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Intermec/Kenilworth Hills Stormwater Analysis Everett, WA <br /> 11 Record Id: POST-UH <br /> I !Design Method SBUH Rainfall type 1 hr <br /> 1- <br /> 1Hyd Intv --1 <br /> 10.00 min Peaking Factor 484.00 <br /> [-Abstraction Coeff 0.20 <br /> I iPervious Area (AMC 2) 37.50 ac 1DCIA <br /> { 0.00 ac <br /> Pervious CN CN 95.40 1DC CN 0.00 <br /> I1Pervious TC 18.15 min 'DC TC ! 0.00 min <br /> Pervious CN Calc :1 <br /> I 1' <br /> ,! Description ! SubArea ! Sub cn <br /> Open spaces, lawns,parks (>75`)/0 grass) ! 5.50 ac 86.00 <br /> IH Impervious surfaces (pavements, roofs, etc) 1 22.00 ac 98.00 1 <br /> Wood/forest land (young 2nd growth/brush) I 10.00 ac 81.00 <br /> I i <br /> , <br /> Pervious Composited CN (AMC 2) 91.71 <br /> Pervious TC Calc <br /> li <br /> I !III Type ; <br /> Description Length Slope Coeff ! Misc 1 TT , <br /> !Sheet Dense grasses : 0.24 80.00 ft 6.00% 0.2400 1 .55 in 11.05 min 1; <br /> 1 '!Sheet ;Smooth Surfaces.: 0.011 130.00 ft r3.00`)/0 [0.0110 1.55 in 0.56 min <br /> Shallow Paved 340.00 ft ,3.00% 10.0100 r1.61 min il <br /> il <br /> I 1Shallow Paved <br /> 1 F i1200.00 ft 14.00% ,0.01 00 , 14.92 min <br /> 11 Pervious TC 118.15 min li <br /> 1 <br /> I <br /> Hydl D Peak Q (cfs) !Peak T (hrs) Peak Vol (ac-ft) iCont Area (ac) <br /> I , ,- <br /> 25 year out' 0.3646 ' 2.17 1 1.3055 1 37.5000 <br /> I Record Id: FULL POND <br /> Descrip: ;Prototype Record I ncrement10.10 ft , <br /> I , <br /> IStart El. !100.0000 ft [Max El. 1109.0000 ft <br /> --! <br /> Stage Volume <br /> I <br /> Stage (ft) i <br /> ; Volume (cf) '100.00 . 0.0000 <br /> I 104.00 ' 61447.0000 <br /> 109.00 ' 164547.5000 <br /> I <br /> IPACLAN D Job# 501 75001 Page 1 1 <br />