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r <br />r <br />�o r���od��' <br />F�� i5 �ga4 <br />............................... _ <br />C�TM �f Erks D F� <br />DEPIIRTMENT OF PUBLIC WORKS <br />DRAINAGB PLAN SUBMISSIOtd FORM <br />(see Ordinance 519-78) <br />p4t1Q'AME OF APPLICANT Chuck Burgess <br />ADDRESS OF APPLICANT 2800 Rainier Hank <br />1301 Fifth Ave., Seattle, Wa. 98101 <br />SUBMITTED BY <br />PROPERTY LOCATION <br />Atelie 2 / Architects, AIA <br />Iiewitt <br />Everett, Wa. <br />20NING OF SITE: C-2 <br />AREA OF SITE: 15,000 SF <br />AREA OF CONTRIBUTING CATCHMENT: 15�000 SF <br />PRE-DEVELOPMENT CONDITIONS: <br />Run-off coefficient: .86 <br />Time of Concentration: 10.5 minutes <br />Rainfall intensity: ?-.8 in./hr. <br />Allowable Release Rate: .53 cfs <br />POST-DEVELOPMENT CONDITION: <br />Run-off Coe£ficient: .79 <br />Design Storm: 25 yr. <br />DETENTION STORAGE REQUIR�D: <br />ORFICE: Diameter: 3.5 inches <br />Head: 2 feet <br />OUTLET PIPE: Diameter: 6 inches <br />Slope: 2.5 feet per hundred feet <br />Capacity: 1.0 cubic feet per second <br />RISER: Diameter: 6 inches <br />Capacity: ]..D cfs <br />: <br />Signature of Applicant Date <br />DEPARTMENT OF PUHLIC WORKS IiPPPOVAL PLAN N0. <br />ON-SITE DETENTION REQUIREAIENT: <br />� <br />DRAINAGE PLAN APPROVF.D BY: <br />pate <br />cf <br />cf <br />"' <br />.1. <br />�1 <br />.. ,■ <br />