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CRESSON HEAP LEACH WATER BALANCE <br />PHASE 2 LEACH PAD <br />4,500 CONTINOUS APPLICATION RATE TO HEAP <br />DETERMINISTIC ANALYSIS <br /> <br />INPUT DATA: LAKE EVAPORATION (in) <br /> PRECIP (in) PRECIP MONTH <br />NTH MEAN TD DE MEAN MEAN STD DEV WGT <br /> +2STD DEV FACTOR <br />JAN 0.38 0.27 0.02 0.870 0.71 0.28 <br />FEB 0.30 0.18 0.8E 1.040 0.25 0.34 <br />MAR 0.80 0.37 1.34 2.370 0.39 0.77 <br />APR 1.37 1.1E 3.W 4.280 0.77 1.40 <br />MAY 1.87 0.83 2.83 4.570 0.70 1.49 <br />JUN 1.59 7.11 3.81 S.SBE 0.88 1.82 <br />JUL 4.8d 2.57 9.98 5.110 0.77 1.71 <br />AUG 3.8E 1.85 7.58 4.500 O.E4 1.47 <br />SEP 1.61 0.57 2.75 3.800 0.80 1.24 <br />OCT 1.08 O.B3 2.94 2.490 0.47 0.81 <br />NOV 0.38 0.1E O.EB 1.110 0.28 0.38 <br />DEC 0.4E 0.50 1.4E O.B80 0.14 0.2D <br />TOTAL 17.8E 38.72 38.80 <br /> AVG 3.0T <br />YEARLY ORE PRODUCTION RATE. <br />AVG PRIMARY LEACH APPLICATION PATE _ <br />INITIAL ORE MOISTURE. <br />ORE MOISTURE FIELD CAP.= <br />AVG BARREN FLOW TO HEAP. <br />ANNUAL AYG DRIP EVAPORATIVE LOSS (% OF USAGE/100). <br />AVG PRECIPITATION LOSS ON INACTIVE HEAP (%/100)= <br />MINIMUM OPERATING VOLUME OF PREG SOLUTION STORAGE= <br />OPERATING PREGNANT SOLN. STORAGE VOLUME ABOVE MIN ± <br />SOLUTION DRAINDOWN DURATION @AVG. APPLICATION RATE. <br />100 YEAR, 24 HOUR STORM DEPTH= <br />• <br /> <br />8,000,000 TONS <br />0.0034 GPM/SF <br />0.058 BV WEIGHT <br />0.08 BV WEIGHT <br />4500 GPM <br />0.02 <br />0.25 <br />2,000.000 GALLONS <br />70,000,000 GALLONS <br />24 HOURS <br />3.5o INCHES <br /> <br />