30 C.F.R. PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES
TITLE 30--Mineral Resources
CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
SUBCHAPTER K--METAL AND NONMETAL MINE SAFETY AND HEALTH
PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES
Subpart A--GENERAL
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| Notification of commencement of operations and closing of mines.
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Subpart B--GROUND CONTROL
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| Correction of hazardous conditions.
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| Location for performing scaling.
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| Examination of ground conditions.
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| Activity between machinery or equipment and the highwall or bank.
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| Maintenance between machinery or equipment and ribs.
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Subpart C--FIRE PREVENTION AND CONTROL
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| Abandoned electric circuits.
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| Underground trailing cables.
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| Smoking and use of open flames.
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| Fueling internal combustion engines.
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| Surface electric substations and liquid storage facilities.
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| Surface fan installations and mine openings.
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| Underground electric substations and liquid storage facilities.
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| Extinguisher recharging or replacement.
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| Surface self-propelled equipment.
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| Underground self-propelled equipment.
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| Shaft-station waterlines.
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| Underground transformer stations, combustible liquid storage and dispensing areas, pump rooms, compressor rooms, and hoist rooms.
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| Underground belt conveyors.
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| Surface firefighting, evacuation, and rescue procedures.
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| Surface firefighting drills.
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| Underground alarm systems.
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| Underground evacuation drills.
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| Underground rescue and firefighting operations.
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| Underground evacuation instruction.
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| Storage tank foundations.
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| Surface storage facilities.
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| Surface storage restrictions.
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| Storage of flammable liquids underground.
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| Gasoline use restrictions underground.
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| Storage of combustible liquids underground.
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| Liquefied petroleum gas use underground.
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| Battery-charging stations.
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| Fuel lines to underground areas.
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| Exits for surface buildings and structures.
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| Surface flammable or combustible liquid storage buildings or rooms.
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| Stationary diesel equipment underground.
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| Preparation of pipelines or containers.
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| Work in shafts, raises, or winzes and other activities involving hazard areas.
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Subpart D--AIR QUALITY, RADIATION, PHYSICAL AGENTS, AND DIESEL PARTICULATE MATTER
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| Exposure limits for airborne contaminants.
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| Control of exposure to airborne contaminants.
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| Restricted use of chemicals.
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| Radon daughter exposure monitoring.
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| Maximum permissible concentration.
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| Posting of inactive workings.
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| Protection against radon gas.
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| Limit on exposure to diesel particulate matter.
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| Compliance determinations.
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| Diesel particulate records.
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Subpart E--EXPLOSIVES
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| Separation of stored explosive material.
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| Areas around explosive material storage facilities.
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| Explosive material storage practices.
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| Explosive material storage facilities.
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| Location of explosive material storage facilities.
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| Delivery to storage or blast site areas.
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| Separation of transported explosive material.
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| Conveying explosives by hand.
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| Control of blasting operations.
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| Blasthole obstruction check.
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| Separation of explosive material.
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| Unused explosive material.
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| Loading, blasting, and security.
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| Fuel oil requirements for ANFO.
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| Compatibility of electric detonators.
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| Deenergized circuits near detonators.
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| Separation of blasting circuits from power source.
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| Duration of current flow.
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| Damaged initiating material.
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| Nonelectric initiation systems.
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| Static electricity dissipation during loading.
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| Precautions during storms.
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| Isolation of blasting circuits.
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| Tamping and loading pole requirements.
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| Damaged or deteriorated explosive material.
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| Burning explosive material.
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| Protection of explosive material.
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| Mixing of explosive material.
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Subpart F--DRILLING AND ROTARY JET PIERCING
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| Straightening crossed cables.
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| Tending drills in operation.
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| Covering or guarding drill holes.
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| Tool and drill steel racks.
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| Loose objects on the mast or drill platform.
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| Starting or moving drill equipment.
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| Flushing the combustion chamber.
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Subpart G--VENTILATION
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| Underground main fan controls.
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| Oxygen-deficiency testing.
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| Construction and maintenance of ventilation doors.
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| Opening and closing ventilation doors.
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| Shutdown or failure of auxiliary fans.
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Subpart H--LOADING, HAULING, AND DUMPING
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| Operating speeds and control of equipment.
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| Movement of independently operating rail equipment.
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| Clearance on adjacent tracks.
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| Train movement during shift changes.
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| Loading, hauling, and unloading of equipment or supplies.
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| Loading and hauling large rocks.
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| Supplies, materials, and tools on mantrips.
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| Transporting tools and materials on locomotives.
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| Protection against moving or runaway railroad equipment.
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| Construction of ramps and dumping facilities.
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| Warning devices for restricted clearances.
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| Design, installation, and maintenance of railroads.
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| Anchoring stationary sizing devices.
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| Working around drawholes.
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| Trimming stockpile and muckpile faces.
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| Notifying the equipment operator.
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| Getting on or off moving equipment.
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| Going over, under, or between railcars.
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| Clearance for surface equipment.
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Subpart I--AERIAL TRAMWAYS
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| Inspection and maintenance.
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| Falling object protection.
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Subpart J--TRAVELWAYS AND ESCAPEWAYS
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| Construction and maintenance of ladders.
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| Fixed ladder anchorage and toe clearance.
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| Wooden components of ladders.
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| Walkways along conveyors.
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| Protection for openings around travelways.
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| Crossing moving conveyors.
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| Snow and ice on walkways and travelways.
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| Railed landings, backguards, and other protection for fixed ladders.
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| Protection for inclined fixed ladders.
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| Scaffolds and working platforms.
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| Ladderway trap doors and guards.
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| Landings for inclined ladderways.
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| Escape and evacuation plans.
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| Communication with refuge chambers.
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| Check-in, check-out system.
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| Respirable atmosphere for hoist operators underground.
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Subpart K--ELECTRICITY
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| Circuit overload protection.
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| Trailing cable overload protection.
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| Protection of power conductors from mobile equipment.
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| Junction box connection procedures.
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| Insulation and fittings for power wires and cables.
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| Isolation or insulation of communication conductors.
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| High-potential electrical conductors.
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| Splices and repairs of power cables.
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| Handling energized power cables.
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| Work on electrically-powered equipment.
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| Identification of power switches.
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| Access to stationary electrical equipment or switchgear.
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| Protection of persons at switchgear.
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| Authorized persons at major electrical installations.
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| Guarding electrical connections and resistor grids.
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| Grounding circuit enclosures.
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| Grounding transformer and switchgear enclosures.
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| Grounding mobile equipment.
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| Testing grounding systems.
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| Correction of dangerous conditions.
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| Inspection and cover plates.
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| Hand-held electric tools.
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| Weatherproof lamp sockets.
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| Fuse removal or replacement.
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| Fuses in high-potential circuits.
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| Attachment of trailing cables.
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| Protection of surplus trailing cables.
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| Installation of operating controls.
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| Design of switches and starting boxes.
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| Communication conductors on power poles.
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| Installation of trolley wires.
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| Circuits powered from trolley wires.
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| Short circuit and lightning protection.
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| Guarding trolley wires and bare powerlines.
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| Installation of transformers.
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| Locking transformer enclosures.
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| Lightning protection for telephone wires and ungrounded conductors.
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| Movement or operation of equipment near high-voltage powerlines.
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| Bonding metal pipelines to ground return circuits.
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| Support of power cables in shafts and boreholes.
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| Branch circuit disconnecting devices.
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| Location of trolley wire.
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| Splicing trailing cables.
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Subpart L--COMPRESSED AIR AND BOILERS
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| General requirements for boilers and pressure vessels.
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| Reciprocating-type air compressors.
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| Inspection of compressed-air receivers and other unfired pressure vessels.
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| Compressor discharge pipes.
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| High-pressure hose connections.
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Subpart M--MACHINERY AND EQUIPMENT
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| Safety defects; examination, correction and records.
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| Brakes for rail equipment.
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| Procedures during repairs or maintenance.
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| Falling object protection.
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| Unguarded conveyors with adjacent travelways.
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| Flying or falling materials.
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| Slusher, backlash guards and securing.
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| Construction and maintenance of guards.
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| Inclined conveyors: backstops or brakes.
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| Air valves for pneumatic equipment.
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| Stationary grinding machines.
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| Roll-over protective structures (ROPS) and seat belts for surface equipment.
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| Seat belts for surface haulage trucks.
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| Horns and backup alarms for surface equipment.
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| Mantrip trolley wire hazards underground.
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| Warnings prior to starting or moving equipment.
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| Conveyor start-up warnings.
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| Manual cleaning of conveyor pulleys.
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| Application of belt dressing.
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| Machinery, equipment, and tools.
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| Parking procedures for unattended equipment.
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| Safety procedures for towing.
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| Movement of dippers, buckets, loading booms, or suspended loads.
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| Blocking equipment in a raised position.
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| Chains, ropes, and drive belts.
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| Ventilation and shielding for welding.
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| Coupling or uncoupling cars.
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| Securing parked railcars.
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| Movement of equipment on adjacent tracks.
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Subpart N--PERSONAL PROTECTION
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| Protective equipment and clothing for hazards and irritants.
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| Protective equipment or clothing for welding, cutting, or working with molten metal.
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| Eye protection when operating grinding wheels.
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| Provision and maintenance of self-rescue devices.
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| Location of self-rescue devices.
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Subpart O--MATERIALS STORAGE AND HANDLING
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| Stacking and storage of materials.
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| Bins, hoppers, silos, tanks, and surge piles.
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| Storage of hazardous materials.
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| Containers for hazardous materials.
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| Protection of gas cylinder valves.
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| Taglines, hitches, and slings.
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| Dropping materials from overhead.
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| Riding hoisted loads or on the hoist hook.
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| Storage of incompatible substances.
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| Working with molten metal.
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| Operator-carrying overhead cranes.
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| Work or travel on overhead crane bridges.
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| Hoisting heavy equipment or material.
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Subpart P--ILLUMINATION
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| Illumination of surface working areas.
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Subpart Q--SAFETY PROGRAMS
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| Examination of working places.
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| Designation of person in charge.
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| Emergency telephone numbers.
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| Emergency communications system.
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| Emergency medical assistance and transportation.
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| Mine emergency and self-rescuer training.
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Subpart R--PERSONNEL HOISTING
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| Driving mechanism connections.
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| Locking mechanism for clutch.
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| Automatic hoist braking devices.
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| Overtravel and overspeed devices.
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| Friction hoist synchronizing mechanisms.
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| Location of hoist controls.
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| Diesel- and other fuel-injection-powered hoists.
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| Friction hoist overtravel protection.
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| Emergency braking for electric hoists.
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| Overtravel by-pass switches.
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| End attachment retermination.
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| End attachment replacement.
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| Safety device attachments.
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| Platforms around elevated head sheaves.
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| Hoisting persons in buckets.
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| Availability of hoist operator for manual hoists.
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| Availability of hoist operator for automatic hoists.
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| Hoist operator's physical fitness.
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| Experienced hoist operators.
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| Maximum acceleration and deceleration.
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| Persons allowed in hoist room.
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| Lowering conveyances by the brakes.
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| Maximum riders in a conveyance.
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| Trips during shift changes.
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| Orderly conduct in conveyances.
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| Entering and leaving conveyances.
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| Closing cage doors or gates.
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| Riding in skips or buckets.
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| Skips and cages in same compartment.
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| Hoisting during shift changes.
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| Riding the bail, rim, bonnet, or crosshead.
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| Maximum speeds for hoisting persons in buckets.
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| Hoisting buckets from the shaft bottom.
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| Hoisting tools, timbers, and other materials.
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| Overtravel backout device.
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| Signaling instructions to hoist operator.
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| Signaling from conveyances.
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| Location of signal devices.
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| Familiarity with signal code.
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| Stopblocks and derail switches.
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| Dumping facilities and loading pockets.
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| Clearance at shaft stations.
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| Landings with more than one shaft entrance.
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| Precautions for work in compartment affected by hoisting operation.
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| Posting warning signs during shaft work.
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| Shaft inspection and repair.
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| Overhead protection for shaft deepening work.
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| Procedures for inspection, testing, and maintenance.
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| Examinations and tests at beginning of shift.
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| Hoist conveyance connections.
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| Rollers in inclined shafts.
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Subpart S--MISCELLANEOUS
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| Intoxicating beverages and narcotics.
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| Tests for explosive dusts.
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| Barricades and warning signs.
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| Prohibited areas for food and beverages.
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| Unattended mine openings.
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| Blasting underground in hazardous areas.
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| Two-way communication equipment for underground operations.
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Subpart T--SAFETY STANDARDS FOR METHANE IN METAL AND NONMETAL MINES
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| Mine category or subcategory.
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| Category placement or change in placement.
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| Notice and appeal of placement or change in placement.
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| Smoking (I-A, II-A, III, and V-A mines).
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| Open flames (I-A, II-A, III, and V-A mines).
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| Smoking and open flames (IV mines).
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| Dust containing volatile matter (I-C mines).
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| Mechanical ventilation (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines).
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| Main fans (I-A, I-B, I-C, II-A, III, V-A, and V-B mines).
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| Main fan operation (I-C mines).
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| Main fan operation and inspection (I-A, II-A, III, and V-A mines).
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| Doors on main fans (I-A, II-A, III, and V-A mines).
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| Main ventilation failure (I-A, II-A, III, and V-A mines).
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| Booster fans (I-A, II-A, III, and V-A mines).
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| Auxiliary fans (I-A, II-A, III, and V-A mines).
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| Auxiliary fans (I-C mines).
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| In-line filters (I-C mines).
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| Air flow (I-C, II-A, and V-A mines).
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| Changes in ventilation (I-A, II-A, III, and V-A mines).
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| Separation of intake and return air (I-A, II-A, III, and V-A mines).
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| Separation of intake and return air (I-C mines).
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| Seals and stoppings (I-A, I-B, and I-C mines).
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| Seals and stoppings (III, V-A, and V-B mines).
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| Seals and stoppings (II-A mines).
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| Air passing unsealed areas (I-A, II-A, III, and V-A mines).
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| Overcast and undercast construction (I-A, II-A, III, and V-A mines).
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| Ventilation materials (I-A, I-B, I-C, II-A, III, V-A, and V-B mines).
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| Crosscuts before abandonment (III mines).
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| Auxiliary equipment stations (I-A and III mines).
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| Auxiliary equipment stations (I-C mines).
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| Testing for methane (IV mines).
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| Approved testing devices (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines).
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| Preshift examination (I-A, I-C, II-A, III, and V-A mines).
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| Weekly testing (I-A, III, and V-A mines).
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| Weekly testing (II-A mines).
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| Actions at 0.25 percent methane (I-B, II-B, V-B, and VI mines).
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| Actions at 0.5 percent methane (I-B, II-A, II-B, IV, V-B, and VI mines).
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| Actions at 0.5 percent methane (I-C mines).
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| Actions at 1.0 percent methane (I-A, I-B, III, V-A, and V-B mines).
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| Actions at 1.0 percent methane (I-C, II-A, II-B, and IV mines).
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| Actions at 1.0 percent methane (VI mines).
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| Actions at 2.0 to 2.5 percent methane in bleeder systems (I-A and III mines).
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| Actions at 2.0 percent methane (I-B, II-B, V-B, and VI mines).
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| Actions at 2.0 percent methane (IV mines).
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| Actions at 2.0 percent methane (V-A mines).
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| Advance face boreholes (I-C mines).
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| Atmospheric monitoring systems (I-A, II-A, and V-A mines).
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| Approved equipment (I-A and V-A mines).
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| Approved equipment (I-C mines).
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| Approved equipment (II-A mines).
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| Approved equipment (III mines).
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| Methane monitors (I-A mines).
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| Methane monitors (II-A mines).
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| Methane monitors (III mines).
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| Methane monitors (V-A mines).
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| Electrical cables (I-C mines).
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| Electrical cables (II-A mines).
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| Distribution boxes (II-A and V-A mines).
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| Explosion-protection systems (I-C mines).
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| Flow-control devices (V-A and V-B mines).
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| Self-contained breathing apparatus (V-A mines).
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| Underground retorts (I-A and I-B mines).
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| Personal electric lamps (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines).
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| Blasting from the surface (I-A mines).
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| Blasting from the surface (I-C mines).
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| Blasting from the surface (II-A mines).
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| Blasting from the surface (II-B mines).
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| Blasting from the surface (V-A mines).
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| Explosive materials and blasting units (III mines).
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| Blasting on shift (III mines).
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| Secondary blasting (I-A, II-A, and V-A mines).
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