reglab/statecodes huggingface dataset:
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart J - Underground Low- and Medium-Voltage Alternating Current Circuits › Section 75.906 - Trailing cables for mobile equipment, ground wires, and ground check wires

Current through July 13, 2024
[Statutory Provisions]
Trailing cables for mobile equipment shall contain one or
					 more ground conductors having a cross-sectional area of not less than one-half
					 the power conductor, and, on September 30, 1970, an insulated conductor for the
					 ground continuity check circuit or other no less effective device approved by
					 the Secretary or his authorized representative to assure such continuity,
					 except that an extension of time, not in excess of 12 months may be permitted
					 by the Secretary on a mine-by-mine basis if he determines that such equipment
					 is not available. Splices made in the cables shall provide continuity of all
					 components.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart J - Underground Low- and Medium-Voltage Alternating Current Circuits › Section 75.907 - Design of trailing cable for medium-voltage circuits

Current through July 13, 2024
[Statutory Provisions]
Trailing cables for medium-voltage circuits shall include
					 grounding conductors, a ground check conductor, and grounded metallic shields
					 around each power conductor or a ground metallic shield over the assembly,
					 except that on equipment employing cable reels, cables without shields may be
					 used if the insulation is rated 2,000 volts or more.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart K - Trolley Wires and Trolley Feeder Wires › Section 75.1000 - Cutout switches

Current through July 13, 2024
[Statutory Provisions]
Trolley wires and trolley feeder wires, shall be provided
					 with cutout switches at intervals of not more than 2,000 feet and near the
					 beginning of all branch lines.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart K - Trolley Wires and Trolley Feeder Wires › Section 75.1001 - Overcurrent protection

Current through July 13, 2024
[Statutory Provisions]
Trolley wires and trolley feeder wires shall be provided
					 with overcurrent protection.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart K - Trolley Wires and Trolley Feeder Wires › Section 75.1001-1 - Device for overcurrent protection; testing and calibration requirements; records

Current through July 13, 2024
(a) Automatic
				  circuit interrupting devices that will deenergize the affected circuit upon
				  occurrence of a short circuit at any point in the system will meet the
				  requirements of S 75.1001.
(b)
				  Automatic circuit interrupting devices described in paragraph (a) of this
				  section shall be tested and calibrated at intervals not to exceed six months.
				  Testing of such devices shall include passing the necessary amount of electric
				  current through the device to cause activation. Calibration of such devices
				  shall include adjustment of all associated relays to +/-15 percent of the
				  indicated value. An authorized representative of the Secretary may require
				  additional testing or calibration of these devices.
(c) A record of the tests and calibrations
				  required by paragraph (b) of this section shall be kept, and shall be made
				  available, upon request, to an authorized representative of the Secretary or
				  the State Mine Inspector.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart K - Trolley Wires and Trolley Feeder Wires › Section 75.1002 - Location of trolley wires, trolley feeder wires, high-voltage cable and transformers

Current through July 13, 2024
[Statutory Provisions]
Trolley wires and trolley feeder wires, high-voltage cables
					 and transformers shall not be located inby the last open crosscut and shall be
					 kept at least 150 feet from pillar workings.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart K - Trolley Wires and Trolley Feeder Wires › Section 75.1002-1 - Location of other electric equipment; requirement for permissibility

Current through July 13, 2024
(a) Electric equipment other than trolley
				  wires, trolley feeder wires, high-voltage cables, and transformers shall be
				  permissible, and maintained in a permissible condition when such electric
				  equipment is located within 150 feet from pillar workings, except as provided
				  in paragraphs (b) and (c) of this section.
(b) Notwithstanding the provisions of
				  paragraph (a) of this section, in any coal mine where nonpermissible electric
				  face equipment may be taken into or used inby the last open crosscut until
				  March 30, 1974, such nonpermissible electric face equipment may be located
				  within 150 feet from pillar workings.
(c) Notwithstanding the provisions of
				  paragraph (a) of this section, in any coal mine where a permit for
				  noncompliance is in effect, nonpermissible electric face equipment specified in
				  such permit for noncompliance may be located within 150 feet from pillar
				  workings for the duration of such permit.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart K - Trolley Wires and Trolley Feeder Wires › Section 75.1003 - Insulation of trolley wires, trolley feeder wires and bare signal wires; guarding of trolley wires and trolley feeder wires

Current through July 13, 2024
[Statutory Provisions]
Trolley wires, trolley feeder wires, and bare signal wires
					 shall be insulated adequately where they pass through doors and stoppings, and
					 where they cross other power wires and cables. Trolley wires and trolley feeder
					 wires shall be guarded adequately:
(a)
				  At all points where men are required to work or pass regularly under the
				  wires;
(b) On both sides of all
				  doors and stoppings; and
(c) At
				  man-trip stations.
The Secretary or his authorized representatives shall
					 specify other conditions where trolley wires and trolley feeder wires shall be
					 adequately protected to prevent contact by any person, or shall require the use
					 of improved methods to prevent such contact. Temporary guards shall be provided
					 where trackmen and other persons work in proximity to trolley wires and trolley
					 feeder wires.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart K - Trolley Wires and Trolley Feeder Wires › Section 75.1003-1 - Other requirements for guarding of trolley wires and trolley feeder wires

Current through July 13, 2024
Adequate precaution shall be taken to insure that equipment
					 being moved along haulageways will not come in contact with trolley wires or
					 trolley feeder wires.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart K - Trolley Wires and Trolley Feeder Wires › Section 75.1003-2 - Requirements for movement of off-track mining equipment in areas of active working where energized trolley wires or trolley feeder wires are present; pre-movement requirements; certified and qualified persons

Current through July 13, 2024
(a) Prior to moving or transporting any unit
				  of off-track mining equipment in areas of the active workings where energized
				  trolley wires or trolley feeder wires are present:
(1) The unit of equipment shall be examined
				  by a certified person to ensure that coal dust, float coal dust, loose coal
				  oil, grease, and other combustible materials have been cleaned up and have not
				  been permitted to accumulate on such unit of equipment; and,
(2) A qualified person, as specified in S
				  75.153 of this part, shall examine the trolley wires, trolley feeder wires, and
				  the associated automatic circuit interrupting devices provided for short
				  circuit protection to ensure that proper short circuit protection
				  exists.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1100 - Requirements

Current through July 13, 2024
[Statutory Provision]
Each coal mine shall be provided with suitable firefighting
					 equipment adapted for the size and conditions of the mine. The Secretary shall
					 establish minimum requirements of the type, quality, and quantity of 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 75.1100-1 - Type and quality of firefighting equipment

Current through July 13, 2024
Firefighting equipment required under this subpart shall
					 meet the following minimum requirements:
(a) Waterlines: Waterlines shall be capable
				  of delivering 50 gallons of water a minute at a nozzle pressure of 50 pounds
				  per square inch.
(b) Portable water
				  cars: A portable water car shall be of at least 1,000 gallons capacity (500
				  gallons capacity for anthracite mines) and shall have at least 300 feet of fire
				  hose with nozzles. A portable water car shall be capable of providing a flow
				  through the hose of 50 gallons of water per minute at a nozzle pressure of 50
				  pounds per square inch.
(c) A
				  portable chemical car shall carry enough chemicals to provide a fire
				  extinguishing capacity equivalent to that of a portable water car.
(d) Portable foam-generating machines or
				  devices: A portable foam-generating machine or device shall have facilities and
				  equipment for supplying the machine with 30 gallons of water per minute at 30
				  pounds per square inch for a period of 35 minutes.
(e) Portable fire extinguisher: A portable
				  fire extinguisher shall be either (1) a multipurpose dry chemical type
				  containing a nominal weight of 5 pounds of dry powder and enough expellant to
				  apply the powder or (2) a foam-producing type containing at least 2 1/2 gallons
				  of foam-producing liquids and enough expellant to supply the foam. Only fire
				  extinguishers approved by the Underwriters Laboratories, Inc., or Factory
				  Mutual Research Corp., carrying appropriate labels as to type and purpose,
				  shall be used. After March 30, 1971, all new portable fire extinguishers
				  acquired for use in a coal mine shall have a 2A 10 BC or higher
				  rating.
(f)
(1) Except as provided in paragraph (f)(2) of
				  this section, the fire hose shall be lined with a material having flame
				  resistant qualities meeting requirements for hose in Bureau of Mines' Schedule
				  2G. The cover shall be polyester, or other material with flame-spread qualities
				  and mildew resistance equal or superior to polyester. The bursting pressure
				  shall be at least 4 times the water pressure at the valve to the hose inlet
				  with the valve closed; the maximum water pressure in the hose nozzle shall not
				  exceed 100 p.s.i.g.
(2) Fire hose
				  installed for use in underground coal mines prior to December 30, 1970, shall
				  be mildew-proof and have a bursting pressure at least 4 times the water
				  pressure at the valve to the hose inlet with the valve closed, and the maximum
				  water pressure in the hose nozzle with water flowing shall not exceed 100
				  p.s.i.g.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1100-2 - Quantity and location of firefighting equipment

Current through July 13, 2024
(a)
				  Working sections.
(1) Each working section of
				  coal mines producing 300 tons or more per shift shall be provided with two
				  portable fire extinguishers and 240 pounds of rock dust in bags or other
				  suitable containers; waterlines shall extend to each section loading point and
				  be equipped with enough fire hose to reach each working face unless the section
				  loading point is provided with one of the following:
(i) Two portable water cars; or
(ii) Two portable chemical cars; or
(iii) One portable water car or one portable
				  chemical car, and either (a) a portable foam-generating machine or (b) a
				  portable high-pressure rock-dusting machine fitted with at least 250 feet of
				  hose and supplied with at least 60 sacks of rock dust.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1100-3 - Condition and examination of firefighting equipment

Current through July 13, 2024
All firefighting equipment shall be maintained in a usable
					 and operative condition. Chemical extinguishers shall be examined every 6
					 months and the date of the examination shall be written on a permanent tag
					 attached to the extinguisher.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101 - Deluge-type water sprays, foam generators; main and secondary belt-conveyor drives

Current through July 13, 2024
[Statutory Provisions]
Deluge-type water sprays or foam generators automatically
					 actuated by rise in temperature, or other no less effective means approved by
					 the Secretary of controlling fire, shall be installed at main and secondary
					 belt-conveyor drives.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-1 - Deluge-type water spray systems

Current through July 13, 2024
(a) Deluge-type
				  spray systems shall consist of open nozzles attached to branch lines. The
				  branch lines shall be connected to a waterline through a control valve operated
				  by a fire sensor. Actuation of the control valve shall cause water to flow into
				  the branch lines and discharge from the nozzles.
(b) Nozzles attached to the branch lines
				  shall be full cone, corrosion resistant and provided with blow-off dust covers.
				  The spray application rate shall not be less than 0.25 gallon per minute per
				  square foot of the top surface of the top belt and the discharge shall be
				  directed at both the upper and bottom surfaces of the top belt and to the upper
				  surface of the bottom belt.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-2 - Installation of deluge-type sprays

Current through July 13, 2024
Deluge-type water spray systems shall provide protection
					 for the belt drive and 50 feet of fire-resistant belt or 150 feet of
					 nonfire-resistant belt adjacent to the belt drive.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-3 - Water requirements

Current through July 13, 2024
Deluge-type water spray systems shall be attached to a
					 water supply. Water so supplied shall be free of excessive sediment and
					 noncorrosive to the system. Water pressure shall be maintained consistent with
					 the pipe, fittings, valves, and nozzles at all times. Water systems shall
					 include strainers with a flush-out connection and a manual shut-off valve. The
					 water supply shall be adequate to provide flow for 10 minutes except that
					 pressure tanks used as a source of water supply shall be of 1,000-gallon
					 capacity for a fire-resistant belt and 3,000 gallons for a nonfire-resistant
					 belt may be provided.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-4 - Branch lines

Current through July 13, 2024
As a part of the deluge-type water spray system, two or
					 more branch lines of nozzles shall be installed. The maximum distance between
					 nozzles shall not exceed 8 feet.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-5 - Installation of foam generator systems

Current through July 13, 2024
(a) Foam generator
				  systems shall be located so as to discharge foam to the belt drive, belt
				  takeup, electrical controls, gear reducing unit and the conveyor
				  belt.
(b) Foam generator systems
				  shall be equipped with a fire sensor which actuates the system, and each system
				  shall be capable of producing and delivering the following amounts of foam
				  within 5 minutes:
(1) At fire-resistant belt
				  installations, an amount which will fully envelop the belt drive, belt takeup,
				  electrical controls, gear reducing unit, and the conveyor belt over a distance
				  of 50 feet; and,
(2) At
				  nonfire-resistant belt installations, an amount which will fully envelop the
				  belt drive, belt takeup electrical controls, gear reducing unit, and the
				  conveyor belt over a distance of 150 feet.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-6 - Water sprinkler systems; general

Current through July 13, 2024
Water sprinkler systems may be installed to protect main
					 and secondary belt-conveyor drives; however, where such systems are employed,
					 they shall be installed and maintained in accordance with SS 75.1101-7 through
					 75.1101-11.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-7 - Installation of water sprinkler systems; requirements

Current through July 13, 2024
(a) The fire-control components of each water
				  sprinkler system shall be installed, as far as practicable in accordance with
				  the recommendations set forth in National Fire Protection Association 1968-69
				  edition, Code No. 13, "Installation of Sprinkler Systems" and such systems'
				  components shall be of a type approved by the Underwriters' Laboratories, Inc.,
				  Factory Mutual Research Corp.
(b)
				  Each sprinkler system shall provide protection for the motor drive belt takeup,
				  electrical controls, gear reducing unit, and the 50 feet of fire-resistant
				  belt, or 150 feet of nonfire-resistant belt adjacent to the belt
				  drive.
(c) The components of each
				  water sprinkler system shall be located so as to minimize the possibility of
				  damage by roof fall or by the moving belt and its load.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-8 - Water sprinkler systems; arrangement of sprinklers

Current through July 13, 2024
(a) At least one sprinkler shall be installed
				  above each belt drive, belt take-up, electrical control, and gear-reducing
				  unit, and individual sprinklers shall be installed at intervals of no more than
				  8 feet along all conveyor branch lines.
(b) Two or more branch lines, at least one of
				  which shall be above the top belt and one between the top and bottom belt,
				  shall be installed in each sprinkler system to provide a uniform discharge of
				  water to the belt surface.
(c) The
				  water discharge rate from the sprinkler system shall not be less than 0.25
				  gallon per minute per square foot of the top surface of the top belt and the
				  discharge shall be directed at both the upper and bottom surfaces of the top
				  belt and to the upper surface of the bottom belt. The supply of water shall be
				  adequate to provide a constant flow of water for 10 minutes with all sprinklers
				  functioning.
(d) Each individual
				  sprinkler shall be activated at a temperature of not less than 150 oF. and not
				  more than 300 oF.
(e) Water systems
				  shall include strainers with a flush-out connection and a manual shut-off
				  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 75.1101-9 - Back-up water system

Current through July 13, 2024
One fire hose outlet together with a length of hose capable
					 of extending to the belt drive shall be provided within 300 feet of each belt
					 drive.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-10 - Water sprinkler systems; fire warning device at belt drives

Current through July 13, 2024
Each water sprinkler system shall be equipped with a device
					 designed to stop the belt drive in the event of a rise in temperature and each
					 such warning device shall be capable of giving both an audible and visual
					 warning when a fire occurs.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-11 - Inspection of water sprinkler systems

Current through July 13, 2024
Each water sprinkler system shall be examined weekly and a
					 functional test of the complete system shall be conducted at least once each
					 year.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-12 - Equivalent dry-pipe system

Current through July 13, 2024
Where water sprinkler systems are installed to protect main
					 and secondary belt conveyor drives and freezing temperatures prevail, an
					 equivalent dry-pipe system may be installed.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-13 - Dry powder chemical systems; general

Current through July 13, 2024
Self-contained dry powder chemical systems may be installed
					 to protect main and secondary belt conveyor drives, however, where such systems
					 are employed, they shall be installed and maintained in accordance with the
					 provisions of SS 75.1101-14 through 75.1101-22.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-14 - Installation of dry powder chemical systems

Current through July 13, 2024
(a)
				  Self-contained dry powder chemical systems shall be installed to protect each
				  belt-drive, belt takeup, electrical-controls, gear reducing units and 50 feet
				  of fire-resistant belt or 150 feet of non-fire-resistant belt adjacent to the
				  belt drive.
(b) The fire-control
				  components of each dry powder chemical system shall be a type approved by the
				  Underwriters' Laboratories, Inc., or Factory Mutual Engineering Corp.
(c) The components of each dry powder
				  chemical system shall be located so as to minimize the possibility of damage by
				  roof fall or by the moving belt and its load.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-15 - Construction of dry powder chemical systems

Current through July 13, 2024
(a) Each
				  self-contained dry powder system shall be equipped with hose or pipe lines
				  which are no longer than necessary.
(b) Metal piping and/or hose between control
				  valves and nozzles shall have a minimum bursting pressure of 500
				  p.s.i.g.
(c) Hose shall be
				  protected by wire braid or its equivalent.
(d) Nozzles and reservoirs shall be
				  sufficient in number to provide maximum protection to each belt, belt takeup,
				  electrical controls, and gear reducing unit.
(e) Each belt shall be protected on the top
				  surface of both the top and bottom belts and the bottom surface of the top
				  belt.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-16 - Dry powder chemical systems; sensing and fire-suppression devices

Current through July 13, 2024
(a) Each self-contained dry powder chemical
				  system shall be equipped with sensing devices which shall be designed to
				  activate the fire-control system, sound an alarm and stop the conveyor drive
				  motor in the event of a rise in temperature, and provision shall be made to
				  minimize contamination of the lens of any optical sensing device installed in
				  such system.
(b) Where sensors are
				  operated from the same power source as the belt drive, each sensor shall be
				  equipped with a standby power source which shall be capable of remaining
				  operative for at least 4 hours after a power cutoff.
(c) Sensor systems shall include a warning
				  indicator (or test circuit) which shows it is operative.
(d) Each fire-suppression system shall be
				  equipped with a manually operated control valve which shall be independent of
				  the sensor.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-17 - Sealing of dry powder chemical systems

Current through July 13, 2024
Each dry powder chemical system shall be adequately sealed
					 to protect all components of the system from moisture dust, and
					 dirt.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-18 - Dry powder requirements

Current through July 13, 2024
Each dry powder chemical system shall contain the following
					 minimum amounts of multipurpose dry powder:
Belt
Dry powder, pounds
Fire resistant
125
Non-fire resistant
250
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-19 - Nozzles; flow rate and direction

Current through July 13, 2024
The nozzles of each dry powder chemical system shall be
					 capable of discharging all powder within 1 minute after actuation of the system
					 and such nozzles shall be directed so as to minimize the effect of ventilation
					 upon fire control.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-20 - Safeguard for dry powder chemical systems

Current through July 13, 2024
Adequate guards shall be provided along all belt conveyors
					 in the vicinity of each dry powder chemical system to protect persons whose
					 vision is restricted by a discharge of powder from the system. In addition,
					 hand-rails shall be installed in such areas to provide assistance to those
					 passing along the conveyor after a powder discharge.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-21 - Back-up water system

Current through July 13, 2024
One fire hose outlet together with a length of hose capable
					 of extending to the belt drive shall be provided within 300 feet of each belt
					 drive.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-22 - Inspection of dry powder chemical systems

Current through July 13, 2024
(a) Each dry
				  powder chemical system shall be examined weekly and a functional test of the
				  complete system shall be conducted at least once each year.
(b) Where the dry powder chemical system has
				  been actuated, all components of the system shall be cleaned immediately by
				  flushing all powder from pipes and hoses and all hose damaged by fire shall be
				  replaced.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1101-23 - Program of instruction; location and use of fire fighting equipment; location of escapeways, exit and route of travel; evacuation procedures; fire drills

Current through July 13, 2024
(a) Each operator
				  of an underground coal mine shall adopt a program for the instruction of all
				  miners in the location and use of fire fighting equipment, location of
				  escapeways, exits, and routes of travel to the surface, and proper evacuation
				  procedures to be followed in the event of an emergency. Such program shall be
				  submitted for approval to the District Manager of the Coal Mine Health and
				  Safety District in which the mine is located no later than June 30, 1974. A
				  copy of this program and any changes shall be filed with the State mine
				  Inspector.
(1) The approved program of
				  instruction shall include a specific fire fighting and evacuation plan designed
				  to acquaint miners on all shifts with procedures for:
(i) Evacuation of all miners not required for
				  fire fighting activities;
(ii)
				  Rapid assembly and transportation of necessary men, fire suppression equipment,
				  and rescue apparatus to the scene of the fire; and,
(iii) Operation of the fire suppression
				  equipment available in the mine.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1103 - Automatic fire warning devices

Current through July 13, 2024
[Statutory Provisions]
On or before May 29, 1970, devices shall be installed on
					 all such belts which will give a warning automatically when a fire occurs on or
					 near such belt. The Secretary shall prescribe a schedule for installing fire
					 suppression devices on belt haulageways.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1103-1 - Automatic fire sensors

Current through July 13, 2024
A fire sensor system shall be installed on each underground
					 belt conveyor. Sensors so installed shall be of a type which will (a) give
					 warning automatically when a fire occurs on or near such belt; (b) provide both
					 audible and visual signals that permit rapid location of the
					 fire.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1103-2 - Automatic fire sensors; approved components; installation requirements

Current through July 13, 2024
(a) The components of each automatic fire
				  sensor required to be installed in accordance with the provisions of S
				  75.1103-1 shall be of a type and installed in a manner approved by the
				  Secretary, or the components shall be of a type listed, approved and installed
				  in accordance with the recommendations of a nationally recognized testing
				  laboratory approved by the Secretary.
(b) Where applicable, and not inconsistent
				  with these regulations, automatic fire sensors shall be installed in accordance
				  with the recommendations set forth in National Fire Code No. 72A "Local
				  Protective Signaling Systems" (NFPA No. 72A-1967). National Fire Code No. 72A
				  (1967) is hereby incorporated by reference and made a part hereof. National
				  Fire Code No. 72A is available for examination at each Coal Mine Health and
				  Safety District and Subdistrict Office of the Mine Safety and Health
				  Administration, and may be obtained 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 75.1103-3 - Automatic fire sensor and warning device systems; minimum requirements; general

Current through July 13, 2024
Automatic fire sensor and warning device systems installed
					 in belt haulageways of underground coal mines shall be assembled from
					 components which meet the minimum requirements set forth in SS 75.1103-4
					 through 75.1103-7 unless otherwise 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 75.1103-4 - Automatic fire sensor and warning device systems; installation; minimum requirements

Current through July 13, 2024
(a) Automatic fire
				  sensor and warning device systems shall provide identification of fire within
				  each belt flight (each belt unit operated by a belt drive).
(1) Where used, sensors responding to
				  temperature rise at a point (point-type sensors) shall be located at or above
				  the elevation of the top belt, and installed at the beginning and end of each
				  belt flight, at the belt drive, and in increments along each belt flight so
				  that the maximum distance between sensors does not exceed 125 feet, except as
				  provided in paragraph (a)(3) of this section.
(2) Where used, sensors responding to
				  radiation, smoke, gases, or other indications of fire, shall be spaced at
				  regular intervals to provide protection equivalent to point-type sensors, and
				  installed within the time specified in paragraph (a)(3) of this
				  section.
(3) When the distance from
				  the tailpiece at loading points to the first outby sensor reaches 125 feet when
				  point-type sensors are used, such sensors shall be installed and put in
				  operation within 24 production shift hours after the distance of 125 feet is
				  reached. When sensors of the kind described in paragraph (a)(2) of this section
				  are used, such sensor shall be installed and put in operation within 24
				  production shift hours after the equivalent distance which has been established
				  for the sensor from the tailpiece at loading points to the first outby sensor
				  is first reached.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1103-5 - Automatic fire warning devices; manual resetting

Current through July 13, 2024
(a) Automatic fire sensor and warning device
				  systems shall upon activation provide an effective warning signal at either of
				  the following locations:
(1) At all work
				  locations where men may be endangered from a fire at the belt flight;
				  or
(2) At a manned location where
				  personnel have an assigned post of duty and have telephone or equivalent
				  communication with all men who may be endangered.
The automatic fire sensor and warning device system shall
					 be monitored for a period of 4 hours after the belt is stopped, unless an
					 examination for hot rollers and fire is made as prescribed in S
					 75.1103-4(e).
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1103-6 - Automatic fire sensors; actuation of fire suppression systems

Current through July 13, 2024
Automatic fire sensor and warning device systems may be
					 used to actuate deluge-type water systems, foam generator systems, multipurpose
					 dry-powder systems, or other equivalent automatic fire suppression
					 systems.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1103-7 - Electrical components; permissibility requirements

Current through July 13, 2024
The electrical components of each automatic fire sensor and
					 warning device system shall:
(a)
				  Remain functional when the power circuits are deenergized as required by S
				  75.706; and
(b) Be provided with
				  protection against ignition of methane or coal dust when the electrical power
				  is deenergized as required by S 75.313, but these components shall be
				  permissible or intrinsically safe if installed in a return airway.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1103-8 - Automatic fire sensor and warning device systems; inspection and test requirements

Current through July 13, 2024
(a) Automatic fire
				  sensor and warning device systems shall be inspected weekly, and a functional
				  test of the complete system shall be made at least once annually. Inspection
				  and maintenance of such systems shall be by a qualified person.
(b) A record of the annual functional test
				  conducted in accordance with paragraph (a) of this section shall be maintained
				  by the operator. A record card of the weekly inspection shall be kept at each
				  belt drive.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1103-9 - Minimum requirements; fire suppression material and location; maintenance of entrie and crosscuts; accesdoors; communications; fire crews; high-expansion foam devices

Current through July 13, 2024
(a) The following
				  materials shall be stored within 300 feet of each belt drive or at a location
				  where the material can be moved to the belt drive within 5 minutes, except that
				  when the ventilating current in the belt haulageway travels in the direction of
				  the normal movement of coal on the belt, the materials shall be stored within
				  300 feet of the belt tailpiece or at a location where the materials can be
				  moved to the belt tailpiece within 5 minutes.
(1) 500 feet of fire hose, except that if the
				  belt flight is less than 500 feet in length the fire hose may be equal to the
				  length of the belt flight. A high expansion foam device may be substituted for
				  300 feet of the 500 feet of the fire hose. Where used, such foam generators
				  shall produce foam sufficient to fill 100 feet of the belt haulageway in not
				  more than 5 minutes. Sufficient power cable and water hose shall be provided so
				  that the foam generator can be installed at any crosscut along the belt by
				  which the generator is located. A 1-hour supply of foam producing chemicals and
				  tools and hardware required for its operation shall be stored at the foam
				  generator.
(2) Tools to open a
				  stopping between the belt entry and the adjacent intake entry; and
(3) 240 pounds of bagged rock dust.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1103-10 - Fire suppression systems; additional requirements

Current through July 13, 2024
Where the average air velocity along the belt haulage entry
					 exceeds 100 feet per minute, or the belt is not fire resistant, or both, the
					 fire suppression system in the belt haulageway shall conform with the following
					 additional sensor and cache requirements:
(a) The maximum distance between sensors
				  along the belt haulageway shall be 40 percent of those distances specified or
				  established in accordance with S 75.1103-4(a)(1) or (2), as applicable, and
				  shall be installed and put in operation within the period of time specified in
				  S 75.1103-4(a)(3).
(b) For each
				  conveyor belt flight exceeding 2,000 feet in length, an additional cache of the
				  materials specified in S 75.1103-9(a)(1), (2), and (3) shall be provided. The
				  additional cache may be stored at the locations specified in S 75.1103-9(a), or
				  at some other strategic location readily accessible to the conveyor belt
				  flight.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1103-11 - Test of fire hydrant and fire hose; record of tests

Current through July 13, 2024
Each fire hydrant shall be tested by opening to insure that
					 it is in operating condition, and each fire hose shall be tested, at intervals
					 not exceeding 1 year. A record of these tests shall be maintained at an
					 appropriate location.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1104 - Underground storage, lubricating oil and grease

Current through July 13, 2024
[Statutory Provisions]
Underground storage places for lubricating oil and grease
					 shall be of fireproof construction. Except for specially prepared materials
					 approved by the Secretary, lubricating oil and grease kept in all underground
					 areas in a coal mine shall be in fireproof, closed metal containers or other no
					 less effective containers 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 - Welding, cutting, or soldering with arc or flame underground

Current through July 13, 2024
[Statutory Provisions]
All welding, cutting, or soldering with arc or flame in all
					 underground areas of a coal mine shall, whenever practicable, be conducted in
					 fireproof enclosures. Welding, cutting, or soldering with arc or flame in other
					 than a fireproof enclosure shall be done under the supervision of a qualified
					 person who shall make a diligent search for fire during and after such
					 operations and shall, immediately before and during such operations,
					 continuously test for methane with means approved by the Secretary for
					 detecting methane. Welding, cutting, or soldering shall not be conducted in air
					 that contains 1.0 volume per centum or more of methane. Rock dust or suitable
					 fire extinguishers shall be immediately available during such welding, cutting
					 or soldering.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1106-1 - Test for methane

Current through July 13, 2024
Until December 31, 1970, a permissible flame safety lamp
					 may be used to make tests for methane required by the regulations in this part.
					 On and after December 31, 1970, a methane detector approved by the Secretary
					 shall be used for such tests and a permissible flame safety lamp may be used as
					 a supplemental testing device. A person qualified to test for methane under S
					 75.151 will be a qualified person for the purpose of this section.
TRANSPORTATION, HANDLING AND STORAGE OF LIQUEFIED AND
					 NONLIQUEFIED COMPRESSED GAS CYLINDERS
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1106-2 - Transportation of liquefied and nonliquefied compressed gacylinders; requirements

Current through July 13, 2024
(a) Liquefied and
				  nonliquefied compressed gas cylinders transported into or through an
				  underground coal mine shall be:
(1) Placed
				  securely in devices designed to hold the cylinder in place during transit on
				  self-propelled equipment or belt conveyors;
(2) Disconnected from all hoses and
				  gages;
(3) Equipped with a metal
				  cap or "headband" (fence-type metal protector around the valve stem) to protect
				  the cylinder valve during transit; and,
(4) Clearly labeled "empty" or "MT" when the
				  gas in the cylinder has been expended.
Wyoming Administrative Code › Agency 053 - Workforce Services, Department of › Sub-Agency 0004 - Mining Inspector › Chapter 4 - UNDERGROUND COAL MINES › Subpart L - Fire Protection › Section 75.1106-3 - Storage of liquefied and nonliquefied compressed gacylinders; requirements

Current through July 13, 2024
(a) Liquefied and nonliquefied compressed gas
				  cylinders stored in an underground coal mine shall be:
(1) Clearly marked and identified as to their
				  contents in accordance with Department of Transportation regulations.
(2) Placed securely in storage areas
				  designated by the operator for such purpose, and where the height of the
				  coalbed permits, in an upright position, preferably in specially designated
				  racks, or otherwise secured against being accidently tipped over.
(3) Protected against damage from falling
				  material, contact with power lines and energized electrical equipment, heat
				  from welding, cutting or soldering, and exposure to flammable
				  liquids.