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I -•--- . <br /> .,i -• . .. . ' <br /> . DRAINAGE PLAN SUBMISSION FORM <br /> I .. (see Ordinance 514-78) • <br /> - . ' • <br /> s NZ OP APPLICANT 1201 Associates . <br /> • <br /> I C. "Ness OF APPLICANT . - 11000 Lake City Way N.E-.- . <br /> .......... - . <br /> . ' Seattle. Washington 98125 . . <br /> I . - . . <br /> . .. . . . . • . -..,- <br /> . - <br /> SUBMITTED BY • . . Bar9hausen.-Consuiting Engineers, :InC: <br /> • <br /> __-------- <br /> - . (Agent for Applicant) • - - <br /> I .,::PROPERTY LOMTION ., Everett Mall Plaza . •. . . . . . •. _ . . .. .- <br /> ' , . Everett, Washington <br /> . - —..—: •. . . . .. . <br /> • <br /> ,.., -. •I . <br /> : . . . . . <br /> WRUNG OR SITE: - . ' - ' AREA OP SITE: 13.25 Acres <br /> ,........ <br /> I <br /> AREA; OF CONTRIBUTING .CATCEMENT::. . 43.25 Acres <br /> - - •. . . . -. . _ .. . . <br /> , . <br /> . , . . - - - .- • . • . • <br /> I. N PRE—tigVEIOIRKENT CONDITIONS:: . • . - - . .- .: -- . - - ..• - - : ;• :.• <br /> -I'.. sRunciff Coefficient - : ••. • o.io <br /> . .. . . . •••'....- • • <br /> III C •,•:: Time of Concentration 30.6 • ' I • • . . . . <br /> • . !... . <br /> Xin. • • <br /> 111 i: --.- , <br /> :,.'?. ' tainfall. Intensity • -. 1.05 . .• - in/hr.. <br /> I - Allowable.release rate. t.39 . • • • 1. .s <br /> !7 ' <br /> ; POST,-1).,EVELOPNENT CONDITION: . • • <br /> . . • . . . - • - • -•. . .. . • <br /> . . <br /> . Runoff Coefficient <br /> D• Rc - <br /> ' - <br /> II ;';' 011. Design Storm 25 - yr. <br /> • • <br /> • <br /> 1 MM. =ON STORAGE REQUIRED: 33,872 . <br /> • • c.fee <br /> - • .. . . <br /> oitrexcEz • . <br /> . . <br /> . • <br /> DIAMETER ' 14-0 ' inches • <br /> !, • <br /> I ..; . HEAD - 11.31 feet . . • <br /> • • <br /> mi '.-OUTLET PIPE: - - --- - -- • - . <br /> III :: • DIAMETER 18 inches ' • <br /> - . - • . <br /> ?• - SLOPE • 1.70 feet per hundred feet •• <br /> I . . <br /> . . CAPACITY TA-9 ' cubic feet per second. <br /> RISER:. ' <br /> I . DIAMETER 15 inches • <br /> .. . ' <br /> CAPACITY Is.7 cubic feet per second • <br /> I <br /> / <br /> Il '---- : ,_c2.a--".:•,-;=• <br /> 1 - .7 • <br /> :1-\ 1 ' <br /> — — -. / dMaaterc i 28 1 84Itaeapp icnt — ' <br /> .. . <br /> • <br /> DEPART.RENT OF PURLIC WORKS APPROVAL PLAN NO. • <br /> ION SITE DETENTION #OUIREMENTS: <br /> DRAINAGE PLAN .,,pRov-pn nv_ <br /> I '15 <br />