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SHAW CREEK CONDOMINNMS <br />RUNOFF CURVE NUMBER CALCULATIONS <br />IIASIN IVO. 1- PROPOSED DETENTION PIPE <br />PRE DEVELOPED COIYDITIONS <br />Soil Neme nnd Cover Des <br />Fivdrolortic Soil Group <br />C <br />C <br />C <br />Arcas <br />Areas <br />us Areas <br />Number <br />RCN <br />81 <br />86 <br />89 <br />(Acres) <br />A <br />0.918 <br />0.170 <br />0.072 <br />RunoffCurvc Numbcr =(RCN x A) / A : ................................................................................................... <br />Runoff Curve Number Used in [iasin Calculations .................................................................................... <br />I3ASIN NO. 1- PROPOSF.D UETENTION PIPE <br />POST DEVELOPED CONDITIONS <br />Soil Nnme and Cover Description <br />H�•drologic Soil Group <br />Nume HSG <br />Aldenvood C Lawn Areas <br />Aldenvnod C ImperviousAreas <br />Number <br />RCN <br />86 <br />Arca <br />(Acres) <br />A <br />0.624 <br />RunoffCurve Number =(RCN � A)/ A : ................................................................................................... <br />Runoff Cun�e Number Used in I3asin Cnlculntions .................................................................................... <br />NOTG: Thc indiviJual arcas for each land cover were used in the Wntenvorks bnsin file. <br />RCN x A <br />74360 <br />14.612 <br />6.424 <br />29.947 <br />125.362 <br />85.52 <br />86.00 <br />RCN x A <br />53.634 <br />82.544 <br />136.178 <br />92.89 <br />93.00 <br />WebbdDelCalc.Mls 28 �nlrz <br />3G <br />