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/Off <br />5618.8 <br />5603.1 � /// / <br />6:�, <br />0 <br />ofte <br />28.47 <br />' 57Z.4 <br />5679.2 <br />5687.0 <br />sue, <br />�s <br />5764.4 <br />5665.0 <br />/� <br />Runoff Curve Number and Runoff <br />Pro)act: POND 012 By: R. L. OURKA <br />Location: NEW HORIZON MINE <br />Pre ... t <br />ON C <br />AREA <br />UNDISTURBED <br />90 0.500 <br />12.152 Anne <br />DISTURBED <br />85 0.500 <br />42.933 Anne <br />ON (weighted): 64 <br />OF (weighted): 9.500 <br />2. Runoff <br />Frequency ..............: <br />10 W <br />Rainfall, P (24 -hour) ..: <br />2.00 In <br />Ruo9ff, 0 ..............:0.74 in <br />Runoff Vol. m...........: <br />3.39 Acre -Ft <br />Time of Conc.nt.U.n (sCS Method) <br />Cum Number, 84 <br />Length of Flow (N): 1351.51 <br />Average Land Slope 0:6.4 <br />Time of Concentration (in): 0.23 <br />Pond Report <br />Top of dam elavatlon: 5610.0000 <br />Bottom of pond elavatlon: 5603.0000 <br />Top of dam width: 10.0000 <br />Cut slope percent grade: 100.00, slope ratio: 1.00 <br />Fill elope percent Brad.: 2$.00, slope ratio: 4.00 <br />Interior elope Percent grade: 40.00, slope ratio: 2.50 <br />Lower left grid comer : 11 14657.98,6Q1617.47 <br />Upper right grid comer. 11117967.98,603397.47 <br />X grid resolution: 331, Y grid resolution: 178 <br />X grid cell size: 10.00, Y grid cell size: 10.00 <br />Pond EarthWorlt Volume. <br />Total DII: 4,186.42 C.F., 155.05 C.Y. <br />Total cut : $00,392.33 C.F., 18,533.05 C.Y. <br />Pond storage Volume. <br />Water Elev Storage(Acre t) (C.Y.) (C.F.) Area(ACr.) <br />5603,00 0.00000 0.0 0.0 0.515 <br />5604.00 0.54061 672,2 23549.1 0.564 <br />5803.00 1.14204 1942.5 49747.1 0.838 <br />5606.00 1.78390 2878.0 77706.9 0.700 <br />5607.00 2.48382 4007.2 108195.3 0.720 <br />5608.00 3.22681 1205.9 140559.8 0.781 <br />5609.00 4.02186 0488.6 175192.2 0.830 <br />5610.00 4.88649 7851.3 211964.4 0.85r <br />RECEIVED <br />JA4, 14 2'U05 <br />Division of Minerals and Geology <br />0 400 <br />ATTACHMENT 2.05.3(3)12 -1 <br />,adEL '`^� WESTERN FUELS - COLORADO <br />A UMITED UABIUTY COMPANY <br />NA7 HORIZON XWE <br />ra 1he eR w m ncH <br />PROPOSED <br />POND 012 <br />oA �_ <br />IlalQela PE /�(_�,.Ai (�I�IC� <br />F:\ENO \OATA\ ACID \PEWIR\2003PERNIr\x003PERMR MODS\ATTACI61p1R .05.3(3)- 1x- 1_tq- sz.DMC <br />