Part 77 — Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines
Subpart A — General
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
Subpart N — Explosives and Blasting
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.
- § 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
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
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.