and conductors; permissibility.
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| Insulation of trolley wires, trolley feeder wires and bare signal wires; guarding of trolley wires and trolley feeder wires.
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| Other requirements for guarding of trolley wires and trolley feeder wires.
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| Requirements for movement of off-track mining equipment in areas of active workings where energized trolley wires or trolley feeder wires are present; pre-movement requirements; certified and qualified persons.
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Subpart L--FIRE PROTECTION
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| Type and quality of firefighting equipment.
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| Quantity and location of firefighting equipment.
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| Condition and examination of firefighting equipment.
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| Deluge-type water sprays, foam generators; main and secondary belt-conveyor drives.
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| Deluge-type water spray systems.
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| Installation of deluge-type sprays.
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| Installation of foam generator systems.
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| Water sprinkler systems; general.
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| Installation of water sprinkler systems; requirements.
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| Water sprinkler systems; arrangement of sprinklers.
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| Water sprinkler systems; fire warning devices at belt drives.
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| Inspection of water sprinkler systems.
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| Equivalent dry-pipe system.
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| Dry powder chemical systems; general.
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| Installation of dry powder chemical systems.
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| Construction of dry powder chemical systems.
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| Dry powder chemical systems; sensing and fire-suppression devices.
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| Sealing of dry powder chemical systems.
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| Nozzles; flow rate and direction.
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| Safeguards for dry powder chemical systems.
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| Inspection of dry powder chemical systems.
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| Slippage and sequence switches.
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| Automatic fire warning devices.
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| Automatic fire sensors; approved components; installation requirements.
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| Automatic fire sensor and warning device systems; minimum requirements; general.
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| Automatic fire sensor and warning device systems; installation; minimum requirements.
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| Automatic fire warning devices; manual resetting.
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| Automatic fire sensors; actuation of fire suppression systems.
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| Electrical components; permissibility requirements.
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| Automatic fire sensor and warning device systems; inspection and test requirements.
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| Minimum requirements; fire suppression materials and location; maintenance of entries and crosscuts; access doors; communications; fire crews; high-expansion foam devices.
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| Fire suppression systems; additional requirements.
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| Tests of fire hydrants and fire hose; record of tests.
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| Underground storage, lubricating oil and grease.
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| Welding, cutting, or soldering with arc or flame underground.
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| Transportation of liquefied and nonliquefied compressed gas cylinders; requirements.
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| Storage of liquefied and nonliquefied compressed gas cylinders; requirements.
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| Use of liquefied and nonliquefied compressed gas cylinders; general requirements.
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| Maintenance and tests of liquefied and nonliquefied compressed gas cylinders; accessories and equipment; requirements.
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| Exemption of small low pressure gas cylinders containing nonflammable or nonexplosive gas mixtures.
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| Fire suppression devices.
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| Fire-resistant hydraulic fluids and fire suppression devices on underground equipment.
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| Approved fire-resistant hydraulic fluids; minimum requirements.
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| Fire suppression devices; approved components; installation requirements.
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| Automatic fire sensors and manual actuators; installation; minimum requirements.
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| Electrical components of fire suppression devices; permissibility requirements.
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| Capacity of fire suppression devices; location and direction of nozzles.
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| Water spray devices; capacity; water supply; minimum requirements.
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| Fire suppression devices; extinguishant supply systems.
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| Dry chemical devices; capacity; minimum requirements.
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| High expansion foam devices; minimum capacity.
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| Extinguishing agents; requirements on mining equipment employed in low coal.
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| Inerting of mine atmosphere prohibited.
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| Approval of other fire suppression devices.
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| Guards and handrails; requirements where fire suppression devices are employed.
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| Fire suppression devices; hazards; training of miners.
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| Inspection of fire suppression devices.
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| Incorporation by reference; availability of publications.
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| Flame-resistant conveyor belts.
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Subpart M--MAPS
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| Additional information on mine map.
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| Accuracy and scale of mine maps.
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| Temporary notations, revisions, and supplements.
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| Temporary notations, revisions, and supplements.
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| Availability of mine map.
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| Mine closure; filing of map with Secretary.
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| Places to give notice and file maps.
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Subpart N--EXPLOSIVES AND BLASTING
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| Explosives and blasting equipment.
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| Transporting explosives and detonators.
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| Explosives and detonators in underground magazines.
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| Explosives and detonators outside of magazines.
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| Sheathed explosive units.
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| Boreholes for explosives.
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| Preparation before blasting.
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| Weight of explosives permitted in boreholes in bituminous and lignite mines.
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| Permits for firing more than 20 boreholes and for use of nonpermissible blasting units.
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| Methane concentration and tests.
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| Examination after blasting.
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| Damaged or deteriorated explosives and detonators.
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Subpart O--HOISTING AND MANTRIPS
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| Hoisting equipment; general.
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| Hoists; brakes, capability.
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| Hoists; tests of safety catches; records.
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| Daily examination of hoisting equipment.
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| Certifications and records of daily examinations.
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| Hoists; rated capacities; indicators.
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| Communication between shaft stations and hoist room.
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| Communication between shaft stations and hoist room.
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| Tests of signaling systems.
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| Criteria--Hoists transporting materials; brakes.
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| Criteria--Drum clutch; cage construction.
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| Criteria--Automatic elevators.
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| Criteria--Belt conveyors.
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| Criteria--Self-propelled personnel carriers.
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| Criteria--Track haulage roads.
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| Criteria--Haulage; general.
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| Criteria--Entrances to shafts and slopes.
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| Automatic brakes; speed reduction gear.
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| Automatic couplers, haulage equipment.
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| End attachment retermination.
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| End attachment replacement.
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Subpart P--MINE EMERGENCIES
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| Mine emergency evacuation and firefighting program of instruction.
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Subpart Q--COMMUNICATIONS
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| Communication facilities; main portals; installation requirements.
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| Communication facilities; working sections; installation and maintenance requirements; audible or visual alarms.
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Subpart R--MISCELLANEOUS
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| Surface structures, fireproofing.
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| Surface structures; fireproof construction.
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| Accumulations of methane and coal dust on surface coal-handling facilities.
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| Canopies or cabs; diesel-powered and electric face equipment.
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| Canopies or cabs; self-propelled diesel-powered and electric face equipment; installation requirements.
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| Sealing of shaft openings.
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| Sealing of slope or drift openings.
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| Openings of active mines.
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| Bath houses and toilet facilities.
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| Availability of surface bathing facilities; change rooms; and sanitary facilities.
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| Location of surface facilities.
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| Minimum requirements of surface bathing facilities, change rooms, and sanitary toilet facilities.
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| Waiver of surface facilities requirements.
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| Application for waiver of surface facilities.
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| Underground sanitary facilities; installation and maintenance.
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| Underground sanitary facilities; waiver of requirements.
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| Application for waiver of location requirements for underground sanitary facilities.
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| Underground sanitary facilities; maintenance.
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| Emergency medical assistance; first-aid.
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| Arrangements for emergency medical assistance and transportation for injured persons; agreements; reporting requirements; posting requirements.
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| Emergency communications; requirements.
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| First-Aid training; supervisory employees.
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| First-aid training program; availability of instruction to all miners.
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| First-aid training program; retraining of supervisory employees; availability to all miners.
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| First-aid training program; minimum requirements.
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| First-aid equipment; location; minimum requirements.
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| Availability of approved self-rescue devices; instruction in use and location.
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| Approved self-rescue devices.
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| Self-rescue devices; use and location requirements.
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| Self-rescue devices; inspection, testing, maintenance, repair, and recordkeeping.
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| Additional Self-Contained Self-Rescuers.
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| Map locations of Self-Contained Self-Rescuers.
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| Identification check system.
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| Operations under water; notification by operator.
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| Applications for permits.
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|
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| Illumination; purpose and scope of 75.1719 through 75.1719-4; time for compliance.
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| Illumination in working places.
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|
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| Lighting fixtures; requirements.
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|
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| Methods of measurement; light measuring instruments.
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|
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| Mining machines, cap lamps; requirements.
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|
|
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| Protective clothing; requirements.
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|
|
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| Distinctively colored hard hats, or hard caps; identification for newly employed, inexperienced miners.
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|
|
|
| Opening of new underground coal mines, or reopening and reactivating of abandoned or deactivated coal mines, notification by the operator; requirements.
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|
|
|
| Mechanical equipment guards.
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|
|
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| Stationary grinding machines; protective devices.
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| Hand-held power tools; safety devices.
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|
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| Machinery and equipment; operation and maintenance.
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|
|
|
| Performing work from a raised position; safeguards.
|
|
|
|
| Compressed air; general; compressed air systems.
|
|
Subpart S--[RESERVED]
Subpart T--DIESEL-POWERED EQUIPMENT
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| Diesel fuel requirements.
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|
|
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| Underground diesel fuel storage--general requirements.
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|
|
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| Underground diesel fuel storage facilities and areas; construction and safety precautions.
|
|
|
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| Underground diesel fuel tanks and safety cans.
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|
|
|
| Dispensing of diesel fuel.
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|
|
|
| Diesel fuel piping systems.
|
|
|
|
| Transport of diesel fuel.
|
|
|
|
| Diesel-powered equipment intended for use in underground coal mines.
|
|
|
|
| Nonpermissible diesel-powered equipment; categories.
|
|
|
|
| Nonpermissible diesel-powered equipment; design and performance requirements.
|
|
|
|
| Nonpermissible diesel-powered equipment; electrical system design and performance requirements.
|
|
|
|
| Fire suppression systems for diesel-powered equipment and fuel transportation units.
|
|
|
|
| Fire suppression systems for permanent underground diesel fuel storage facilities.
|
|
|
|
| Maintenance of diesel-powered equipment.
|
|
|
|
| Training and qualification of persons working on diesel-powered equipment.
|
|
|
|
| Operation of diesel-powered equipment.
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|
