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1 lntermec/Kenilworth Hills Stormwater Analysis Everett, WA <br /> I <br /> I Pervious CN Calc <br /> Description ; SubArea Sub cn <br /> I ;; Open spaces, lawns,parks (>75`)/0 grass) ! 9.70 ac 86.00 6 30 ac 98 00 I <br /> ' <br /> Impervious surfaces (pavements, roofs, etc) <br /> : . , . li <br /> 1r <br /> II Pervious Composited CN (AMC 2) , 90.73 <br /> Iit Pervious TC Calc ! <br /> I Type ; Description ; Length Slope i Coeff I Misc <br /> Fixed from report <br /> , TT <br /> :63.00 min <br /> Pervious TC 63.00 min <br /> I . <br /> I1 HydID 'Peak Q (cfs) :Peak T (hrs) Peak Vol (ac-ft) Cont Area (ac); <br /> ,Pond 2 Inflow 1 3.8852 1.00 . 1.9379 36.5000 <br /> Pond 2 Outflow! 0.1772 45.33 1.9378 1 36.5000 <br /> Record Id: INT-DN-PND <br /> I i <br /> i D e s c r i p: Prototype Record 'Increment:0.10 ft <br /> Start El. 471.9600 ft Maxi El. ,476.7600 ft! <br /> IStage Volume <br /> Stage (ft) Volume (cf) <br /> 1 471.96 0.0000 <br /> 476.76 i 82000.0000 <br /> I Record Id: INT-DN <br /> Descrip: 'Prototype Structure!Increment 10.10 ft <br /> I :Start El. ,471.9600 ft Max El. 490.0000 ft <br /> Orif Coeff 0.62 ;Lowest Orif El. F471.96 <br /> I !Lowest Diam :2.0000 in 'Dist to next 14.8000 ft <br /> b2 18.0000 in Dist to next 10.0000 ft <br /> I <br /> I <br /> I <br /> IPACLAND Job# 501 75001 Page 17 <br />