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x ' <br /> Tracy Materials <br /> Recovery Transfer Facility <br /> Tracy,California <br /> Rainfall Computations <br /> Assumptions: <br /> Soil Type: <br /> Hydrologic Soils Group:C <br /> Antecedent Moisture Condition <br /> Hydrologic Condition::N1A ;' '::::::' ::;: ;:' Roads <br /> CN= lYii`i.>:> `?>`><_%#> Hard Surface <br /> Gross Rain(P,)::>> ';> >< z_ <:2;$II inches <br /> .. <br /> Soil Storage Capacity(S): S=(1000/CN)-10 <br /> S= ..... 1 <br /> .............. <br /> Initial Abstraction(I,): Ia=0.25 <br /> Net Rain(PN)_ (Py-0.2S)2 <br /> P9+0.8S <br /> PN= :> ?i>?<:?<:> ? <>": $?? inches <br /> feet <br /> Drainage Area: Compost and Storage Area <br /> Total Drainage Area(Ad)_ `........ <br /> acres <br /> Rainfall Volume: <br /> Volume NO= PN(Ad) <br /> VR <br /> ........................ ...:.. <br /> 0.52 acre-ft <br /> EDGAR AND ASSOCIATES,LNC. Tracy Sed Basin Volume 071006.xls <br /> 7/10/2006 Sacramento,CA 150K Retention Basin-100 Y <br />