053-4 Wyo. Code R. § 75.371
The mine ventilation plan shall contain the information described below and any additional provisions required by the district manager:
(a) The mine name, company name, mine identification number, and the name of the individual submitting the plan information.
(b) Planned main mine fan stoppages, other than those scheduled for testing, maintenance or adjustment, including procedures to be followed during these stoppages and subsequent restarts (see 75.311(a)) and the type of device to be used for monitoring main mine fan pressure, if other than a pressure recording device (see 75.310(a)(4)).
(c) Methods of protecting main mine fans and associated components from the forces of an underground explosion if a 15-foot offset from the nearest side of the mine opening is not provided (see 75.310(a)(6)); and the methods of protecting main mine fans and intake air openings if combustible material will be within 100 feet of the area surrounding the fan or these openings (see 75.311(f)).
(d) Persons that will be permitted to enter the mine, the work these persons will do while in the mine, and electric power circuits that will be energized when a back-up fan system is used that does not provide the ventilating quantity provided by the main mine fan (see 75.311(c)).
(e) The locations and operating conditions of booster fans installed in anthracite mines (see 75.302).
(f) Section and face ventilation systems used, including drawings illustrating how each system is used, and a description of each different dust suppression system used on equipment on working sections.
(g) Locations where the air quantities must be greater than 3,000 cubic feet per minute (see 75.325(a)(1)).
(h) In anthracite mines, locations where the air quantities must be greater than 1,500 cubic feet per minute (see 75.325(e)(1)).
(i) Working places and working faces other than those where coal is being cut, mined, drilled for blasting or loaded, where a minimum air quantity will be maintained, and the air quantity at those locations (see 75.325(a)(1)).
(j) The operating volume of machine mounted dust collectors or diffuser fans, if used (see 75.325(a)(3)).
(k) The minimum mean entry air velocity in exhausting face ventilation systems where coal is being cut, mined, drilled for blasting, or loaded, if the velocity will be less than 60 feet per minute. Other working places where coal is not being cut, mined, drilled for blasting or loaded, where at least 60 feet per minute or some other minimum mean entry air velocity will be maintained (see 75.326).
(l) The maximum distance if greater than 10 feet from each working face at which face ventilation control devices will be installed (see 75.330(b)(2)). The working places other than those where coal is being cut, mined, drilled for blasting or loaded, where face ventilation control devices will be used (see 75.330(b)(1)(ii).
(m) The volume of air required in the last open crosscut or the quantity of air reaching the pillar line if greater than 9,000 cubic feet per minute (see 75.325(b)).
(n) In anthracite mines, the volume of air required in the last open crosscut or the quantity of air reaching the pillar line if greater than 5,000 cubic feet per minute (see 75.325(e)(2)).
(o) Locations where separations of intake and return air courses will be built and maintained to other than the third connecting crosscut outby each working face (see 75.333(b)(1)).
(p) The volume of air required at the intake to the longwall sections, if different than 30,000 cubic feet per minute (see 75.325(c)).
(q) The velocities of air on a longwall or shortwall face, and the locations where the velocities must be measured (see 75.325(c)(2)).
(r) The minimum quantity of air that will be provided during the installation and removal of mechanized mining equipment, the location where this quantity will be provided, and the ventilation controls that will be used. (see 75.325(d),(g) and(i))
(s) The locations and frequency of the methane tests if required more often by 75.362(d)(1)(iii) (see 75.362 (d)(1)(iii).
(t) The locations where samples for -designated areas- will be collected, including the specific location of each sampling device, and the respirable dust control measures used at the dust generating sources for these locations (see 70.208 of this chapter).
(u) The methane and dust control systems at underground dumps, crushers, transfer points, and haulageways.
(v) Areas in trolley haulage entries where the air velocity will be greater than 250 feet per minute and the velocity in these areas (see 75.327(b)).
(w) Locations where entries will be advanced less than 20 feet from the inby rib without a crosscut being provided where a line brattice will be required. (see 75.333(g)).
(x) A description of the bleeder system to be used, including its design (see 75.334).
(y) The means for determining the effectiveness of bleeder systems (see 75.334(c)(2)).
(z) The locations where measurements of methane and oxygen concentrations and air quantities and tests to determine whether the air is moving in the proper direction will be made to evaluate the ventilation of nonpillared worked-out areas (see 75.364 (a)(1)) and the effectiveness of bleeder systems (see 75.364 (a)(2)(iii). Alternative methods of evaluation of the effectiveness of bleeder systems (75.364 (a)(2)(iv)).
(aa) The means for adequately maintaining bleeder entries free of obstructions such as roof falls and standing water (see 75.334(c)(3)).
(bb) The location of ventilation devices such as regulators, stoppings and bleeder connectors used to control air movement through worked-out areas (see 75.334(c)(4)). The location and sequence of construction of proposed seals for each worked-out area. (see 75.334(e)).
(cc) In mines with a demonstrated history of spontaneous combustion: a description of the measures that will be used to detect methane, carbon monoxide, and oxygen concentration during and after pillar recovery and in worked-out areas where no pillars have been recovered (see 75.334(f)(1); and, the actions which will be taken to protect miners from the hazards associated with spontaneous combustion (see 75.334(f)(2). If a bleeder system will not be used, the methods that will be used to control spontaneous combustion, accumulations of methane-air mixtures, and other gases, dusts, and fumes in the worked-out area (see 75.334(f)(3)).
(dd) The location of all horizontal degasification holes that are longer than 1,000 feet and the location of all vertical degasification holes.
(ee) If methane drainage systems are used, a detailed sketch of each system, including a description of safety precautions used with the systems.
(ff) A description of the methods and materials to be used to seal worked-out areas if those methods or materials will be different from those specified by 75.335(a)(1).
(gg) The alternative location for the additional sensing device if the device will not be installed on the longwall shearing machine (see 75.342(a)(2)).
(hh) The ambient level in parts per million of carbon monoxide, and the method for determining the ambient level, in all areas where carbon monoxide sensors are installed.
(ii) The distance that separation between the primary escapeway and the belt or track haulage entries will be maintained if other than to the first connecting crosscut outby the section loading point (see 75.380(g)).
(jj) In anthracite mines, the dimensions of escapeways where the pitch of the coal seam does not permit escapeways to be maintained 4 feet by 5 feet and the locations where these dimensions must be maintained (see 75.381(c)(4)).
(kk) Areas designated by the district manager where measurements of CO and NO2 concentrations will be made (see Sec. 70.1900(a)(4)).
(ll) Location where the air quantity will maintained at the section loading point (see Sec. 75.325(f)(2)).
(mm) Any additional location(s) required by the district manager where a minimum air quantity must be maintained for an individual unit of diesel-powered equipment (see Sec. 75.325(f)(5)).
(nn) The minimum air quantities that will be provided where multiple units of diesel-powered equipment are operated (see Sec. 75.325(g)(1)-(3)and (i)).
(oo) The diesel-powered mining equipment excluded from the calculation under Sec. 75.325(g) (see Sec. 75.325(h)).
(pp) Action levels higher than the 50 percent level specified by Sec 70.1900(c) (see Sec 75.325(j).
053-4 Wyo. Code R. § 75.371