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and Sedimentology for Small Catchments by Haan, Barfield and Hayes. Based on an <br />approximate ground cover of 70% for permanent pasture, a Cf factor of 0.04 was used, which is <br />conservative. <br />The pond volume below the primary spillway will be comprised of one design needs: <br />1) 3 year sediment delivery of 0.3 acre -ft, as based on the calculations above. <br />This is a total volume of 0.3 acre -ft. <br />As seen in the stage storage relationship, the pond has 5.2 acre -ft of storage at this elevation. <br />Detention time of 24 hours is shown in the SEDCAD outputs, which are at the end of this <br />section. <br />REVISED AUGUST 2009 Attachment 2.05.3(3) -22 -5 <br />