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Kn i h t Pie"s o l d Table 2.9 <br /> 9Cripple Creek and Victor Gold Mining Co. (Newmont) <br /> C O N S U L T I N G Cripple Creek and Victor Mine <br /> Stormwater Management Plan Evaluation <br /> Summary of Existing SWMP Evaluation Findings <br /> Impoundment Spillway Inflow Diversion Channel <br /> Required Weir Required Chute As-built <br /> Required Volume: As-built Weir As-built Chute As-built Riprap Required Riprap Required Peak As-built Riprap Required Riprap <br /> EMP As-built Volume Upgrades Spillway Peak Flow: Peak Flow: Upgrades Channel Flow Upgrades <br /> s 2x 10yr/24hr Runoff Flow Capacity Flow Capacity Stability Stability Flow: 100yr/24hr Stability Stability <br /> (ft ) 3 required? exists? 100yr/24hr 100yr/24hr required? Exists? Capacity required? <br /> (ft ) (cfs) (cfs) (cfs) (cfs) Factor of Safety Factor of Safety (cfs) (cfs) Factor of Safety Factor of Safety <br /> 1iu 3y 1 No NA NA NA NA NA <br /> • . . No NA NA NA NA NA <br /> 8b 560,736 501,995 No 1.3 1.2 300 131 <br /> N. <br /> .• 1.4 1.2 • No NA NA NA NA NA <br /> NA <br /> NA <br /> •. • . . -. .� - •. . . No NA NA NA NA <br /> • . No NA NA NA NA <br /> • �� �� • 250 57 � <br /> 16 167,265 21,930 No 25 4 111 36 • - 1.2 <br /> 34 30 50 � 1.9 1.2 111 36 <br /> 17, 17a, 17b 526,446 193,518 No - <br /> (combined) • 30 10 65 4.6 1.2 Yes 39 9 4.1 1.2 No <br /> • . No NA NA NA NA NA <br /> 18 199,631 157,385 No • • <br /> 103 8 • <br /> • 31 7 • <br /> 20 320,145 67,494 No - • <br /> 21 89,235 66,551 No •RiMrM No NA NA NA NA NA <br /> • No NA NA NA NA NA <br /> • •- •- No NA NA NA NA NA NA No No NA NA NA NA NA <br /> Notes: <br /> 1. Red shading denotes structures that require upgrades. <br /> 2. Green shading denotes structures that do not require upgrades. <br />