Title 30--Mineral Resources
CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES
|
|
| 57.1 |
Purpose and scope. |
|
| 57.2 |
Definitions. |
|
| 57.1000 |
Notification of commencement of operations and closing of mines. |
|
| 57.3000 |
Definitions. |
|
| 57.3200 |
Correction of hazardous conditions. |
|
| 57.3201 |
Location for performing scaling. |
|
| 57.3202 |
Scaling tools. |
|
| 57.3203 |
Rock fixtures. |
|
| 57.3360 |
Ground support use. |
|
| 57.3400 |
Secondary breakage. |
|
| 57.3401 |
Examination of ground conditions. |
|
| 57.3430 |
Activity between machinery or equipment and the highwall or bank. |
|
| 57.3460 |
Maintenance between machinery or equipment and ribs. |
|
| 57.3461 |
Rock bursts. |
|
| 57.4000 |
Definitions. |
|
| 57.4011 |
Abandoned electric circuits. |
|
| 57.4057 |
Underground trailing cables. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 57.4760 |
Shaft mines. |
|
| 57.4761 |
Underground shops. |
|
| 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. |
|
| 57.5015 |
Oxygen deficiency. |
|
| 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. |
|
| 57.5060 |
Limit on exposure to diesel particulate matter. |
|
| 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. |
|
| 57.6000 |
Definitions. |
|
| 57.6100 |
Separation of stored explosive material. |
|
| 57.6101 |
Areas around explosive material storage facilities. |
|
| 57.6102 |
Explosive material storage practices. |
|
| 57.6130 |
Explosive material storage facilities. |
|
| 57.6131 |
Location of explosive material storage facilities. |
|
| 57.6132 |
Magazine requirements. |
|
| 57.6133 |
Powder chests.
|
|
| 57.6160 |
Main facilities. |
|
| 57.6161 |
Auxiliary facilities. |
|
| 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. |
|
| 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. |
|
| 57.6500 |
Damaged initiating material. |
|
| 57.6501 |
Nonelectric initiation systems. |
|
| 57.6502 |
Safety fuse. |
|
| 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. |
|
| 57.6700 |
Nonsparking tools. |
|
| 57.6701 |
Tamping and loading pole requirements. |
|
| 57.6800 |
Storage facilities. |
|
| 57.6801 |
Vehicle repair. |
|
| 57.6802 |
Bulk delivery vehicles. |
|
| 57.6803 |
Blasting lines. |
|
| 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. |
|
| 57.6960 |
Mixing of explosive material. |
|
| 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. |
|
| 57.7028 |
Hand clearance. |
|
| 57.7032 |
Anchoring. |
|
| 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. |
|
| 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. |
|
| 57.8518 |
Main and booster fans. |
|
| 57.8519 |
Underground main fan controls. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 57.11025 |
Railed landings, backguards, and other protection for fixed ladders. |
|
| 57.11026 |
Protection for inclined fixed ladders. |
|
| 57.11027 |
Scaffolds and working platforms. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 57.14000 |
Definitions. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 57.15020 |
Life jackets and belts. |
|
| 57.15030 |
Provision and maintenance of self-rescue devices. |
|
| 57.15031 |
Location of self-rescue devices. |
|
| 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. |
|
| 57.17001 |
Illumination of surface working areas. |
|
| 57.17010 |
Electric lamps. |
|
| 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. |
|
| 57.18020 |
Working alone. |
|
| 57.18025 |
Working alone. |
|
| 57.18028 |
Mine emergency and self-rescuer training.
|
|
| 57.19000 |
Application. |
|
| 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. |
|
| 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. |
|
| 57.19035 |
Headframe design. |
|
| 57.19036 |
Headframe height. |
|
| 57.19037 |
Fleet angles. |
|
| 57.19038 |
Platforms around elevated head sheaves. |
|
| 57.19045 |
Metal bonnets. |
|
| 57.19049 |
Hoisting persons in buckets. |
|
| 57.19050 |
Bucket requirements. |
|
| 57.19054 |
Rope guides. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 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. |
|
| 57.22001 |
Scope. |
|
| 57.22002 |
Definitions. |
|
| 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.
|
|
| 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). |
|
| 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). |
|
| 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). |
|
| 57.22401 |
Underground retorts (I-A and I-B mines). |
|
| 57.22501 |
Personal electric lamps (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines). |
|
| 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). |