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POND DESIGN CRITERIA* <br /> a. Pond Capacity Required <br /> Drainage Sediment Yield 10-Year Flood Total <br /> Area 1-Year 3-Year Volume Minimum Storage <br /> *1 cf I cf of of *2 <br /> Pads 1,2,E 3 0.0794 0.238 0.30 0.54 <br /> Pad 4 0.0024 0.0072 0.10 0.11 + <br /> *1 Sediment contributing areas effectively isolated from <br /> adjacent drainages <br /> *2 100% of both 3-Yr sediment yields and <br /> 10-YrI24-Hr Flood <br /> Maximum spillway discharge required 3.0 cfs. <br /> NOTE : The design documents for the new #2 mine pond are too <br /> voluminous to place here . If they are needed contact <br /> the Mid-Continent Environmental Coordinator . <br /> -5- <br /> 39 <br />