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page 1 <br />12/11/95 10:9:22 am <br />South Pointe, Everett, Washington <br />Santa Barbra Urbna Hydrograph _______ <br />Storm Drainage Analsyis <br />-- <br />____________________________BASIN SUMMARY -- <br />BASIN ID: 100yrdv <br />ggtJH METHODOLOGY <br />TOTAL hREA.......: <br />RAINFALL TYPE....: <br />PRECIPITATION....: <br />TIME INTERVAL....: <br />NAME: 100 yr Storm Dev <br />0.55 Acres <br />TYPElA <br />3.25 inches <br />10.0o min <br />ABSTRACTION COEFF: 0.20 <br />P�AK RaTE: 0.32 cfs VOL: <br />BASIN ZD: 100yrex <br />ggjJH METHODOLOGY <br />TOTAL AREA.......: <br />R.AINFALL TYPE....: <br />PRECIPITATZON....: <br />TIME INTERVAL.•••� <br />NAME <br />BASEFLOWS: <br />AREA..: <br />CN....: <br />TC....: <br />Conditiens <br />0.00 cfs <br />PERV <br />p,22 Acres <br />86.00 <br />5.00 min <br />0.12 Ac-ft TIME: 480 min <br />IMP <br />0.33 Acres <br />98.00 <br />5.00 min <br />100 yr Storm Exist. Conditions <br />0.55 Acres <br />TYPElA <br />3.25 inches <br />10.00 min <br />ABSTRACTION COE16.cfso VOL <br />PEAK RATE: <br />NAME: 10 yr Storm Dev. Condi�ions <br />BASEFLOWS: <br />AREA..: <br />CN....: <br />TC....: <br />0.00 cfs <br />PERV <br />0.48 Acres <br />86.00 <br />41.20 min <br />0.09 Ac-ft TIME: 490 min <br />BASIN ID: l0yrdv <br />ggUH METHODOLOGY <br />TOTAL ARF.A.......: <br />RAINFALL TYPE....: <br />PRECZPZTATION....: <br />TIME INTERVAL••••� <br />0.55 Acres <br />TYPfilA <br />2.25 inches <br />lo.00 min <br />F,BSTRACTION COEFF: 0.20 <br />PEAK RATE: 0.20 cfs VOL: <br />NAME: lo yr Storm Exist. Conditions <br />BASEFI�OWS : <br />AREA..: <br />CN....: <br />TC....: <br />0.00 cfs <br />PERV <br />p,22 Acres <br />86.00 <br />5.00 min <br />0.07 Ac-ft TIME: 480 min <br />BASIN ID: l0yrex <br />ggUH METHODOLOGY <br />TOTAL AREA.......: <br />RAINFALL TYP�••••� <br />PRECIPITATION....: <br />TIME INTERVAL....: <br />0.55 AcYes <br />TYPElA <br />2.25 inches <br />10.00 min <br />BA.SEFLOWS : <br />AREA..: <br />CN....: <br />TC....: <br />0.00 cfs <br />PERV <br />0.48 Acres <br />86.00 <br />41.20 min <br />ZMP <br />0.07 Acres <br />98.00 <br />41.20 min <br />ABSTRACTZON COEFF: �•20 q90 min <br />PEAK RATE: 0.09 cfs VOL: 0.05 Ac-ft TIME: <br />ItdP <br />0.33 Acres <br />98.00 <br />5.00 min <br />IMP <br />p.07 Acres <br />98.00 <br />41.20 min <br />