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� <br /> . �, ' 417'� Ut' EVERETT <br /> ` DEPAR7.`MENT OF PUBLIC j90RKS • <br /> .1 <br /> DRAINAGE PLJ�N SUBMISSION FORDS <br /> (see Ordinance 514-78) <br /> NAN1E OF APPLICl,NT Dujardir Custom Hones� Inc. <br /> ADDRESS OF APPLICANT Dujardin Cus[om Homes, Inc. <br /> 9673 32nd St SE ' <br /> Everett, WA 98205 <br /> SUIIMITTED BY Cascade Surveying S Engineering, Inc. <br /> PROPERTY I,OCATION SE Z. SE �r, 5ectiot: 13, Township.28 North, Range 5 East, - <br /> W.M. , Lots 1-5 10 F 11, Block 9 Intercitv Addition <br /> ' Division No. 1 � � <br /> ZONING OF SITE: pRD-Rl AREA OF SITEc 3.79 acros <br /> AREA OF CONTRIBUTING .CATCHMENT: <br /> PRE-DEVELOPMENT CONDITIONS: <br /> Runoff Coefficient 0.05 <br /> Time of Concentration 28.46 Min. ' <br /> Rainfall Intensit}> 1.0& ' in/hr <br /> Allowable. release rate �•2o cfs <br /> POST-DEVELOPMENT CGNDITIONc <br /> Runoff Coef.ficient o.41 <br /> Design Storm 25 yr_ <br /> DETENTION STORAGE REQUIRED: 4,600 c.fei <br /> ORIFICE: � <br /> DII�MEETER 2 inches <br /> �� - 5.68 Eeet <br /> OUTI,ET PIPE: <br /> DIAMEmER 15 inches <br /> SLOPE 0.0050 ieet per hundred feet <br /> CAPACITY 4.95 cubic feet per second , <br /> RISER: <br /> DIAMETER 15 inches <br /> CAPACITY 4.95 cubic feet per second <br /> Signature of applicant date <br /> DEPARTMENT OF PUBLIC WORKS APPROVAL PLA.N NO. <br /> ON SITE DETENTION REQUIREMENTS: c.feet <br /> DRAZNAGE PLAN I�ppROVED HY: DATE: � <br />