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PR -02 Appendix P 11/10 <br />McClane Canyon Mine <br />Appendix P -Water Consumption Estimate <br />Production <br />600,000 TonsNear <br />Production - CM <br />1,500 Tons/8 Hr Shift <br />4001 Shifts Per Year <br />2.01 Shifts Per Da <br />Continuous Miner Unit <br />Production 240 Minutes/Shift <br />Belts <br />Belt S a s 480 Minutes/Shift <br />Water Roads Inby <br />1000 al/week <br />200 al/da <br />Water Roads Outby <br />Mag Chloride 1000 gaVday 8 months <br />667 gal/day average <br />Water Coal Mine Waste <br />100,000 TonsNear <br />Add 5% Moist 1,200,000 Gallons <br />Sediment Pond Evaporation <br />Surface Area 0.93 acre <br />36 in/r evaporation <br />Bathhouse/Potable <br />1 History 1 3500 1 gai per 2 Weeks <br />350 al/da <br />UnitsIl S ra GPM/S ra Minutes Production Gallons/Da Shifts/Y <br />Gallons GaIIOnS%Ton <br />CM Units <br />1 30 1.6 240 11,520 400 <br />4608000 <br />7.68 <br />Conveyor Transfers - Inby <br />4 1 0.5 480 960 400 <br />384,000 <br />0.64 <br />Conveyor Transfers - Outby <br />14 1 0.5 240 1,680 400 <br />672,000 <br />1.12 <br />Water Roads Inby <br />1 200 400 <br />80,000 <br />0.13 <br />Water Roads Outby <br />1 667 400 <br />266,667. <br />0.44 <br />Water Coal Mine Waste <br />I I 1 <br />1,200,000 1 <br />2.00 <br />Sediment Pond Evaporation <br />0.93 Acres 36 Inches per year 1 <br />909,062 1 <br />1.52 <br />Bathhouse/Potable <br />1 350 4001 <br />140,000 1 <br />0.23 <br />Totals <br />15,377 <br />8,259,729 <br />13.77 <br />Gallons Gallons/Ton A -F Per Year <br />0.6 Million Tons <br />8,259,729 13.77 25.3 <br />Notes: <br />1 The operator must minimize its use of water because of the expense of hauling water to the mine. <br />2 Surface roads will be treated with Magnesium Chloride or other similar product to minimize dust generation and water use. <br />3 Bathhouse/potable water use is based on past consumption. <br />PR -02 Appendix P 11/10 <br />