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Home Page > Executive Branch > Code of Federal Regulations > Electronic Code of Federal Regulations
e-CFR Data is current as of November 19, 2009
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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