Title 30
Mineral Resources
5,954 sections · 206 parts · 6 chapterseCFR snapshot through 2026-08-19
Part 77
MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
1–100 of 274 sections
- § 77.1Scope.
- § 77.2Definitions.
- § 77.100Certified person.
- § 77.101Tests for methane and for oxygen deficiency; qualified person.
- § 77.102Tests for methane; oxygen deficiency; qualified person, additional requirement.
- § 77.103Electrical work; qualified person.
- § 77.104Repair of energized surface high-voltage lines; qualified person.
- § 77.105Qualified hoistman; slope or shaft sinking operation; qualifications.
- § 77.106Records of certified and qualified persons.
- § 77.107Training programs.
- § 77.107-1Plans for training programs.
- § 77.200Surface installations; general.
- § 77.201Methane content in surface installations.
- § 77.201-1Tests for methane; qualified person; use of approved device.
- § 77.201-2Methane accumulations; change in ventilation.
- § 77.202Dust accumulations in surface installations.
- § 77.203Use of material or equipment overhead; safeguards.
- § 77.204Openings in surface installations; safeguards.
- § 77.205Travelways at surface installations.
- § 77.206Ladders; construction; installation and maintenance.
- § 77.207Illumination.
- § 77.208Storage of materials.
- § 77.209Surge and storage piles.
- § 77.210Hoisting of materials.
- § 77.211Draw-off tunnels; stockpiling and reclaiming operations; general.
- § 77.211-1Continuous methane monitoring device; installation and operation; automatic deenergization of electric equipment.
- § 77.212Draw-off tunnel ventilation fans; installation.
- § 77.213Draw-off tunnel escapeways.
- § 77.214Refuse piles; general.
- § 77.215Refuse piles; construction requirements.
- § 77.215-1Refuse piles; identification.
- § 77.215-2Refuse piles; reporting requirements.
- § 77.215-3Refuse piles: certification.
- § 77.215-4Refuse piles; abandonment.
- § 77.216Water, sediment, or slurry impoundments and impounding structures; general.
- § 77.216-1Water, sediment or slurry impoundments and impounding structures; identification.
- § 77.216-2Water, sediment, or slurry impoundments and impounding structures; minimum plan requirements; changes or modifications; certification.
- § 77.216-3Water, sediment, or slurry impoundments and impounding structures; inspection requirements; correction of hazards; program requirements.
- § 77.216-4Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification.
- § 77.216-5Water, sediment or slurry impoundments and impounding structures; abandonment.
- § 77.217Definitions.
- § 77.300Thermal dryers; general.
- § 77.301Dryer heating units; operation.
- § 77.302Bypass stacks.
- § 77.303Hot gas inlet chamber dropout doors.
- § 77.304Explosion release vents.
- § 77.305Access to drying chambers, hot gas inlet chambers and ductwork; installation and maintenance.
- § 77.306Fire protection.
- § 77.307Thermal dryers; location and installation; general.
- § 77.308Structures housing other facilities; use of partitions.
- § 77.309Visual check of system equipment.
- § 77.309-1Control stations; location.
- § 77.310Control panels.
- § 77.311Alarm devices.
- § 77.312Fail safe monitoring systems.
- § 77.313Wet-coal feedbins; low-level indicators.
- § 77.314Automatic temperature control instruments.
- § 77.315Thermal dryers; examination and inspection.
- § 77.400Mechanical equipment guards.
- § 77.401Stationary grinding machines; protective devices.
- § 77.402Hand-held power tools; safety devices.
- § 77.403Mobile equipment; falling object protective structures (FOPS).
- § 77.403-1Mobile equipment; rollover protective structures (ROPS).
- § 77.403-2Incorporation by reference.
- § 77.404Machinery and equipment; operation and maintenance.
- § 77.405Performing work from a raised position; safeguards.
- § 77.406Drive belts.
- § 77.407Power-driven pulleys.
- § 77.408Welding operations.
- § 77.409Shovels, draglines, and tractors.
- § 77.410Mobile equipment; automatic warning devices.
- § 77.411Compressed air and boilers; general.
- § 77.412Compressed air systems.
- § 77.413Boilers.
- § 77.500Electric power circuits and electric equipment; deenergization.
- § 77.501Electric distribution circuits and equipment; repair.
- § 77.501-1Qualified person.
- § 77.502Electric equipment; examination, testing, and maintenance.
- § 77.502-1Qualified person.
- § 77.502-2Electric equipment; frequency of examination and testing.
- § 77.503Electric conductors; capacity and insulation.
- § 77.503-1Electric conductors.
- § 77.504Electrical connections or splices; suitability.
- § 77.505Cable fittings; suitability.
- § 77.506Electric equipment and circuits; overload and short-circuit protection.
- § 77.506-1Electric equipment and circuits; overload and short circuit protection; minimum requirements.
- § 77.507Electric equipment; switches.
- § 77.508Lightning arresters, ungrounded and exposed power conductors and telephone wires.
- § 77.508-1Lightning arresters; wires entering buildings.
- § 77.509Transformers; installation and guarding.
- § 77.510Resistors; location and guarding.
- § 77.511Danger signs at electrical installations.
- § 77.512Inspection and cover plates.
- § 77.513Insulating mats at power switches.
- § 77.514Switchboards; passageways and clearance.
- § 77.515Bare signal or control wires; voltage.
- § 77.516Electric wiring and equipment; installation and maintenance.
- § 77.600Trailing cables; short-circuit protection; disconnecting devices.
- § 77.601Trailing cables or portable cables; temporary splices.
- § 77.602Permanent splicing of trailing cables.