30 CFR Part 77
PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
- PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
- Chapter I—Mine Safety and Health Administration, Department of Labor › Subchapter O—Coal Mine Safety and Health
- Subpart A—General
- § 77.1 Scope.
- § 77.2 Definitions.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Subpart M—Maps
- § 77.1200 Mine map.
- § 77.1201 Certification of mine maps.
- § 77.1202 Availability of mine map.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Subpart U—Approved Books and Records [Reserved]
- Subpart V—Safety Program for Surface Mobile Equipment
- § 77.2100 Purpose and scope.
- § 77.2101 Definitions.
- § 77.2102 Written safety program.
- § 77.2103 Requirements for written safety program.
- § 77.2104 Record and inspection.
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