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11/2/99 2:8:49 pm Lakeview Engineering inc. page 1 <br />GURU BHORT PLAT <br />STORM DRAINAGE ANSLYSIS AND CALCUI.ATIONS <br />DETENTION VOLUMT PRIOR TQ BAFSTY FACROR �_ <br />QitlLCCQC6 C CYiCiLCt�iOftttfi�iLtCf�i/fitiiiClL66f�i�f! <br />BASYN SUhQ+IARY <br />HASIN ID: A1 <br />SBUH METHODOLOGY <br />'TOTAL AREA........ <br />RAINFALL T7PE....: <br />PRECIPITATION....: <br />TIME INTERVAL....: <br />NAME: 2 YEAR PREDEVELOPED <br />0.40 Acrea <br />TYPSIA <br />1.55 inches <br />10.00 min <br />AB3TRACTION COEFF: 0.20 <br />P�AR RATE: 0.05 Cf9 VOL: <br />BABIN ZD: A2 <br />6HUH METHODOLOGY <br />TOTAL AREA.......: <br />RAINFALL TYPE....: <br />PRECIPITATION....: <br />TIMfi INTERVAL....: <br />BASEFLOW3: <br />AREA..: <br />CN....: <br />TC..... <br />0.00 cfe <br />PERV <br />0.30 Acres <br />85.00 <br />9.80 min <br />0.02 Ac-ft TIME: 480 min <br />NAME: 10 YEAR PR&DEVELOPED <br />0.40 Acres <br />TYPfilA <br />2.25 inchea <br />10.00 min <br />AB3TRACTION COEFF: 0.20 <br />PEAK RATE: 0.10 Cfs VOL: <br />HASIN ID: A3 <br />6BUH METHODOLOGY <br />TOTAL AREA.......: <br />RAINFALL TYPE....: <br />PRECIPITATION....: <br />TIME ZNTERVAI,....: <br />BASEFLOWS: <br />AREA..: <br />CN....: <br />TC..... <br />0.00 cfe <br />PERV <br />0.30 Acres <br />85.00 <br />9.80 min <br />0.04 Ac-ft TIME: 480 min <br />NAME: 100 YEAR PRTDEVTLOPED <br />0.40 Acres <br />TYPElA <br />3.25 inches <br />10.00 min <br />ABSTRACTION COEEF: 0.20 <br />PEAK RATE: 0.18 Cfe VOL: <br />BA3ZN ID: A4 <br />SBUH METHODOLOGY <br />TOTAL AREA.......: <br />RAINFALL TYPE....: <br />PRECIPZTATION....: <br />TIME INTERVAL....: <br />BASEFLOPI3 : <br />AREA... <br />CN....: <br />TC....: <br />0.00 cfe <br />PERV <br />0.30 Acres <br />85.00 <br />9.8o min <br />0.07 Ac-ft TIME: 480 min <br />NAM6: 2 YEAR DTiVELOPSD <br />0.43 Acree <br />TYPElA <br />1.55 inchea <br />10.00 min <br />ABSTRACTION COEFF: 0.20 <br />PEAK RATE: 0.08 Cfe VOL: <br />BA3EFLOWB: <br />AREA... <br />CI�T..... <br />TC....: <br />0.00 cfe <br />PSRV <br />0.21 Acres <br />85.00 <br />5.00 min <br />0.03 Ac-ft TIME: 480 inin <br />IMP <br />0.10 Acres <br />98.00 <br />9.80 min <br />IMP <br />C.10 Acree <br />98.00 <br />9.80 min <br />IMP <br />0.10 Acres <br />98.00 <br />9.80 min <br />IMP <br />0.22 Acree <br />98.00 <br />5.00 min <br />