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Electronic Code of Federal Regulations

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e-CFR Data is current as of October 17, 2014

Title 30Chapter ISubchapter OPart 77


TITLE 30—Mineral Resources

CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR

SUBCHAPTER O—COAL MINE SAFETY AND HEALTH

PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES

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Subpart A—GENERAL

§77.1
Scope.
§77.2
Definitions.
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Subpart B—QUALIFIED AND CERTIFIED PERSONS

§77.100
Certified person.
§77.101
Tests for methane and for oxygen deficiency; qualified person.
§77.102
Tests for methane; oxygen deficiency; qualified person, additional requirement.
§77.103
Electrical work; qualified person.
§77.104
Repair of energized surface high-voltage lines; qualified person.
§77.105
Qualified hoistman; slope or shaft sinking operation; qualifications.
§77.106
Records of certified and qualified persons.
§77.107
Training programs.
§77.107-1
Plans for training programs.
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Subpart C—SURFACE INSTALLATIONS

§77.200
Surface installations; general.
§77.201
Methane content in surface installations.
§77.201-1
Tests for methane; qualified person; use of approved device.
§77.201-2
Methane accumulations; change in ventilation.
§77.202
Dust accumulations in surface installations.
§77.203
Use of material or equipment overhead; safeguards.
§77.204
Openings in surface installations; safeguards.
§77.205
Travelways at surface installations.
§77.206
Ladders; construction; installation and maintenance.
§77.207
Illumination.
§77.208
Storage of materials.
§77.209
Surge and storage piles.
§77.210
Hoisting of materials.
§77.211
Draw-off tunnels; stockpiling and reclaiming operations; general.
§77.211-1
Continuous methane monitoring device; installation and operation; automatic deenergization of electric equipment.
§77.212
Draw-off tunnel ventilation fans; installation.
§77.213
Draw-off tunnel escapeways.
§77.214
Refuse piles; general.
§77.215
Refuse piles; construction requirements.
§77.215-1
Refuse piles; identification.
§77.215-2
Refuse piles; reporting requirements.
§77.215-3
Refuse piles: certification.
§77.215-4
Refuse piles; abandonment.
§77.216
Water, sediment, or slurry impoundments and impounding structures; general.
§77.216-1
Water, sediment or slurry impoundments and impounding structures; identification.
§77.216-2
Water, sediment, or slurry impoundments and impounding structures; minimum plan requirements; changes or modifications; certification.
§77.216-3
Water, sediment, or slurry impoundments and impounding structures; inspection requirements; correction of hazards; program requirements.
§77.216-4
Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification.
§77.216-5
Water, sediment or slurry impoundments and impounding structures; abandonment.
§77.217
Definitions.
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Subpart D—THERMAL DRYERS

§77.300
Thermal dryers; general.
§77.301
Dryer heating units; operation.
§77.302
Bypass stacks.
§77.303
Hot gas inlet chamber dropout doors.
§77.304
Explosion release vents.
§77.305
Access to drying chambers, hot gas inlet chambers and ductwork; installation and maintenance.
§77.306
Fire protection.
§77.307
Thermal dryers; location and installation; general.
§77.308
Structures housing other facilities; use of partitions.
§77.309
Visual check of system equipment.
§77.309-1
Control stations; location.
§77.310
Control panels.
§77.311
Alarm devices.
§77.312
Fail safe monitoring systems.
§77.313
Wet-coal feedbins; low-level indicators.
§77.314
Automatic temperature control instruments.
§77.315
Thermal dryers; examination and inspection.
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Subpart E—SAFEGUARDS FOR MECHANICAL EQUIPMENT

§77.400
Mechanical equipment guards.
§77.401
Stationary grinding machines; protective devices.
§77.402
Hand-held power tools; safety devices.
§77.403
Mobile equipment; falling object protective structures (FOPS).
§77.403-1
Mobile equipment; rollover protective structures (ROPS).
§77.403-2
Incorporation by reference.
§77.404
Machinery and equipment; operation and maintenance.
§77.405
Performing work from a raised position; safeguards.
§77.406
Drive belts.
§77.407
Power-driven pulleys.
§77.408
Welding operations.
§77.409
Shovels, draglines, and tractors.
§77.410
Mobile equipment; automatic warning devices.
§77.411
Compressed air and boilers; general.
§77.412
Compressed air systems.
§77.413
Boilers.
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Subpart F—ELECTRICAL EQUIPMENT—GENERAL

§77.500
Electric power circuits and electric equipment; deenergization.
§77.501
Electric distribution circuits and equipment; repair.
§77.501-1
Qualified person.
§77.502
Electric equipment; examination, testing, and maintenance.
§77.502-1
Qualified person.
§77.502-2
Electric equipment; frequency of examination and testing.
§77.503
Electric conductors; capacity and insulation.
§77.503-1
Electric conductors.
§77.504
Electrical connections or splices; suitability.
§77.505
Cable fittings; suitability.
§77.506
Electric equipment and circuits; overload and short-circuit protection.
§77.506-1
Electric equipment and circuits; overload and short circuit protection; minimum requirements.
§77.507
Electric equipment; switches.
§77.508
Lightning arresters, ungrounded and exposed power conductors and telephone wires.
§77.508-1
Lightning arresters; wires entering buildings.
§77.509
Transformers; installation and guarding.
§77.510
Resistors; location and guarding.
§77.511
Danger signs at electrical installations.
§77.512
Inspection and cover plates.
§77.513
Insulating mats at power switches.
§77.514
Switchboards; passageways and clearance.
§77.515
Bare signal or control wires; voltage.
§77.516
Electric wiring and equipment; installation and maintenance.
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Subpart G—TRAILING CABLES

§77.600
Trailing cables; short-circuit protection; disconnecting devices.
§77.601
Trailing cables or portable cables; temporary splices.
§77.602
Permanent splicing of trailing cables.
§77.603
Clamping of trailing cables to equipment.
§77.604
Protection of trailing cables.
§77.605
Breaking trailing cable and power cable connections.
§77.606
Energized trailing cables; handling.
§77.606-1
Rubber gloves; minimum requirements.
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Subpart H—GROUNDING

§77.700
Grounding metallic sheaths, armors, and conduits enclosing power conductors.
§77.700-1
Approved methods of grounding.
§77.701
Grounding metallic frames, casings, and other enclosures of electric equipment.
§77.701-1
Approved methods of grounding of equipment receiving power from ungrounded alternating current power systems.
§77.701-2
Approved methods of grounding metallic frames, casings, and other enclosures of electric equipment receiving power from a direct-current power system.
§77.701-3
Grounding wires; capacity.
§77.701-4
Use of grounding connectors.
§77.702
Protection other than grounding.
§77.703
Grounding frames of stationary high-voltage equipment receiving power from ungrounded delta systems.
§77.703-1
Approved methods of grounding.
§77.704
Work on high-voltage lines; deenergizing and grounding.
§77.704-1
Work on high-voltage lines.
§77.704-2
Repairs to energized high-voltage lines.
§77.704-3
Work on energized high-voltage surface lines; reporting.
§77.704-4
Simultaneous repairs.
§77.704-5
Installation of protective equipment.
§77.704-6
Protective clothing; use and inspection.
§77.704-7
Protective equipment; inspection.
§77.704-8
Protective equipment; testing and storage.
§77.704-9
Operating disconnecting or cutout switches.
§77.704-10
Tying into energized high-voltage surface circuits.
§77.704-11
Use of grounded messenger wires; ungrounded systems.
§77.705
Guy wires; grounding.
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Subpart I—SURFACE HIGH-VOLTAGE DISTRIBUTION

§77.800
High-voltage circuits; circuit breakers.
§77.800-1
Testing, examination, and maintenance of circuit breakers; procedures.
§77.800-2
Testing, examination, and maintenance of circuit breakers; record.
§77.801
Grounding resistors.
§77.801-1
Grounding resistors; continuous current rating.
§77.802
Protection of high-voltage circuits; neutral grounding resistors; disconnecting devices.
§77.803
Fail safe ground check circuits on high-voltage resistance grounded systems.
§77.803-1
Fail safe ground check circuits; maximum voltage.
§77.803-2
Ground check systems not employing pilot check wires; approval by the Secretary.
§77.804
High-voltage trailing cables; minimum design requirements.
§77.805
Cable couplers and connection boxes; minimum design requirements.
§77.806
Connection of single-phase loads.
§77.807
Installation of high-voltage transmission cables.
§77.807-1
High-voltage powerlines; clearances above ground.
§77.807-2
Booms and masts; minimum distance from high-voltage lines.
§77.807-3
Movement of equipment; minimum distance from high-voltage lines.
§77.808
Disconnecting devices.
§77.809
Identification of circuit breakers and disconnecting switches.
§77.810
High-voltage equipment; grounding.
§77.811
Movement of portable substations and transformers.
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Subpart J—LOW- AND MEDIUM-VOLTAGE ALTERNATING CURRENT CIRCUITS

§77.900
Low- and medium-voltage circuits serving portable or mobile three-phase alternating current equipment; circuit breakers.
§77.900-1
Testing, examination, and maintenance of circuit breakers; procedures.
§77.900-2
Testing, examination, and maintenance of circuit breakers; record.
§77.901
Protection of low- and medium-voltage three-phase circuits.
§77.901-1
Grounding resistor; continuous current rating.
§77.902
Low- and medium-voltage ground check monitor circuits.
§77.902-1
Fail safe ground check circuits; maximum voltage.
§77.902-2
Approved ground check systems not employing pilot check wires.
§77.902-3
Attachment of ground conductors and ground check wires to equipment frames; use of separate connections.
§77.903
Disconnecting devices.
§77.904
Identification of circuit breakers.
§77.905
Connection of single-phase loads.
§77.906
Trailing cables supplying power to low-voltage mobile equipment; ground wires and ground check wires.
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Subpart K—GROUND CONTROL

§77.1000
Highwalls, pits and spoil banks; plans.
§77.1000-1
Filing of plan.
§77.1001
Stripping; loose material.
§77.1002
Box cuts; spoil material placement.
§77.1003
Benches.
§77.1004
Ground control; inspection and maintenance; general.
§77.1005
Scaling highwalls; general.
§77.1006
Highwalls; men working.
§77.1007
Drilling; general.
§77.1008
Relocation of drills; safeguards.
§77.1009
Drill; operation.
§77.1010
Collaring holes.
§77.1011
Drill holes; guarding.
§77.1012
Jackhammers; operation; safeguards.
§77.1013
Air drills; safeguards.
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Subpart L—FIRE PROTECTION

§77.1100
Fire protection; training and organization.
§77.1101
Escape and evacuation; plan.
§77.1102
Warning signs; smoking and open flame.
§77.1103
Flammable liquids; storage.
§77.1104
Accumulations of combustible materials.
§77.1105
Internal combustion engines; fueling.
§77.1106
Battery-charging stations; ventilation.
§77.1107
Belt conveyors.
§77.1108
Firefighting equipment; requirements; general.
§77.1108-1
Type and capacity of firefighting equipment.
§77.1109
Quantity and location of firefighting equipment.
§77.1110
Examination and maintenance of firefighting equipment.
§77.1111
Welding, cutting, soldering; use of fire extinguisher.
§77.1112
Welding, cutting, or soldering with arc or flame; safeguards.
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Subpart M—MAPS

§77.1200
Mine map.
§77.1201
Certification of mine maps.
§77.1202
Availability of mine map.
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Subpart N—EXPLOSIVES AND BLASTING

§77.1300
Explosives and blasting.
§77.1301
Explosives; magazines.
§77.1302
Vehicles used to transport explosives.
§77.1303
Explosives, handling and use.
§77.1304
Blasting agents; special provisions.
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Subpart O—PERSONNEL HOISTING

§77.1400
Personnel hoists and elevators.
§77.1401
Automatic controls and brakes.
§77.1402
Rated capacity.
§77.1402-1
Maximum load; posting.
§77.1403
Daily examination of hoisting equipment.
§77.1404
Certifications and records of daily examinations.
§77.1405
Operation of hoisting equipment after repairs.

Wire Ropes

§77.1430
Wire ropes; scope.
§77.1431
Minimum rope strength.
§77.1432
Initial measurement.
§77.1433
Examinations.
§77.1434
Retirement criteria.
§77.1435
Load end attachments.
§77.1436
Drum end attachment.
§77.1437
End attachment retermination.
§77.1438
End attachment replacement.
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Subpart P—AUGER MINING

§77.1500
Auger mining; planning.
§77.1501
Auger mining; inspections.
§77.1502
Auger holes; restriction against entering.
§77.1503
Augering equipment; overhead protection.
§77.1504
Auger equipment; operation.
§77.1505
Auger holes; blocking.
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Subpart Q—LOADING AND HAULAGE

§77.1600
Loading and haulage; general.
§77.1601
Transportation of persons; restrictions.
§77.1602
Use of aerial tramways to transport persons.
§77.1603
Trains and locomotives; authorized persons.
§77.1604
Transportation of persons; overcrowding.
§77.1605
Loading and haulage equipment; installations.
§77.1606
Loading and haulage equipment; inspection and maintenance.
§77.1607
Loading and haulage equipment; operation.
§77.1608
Dumping facilities.
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Subpart R—MISCELLANEOUS

§77.1700
Communications in work areas.
§77.1701
Emergency communications; requirements.
§77.1702
Arrangements for emergency medical assistance and transportation for injured persons; reporting requirements; posting requirements.
§77.1703
First-Aid training; supervisory employees.
§77.1704
First aid training program; availability of instruction to all miners.
§77.1705
First aid training program; retraining of supervisory employees; availability to all miners.
§77.1706
First aid training program; minimum requirements.
§77.1707
First aid equipment; location; minimum requirements.
§77.1708
Safety program; instruction of persons employed at the mine.
§77.1710
Protective clothing; requirements.
§77.1710-1
Distinctively colored hard hats or hard caps; identification for newly employed, inexperienced miners.
§77.1711
Smoking prohibition.
§77.1712
Reopening mines; notification; inspection prior to mining.
§77.1713
Daily inspection of surface coal mine; certified person; reports of inspection.
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Subpart S—TROLLEY WIRES AND TROLLEY FEEDER WIRES

§77.1800
Cutout switches.
§77.1801
Overcurrent protection.
§77.1801-1
Devices for overcurrent protection.
§77.1802
Insulation of trolley wires, trolley feeder wires and bare signal wires; guarding of trolley wires and trolley feeder wires.
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Subpart T—SLOPE AND SHAFT SINKING

§77.1900
Slopes and shafts; approval of plans.
§77.1900-1
Compliance with approved slope and shaft sinking plans.
§77.1901
Preshift and onshift inspections; reports.
§77.1901-1
Methane and oxygen deficiency tests; approved devices.
§77.1902
Drilling and mucking operations.
§77.1902-1
Permissible diesel-powered equipment.
§77.1903
Hoists and hoisting; minimum requirements.
§77.1904
Communications between slope and shaft bottoms and hoist operators.
§77.1905
Hoist safeguards; general.
§77.1906
Hoists; daily inspection.
§77.1907
Hoist construction; general.
§77.1908
Hoist installations; use.
§77.1908-1
Hoist operation; qualified hoistman.
§77.1909
Explosives and blasting; use of permissible explosives and shot-firing units.
§77.1909-1
Use of nonpermissible explosives and nonpermissible shot-firing units; approval by Health and Safety District Manager.
§77.1910
Explosives and blasting; general.
§77.1911
Ventilation of slopes and shafts.
§77.1912
Ladders and stairways.
§77.1913
Fire-resistant wood.
§77.1914
Electrical equipment.
§77.1915
Storage and handling of combustible materials.
§77.1916
Welding, cutting, and soldering; fire protection.
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Subpart U—APPROVED BOOKS AND RECORDS [RESERVED]



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