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� <br /> PermanentStoraee <br /> The required pennanent storage for the wet pond was based on the volume of the 6- <br /> month, 24-hour developed hydrograph. The SBiJH method was used for the tributary <br /> drainage basin using a precipitation of 0.99 inches. The results are as follows: <br /> BASIN ID: DVGMO NAME: 6-Month Developed Storm <br /> SBUH METHODOLOGY <br /> TOTAL AREA: G.GS Acres BASEFLOWS: 0.00 cfs <br /> RAINFALLTYPE: TYPEIA PERVIOUSAREA <br /> PRECIPITATION: 0.99 inches AREA: 1.60 Acres <br /> TIME INTERVAL: 10.00 min CN: 86.00 <br /> TIME OF CONC: 9.91 IMPERVIOUS AREA <br /> ABSTRACT. COEFF: 0.20 AREA: 5.05 Acres <br /> CN: 98.00 <br /> T� Reach - Channel Flow: L: 1030 feet k�: 21.00 s: U.0068 ft/ft <br /> PEAK RATE: 0.91 VOL: 0.35 Ac-ft TIME: 480 min <br /> The required permanent storage volume is 0.35 Ac-ft or 15,24G CF. <br /> Permanent stor:►ge providcd (South Cell) =54,830 CF <br /> Permanent storagc providcd (North Cell) = 2I,425 CF <br /> The excess permanent storage volume has been provided to enhance the creek corridor. <br /> STOR�t Ui2AINAGE REPOR'P fOR IN'1'IL�\1'EST-SEA�VAI' - PAGE N <br />