reglab/statecodes huggingface dataset:
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1106-4 - Use of liquefied and nonliquefied compressed gacylinders; general requirements

Current through July 13, 2024
(a) Persons
				  assigned by the operator to use and work with liquefied and nonliquefied
				  compressed gas shall be trained and designated by the operator as qualified to
				  perform the work to which they are assigned, and such qualified persons shall
				  be specifically instructed with respect to the dangers inherent in the use of
				  such gases in an underground coal mine.
(b) Persons who perform welding, cutting, or
				  burning operations shall wear clothing free from excessive oil or
				  grease.
(c) Liquefied and
				  nonliquefied compressed gas shall be used only in well-ventilated
				  areas.
(d) Not more than one
				  liquefied or nonliquefied compressed gas unit, consisting of one oxygen
				  cylinder and one additional gas cylinder, shall be used to repair any unit of
				  equipment which is inby the loading point of any section.
(e) Where liquefied and nonliquefied
				  compressed gas is used regularly in underground shops or other underground
				  structures, such shops or structures shall be on a separate split of
				  air.
(f) Where liquefied and
				  nonliquefied compressed gas is used in any area in which oil, grease, or coal
				  dust is present, oil and grease deposits shall, where practicable, be removed
				  and the entire area within 10 feet of the worksite covered with a heavy coating
				  of rock dust.
(g) Liquefied and
				  nonliquefied compressed gas cylinders shall be located no less than 10 feet
				  from the worksite, and where the height of the coal seam permits, they shall be
				  placed in an upright position and chained or otherwise secured against
				  falling.
(h) Liquefied and
				  nonliquefied compressed gas shall not be used under direct pressure from the
				  cylinder and, where such gases are used under reduced pressure, the pressure
				  level shall not exceed that recommended by the manufacturer.
(i) "Manifolding cylinders" shall only be
				  performed in well-ventilated shops where the necessary equipment is properly
				  installed and operated in accordance with specifications for safety prescribed
				  by the manufacturer.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1106-5 - Maintenance and tests of liquefied and nonliquefied compressed gas cylinders; accessorie and equipment; requirements

Current through July 13, 2024
(a) Hose lines,
				  gages, and other cylinder accessories shall be maintained in a safe operating
				  condition.
(b) Defective cylinders,
				  cylinder accessories, torches, and other welding, cutting, and burning
				  equipment shall be labeled "defective" and taken out of service.
(c) Each qualified person assigned to perform
				  welding, cutting, or burning with liquefied and nonliquefied compressed gas
				  shall be equipped with a wrench specifically designed for use with liquefied
				  and nonliquefied compressed gas cylinders and a suitable torchtip cleaner to
				  maintain torches in a safe operating condition.
(d) Tests for leaks on the hose valves or
				  gages of liquefied and nonliquefied compressed gas cylinders shall only be made
				  with a soft brush and soapy water or soap suds, or other device approved by the
				  Secretary.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1106-6 - Exemption of small low pressure gas cylinders containing nonflammable or nonexplo-sive gas mixtures

Current through July 13, 2024
Small low pressure gas cylinders containing nonflammable or
					 nonexplosive gas mixtures, which provide for the emission of such gas under a
					 pressure reduced from a pressure which does not exceed 250 p.s.i.g., and which
					 is manufactured and sold in conformance with U.S. Department of Transportation
					 Special Permit No. 6029 as a calibration test kit for methane monitoring
					 systems, shall be exempt from the requirements of SS 75.1106-2(c) and
					 75.1106-4(d), (f) and (g).
FIRE SUPPRESSION DEVICES AND FIRE-RESISTANT HYDRAULIC
					 FLUIDS ON UNDERGROUND EQUIPMENT
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107 - Fire suppression devices

Current through July 13, 2024
[Statutory Provisions]
On and after March 30, 1971, fire-suppression devices
					 meeting specifications prescribed by the Secretary shall be installed on
					 unattended underground equipment and suitable fire-resistant hydraulic fluids
					 approved by the Secretary shall be used in the hydraulic systems of such
					 equipment. Such fluids shall be used in the hydraulic systems of other
					 underground equipment unless fire suppression devices meeting specifications
					 prescribed by the Secretary are installed on such equipment.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-1 - Fire-resistant hydraulic fluids and fire suppression devices on underground equipment

Current through July 13, 2024
(a)
(1) Unattended electrically powered equipment
				  used underground which uses hydraulic fluid shall use approved fire-resistant
				  hydraulic fluid.
(2) Except as
				  provided in paragraph (a)(3) of this section, within 24 production shift hours
				  after being installed, unattended electrically powered equipment used
				  underground shall be equipped with a fire suppression device which meets the
				  applicable requirements of SS 75.1107-3 through 75.1107-16.
(3) Unattended enclosed motors, controls,
				  transformers, rectifiers, and other similar noncombus-tible electrically
				  powered equipment containing no flammable fluid may be protected:
(i) By an approved fire suppression device,
				  or
(ii) Be located at least 2 feet
				  from coal or other combustible materials, or
(iii) Be separated from the coal or
				  combustible materials by a 4-inch-thick masonry firewall or equivalent; and be
				  mounted on a minimum 4-inch-thick noncombustible surface, platform, or
				  equivalent. The electrical cables at such equipment shall conform with the
				  requirements of part 18 of this chapter (Bureau of Mines Schedule 2G) or be in
				  metal conduit.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-2 - Approved fire-resistant hydraulic fluids; minimum requirements

Current through July 13, 2024
Fire-resistant hydraulic fluids and concentrates required
					 to be employed in the hydraulic system of underground equipment in accordance
					 with the provisions of S 75.1107-1 shall be considered suitable only if they
					 have been produced under an approval, or any modification thereof, issued
					 pursuant to part 35 pubchapter I of this chapter (Bureau of Mines Schedule 30),
					 or any revision thereof.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-3 - Fire suppression devices; approved components; installation requirements

Current through July 13, 2024
(a) The components
				  of each fire suppression device required to be installed in accordance with the
				  provisions of S 75.1107-1 shall be approved by the Secretary, or where
				  appropriate be listed as approved by a nationally recognized agency approved by
				  the Secretary.
(b) Where used,
				  pressure vessels shall conform with the requirements of sections 3603, 3606,
				  3607, 3707, and 3708 of National Fire Code No. 22 "Water Tanks for Private Fire
				  Protection" (NFPA No. 22-1971).
(c)
				  The cover of hose of fire suppression devices, if used on the protected
				  equipment and installed after the effective date of this section, shall meet
				  the flame-resistant requirements of part 18 of this chapter (Bureau of Mines
				  Schedule 2G).
(d) Fire suppression
				  devices required to be installed in accordance with the provisions of S
				  75.1107-1 shall where appropriate be installed in accordance with the
				  manufacturer's specifications.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-4 - Automatic fire sensor and manual actuators; installation; minimum requirements

Current through July 13, 2024
(a)
(1) Where fire suppression devices are
				  installed on unattended underground equipment, one or more point-type sensors
				  or equivalent shall be installed for each 50 square feet of top surface area,
				  or fraction thereof, of such equipment, and each sensor shall be designed to
				  activate the first suppression system and disconnect the electrical power
				  source to the equipment protected, and, except where sprinklers are used, there
				  shall be in addition, a manual actuator installed to operate the system. Where
				  sprinklers are used, provision shall be made for manual application of water to
				  the protected equipment in lieu of a manual actuator.
(2) Two or more manual actuators, where
				  practicable, shall be installed, as provided in paragraphs (a)(2)(i) and (ii)
				  of this section, to activate fire suppression devices on attended equipment
				  purchased on or after the effective date of this S 75.1107-4. At least one
				  manual actuator shall be used on equipment purchased prior to the effective
				  date of this S 75.1107-4.
(i) Manual
				  actuators installed on attended equipment regularly operated by a miner, as
				  provided in S 75.1107-1(c)(1) shall be located at different locations on the
				  equipment, and at least one manual actuator shall be located within easy reach
				  of the operator's normal operating position.
(ii) Manual actuators to activate fire
				  suppression devices on attended equipment not regularly operated by a miner, as
				  provided in S 75.1107-1(c)(2), shall be installed at different location, and at
				  least one manual actuator shall be installed so as to be easily reached by the
				  miner at the jobsite or by persons approaching the equipment.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-5 - Electrical components of fire suppression devices; permissibility requirements

Current through July 13, 2024
The electrical components of each fire suppression device
					 used on permissible equipment inby the last open crosscut or on equipment in
					 the return airways of any coal mine shall be permissible or intrinsically safe
					 and such components shall be maintained in permissible or intrinsically safe
					 condition.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-6 - Capacity of fire suppression devices; location and direction of nozzles

Current through July 13, 2024
(a) Each fire suppression device shall be:
(1) Adequate in size and capacity to
				  extinguish potential fires in or on the equipment protected; and
(2) Suitable for the atmospheric conditions
				  surrounding the equipment protected (e.g., air velocity, type, and proximity of
				  adjacent combustible material); and
(3) Rugged enough to withstand rough usage
				  and vibration when installed on mining equipment.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-7 - Water spray devices; capacity; water supply; minimum requirements

Current through July 13, 2024
(a) Where water spray devices are used on
				  unattended underground equipment the rate of flow shall be at least 0.25 gallon
				  per minute per square foot over the top surface area of the equipment and the
				  supply of water shall be adequate to provide the required flow of water for 10
				  minutes.
(b) Where water spray
				  devices are used for inundating attended underground equipment the rate of flow
				  shall be at least 0.18 gallon per minute per square foot over the top surface
				  area of the equipment (excluding conveyors, cutters, and gathering heads), and
				  the supply of water shall be adequate to provide the required flow of water for
				  10 minutes.
(c) Where water is used
				  for internal injection on attended equipment the total quantity of water shall
				  be at least 4.5 gallons times the number of hazardous locations; however, the
				  total minimum amount of water shall not be less than the following:
Type of equipment
Water in gallons
(1) Cutting machines
36
(2) Continuous miners
36
(3) Haulage vehicles
22.5
(4) All other attended equipment
18.0
The rate of flow shall be not less than 7 gallons per
					 minute.
(d) Where water is
				  used in a combination internal injection and inundation system on attended
				  equipment the rate of flow shall be at least 0.12 gallon per minute per square
				  foot over the top surface area of the equipment (excluding conveyors, cutters,
				  and gathering heads), and the supply of water shall be adequate to provide the
				  required flow of water for 10 minutes.
(e) On equipment provided with a cable reel
				  and an internal injection or combination-type system, the amount of water
				  discharged into the cable reel compartments shall be approximately 25 percent
				  of the amount required to be discharged by the system, however, such quantity
				  need not exceed 10 gallons.
(f)
				  Liquid chemicals may be used, as approved by the Secretary in self-contained
				  fire suppression devices. Such liquid chemicals shall be nontoxic and when
				  applied to a fire shall not produce excessive toxic compounds. The quantity of
				  liquid chemicals required shall be proportionately less than water as based on
				  equivalency ratings established by the Secretary or equivalency ratings made by
				  a nationally recognized agency approved by the Secretary.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-8 - Fire suppression devices; extinguishant supply systems

Current through July 13, 2024
(a) Fire suppression systems using water or
				  liquid chemical to protect attended equipment shall:
(1) Be maintained at a pressure consistent
				  with the pipe, fittings, valves, and nozzles used in the system.
(2) Be located so as to be protected against
				  damage during operation of the equipment protected.
(3) Employ liquid which is free from
				  excessive sediment and noncorrosive to the system.
(4) Include strainers equipped with flush-out
				  connections or equivalent protective devices and a rising stem or other visual
				  indicator-type shutoff valve.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-9 - Dry chemical devices; capacity; minimum requirements

Current through July 13, 2024
(a) Dry chemical fire extinguishing systems
				  used on underground equipment shall be of the multipurpose powder-type and
				  shall include the following:
(1) The system
				  including all hose and nozzles shall be protected against the entrance of
				  moisture, dust, or dirt;
(2) The
				  system shall be guarded against damage during operation of the equipment
				  protected;
(3) Hose and pipe shall
				  be as short as possible; the distance between the chemical container and
				  furthest nozzle shall not exceed 50 feet;
(4) Hose, piping, and fittings between the
				  actuator and the chemical container shall have a bursting pressure of 500
				  pounds per square inch (gage) or higher; the hose, piping, and fittings between
				  the chemical container and the nozzles shall have a bursting pressure of 300
				  pounds per square inch (gage) or higher and
(5) The system shall discharge in 1 minute or
				  less, for quantities less than 50 pounds (nominal)(fn.1) and in less than 2
				  minutes for quantities more than 50 pounds;
----------
(fn. 1) Many dry chemical systems were originally designed
					 for sodium bicarbonate before all-purpose chemical (ammonium phosphate) was
					 shown to be more effective. Sodium bicarbonate is denser than ammonium
					 phosphate; hence, for example, a 50-pound system designed for the sodium
					 bicarbonate will hold slightly more by weight than all-purpose dry chemical
					 (ammonium phosphate) by weight. The word "nominal" is used in S 75.1107-9 to
					 express the approximate weight in pounds of all-purpose dry chemical.
					 ----------
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-10 - High expansion foam devices; minimum capacity

Current through July 13, 2024
(a) On unattended underground equipment the
				  amount of water delivered as high expansion foam for a period of approximately
				  20 minutes shall be not less than 0.06 gallon per minute per square foot of
				  surface area of the equipment protected; however, the minimum total rate for
				  any system shall be not less than 3 gallons per minute.
(b) On attended underground equipment, foam
				  may be delivered by internal injection, inundation, or combination-type
				  systems. Each system shall deliver water as foam for a minimum of 10 minutes.
				  For internal injection, the rate of water application as high expansion foam
				  shall be not less than 0.5 gallon per minute per hazardous location; however,
				  the minimum total rate shall be not less than 2 gallons per minute. For
				  inundation, the rate of water application as high expansion foam shall be not
				  less than 0.05 gallon per minute per square foot of top surface area of the
				  equipment protected; however, the minimum total rate shall be not less than 5
				  gallons of water per minute.
(c) In
				  combined internal injection and inundation systems the rate of water applied as
				  foam shall not be less than 0.035 gallon per minute per square foot of top
				  surface area of the equipment protected; however, the minimum total rate shall
				  not be less than 3.5 gallons of water per minute.
(d) Where internal injection is employed, the
				  amount of water discharged as high expansion foam into the cable reel
				  compartments of underground equipment regularly operated by a miner shall be
				  approximately 25 percent of the total amount required to be discharged by the
				  system; however, the quantity of water discharged as foam into the cable reel
				  compartment need not exceed 1.5 gallons.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-11 - Extinguishing agents; requirement on mining equipment employed in low coal

Current through July 13, 2024
On mining equipment no more than 32 inches high, the
					 quantity of extinguishing agent required under the provisions of SS 75.1107-7,
					 75.1107-9, and 75.1107-10 may be reduced by one-fourth if space limitations on
					 the equipment require such reduction.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-12 - Inerting of mine atmosphere prohibited

Current through July 13, 2024
No fire suppression device designed to control fire by
					 total flooding shall be installed to protect unattended underground equipment
					 except in enclosed dead-end entries or enclosed rooms.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-14 - Guard and handrails; requirement where fire suppression deviceare employed

Current through July 13, 2024
All unattended underground equipment provided with fire
					 suppression devices which are mounted in dead end entries, enclosed rooms or
					 other potentially hazardous locations shall be equipped with adequate guards at
					 moving or rotating components. Handrails or other effective protective devices
					 shall be installed at such locations where necessary to facilitate rapid egress
					 from the area surrounding such equipment.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-15 - Fire suppression devices; hazards; training of miners

Current through July 13, 2024
Each operator shall instruct all miners normally assigned
					 to the active workings of the mine with respect to any hazards inherent in the
					 operation of all fire suppression devices installed in accordance with S
					 75.1107-1 and, where appropriate, the safeguards available at each such
					 installation.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-16 - Inspection of fire suppression devices

Current through July 13, 2024
(a) All fire
				  suppression devices shall be visually inspected at least once each week by a
				  person qualified to make such inspections.
(b) Each fire suppression device shall be
				  tested and maintained in accordance with the requirements specified in the
				  appropriate National Fire Code listed as follows for the type and kind of
				  device used:
National Fire Code No. 11A "High Expansion Foam Systems"
					 (NFPA No. 11A-1970).
National Fire Code No. 13A "Care and Maintenance of
					 Sprinkler Systems" (NFPA No. 13A-1971).
National Fire Code No. 15 "Water Spray Fixed Systems for
					 Fire Protection" (NFPA No. 15-1969).
National Fire Code No. 17 "Dry Chemical Extinguishing
					 Systems" (NFPA No. 17-1969).
National Fire Code No. 72A "Local Protective Signaling
					 Systems" (NFPA No. 72A-1967).
National Fire Code No. 198 "Care of Fire Hose" (NFPA No.
					 198-1969).
(c) A record of
				  the inspections required by this section shall be maintained by the operator.
				  The record of the weekly inspections may be maintained at an appropriate
				  location by each fire suppression device.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1107-17 - Incorporation by reference; availability of publications

Current through July 13, 2024
In accordance with
					 5
					 U.S.C. 552(a), the technical
					 publications to which reference is made in SS 75.1107-1 through 75.1107-16, and
					 which have been prepared by organizations other than the Bureau of Mines or the
					 Mine Safety and Health Administration, are hereby incorporated by reference and
					 made a part hereof. The incorporated publications are available for examination
					 at each Coal Mine Health and Safety District and Subdistrict Office of the Mine
					 Safety and Health Administration. National Fire Codes are available from the
					 National Fire Protection Association, 60 Batterymarch Street, Boston, MA
					 02110.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1108 - Flame-resistant conveyor belts

Current through July 13, 2024
[Statutory Provisions]
On and after March 30, 1970, all conveyor belts acquired
					 for use underground shall meet the requirements to be established by the
					 Secretary for flame-resistant conveyor belts.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1108-1 - Approved conveyor belts

Current through July 13, 2024
Conveyor belts which have been approved as flame-resistant
					 by the Bureau of Mines under part 18 of this chapter (Bureau of Mines Schedule
					 2G) meet the requirements of S 75.1108.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart M - Maps › Section 75.1200 - Mine map

Current through July 13, 2024
[Statutory Provisions]
The operator of a coal mine shall have in a fireproof
					 repository located in an area on the surface of the mine chosen by the mine
					 operator to minimize the danger of destruction by fire or other hazard, an
					 accurate and up-to-date map of such mine drawn on scale. Such map shall
					 show:
(a) The active
				  workings;
(b) All pillared, worked
				  out, and abandoned areas, except as provided in this section;
(c) Entries and aircourses with the direction
				  of airflow indicated by arrows;
(d)
				  Contour lines of all elevations;
(e) Elevations of all main and cross or side
				  entries;
(f) Dip of the
				  coalbed;
(g) Escapeways;
(h) Adjacent mine workings within 1,000
				  feet;
(i) Mines above or
				  below;
(j) Water pools above;
				  and
(k) Either producing or
				  abandoned oil and gas wells located within 500 feet of such mine and any
				  underground area of such mine; and,
(l) Such other information as the Secretary
				  may require. Such map shall identify those areas of the mine which have been
				  pillared, worked out, or abandoned, which are inaccessible or cannot be entered
				  safely and on which no information is available.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart M - Maps › Section 75.1200-1 - Additional information on mine map

Current through July 13, 2024
Additional information required to be shown on mine maps
					 under S 75.1200 shall include the following:
(a) Name and address of the mine;
(b) The scale and orientation of the
				  map;
(c) The property or boundary
				  lines of the mine;
(d) All drill
				  holes that penetrate the coalbed being mined;
(e) All shaft, slope, drift, and tunnel
				  openings and auger and strip mined areas of the coalbed being mined;
(f) The location of all surface mine
				  ventilation fans; the location may be designated on the mine map by
				  symbols;
(g) The location of
				  railroad tracks and public highways leading to the mine, and mine buildings of
				  a permanent nature with identifying names shown;
(h) The location and description of at least
				  two permanent base line points coordinated with the underground and surface
				  mine traverses, and the location and description of at least two permanent
				  elevation bench marks used in connection with establishing or referencing mine
				  elevation surveys;
(i) The location
				  of any body of water dammed in the mine or held back in any portion of the
				  mine; provided, however, such bodies of water may be shown on overlays or
				  tracings attached to the mine maps used to show contour lines as provided under
				  paragraph (m) of this section;
(j)
				  The elevations of tops and bottoms of shafts and slopes, and the floor at the
				  entrance to drift and tunnel openings;
(k) The elevation of the floor at intervals
				  of not more than 200 feet in:
(1) At least
				  one entry of each working section, and main and cross entries;
(2) The last line of open crosscuts of each
				  working section, and main and cross entries before such sections and main and
				  cross entries are abandoned;
(3)
				  Rooms advancing toward or adjacent to property or boundary lines or adjacent
				  mines;
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart M - Maps › Section 75.1200-2 - Accuracy and scale of mine maps

Current through July 13, 2024
(a) The scale of
				  mine maps submitted to the Secretary shall not be less than 100 or more than
				  500 feet to the inch.
(b) Mine
				  traverses shall be advanced by closed loop methods of traversing or other
				  equally accurate methods of traversing.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart M - Maps › Section 75.1201 - Certification

Current through July 13, 2024
[Statutory Provisions]
Such map shall be made or certified by a registered
					 engineer or a registered surveyor of the State in which the mine is
					 located.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart M - Maps › Section 75.1202 - Temporary notations, revisions, and supplements

Current through July 13, 2024
[Statutory Provisions]
Such map shall be kept up-to-date by temporary notations
					 and such map shall be revised and supplemented at intervals prescribed by the
					 Secretary on the basis of a survey made or certified by such engineer or
					 surveyor.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart M - Maps › Section 75.1202-1 - Temporary notations, revisions, and supplements

Current through July 13, 2024
(a) Mine
				  maps shall be revised and supplemented at intervals of not more than 6
				  months.
(b) Temporary notations
				  shall include:
(1) The location of each
				  working face of each working place;
(2) Pillars mined or other such second
				  mining;
(3) Permanent ventilation
				  controls constructed or removed, such as seals, overcasts, undercasts,
				  regulators, and permanent stoppings, and the direction of air currents
				  indicated;
(4) Escapeways
				  designated by means of symbols.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart M - Maps › Section 75.1203 - Availability of mine map

Current through July 13, 2024
[Statutory Provisions]
The coal mine map and any revision and supplement thereof
					 shall be available for inspection by the Secretary or his authorized
					 representative, by coal mine inspectors of the State in which the mine is
					 located, by miners in the mine and their representatives and by operators of
					 adjacent coal mines and by persons owning, leasing, or residing on surface
					 areas of such mines or areas adjacent to such mines. The operator shall furnish
					 to the Secretary or his authorized representative, the State Mine Inspector and
					 to the Secretary of Housing and Urban Development, upon request, one or more
					 copies of such maps and any revision and supplement thereof. Such map or
					 revision and supplement thereof shall be kept confidential and its contents
					 shall not be divulged to any other person, except to the extent necessary to
					 carry out the provisions of this Act and in connection with the functions and
					 responsibilities of the Secretary of Housing and Urban
					 Development.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart M - Maps › Section 75.1204 - Mine closure; filing of map with Secretary and the State Mine Inspector

Current through July 13, 2024
[Statutory Provisions]
Whenever an operator permanently closes or abandons a coal
					 mine, or temporarily closes a coal mine for a period of more than 90 days, he
					 shall promptly notify the Secretary and the State Mine Inspector of such
					 closure. Within 60 days of the permanent closure or abandonment of the mine,
					 or, when the mine is temporarily closed, upon the expiration of a period of 90
					 days from the date of closure, the operator shall file with the Secretary and
					 the State Mine Inspector a copy of the mine map revised and supplemented to the
					 date of the closure. Such copy of the mine map shall be certified by a
					 registered surveyor or registered engineer of the State in which the mine is
					 located and shall be available for public inspection.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart M - Maps › Section 75.1204-1 - Place to give notice and file maps

Current through July 13, 2024
Operators shall give notice of mine closures and file
					 copies of maps with the Coal Mine Safety District Office for the district in
					 which the mine is located and the State Mine Inspector.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart N - Explosive and Blasting › Section 75.1300 - Definitions

Current through July 13, 2024
The following definitions apply in this subpart.
Approval. A document issued by MSHA which states that an
					 explosive or explosive unit has met the requirements of this part and which
					 authorizes an approval marking identifying the explosive or explosive unit as
					 approved as permissible.
Battery starting. The use of unconfined explosives to start
					 the flow of coal down a breast or chute in an anthracite mine.
Blasting off the solid. Blasting the working face without
					 providing a second free face by cutting, shearing or other method before
					 blasting.
Instantaneous detonator. An electric detonator that fires
					 within 6 milliseconds after application of the firing current.
Laminated partition. A partition composed of the following
					 material and minimum nominal dimensions: 1/2-inch thick plywood, 1/2-inch thick
					 gypsum wall board, 1/8-inch thick low carbon steel and 1/4-inch thick plywood,
					 bonded together in that order.
Opener hole. The first hole or holes fired in a round
					 blasted off the solid to create an additional free face.
Permissible blasting unit. A device that has been approved
					 by MSHA and that is used for firing electric detonators.
Permissible explosive. Any substance, compound or mixture
					 which is approved by MSHA and whose primary purpose is to function by
					 explosion.
Round. A group of boreholes fired or intended to be fired
					 in a continuous sequence with one application of the firing current.
Sheathed explosive unit. A device consisting of an approved
					 or permissible explosive covered by a sheath encased in a sealed covering and
					 designed to be fired outside the confines of a borehole.
Short-delay electric detonator. An electric detonator with
					 a designated delay period of 25 to 1,000 milliseconds.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart N - Explosive and Blasting › Section 75.1301 - Qualified person

Current through July 13, 2024
(a) A qualified
				  person under this subpart is a person who--
(1) Is certified or qualified to use
				  explosives by the State in which the mine is located provided that the State
				  requires a demonstration of ability to safely use permissible explosives as
				  prescribed by this subpart effective January 17, 1989; or
(2) In States that do not certify or qualify
				  persons to use explosives required by this section, has at least 1 year of
				  experience working in an underground coal mine that includes direct involvement
				  with procedures for handling, loading, and preparing explosives for blasting
				  and demonstrates to an authorized representative of the Secretary the ability
				  to use permissible explosives safely.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart N - Explosive and Blasting › Section 75.1310 - Explosive and blasting equipment

Current through July 13, 2024
(a) Only
				  permissible explosives, approved sheathed explosive units, and permissible
				  blasting units shall be taken or used underground.
(b) Black blasting powder, aluminum-cased
				  detonators, aluminum-alloy-cased detonators, detonators with aluminum leg
				  wires, and safety fuses shall not be taken or used underground.
(c) Explosives shall be fired only with a
				  permissible blasting unit used in a manner consistent with its approval.
				  Blasting units approved by MSHA that have approval labels specifying use with
				  short-delay detonators with delay periods between 25-500 milliseconds are
				  accepted to fire short-delay detonators up to 1,000 milliseconds, instantaneous
				  detonators and long period delay detonators for anthracite mines.
(d) Permissible explosives and sheathed
				  explosive units shall not be used underground when they are below the minimum
				  product firing temperature specified by the approval. Explosives previously
				  approved which do not specify a minimum firing temperature are permissible for
				  use so long as the present approval is maintained.
(e) Electric detonators shall be compatible
				  with the blasting unit and have sufficient strength to initiate the explosives
				  being used.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart N - Explosive and Blasting › Section 75.1311 - Transporting explosive and detonators

Current through July 13, 2024
(a) When explosives
				  and detonators are to be transported underground--
(1) They shall be enclosed in separate,
				  substantially constructed containers made of nonconduc-tive material, with no
				  metal or other conductive materials exposed inside, except as specified in
				  paragraph (d) of this section; and
(2) Each container of explosives and of
				  detonators shall be indelibly marked with a readily visible warning identifying
				  the contents.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart N - Explosive and Blasting › Section 75.1312 - Explosive and detonator in underground magazines

Current through July 13, 2024
(a) The
				  quantity of explosives kept underground shall not be more than is needed for 48
				  hours of use.
(b) Except as
				  provided in S 75.1313, explosives and detonators taken underground shall be
				  kept in--
(1) Separate, closed magazines at
				  least 5 feet apart; or
(2) The same
				  closed magazine when--
(i) Separated by a
				  hardwood partition at least 4 inches thick; or
(ii) Separated by a laminated partition;
				  or
(iii) Separated by a device that
				  is equivalent.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart N - Explosive and Blasting › Section 75.1313 - Explosive and detonator outside of magazines

Current through July 13, 2024
(a) The
				  quantity of explosives outside a magazine for use in a working section or other
				  area where blasting is to be performed shall--
(1) Not exceed 100 pounds; or
(2) Not exceed the amount necessary to blast
				  one round when more than 100 pounds of explosives is required.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart N - Explosive and Blasting › Section 75.1314 - Sheathed explosive units

Current through July 13, 2024
(a) A separate
				  instantaneous detonator shall be used to fire each sheathed explosive
				  unit.
(b) Sheathed explosive units
				  shall be primed and placed in position for firing only by a qualified person or
				  a person working in the presence of and under the direction of a qualified
				  person. To prime a sheathed explosive unit, the entire detonator shall be
				  inserted into the detonator well of the unit and be held securely in
				  place.
(c) Sheathed explosive units
				  shall not be primed until immediately before the units are placed where they
				  are to be fired. A sheathed explosive unit shall not be primed if it is damaged
				  or deteriorated.
(d) Except in
				  anthracite mines, rock dust shall be applied to the roof, ribs and floor within
				  a 40-foot radius of the location where the sheathed explosive units are to be
				  fired.
(e) No more than three
				  sheathed explosive units shall be fired at one time.
(f) No sheathed explosive unit shall be fired
				  in contact with another sheathed explosive unit.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart N - Explosive and Blasting › Section 75.1315 - Borehole for explosives

Current through July 13, 2024
(a) All explosives
				  fired underground shall be confined in boreholes except--
(1) Sheathed explosives units and other
				  explosive units approved by MSHA for firing outside the confines of a borehole;
				  and
(2) Shots fired in anthracite
				  mines for battery starting or for blasting coal overhangs. No person shall go
				  inside a battery to start the flow of material.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart N - Explosive and Blasting › Section 75.1316 - Preparation before blasting

Current through July 13, 2024
(a)
(1) All nonbattery-powered electric
				  equipment, including cables, located within 50 feet from boreholes to be loaded
				  with explosives or the sites where sheathed explosive units are to be placed
				  and fired shall be deenergized or removed to at least 50 feet from these
				  locations before priming of explosives. Battery-powered equipment shall be
				  removed to at least 50 feet from these locations before priming of
				  explosives.
(2) As an alternative
				  to paragraph (a)(1) of this section, electric equipment, including cables, need
				  not be deenergized or removed if located at least 25 feet from these locations
				  provided stray current tests conducted prior to priming the explosives detect
				  stray currents of 0.05 ampere or less through a 1-ohm resistor.
(i) Tests shall be made at floor locations on
				  the perimeter, on energized equipment frames and on repaired areas of energized
				  cables within the area between 25 to 50 feet from the locations where the
				  explosives are to be primed.
(ii)
				  Tests shall be conducted using a blasting multimeter or other instrument
				  specifically designed for such use.
(3) The blasting cable or detonator circuitry
				  shall not come in contact with energized electric equipment, including
				  cables.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart N - Explosive and Blasting › Section 75.1317 - Primer cartridges

Current through July 13, 2024
(a) Primer
				  cartridges shall be primed and loaded only by a qualified person or a person
				  working in the presence of and under the direction of a qualified
				  person.
(b) Primer cartridges shall
				  not be primed until immediately before loading boreholes.
(c) Only a nonsparking punch shall be used
				  when priming explosive cartridges.
(d) Detonators shall be completely within and
				  parallel to the length of the cartridge and shall be secured by half-hitching
				  the leg wires around the cartridge or secured by an equally effective
				  method.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart N - Explosive and Blasting › Section 75.1318 - Loading boreholes

Current through July 13, 2024
(a) Explosives
				  shall be loaded by a qualified person or a person working in the presence of
				  and under the direction of a qualified person.
(b) When boreholes are being loaded, no other
				  work except that necessary to protect persons shall be done in the working
				  place or other area where blasting is to be performed.
(c) When loading boreholes drilled at an
				  angle of 45 degrees or greater from the horizontal in solid rock or loading
				  long holes drilled upward in anthracite mines-
(1) The first cartridge in each borehole
				  shall be the primer cartridge with the end of the cartridge containing the
				  detonator facing the back of the borehole; and
(2) The explosive cartridges shall be loaded
				  in a manner that provides contact between each cartridge in the
				  borehole.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart N - Explosive and Blasting › Section 75.1319 - Weight of explosive permitted in borehole in bituminou and lignite mines

Current through July 13, 2024
(a) The total weight of explosives loaded in
				  any borehole in bituminous and lignite mines shall not exceed 3 pounds except
				  when blasting solid rock in its natural deposit.
(b) The total weight of explosives loaded in
				  a borehole less than 6 feet deep in bituminous and lignite mines shall be
				  reduced by 1/2 pound for each foot of borehole less than 6 feet.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart N - Explosive and Blasting › Section 75.1320 - Multiple-shot blasting

Current through July 13, 2024
(a) No more than 20
				  boreholes shall be fired in a round unless permitted in writing by the District
				  Manager under S 75.1321.
(b)
				  Instantaneous detonators shall not be used in the same circuit with delay
				  detonators in any underground coal mine.
(c) In bituminous and lignite mines, only
				  detonators with delay periods of 1,000 milliseconds or less shall be
				  used.
(d) When blasting in
				  anthracite mines, each borehole in a round shall be initiated in sequence from
				  the opener hole or holes.
(e)
				  Arrangement of detonator delay periods for bituminous and lignite mines shall
				  be as follows:
(1) When blasting cut coal--
(i) The first shot or shots fired in a round
				  shall be initiated in the row nearest the kerf or the row or rows nearest the
				  shear; and
(ii) After the first
				  shot or shots, the interval between the designated delay periods of successive
				  shots shall be at least 50 milliseconds but not more than 100
				  milliseconds.