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Electronic Code of Federal Regulations

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e-CFR Data is current as of August 28, 2014

Title 30Chapter ISubchapter KPart 57


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

rule

Subpart A—GENERAL

§57.1
Purpose and scope.
§57.2
Definitions.

Procedures

§57.1000
Notification of commencement of operations and closing of mines.
rule

Subpart B—GROUND CONTROL

§57.3000
Definitions.

Scaling and Support—Surface and Underground

§57.3200
Correction of hazardous conditions.
§57.3201
Location for performing scaling.
§57.3202
Scaling tools.
§57.3203
Rock fixtures.

Scaling and Support—Underground Only

§57.3360
Ground support use.

Precautions—Surface and Underground

§57.3400
Secondary breakage.
§57.3401
Examination of ground conditions.

Precautions—Surface Only

§57.3430
Activity between machinery or equipment and the highwall or bank.

Precautions—Underground Only

§57.3460
Maintenance between machinery or equipment and ribs.
§57.3461
Rock bursts.
rule

Subpart C—FIRE PREVENTION AND CONTROL

§57.4000
Definitions.
§57.4011
Abandoned electric circuits.
§57.4057
Underground trailing cables.

Prohibitions/Precautions/Housekeeping

§57.4100
Smoking and use of open flames.
§57.4101
Warning signs.
§57.4102
Spillage and leakage.
§57.4103
Fueling internal combustion engines.
§57.4104
Combustible waste.
§57.4130
Surface electric substations and liquid storage facilities.
§57.4131
Surface fan installations and mine openings.
§57.4160
Underground electric substations and liquid storage facilities.
§57.4161
Use of fire underground.

Firefighting Equipment

§57.4200
General requirements.
§57.4201
Inspection.
§57.4202
Fire hydrants.
§57.4203
Extinguisher recharging or replacement.
§57.4230
Surface self-propelled equipment.
§57.4260
Underground self-propelled equipment.
§57.4261
Shaft-station waterlines.
§57.4262
Underground transformer stations, combustible liquid storage and dispensing areas, pump rooms, compressor rooms, and hoist rooms.
§57.4263
Underground belt conveyors.

Firefighting Procedures/Alarms/Drills

§57.4330
Surface firefighting, evacuation, and rescue procedures.
§57.4331
Surface firefighting drills.
§57.4360
Underground alarm systems.
§57.4361
Underground evacuation drills.
§57.4362
Underground rescue and firefighting operations.
§57.4363
Underground evacuation instruction.

Flammable and Combustible Liquids and Gases

§57.4400
Use restrictions.
§57.4401
Storage tank foundations.
§57.4402
Safety can use.
§57.4430
Surface storage facilities.
§57.4431
Surface storage restrictions.
§57.4460
Storage of flammable liquids underground.
§57.4461
Gasoline use restrictions underground.
§57.4462
Storage of combustible liquids underground.
§57.4463
Liquefied petroleum gas use underground.

Installation/Construction/Maintenance

§57.4500
Heat sources.
§57.4501
Fuel lines.
§57.4502
Battery-charging stations.
§57.4503
Conveyor belt slippage.
§57.4504
Fan installations.
§57.4505
Fuel lines to underground areas.
§57.4530
Exits for surface buildings and structures.
§57.4531
Surface flammable or combustible liquid storage buildings or rooms.
§57.4532
Blacksmith shops.
§57.4533
Mine opening vicinity.
§57.4560
Mine entrances.
§57.4561
Stationary diesel equipment underground.

Welding/Cutting/Compressed Gases

§57.4600
Extinguishing equipment.
§57.4601
Oxygen cylinder storage.
§57.4602
Gauges and regulators.
§57.4603
Closure of valves.
§57.4604
Preparation of pipelines or containers.
§57.4660
Work in shafts, raises, or winzes and other activities involving hazard areas.

Ventilation Control Measures

§57.4760
Shaft mines.
§57.4761
Underground shops.
Appendix
Appendix I to Subpart C of Part 57—National Consensus Standards
rule

Subpart D—AIR QUALITY, RADIATION, PHYSICAL AGENTS, AND DIESEL PARTICULATE MATTER

Air Quality—Surface and Underground

§57.5001
Exposure limits for airborne contaminants.
§57.5002
Exposure monitoring.
§57.5005
Control of exposure to airborne contaminants.
§57.5006
Restricted use of chemicals.

Air Quality—Surface Only [Reserved]

Air Quality—Underground Only

§57.5015
Oxygen deficiency.

Radiation—Underground Only

§57.5037
Radon daughter exposure monitoring.
§57.5038
Annual exposure limits.
§57.5039
Maximum permissible concentration.
§57.5040
Exposure records.
§57.5041
Smoking prohibition.
§57.5042
Revised exposure levels.
§57.5044
Respirators.
§57.5045
Posting of inactive workings.
§57.5046
Protection against radon gas.
§57.5047
Gamma radiation surveys.

Diesel Particulate Matter—Underground Only

§57.5060
Limit on exposure to diesel particulate matter.
§57.5061
Compliance determinations.
§57.5065
Fueling practices.
§57.5066
Maintenance standards.
§57.5067
Engines.
§57.5070
Miner training.
§57.5071
Exposure monitoring.
§57.5075
Diesel particulate records.
rule

Subpart E—EXPLOSIVES

§57.6000
Definitions.

Storage—Surface and Underground

§57.6100
Separation of stored explosive material.
§57.6101
Areas around explosive material storage facilities.
§57.6102
Explosive material storage practices.

Storage—Surface Only

§57.6130
Explosive material storage facilities.
§57.6131
Location of explosive material storage facilities.
§57.6132
Magazine requirements.
§57.6133
Powder chests.

Storage—Underground Only

§57.6160
Main facilities.
§57.6161
Auxiliary facilities.

Transportation—Surface and Underground

§57.6200
Delivery to storage or blast site areas.
§57.6201
Separation of transported explosive material.
§57.6202
Vehicles.
§57.6203
Locomotives.
§57.6204
Hoists.
§57.6205
Conveying explosives by hand.
§57.6300
Control of blasting operations.
§57.6301
Blasthole obstruction check.
§57.6302
Separation of explosive material.
§57.6303
Initiation preparation.
§57.6304
Primer protection.
§57.6305
Unused explosive material.
§57.6306
Loading, blasting, and security.
§57.6307
Drill stem loading.
§57.6308
Initiation systems.
§57.6309
Fuel oil requirements for ANFO.
§57.6310
Misfire waiting period.
§57.6311
Handling of misfires.
§57.6312
Secondary blasting.

Electric Blasting—Surface and Underground

§57.6400
Compatibility of electric detonators.
§57.6401
Shunting.
§57.6402
Deenergized circuits near detonators.
§57.6403
Branch circuits.
§57.6404
Separation of blasting circuits from power source.
§57.6405
Firing devices.
§57.6406
Duration of current flow.
§57.6407
Circuit testing.

Nonelectric Blasting—Surface and Underground

§57.6500
Damaged initiating material.
§57.6501
Nonelectric initiation systems.
§57.6502
Safety fuse.

Extraneous Electricity—Surface and Underground

§57.6600
Loading practices.
§57.6601
Grounding.
§57.6602
Static electricity dissipation during loading.
§57.6603
Air gap.
§57.6604
Precautions during storms.
§57.6605
Isolation of blasting circuits.

Equipment/Tools—Surface and Underground

§57.6700
Nonsparking tools.
§57.6701
Tamping and loading pole requirements.

Maintenance—Surface and Underground

§57.6800
Storage facilities.
§57.6801
Vehicle repair.
§57.6802
Bulk delivery vehicles.
§57.6803
Blasting lines.

General Requirements—Surface and Underground

§57.6900
Damaged or deteriorated explosive material.
§57.6901
Black powder.
§57.6902
Excessive temperatures.
§57.6903
Burning explosive material.
§57.6904
Smoking and open flames.
§57.6905
Protection of explosive material.

General Requirements—Underground Only

§57.6960
Mixing of explosive material.
rule

Subpart F—DRILLING AND ROTARY JET PIERCING

Drilling—Surface Only

§57.7002
Equipment defects.
§57.7003
Drill area inspection.
§57.7004
Drill mast.
§57.7005
Augers and drill stems.
§57.7008
Moving the drill.
§57.7009
Drill helpers.
§57.7010
Power failures.
§57.7011
Straightening crossed cables.
§57.7012
Tending drills in operation.
§57.7013
Covering or guarding drill holes.
§57.7018
Hand clearance.

Drilling—Underground Only

§57.7028
Hand clearance.
§57.7032
Anchoring.

Drilling—Surface and Underground

§57.7050
Tool and drill steel racks.
§57.7051
Loose objects on the mast or drill platform.
§57.7052
Drilling positions.
§57.7053
Moving hand-held drills.
§57.7054
Starting or moving drill equipment.
§57.7055
Intersecting holes.
§57.7056
Collaring in bootlegs.

Rotary Jet Piercing—Surface Only

§57.7801
Jet drills.
§57.7802
Oxygen hose lines.
§57.7803
Lighting the burner.
§57.7804
Refueling.
§57.7805
Smoking and open flames.
§57.7806
Oxygen intake coupling.
§57.7807
Flushing the combustion chamber.
rule

Subpart G—VENTILATION

Surface and Underground

§57.8518
Main and booster fans.
§57.8519
Underground main fan controls.

Underground Only

§57.8520
Ventilation plan.
§57.8525
Main fan maintenance.
§57.8527
Oxygen-deficiency testing.
§57.8528
Unventilated areas.
§57.8529
Auxiliary fan systems.
§57.8531
Construction and maintenance of ventilation doors.
§57.8532
Opening and closing ventilation doors.
§57.8534
Shutdown or failure of auxiliary fans.
§57.8535
Seals.
rule

Subpart H—LOADING, HAULING, AND DUMPING

Traffic Safety

§57.9100
Traffic control.
§57.9101
Operating speeds and control of equipment.
§57.9102
Movement of independently operating rail equipment.
§57.9103
Clearance on adjacent tracks.
§57.9104
Railroad crossings.
§57.9160
Train movement during shift changes.

Transportation of Persons and Materials

§57.9200
Transporting persons.
§57.9201
Loading, hauling, and unloading of equipment or supplies.
§57.9202
Loading and hauling large rocks.
§57.9260
Supplies, materials, and tools on mantrips.
§57.9261
Transporting tools and materials on locomotives.

Safety Devices, Provisions, and Procedures for Roadways, Railroads, and Loading and Dumping Sites

§57.9300
Berms or guardrails.
§57.9301
Dump site restraints.
§57.9302
Protection against moving or runaway railroad equipment.
§57.9303
Construction of ramps and dumping facilities.
§57.9304
Unstable ground.
§57.9305
Truck spotters.
§57.9306
Warning devices for restricted clearances.
§57.9307
Design, installation, and maintenance of railroads.
§57.9308
Switch throws.
§57.9309
Chute design.
§57.9310
Chute hazards.
§57.9311
Anchoring stationary sizing devices.
§57.9312
Working around drawholes.
§57.9313
Roadway maintenance.
§57.9314
Trimming stockpile and muckpile faces.
§57.9315
Dust control.
§57.9316
Notifying the equipment operator.
§57.9317
Suspended loads.
§57.9318
Getting on or off moving equipment.
§57.9319
Going over, under, or between railcars.
§57.9330
Clearance for surface equipment.
§57.9360
Shelter holes.
§57.9361
Drawholes.
§57.9362
Protection of signalmen.
rule

Subpart I—AERIAL TRAMWAYS

§57.10001
Filling buckets.
§57.10002
Inspection and maintenance.
§57.10003
Correction of defects.
§57.10004
Brakes.
§57.10005
Track cable connections.
§57.10006
Tower guards.
§57.10007
Falling object protection.
§57.10008
Riding tramways.
§57.10009
Riding loaded buckets.
§57.10010
Starting precautions.
rule

Subpart J—TRAVELWAYS AND ESCAPEWAYS

Travelways—Surface and Underground

§57.11001
Safe access.
§57.11002
Handrails and toeboards.
§57.11003
Construction and maintenance of ladders.
§57.11004
Portable rigid ladders.
§57.11005
Fixed ladder anchorage and toe clearance.
§57.11006
Fixed ladder landings.
§57.11007
Wooden components of ladders.
§57.11008
Restricted clearance.
§57.11009
Walkways along conveyors.
§57.11010
Stairstep clearance.
§57.11011
Use of ladders.
§57.11012
Protection for openings around travelways.
§57.11013
Conveyor crossovers.
§57.11014
Crossing moving conveyors.
§57.11016
Snow and ice on walkways and travelways.
§57.11017
Inclined fixed ladders.

Travelways—Surface Only

§57.11025
Railed landings, backguards, and other protection for fixed ladders.
§57.11026
Protection for inclined fixed ladders.
§57.11027
Scaffolds and working platforms.

Travelways—Underground Only

§57.11036
Ladderway trap doors and guards.
§57.11037
Ladderway openings.
§57.11038
Entering a manway.
§57.11040
Inclined travelways.
§57.11041
Landings for inclined ladderways.

Escapeways—Underground Only

§57.11050
Escapeways and refuges.
§57.11051
Escape routes.
§57.11052
Refuge areas.
§57.11053
Escape and evacuation plans.
§57.11054
Communication with refuge chambers.
§57.11055
Inclined escapeways.
§57.11056
Emergency hoists.
§57.11058
Check-in, check-out system.
§57.11059
Respirable atmosphere for hoist operators underground.
rule

Subpart K—ELECTRICITY

Surface and Underground

§57.12001
Circuit overload protection.
§57.12002
Controls and switches.
§57.12003
Trailing cable overload protection.
§57.12004
Electrical conductors.
§57.12005
Protection of power conductors from mobile equipment.
§57.12006
Distribution boxes.
§57.12007
Junction box connection procedures.
§57.12008
Insulation and fittings for power wires and cables.
§57.12010
Isolation or insulation of communication conductors.
§57.12011
High-potential electrical conductors.
§57.12012
Bare signal wires.
§57.12013
Splices and repairs of power cables.
§57.12014
Handling energized power cables.
§57.12016
Work on electrically-powered equipment.
§57.12017
Work on power circuits.
§57.12018
Identification of power switches.
§57.12019
Access to stationary electrical equipment or switchgear.
§57.12020
Protection of persons at switchgear.
§57.12021
Danger signs.
§57.12022
Authorized persons at major electrical installations.
§57.12023
Guarding electrical connections and resistor grids.
§57.12025
Grounding circuit enclosures.
§57.12026
Grounding transformer and switchgear enclosures.
§57.12027
Grounding mobile equipment.
§57.12028
Testing grounding systems.
§57.12030
Correction of dangerous conditions.
§57.12032
Inspection and cover plates.
§57.12033
Hand-held electric tools.
§57.12034
Guarding around lights.
§57.12035
Weatherproof lamp sockets.
§57.12036
Fuse removal or replacement.
§57.12037
Fuses in high-potential circuits.
§57.12038
Attachment of trailing cables.
§57.12039
Protection of surplus trailing cables.
§57.12040
Installation of operating controls.
§57.12041
Design of switches and starting boxes.
§57.12042
Track bonding.
§57.12045
Overhead powerlines.
§57.12047
Guy wires.
§57.12048
Communication conductors on power poles.
§57.12050
Installation of trolley wires.
§57.12053
Circuits powered from trolley wires.

Surface Only

§57.12065
Short circuit and lightning protection.
§57.12066
Guarding trolley wires and bare powerlines.
§57.12067
Installation of transformers.
§57.12068
Locking transformer enclosures.
§57.12069
Lightning protection for telephone wires and ungrounded conductors.
§57.12071
Movement or operation of equipment near high-voltage powerlines.

Underground Only

§57.12080
Bare conductor guards.
§57.12081
Bonding metal pipelines to ground return circuits.
§57.12082
Isolation of powerlines.
§57.12083
Support of power cables in shafts and boreholes.
§57.12084
Branch circuit disconnecting devices.
§57.12085
Transformer stations.
§57.12086
Location of trolley wire.
§57.12088
Splicing trailing cables.
rule

Subpart L—COMPRESSED AIR AND BOILERS

§57.13001
General requirements for boilers and pressure vessels.
§57.13010
Reciprocating-type air compressors.
§57.13011
Air receiver tanks.
§57.13012
Compressor air intakes.
§57.13015
Inspection of compressed-air receivers and other unfired pressure vessels.
§57.13017
Compressor discharge pipes.
§57.13019
Pressure system repairs.
§57.13020
Use of compressed air.
§57.13021
High-pressure hose connections.
§57.13030
Boilers.
rule

Subpart M—MACHINERY AND EQUIPMENT

§57.14000
Definitions.

Safety Devices and Maintenance Requirements

§57.14100
Safety defects; examination, correction and records.
§57.14101
Brakes.
§57.14102
Brakes for rail equipment.
§57.14103
Operators' stations.
§57.14104
Tire repairs.
§57.14105
Procedures during repairs or maintenance.
§57.14106
Falling object protection.
§57.14107
Moving machine parts.
§57.14108
Overhead drive belts.
§57.14109
Unguarded conveyors with adjacent travelways.
§57.14110
Flying or falling materials.
§57.14111
Slusher, backlash guards and securing.
§57.14112
Construction and maintenance of guards.
§57.14113
Inclined conveyors: backstops or brakes.
§57.14114
Air valves for pneumatic equipment.
§57.14115
Stationary grinding machines.
§57.14116
Hand-held power tools.
§57.14130
Roll-over protective structures (ROPS) and seat belts for surface equipment.
§57.14131
Seat belts for surface haulage trucks.
§57.14132
Horns and backup alarms for surface equipment.
§57.14160
Mantrip trolley wire hazards underground.
§57.14161
Makeshift couplings.
§57.14162
Trip lights.

Safety Practices and Operational Procedures

§57.14200
Warnings prior to starting or moving equipment.
§57.14201
Conveyor start-up warnings.
§57.14202
Manual cleaning of conveyor pulleys.
§57.14203
Application of belt dressing.
§57.14204
Machinery lubrication.
§57.14205
Machinery, equipment, and tools.
§57.14206
Securing movable parts.
§57.14207
Parking procedures for unattended equipment.
§57.14208
Warning devices.
§57.14209
Safety procedures for towing.
§57.14210
Movement of dippers, buckets, loading booms, or suspended loads.
§57.14211
Blocking equipment in a raised position.
§57.14212
Chains, ropes, and drive belts.
§57.14213
Ventilation and shielding for welding.
§57.14214
Train warnings.
§57.14215
Coupling or uncoupling cars.
§57.14216
Backpoling.
§57.14217
Securing parked railcars.
§57.14218
Movement of equipment on adjacent tracks.
§57.14219
Brakeman signals.
Appendix
Appendix I to Subpart M of Part 57—National Consensus Standards
rule

Subpart N—PERSONAL PROTECTION

Surface and Underground

§57.15001
First aid materials.
§57.15002
Hard hats.
§57.15003
Protective footwear.
§57.15004
Eye protection.
§57.15005
Safety belts and lines.
§57.15006
Protective equipment and clothing for hazards and irritants.
§57.15007
Protective equipment or clothing for welding, cutting, or working with molten metal.
§57.15014
Eye protection when operating grinding wheels.

Surface Only

§57.15020
Life jackets and belts.

Underground Only

§57.15030
Provision and maintenance of self-rescue devices.
§57.15031
Location of self-rescue devices.
rule

Subpart O—MATERIALS STORAGE AND HANDLING

§57.16001
Stacking and storage of materials.
§57.16002
Bins, hoppers, silos, tanks, and surge piles.
§57.16003
Storage of hazardous materials.
§57.16004
Containers for hazardous materials.
§57.16005
Securing gas cylinders.
§57.16006
Protection of gas cylinder valves.
§57.16007
Taglines, hitches, and slings.
§57.16009
Suspended loads.
§57.16010
Dropping materials from overhead.
§57.16011
Riding hoisted loads or on the hoist hook.
§57.16012
Storage of incompatible substances.
§57.16013
Working with molten metal.
§57.16014
Operator-carrying overhead cranes.
§57.16015
Work or travel on overhead crane bridges.
§57.16016
Lift trucks.
§57.16017
Hoisting heavy equipment or material.
rule

Subpart P—ILLUMINATION

§57.17001
Illumination of surface working areas.
§57.17010
Electric lamps.
rule

Subpart Q—SAFETY PROGRAMS

Surface and Underground

§57.18002
Examination of working places.
§57.18006
New employees.
§57.18009
Designation of person in charge.
§57.18010
First aid.
§57.18012
Emergency telephone numbers.
§57.18013
Emergency communications system.
§57.18014
Emergency medical assistance and transportation.

Surface Only

§57.18020
Working alone.

Underground Only

§57.18025
Working alone.
§57.18028
Mine emergency and self-rescuer training.
rule

Subpart R—PERSONNEL HOISTING

§57.19000
Application.

Hoists

§57.19001
Rated capacities.
§57.19002
Anchoring.
§57.19003
Driving mechanism connections.
§57.19004
Brakes.
§57.19005
Locking mechanism for clutch.
§57.19006
Automatic hoist braking devices.
§57.19007
Overtravel and overspeed devices.
§57.19008
Friction hoist synchronizing mechanisms.
§57.19009
Position indicator.
§57.19010
Location of hoist controls.
§57.19011
Drum flanges.
§57.19012
Grooved drums.
§57.19013
Diesel- and other fuel-injection-powered hoists.
§57.19014
Friction hoist overtravel protection.
§57.19017
Emergency braking for electric hoists.
§57.19018
Overtravel by-pass switches.

Wire Ropes

§57.19019
Guide ropes.
§57.19021
Minimum rope strength.
§57.19022
Initial measurement.
§57.19023
Examinations.
§57.19024
Retirement criteria.
§57.19025
Load end attachments.
§57.19026
Drum end attachment.
§57.19027
End attachment retermination.
§57.19028
End attachment replacement.
§57.19030
Safety device attachments.

Headframes and Sheaves

§57.19035
Headframe design.
§57.19036
Headframe height.
§57.19037
Fleet angles.
§57.19038
Platforms around elevated head sheaves.

Conveyances

§57.19045
Metal bonnets.
§57.19049
Hoisting persons in buckets.
§57.19050
Bucket requirements.
§57.19054
Rope guides.

Hoisting Procedures

§57.19055
Availability of hoist operator for manual hoists.
§57.19056
Availability of hoist operator for automatic hoists.
§57.19057
Hoist operator's physical fitness.
§57.19058
Experienced hoist operators.
§57.19061
Maximum hoisting speeds.
§57.19062
Maximum acceleration and deceleration.
§57.19063
Persons allowed in hoist room.
§57.19065
Lowering conveyances by the brakes.
§57.19066
Maximum riders in a conveyance.
§57.19067
Trips during shift changes.
§57.19068
Orderly conduct in conveyances.
§57.19069
Entering and leaving conveyances.
§57.19070
Closing cage doors or gates.
§57.19071
Riding in skips or buckets.
§57.19072
Skips and cages in same compartment.
§57.19073
Hoisting during shift changes.
§57.19074
Riding the bail, rim, bonnet, or crosshead.
§57.19075
Use of open hooks.
§57.19076
Maximum speeds for hoisting persons in buckets.
§57.19077
Lowering buckets.
§57.19078
Hoisting buckets from the shaft bottom.
§57.19079
Blocking mine cars.
§57.19080
Hoisting tools, timbers, and other materials.
§57.19081
Conveyances not in use.
§57.19083
Overtravel backout device.

Signaling

§57.19090
Dual signaling systems.
§57.19091
Signaling instructions to hoist operator.
§57.19092
Signaling from conveyances.
§57.19093
Standard signal code.
§57.19094
Posting signal code.
§57.19095
Location of signal devices.
§57.19096
Familiarity with signal code.

Shafts

§57.19100
Shaft landing gates.
§57.19101
Stopblocks and derail switches.
§57.19102
Shaft guides.
§57.19103
Dumping facilities and loading pockets.
§57.19104
Clearance at shaft stations.
§57.19105
Landings with more than one shaft entrance.
§57.19106
Shaft sets.
§57.19107
Precautions for work in compartment affected by hoisting operation.
§57.19108
Posting warning signs during shaft work.
§57.19109
Shaft inspection and repair.
§57.19110
Overhead protection for shaft deepening work.
§57.19111
Shaft-sinking ladders.

Inspection and Maintenance

§57.19120
Procedures for inspection, testing, and maintenance.
§57.19121
Recordkeeping.
§57.19122
Replacement parts.
§57.19129
Examinations and tests at beginning of shift.
§57.19130
Conveyance shaft test.
§57.19131
Hoist conveyance connections.
§57.19132
Safety catches.
§57.19133
Shaft.
§57.19134
Sheaves.
§57.19135
Rollers in inclined shafts.
rule

Subpart S—MISCELLANEOUS

§57.20001
Intoxicating beverages and narcotics.
§57.20002
Potable water.
§57.20003
Housekeeping.
§57.20005
Carbon tetrachloride.
§57.20008
Toilet facilities.
§57.20009
Tests for explosive dusts.
§57.20010
Retaining dams.
§57.20011
Barricades and warning signs.
§57.20013
Waste receptacles.
§57.20014
Prohibited areas for food and beverages.
§57.20020
Unattended mine openings.
§57.20021
Abandoned mine openings.
§57.20031
Blasting underground in hazardous areas.
§57.20032
Two-way communication equipment for underground operations.
rule

Subpart T—SAFETY STANDARDS FOR METHANE IN METAL AND NONMETAL MINES

General

§57.22001
Scope.
§57.22002
Definitions.

Mine Categorization

§57.22003
Mine category or subcategory.
§57.22004
Category placement or change in placement.
§57.22005
Notice and appeal of placement or change in placement.

Fire Prevention and Control

§57.22101
Smoking (I-A, II-A, III, and V-A mines).
§57.22102
Smoking (I-C mines).
§57.22103
Open flames (I-A, II-A, III, and V-A mines).
§57.22104
Open flames (I-C mines).
§57.22105
Smoking and open flames (IV mines).
§57.22106
Dust containing volatile matter (I-C mines).

Ventilation

§57.22201
Mechanical ventilation (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines).
§57.22202
Main fans (I-A, I-B, I-C, II-A, III, V-A, and V-B mines).
§57.22203
Main fan operation (I-C mines).
§57.22204
Main fan operation and inspection (I-A, II-A, III, and V-A mines).
§57.22205
Doors on main fans (I-A, II-A, III, and V-A mines).
§57.22206
Main ventilation failure (I-A, II-A, III, and V-A mines).
§57.22207
Booster fans (I-A, II-A, III, and V-A mines).
§57.22208
Auxiliary fans (I-A, II-A, III, and V-A mines).
§57.22209
Auxiliary fans (I-C mines).
§57.22210
In-line filters (I-C mines).
§57.22211
Air flow (I-A mines).
§57.22212
Air flow (I-C, II-A, and V-A mines).
§57.22213
Air flow (III mines).
§57.22214
Changes in ventilation (I-A, II-A, III, and V-A mines).
§57.22215
Separation of intake and return air (I-A, II-A, III, and V-A mines).
§57.22216
Separation of intake and return air (I-C mines).
§57.22217
Seals and stoppings (I-A, I-B, and I-C mines).
§57.22218
Seals and stoppings (III, V-A, and V-B mines).
§57.22219
Seals and stoppings (II-A mines).
§57.22220
Air passing unsealed areas (I-A, II-A, III, and V-A mines).
§57.22221
Overcast and undercast construction (I-A, II-A, III, and V-A mines).
§57.22222
Ventilation materials (I-A, I-B, I-C, II-A, III, V-A, and V-B mines).
§57.22223
Crosscuts before abandonment (III mines).
§57.22224
Auxiliary equipment stations (I-A and III mines).
§57.22225
Auxiliary equipment stations (I-C mines).
§57.22226
Testing for methane (IV mines).
§57.22227
Approved testing devices (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines).
§57.22228
Preshift examination (I-A, I-C, II-A, III, and V-A mines).
§57.22229
Weekly testing (I-A, III, and V-A mines).
§57.22230
Weekly testing (II-A mines).
§57.22231
Actions at 0.25 percent methane (I-B, II-B, V-B, and VI mines).
§57.22232
Actions at 0.5 percent methane (I-B, II-A, II-B, IV, V-B, and VI mines).
§57.22233
Actions at 0.5 percent methane (I-C mines).
§57.22234
Actions at 1.0 percent methane (I-A, I-B, III, V-A, and V-B mines).
§57.22235
Actions at 1.0 percent methane (I-C, II-A, II-B, and IV mines).
§57.22236
Actions at 1.0 percent methane (VI mines).
§57.22237
Actions at 2.0 to 2.5 percent methane in bleeder systems (I-A and III mines).
§57.22238
Actions at 2.0 percent methane (I-B, II-B, V-B, and VI mines).
§57.22239
Actions at 2.0 percent methane (IV mines).
§57.22240
Actions at 2.0 percent methane (V-A mines).
§57.22241
Advance face boreholes (I-C mines).

Equipment

§57.22301
Atmospheric monitoring systems (I-A, II-A, and V-A mines).
§57.22302
Approved equipment (I-A and V-A mines).
§57.22303
Approved equipment (I-C mines).
§57.22304
Approved equipment (II-A mines).
§57.22305
Approved equipment (III mines).
§57.22306
Methane monitors (I-A mines).
§57.22307
Methane monitors (II-A mines).
§57.22308
Methane monitors (III mines).
§57.22309
Methane monitors (V-A mines).
§57.22310
Electrical cables (I-C mines).
§57.22311
Electrical cables (II-A mines).
§57.22312
Distribution boxes (II-A and V-A mines).
§57.22313
Explosion-protection systems (I-C mines).
§57.22314
Flow-control devices (V-A and V-B mines).
§57.22315
Self-contained breathing apparatus (V-A mines).

Underground Retorts

§57.22401
Underground retorts (I-A and I-B mines).

Illumination

§57.22501
Personal electric lamps (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines).

Explosives

§57.22601
Blasting from the surface (I-A mines).
§57.22602
Blasting from the surface (I-C mines).
§57.22603
Blasting from the surface (II-A mines).
§57.22604
Blasting from the surface (II-B mines).
§57.22605
Blasting from the surface (V-A mines).
§57.22606
Explosive materials and blasting units (III mines).
§57.22607
Blasting on shift (III mines).
§57.22608
Secondary blasting (I-A, II-A, and V-A mines).
Appendix
Appendix I to Subpart T of Part 57—Standard Applicability by Category or Subcategory


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