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• • <br />Cripple Creek and Victor Gold Mining Co. <br />MLE Storm Water <br />Summary of Basin Volumes and Pond Dimensions <br /> <br /> Crest Footprint Bottom Footprint <br /> Runoff Design <br /> Terminal Pond <br />Basin <br />CN1 <br />Areal <br />CN2 <br />Areal Weighted Total <br />S (in) <br />Pdesign <br />O (in) <br />Volume (Ac <br />Volume <br />H3 <br />H1 Area3 <br />L3 (ft) <br />L1 (ft) Areal <br /> Name CN Area (Sq.Ft.) (Sq.Ft.) <br /> Ft Ac-Ft <br /> ECOSA-1 EMP015 75 120 75 120 3.33 2.40 0.59 5.93 11.8596 53.7 38.7 215 46,127 155 23,954 <br /> ECOSA-2 EMP017 75 63 75 63 3.33 2.40 0.59 3.11 6.23 40.8 25.8 163 26,682 103 10,680 <br />m ECOSA-3 EMP016 75 39 75 39 3.33 2.40 0.59 1.93 3.85 33.6 18.6 134 18,055 74 5,531 <br /> ECWH-1 EMP010 66 69.7 66 69.7 5.15 2.40 0.29 1.67 3.34 31.7 16.7 127 16,124 67 4,486 <br />~ ECWH-2upper EMP016 71 46.4 71 46.4 4.08 2.40 0.44 1.71 3.42 32.0 17.0 128 16,419 68 4,643 <br />°m ECWH-2Lower EMP016 66 28.6 66 28.6 5.15 2.40 0.29 0.69 1.37 22.7 7.7 91 8,223 31 941 <br />~ ECWH-3 EMP015 71 68 71 68 4.08 2.40 0.44 2.51 5.01 37.3 22.3 149 22,317 89 7,990 <br />U ECWH-4 EMP10 71 7.6 71 7.6 4.08 2.40 0.44 0.28 0.56 16.6 1.6 66 4,412 6 41 <br /> EMP10Total 77.30 77.30 1.95 3.90 33.8 18.8 135 18,234 75 5,630 <br />w EMP015Total 234.4 234.40 10.15 20.29 68.0 53.0 272 74,052 212 44,997 <br /> EMP016Total 66 67.6 67.60 2.61 5.23 38.0 23.0 152 23,093 92 8,458 <br /> EMP017Total 66 80.15 66 63 3.11 11.45 52.9 37.9 212 44 749 152 22 964 <br /> PG-1 EMP9 66 56.6 66 56.6 5.15 2.40 0.29 1.36 2.71 29.3 14.3 117 13,705 57 3,257 <br />~ <br />L c ~ r NC-1 EMPBa 66 56.4 66 56.4 5.15 2.40 0.29 1.35 2.70 29.2 14.2 117 13,668 57 3,239 <br />o m > > NC-2 EMPBb 66 29.4 66 29.4 5.15 2.40 0.29 0.70 1.41 22.9 7.9 92 8,389 32 998 <br />Z ~' d ~ NC-3 EMPBb 66 51.5 66 51.5 5.15 2.40 0.29 1.23 2.47 28.2 13.2 113 12,744 53 2,797 <br />~ EMPBb Total 66 80.9 66 80.9 5.15 2.40 0.29 1.94 3.88 33.7 18.7 135 18 147 75 5 582 <br />~, GHlnt-1 50 52.5 50 52.5 10.00 2.40 0.02 0.07 0.13 9.9 -5.1 40 1,563 -20 419 <br />a . <br />o = Contained, <br />GHlnt-2 <br />50 <br />25 <br />50 <br />25 <br />10.00 <br />2.40 <br />0.02 <br />0.03 <br />0.06 <br />#### <br />k <br />#NUM! <br />#NUM! <br />#NUM! <br />#NUM! <br />~ Outlet to Mine <br />GHlnt-3 <br />50 <br />84.6 <br />50 <br />84.6 <br />10.00 <br />2.40 <br />0.02 <br />0.11 <br />0.22 <br />12.0 <br />-3.0 <br />48 <br />2 320 <br />-12 <br />140 <br /> NSGOSA-1 EMP007 66 41 66 41 5.15 2.40 0.29 0.98 1.97 25.9 10.9 104 10,722 44 1,896 <br />m v r NSGOSA-2 EMP007 66 45 66 45 5.15 2.40 0.29 1.08 2.16 26.8 11.8 107 11,500 47 2,232 <br />n ~ Z 66 86 66 86 5.15 2.40 0.29 2.06 4.12 34.5 19.5 138 19,058 78 6,092 <br />r Additional Flow to EMP007 <br /> S2 EMP007 71 44 71 44 4.08 2.40 0.44 1.62 3.24 31.4 16.4 125 15,746 65 4,28 <br />~ o S10 EMP007 71 25 71 25 4.08 2.40 0.44 0.92 1.84 25.3 10.3 101 10,215 41 1,68 <br />O ~ °o_ S13 EMP007 71 6.1 71 6.1 4.08 2.40 0.44 0.22 0.45 15.4 0.4 62 3,808 2 <br />m ~ w S14 EMP007 71 9.5 71 9.5 4.08 2.40 0.44 0.35 0.70 17.9 2.9 72 5,131 12 13 <br />E c_ Am8 Total 71 84.6 71 84.6 4.08 2.40 0.44 3.12 6.23 40.9 25.9 163 26 713 103 10 70 <br /> Revised EMP007 5.18 10.36 50.6 35.6 203 41 035 143 20 327 <br />SCS Curve Number Criteria <br />Curve No. Terrain and Vegetation <br />95 <br /> Compacted Roadways <br />71 Post Reclamation Grassed <br /> Revegetation <br />66 Post Reclamation Forested, <br /> Pre-mining Natural Areas <br />50 Overburden Fill Areas and <br /> Diatreme <br />1 5' <br />Crest Footprint (nom) <br />Ls ft. X Ls ft. or <br />Areas (Sq.Ft.) _ <br />i ~, i \--- <br />Base Footprint <br />L1ft.xLlft.or <br />Areal (Sq.Ft.) <br />TABLE I Steffens and Assoc., Inc. <br />4/11/2008 <br />