Title 30, Part 77 — Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines
274 sections
Section 77.1
Scope.
Section 77.2
Definitions.
Section 77.100
Certified person.
Section 77.101
Tests for methane and for oxygen deficiency; qualified person.
Section 77.102
Tests for methane; oxygen deficiency; qualified person, additional requirement.
Section 77.103
Electrical work; qualified person.
Section 77.104
Repair of energized surface high-voltage lines; qualified person.
Section 77.105
Qualified hoistman; slope or shaft sinking operation; qualifications.
Section 77.106
Records of certified and qualified persons.
Section 77.107
Training programs.
Section 77.107-1
Plans for training programs.
Section 77.200
Surface installations; general.
Section 77.201
Methane content in surface installations.
Section 77.201-1
Tests for methane; qualified person; use of approved device.
Section 77.201-2
Methane accumulations; change in ventilation.
Section 77.202
Dust accumulations in surface installations.
Section 77.203
Use of material or equipment overhead; safeguards.
Section 77.204
Openings in surface installations; safeguards.
Section 77.205
Travelways at surface installations.
Section 77.206
Ladders; construction; installation and maintenance.
Section 77.207
Illumination.
Section 77.208
Storage of materials.
Section 77.209
Surge and storage piles.
Section 77.210
Hoisting of materials.
Section 77.211
Draw-off tunnels; stockpiling and reclaiming operations; general.
Section 77.211-1
Continuous methane monitoring device; installation and operation; automatic deenergization of electric equipment.
Section 77.212
Draw-off tunnel ventilation fans; installation.
Section 77.213
Draw-off tunnel escapeways.
Section 77.214
Refuse piles; general.
Section 77.215
Refuse piles; construction requirements.
Section 77.215-1
Refuse piles; identification.
Section 77.215-2
Refuse piles; reporting requirements.
Section 77.215-3
Refuse piles: certification.
Section 77.215-4
Refuse piles; abandonment.
Section 77.216
Water, sediment, or slurry impoundments and impounding structures; general.
Section 77.216-1
Water, sediment or slurry impoundments and impounding structures; identification.
Section 77.216-2
Water, sediment, or slurry impoundments and impounding structures; minimum plan requirements; changes or modifications; certification.
Section 77.216-3
Water, sediment, or slurry impoundments and impounding structures; inspection requirements; correction of hazards; program requirements.
Section 77.216-4
Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification.
Section 77.216-5
Water, sediment or slurry impoundments and impounding structures; abandonment.
Section 77.217
Definitions.
Section 77.300
Thermal dryers; general.
Section 77.301
Dryer heating units; operation.
Section 77.302
Bypass stacks.
Section 77.303
Hot gas inlet chamber dropout doors.
Section 77.304
Explosion release vents.
Section 77.305
Access to drying chambers, hot gas inlet chambers and ductwork; installation and maintenance.
Section 77.306
Fire protection.
Section 77.307
Thermal dryers; location and installation; general.
Section 77.308
Structures housing other facilities; use of partitions.
Section 77.309
Visual check of system equipment.
Section 77.309-1
Control stations; location.
Section 77.310
Control panels.
Section 77.311
Alarm devices.
Section 77.312
Fail safe monitoring systems.
Section 77.313
Wet-coal feedbins; low-level indicators.
Section 77.314
Automatic temperature control instruments.
Section 77.315
Thermal dryers; examination and inspection.
Section 77.400
Mechanical equipment guards.
Section 77.401
Stationary grinding machines; protective devices.
Section 77.402
Hand-held power tools; safety devices.
Section 77.403
Mobile equipment; falling object protective structures (FOPS).
Section 77.403-1
Mobile equipment; rollover protective structures (ROPS).
Section 77.403-2
Incorporation by reference.
Section 77.404
Machinery and equipment; operation and maintenance.
Section 77.405
Performing work from a raised position; safeguards.
Section 77.406
Drive belts.
Section 77.407
Power-driven pulleys.
Section 77.408
Welding operations.
Section 77.409
Shovels, draglines, and tractors.
Section 77.410
Mobile equipment; automatic warning devices.
Section 77.411
Compressed air and boilers; general.
Section 77.412
Compressed air systems.
Section 77.413
Boilers.
Section 77.500
Electric power circuits and electric equipment; deenergization.
Section 77.501
Electric distribution circuits and equipment; repair.
Section 77.501-1
Qualified person.
Section 77.502
Electric equipment; examination, testing, and maintenance.
Section 77.502-1
Qualified person.
Section 77.502-2
Electric equipment; frequency of examination and testing.
Section 77.503
Electric conductors; capacity and insulation.
Section 77.503-1
Electric conductors.
Section 77.504
Electrical connections or splices; suitability.
Section 77.505
Cable fittings; suitability.
Section 77.506
Electric equipment and circuits; overload and short-circuit protection.
Section 77.506-1
Electric equipment and circuits; overload and short circuit protection; minimum requirements.
Section 77.507
Electric equipment; switches.
Section 77.508
Lightning arresters, ungrounded and exposed power conductors and telephone wires.
Section 77.508-1
Lightning arresters; wires entering buildings.
Section 77.509
Transformers; installation and guarding.
Section 77.510
Resistors; location and guarding.
Section 77.511
Danger signs at electrical installations.
Section 77.512
Inspection and cover plates.
Section 77.513
Insulating mats at power switches.
Section 77.514
Switchboards; passageways and clearance.
Section 77.515
Bare signal or control wires; voltage.
Section 77.516
Electric wiring and equipment; installation and maintenance.
Section 77.600
Trailing cables; short-circuit protection; disconnecting devices.
Section 77.601
Trailing cables or portable cables; temporary splices.
Section 77.602
Permanent splicing of trailing cables.
Section 77.603
Clamping of trailing cables to equipment.
Section 77.604
Protection of trailing cables.
Section 77.605
Breaking trailing cable and power cable connections.
Section 77.606
Energized trailing cables; handling.
Section 77.606-1
Rubber gloves; minimum requirements.
Section 77.700
Grounding metallic sheaths, armors, and conduits enclosing power conductors.
Section 77.700-1
Approved methods of grounding.
Section 77.701
Grounding metallic frames, casings, and other enclosures of electric equipment.
Section 77.701-1
Approved methods of grounding of equipment receiving power from ungrounded alternating current power systems.
Section 77.701-2
Approved methods of grounding metallic frames, casings, and other enclosures of electric equipment receiving power from a direct-current power system.
Section 77.701-3
Grounding wires; capacity.
Section 77.701-4
Use of grounding connectors.
Section 77.702
Protection other than grounding.
Section 77.703
Grounding frames of stationary high-voltage equipment receiving power from ungrounded delta systems.
Section 77.703-1
Approved methods of grounding.
Section 77.704
Work on high-voltage lines; deenergizing and grounding.
Section 77.704-1
Work on high-voltage lines.
Section 77.704-2
Repairs to energized high-voltage lines.
Section 77.704-3
Work on energized high-voltage surface lines; reporting.
Section 77.704-4
Simultaneous repairs.
Section 77.704-5
Installation of protective equipment.
Section 77.704-6
Protective clothing; use and inspection.
Section 77.704-7
Protective equipment; inspection.
Section 77.704-8
Protective equipment; testing and storage.
Section 77.704-9
Operating disconnecting or cutout switches.
Section 77.704-10
Tying into energized high-voltage surface circuits.
Section 77.704-11
Use of grounded messenger wires; ungrounded systems.
Section 77.705
Guy wires; grounding.
Section 77.800
High-voltage circuits; circuit breakers.
Section 77.800-1
Testing, examination, and maintenance of circuit breakers; procedures.
Section 77.800-2
Testing, examination, and maintenance of circuit breakers; record.
Section 77.801
Grounding resistors.
Section 77.801-1
Grounding resistors; continuous current rating.
Section 77.802
Protection of high-voltage circuits; neutral grounding resistors; disconnecting devices.
Section 77.803
Fail safe ground check circuits on high-voltage resistance grounded systems.
Section 77.803-1
Fail safe ground check circuits; maximum voltage.
Section 77.803-2
Ground check systems not employing pilot check wires; approval by the Secretary.
Section 77.804
High-voltage trailing cables; minimum design requirements.
Section 77.805
Cable couplers and connection boxes; minimum design requirements.
Section 77.806
Connection of single-phase loads.
Section 77.807
Installation of high-voltage transmission cables.
Section 77.807-1
High-voltage powerlines; clearances above ground.
Section 77.807-2
Booms and masts; minimum distance from high-voltage lines.
Section 77.807-3
Movement of equipment; minimum distance from high-voltage lines.
Section 77.808
Disconnecting devices.
Section 77.809
Identification of circuit breakers and disconnecting switches.
Section 77.810
High-voltage equipment; grounding.
Section 77.811
Movement of portable substations and transformers.
Section 77.900
Low- and medium-voltage circuits serving portable or mobile three-phase alternating current equipment; circuit breakers.
Section 77.900-1
Testing, examination, and maintenance of circuit breakers; procedures.
Section 77.900-2
Testing, examination, and maintenance of circuit breakers; record.
Section 77.901
Protection of low- and medium-voltage three-phase circuits.
Section 77.901-1
Grounding resistor; continuous current rating.
Section 77.902
Low- and medium-voltage ground check monitor circuits.
Section 77.902-1
Fail safe ground check circuits; maximum voltage.
Section 77.902-2
Approved ground check systems not employing pilot check wires.
Section 77.902-3
Attachment of ground conductors and ground check wires to equipment frames; use of separate connections.
Section 77.903
Disconnecting devices.
Section 77.904
Identification of circuit breakers.
Section 77.905
Connection of single-phase loads.
Section 77.906
Trailing cables supplying power to low-voltage mobile equipment; ground wires and ground check wires.
Section 77.1000
Highwalls, pits and spoil banks; plans.
Section 77.1000-1
Filing of plan.
Section 77.1001
Stripping; loose material.
Section 77.1002
Box cuts; spoil material placement.
Section 77.1003
Benches.
Section 77.1004
Ground control; inspection and maintenance; general.
Section 77.1005
Scaling highwalls; general.
Section 77.1006
Highwalls; men working.
Section 77.1007
Drilling; general.
Section 77.1008
Relocation of drills; safeguards.
Section 77.1009
Drill; operation.
Section 77.1010
Collaring holes.
Section 77.1011
Drill holes; guarding.
Section 77.1012
Jackhammers; operation; safeguards.
Section 77.1013
Air drills; safeguards.
Section 77.1100
Fire protection; training and organization.
Section 77.1101
Escape and evacuation; plan.
Section 77.1102
Warning signs; smoking and open flame.
Section 77.1103
Flammable liquids; storage.
Section 77.1104
Accumulations of combustible materials.
Section 77.1105
Internal combustion engines; fueling.
Section 77.1106
Battery-charging stations; ventilation.
Section 77.1107
Belt conveyors.
Section 77.1108
Firefighting equipment; requirements; general.
Section 77.1108-1
Type and capacity of firefighting equipment.
Section 77.1109
Quantity and location of firefighting equipment.
Section 77.1110
Examination and maintenance of firefighting equipment.
Section 77.1111
Welding, cutting, soldering; use of fire extinguisher.
Section 77.1112
Welding, cutting, or soldering with arc or flame; safeguards.
Section 77.1200
Mine map.
Section 77.1201
Certification of mine maps.
Section 77.1202
Availability of mine map.
Section 77.1300
Explosives and blasting.
Section 77.1301
Explosives; magazines.
Section 77.1302
Vehicles used to transport explosives.
Section 77.1303
Explosives, handling and use.
Section 77.1304
Blasting agents; special provisions.
Section 77.1400
Personnel hoists and elevators.
Section 77.1401
Automatic controls and brakes.
Section 77.1402
Rated capacity.
Section 77.1402-1
Maximum load; posting.
Section 77.1403
Daily examination of hoisting equipment.
Section 77.1404
Certifications and records of daily examinations.
Section 77.1405
Operation of hoisting equipment after repairs.
Section 77.1430
Wire ropes; scope.
Section 77.1431
Minimum rope strength.
Section 77.1432
Initial measurement.
Section 77.1433
Examinations.
Section 77.1434
Retirement criteria.
Section 77.1435
Load end attachments.
Section 77.1436
Drum end attachment.
Section 77.1437
End attachment retermination.
Section 77.1438
End attachment replacement.
Section 77.1500
Auger mining; planning.
Section 77.1501
Auger mining; inspections.
Section 77.1502
Auger holes; restriction against entering.
Section 77.1503
Augering equipment; overhead protection.
Section 77.1504
Auger equipment; operation.
Section 77.1505
Auger holes; blocking.
Section 77.1600
Loading and haulage; general.
Section 77.1601
Transportation of persons; restrictions.
Section 77.1602
Use of aerial tramways to transport persons.
Section 77.1603
Trains and locomotives; authorized persons.
Section 77.1604
Transportation of persons; overcrowding.
Section 77.1605
Loading and haulage equipment; installations.
Section 77.1606
Loading and haulage equipment; inspection and maintenance.
Section 77.1607
Loading and haulage equipment; operation.
Section 77.1608
Dumping facilities.
Section 77.1700
Communications in work areas.
Section 77.1701
Emergency communications; requirements.
Section 77.1702
Arrangements for emergency medical assistance and transportation for injured persons; reporting requirements; posting requirements.
Section 77.1703
First-Aid training; supervisory employees.
Section 77.1704
First aid training program; availability of instruction to all miners.
Section 77.1705
First aid training program; retraining of supervisory employees; availability to all miners.
Section 77.1706
First aid training program; minimum requirements.
Section 77.1707
First aid equipment; location; minimum requirements.
Section 77.1708
Safety program; instruction of persons employed at the mine.
Section 77.1710
Protective clothing; requirements.
Section 77.1710-1
Distinctively colored hard hats or hard caps; identification for newly employed, inexperienced miners.
Section 77.1711
Smoking prohibition.
Section 77.1712
Reopening mines; notification; inspection prior to mining.
Section 77.1713
Daily inspection of surface coal mine; certified person; reports of inspection.
Section 77.1800
Cutout switches.
Section 77.1801
Overcurrent protection.
Section 77.1801-1
Devices for overcurrent protection.
Section 77.1802
Insulation of trolley wires, trolley feeder wires and bare signal wires; guarding of trolley wires and trolley feeder wires.
Section 77.1900
Slopes and shafts; approval of plans.
Section 77.1900-1
Compliance with approved slope and shaft sinking plans.
Section 77.1901
Preshift and onshift inspections; reports.
Section 77.1901-1
Methane and oxygen deficiency tests; approved devices.
Section 77.1902
Drilling and mucking operations.
Section 77.1902-1
Permissible diesel-powered equipment.
Section 77.1903
Hoists and hoisting; minimum requirements.
Section 77.1904
Communications between slope and shaft bottoms and hoist operators.
Section 77.1905
Hoist safeguards; general.
Section 77.1906
Hoists; daily inspection.
Section 77.1907
Hoist construction; general.
Section 77.1908
Hoist installations; use.
Section 77.1908-1
Hoist operation; qualified hoistman.
Section 77.1909
Explosives and blasting; use of permissible explosives and shot-firing units.
Section 77.1909-1
Use of nonpermissible explosives and nonpermissible shot-firing units; approval by Health and Safety District Manager.
Section 77.1910
Explosives and blasting; general.
Section 77.1911
Ventilation of slopes and shafts.
Section 77.1912
Ladders and stairways.
Section 77.1913
Fire-resistant wood.
Section 77.1914
Electrical equipment.
Section 77.1915
Storage and handling of combustible materials.
Section 77.1916
Welding, cutting, and soldering; fire protection.
Section 77.2100
Purpose and scope.
Section 77.2101
Definitions.
Section 77.2102
Written safety program.
Section 77.2103
Requirements for written safety program.
Section 77.2104
Record and inspection.