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Consumptive use <br />Max Acre- <br />feet /yr Use <br />Comments <br />1. Dust Control on Roads/Pit <br />3.29 <br />2. Crushing and Screen Plant <br />0.32 <br />3. Wash Plant <br />0.94 <br />4. Concrete Plant <br />0.12 <br />5. Asphalt Plant <br />0.12 <br />6. Potable water <br />0.00 <br />Total <br />4.79 <br />This is a maximum consumptive use <br />based on full operation. <br />consumptive use through evaporation and infiltration. This results in a consumptive use of 0.94 <br />acre feet. <br />4) Concrete batching <br />The concrete plant will have a throughput rate of 2000 tons per day. Based on the estimated <br />annual concrete production, the plant will operate 10 days per year and will use approximately <br />4000 gallons for each operating day. Therefore, the consumptive use is 0.12 acre feet per year. <br />5) Asphalt plant operation <br />The asphalt plant will have a throughput rate of 2000 tons per day. Based on the estimated <br />annual asphalt production, the plant will operate 10 days per year and will use approximately <br />4000 gallons for each operating day. Therefore, the consumptive use is 0.12 acre feet per year. <br />6) Potable water for drinking <br />Potable drinking water is estimated to be 50 gallons per month, but this water will be purchased <br />commercially and will not be considered in the consumptive use calculations. <br />Summary of Consumptive Uses <br />Uncompahgre Pit, February 2013 G -4 <br />