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W Designated Location Dust Control Methane Control <br />• Face Areas <br />A. Continuous Miner 1. Water sprays 1. Intake air <br /> 2. Line brattice or <br />auxiliary fan 2., <br />3. Methanometer <br />Line brattice or <br /> auxiliary fan <br />= 6. hoof Bolter 1. Vacuum dust col- ~Z. Intake air <br /> lection or water- _2. Line brattice or <br /> through the steel " auxiliary fan <br /> 2. Line brattice or <br /> auxiliary fan <br />c. Shuttle Car 1. Watering until 1. Intake air <br />• Haulage Roads damp 2. Line brattice <br />d. Auxiliary Fan 1. Rock dust added i. Fresh air <br /> Discharge to discharge air 2. Line brattice <br /> stream <br />6. "Sprays indicated for dust suppression on each piece of equipment <br />shall be maintained and operated at the indicated water pressure <br />and flow rate as follows:" <br /> Minimum Minimum <br /> *No, of Sprays *Min. No. of Sprays Water Flaw <br />Equipment Type on Equipment in operation Pressure Rate <br />Continuous <br />.. Miner - NMS <br />Marietta 3080 22 18 100 15 <br />*Additional sprays which may be added to test possible benefits of different <br />spray types and configurations are not to be included in these totals. <br />Note: The pressure required is the actual operating pressure and will be <br />measured at the first spray in the system. <br />7. All dead ended entries, idle working faces and working faces where <br />roof bolting is being done will be ventilated by exhausting auxiliary <br />fans and tubing or line brattice to within ten feet of the face. <br />8. All methane tests will be conducted at a point not less than 12 <br />,. <br />inches from the roof, face or rib. The examiner shall not expose <br />s <br />