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I <br /> Stormwater Management Report Everett, WA <br /> I <br /> Shallow Paved 1104.00 ft 2.00`)/0 .0.0100 6.40 min <br /> I <br /> IPRE Event Summary <br /> Event Peak Q (cfs) Peak T (hrs) Hyd Vol (acft) Area (ac) Method Raintype' <br /> I 6 mo 0.0541 22.00 0.0599 7.5400 SBUH :TYPE1A <br /> 2 year 0.1709 10.00 ' 0.2141 7.5400 ; SBUH :TYPE1A <br /> I10 year 0.7553 1 8.67 , 0.6373 . 7.5400 SBUH TYPE1A <br /> 100 year 1.2373 „ 8.67 ; 0.9477 , 7.5400 ; SBUH ,TYPE1A <br /> 1 Record Id: PRE <br /> , . <br /> Design Method SBUH Rainfall type ' TYPE1A <br /> IHyd Intv 10.00 min Peaking Factor ' 484.00 <br /> Abstraction Coeff 0.20 <br /> I 'Pervious Area (AMC 2) 7.54 ac DCIA 0.00 ac <br /> Pervious CN , <br /> 81 .00 :DC CN 0,00 <br /> I Pervious TC <br /> 61 .71 min iDC TC 0.00 min <br /> Pervious CN Calc <br /> 1 Description SubArea Sub cn <br /> Wood/forest land (young 2nd growth/brush) <br /> 7.54 ac 81 .00 <br /> Pervious Composited CN (AMC 2) 81.00 <br /> I <br /> Pervious TC Calc <br /> 1 ' Type i Description <br /> Woods or forest with light Length i Slope Coeff Misc TT <br /> i <br /> Sheet 300.00 % 59.40 <br /> 13.50 0.4000' , <br /> :1.55 <br /> „underbrush.: 0.40 -ftIn 'min <br /> I Shallow Brushy ground with some trees <br /> 4.60 ft .6.90% 0.0600 .0.05 <br /> (n-0.060) imm <br /> I Shallow Brushy ground with some trees 170.00 ,74.70% 0.0600 0.61 <br /> (n=0.060) ft <br /> Channel Meandering stream w/ some 564.00 1.64 <br /> I (cont) ,pools (n-0.040) ft 8.00% 0.0400 <br /> min <br /> 61 .71 <br /> Pervious TC <br /> min <br /> , _ <br /> I <br /> IPACLAND Job# 50108001 Page 16 <br />