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• SEDIMENT VOLUME -Pond B <br />A=RKLSCP <br />R =rainfall factor 30.00 <br />K =soil erodibility factor 0.37 <br />LS =combined length slope factor 400' - 24% 11.20 <br />C =cropping management factor 0.0724 <br />P =erosion control practice factor 0.75 <br />A =sediment, tons/acrelyear 6.75 <br />ONE YEAR SEDIMENT VOLUME -ACRE FEET 0.41 <br />150.7 ACRES - 115 IlICF <br />TOTAL REQUIRED SEDIMENT POND CAPACITY -- AF 3.35 <br />PEAK FLOW CALCULATIONS <br />The following peak flow calculations were compiled with the computer program STORM <br />version 6.21. Details of the run-off calculations are shown on the following pages. <br /> 10-YR 25-YR <br /> 24 FIIt 24 HR <br />• Event Event <br />Pond B Drainage 16.28 21.64 <br />Pond C Drainage 30.32 39.96 <br />Drainage Area D 8.36 ----- <br />Drainage Area E 3.63 ----- <br />Flow calculations for the site ditches and culverts are presented in following sections of this <br />exhibit. <br />• <br />PR-03 EXII-8 -7 - 5/99 <br />