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' � 1 <br /> <<� Niarvin C. Haglund, Director of Systems Development <br /> ���oM Clair Olivers, Asaociate �ngineer <br /> t�� E <br /> ���*t July 12. 1979 <br /> si�ru�c� PROPOSED DNS FOR I3USIN�SS PARKON �.n� ur � u��� �� i�incrt wns��iNcror� <br /> CASINO AT '.PORT ItOAD fN 128) <br /> WATER: <br /> Thcre ie an 8'� C.I. main on Casino Road and a 16" main on Airport Road with a <br /> etalic Nreseure of aUout 60 psi at the hydrant at 2600 - BBth S.W. Provision of <br /> ad�quatc fire protection to thia site will moat l:kely require connections to the <br /> maind on both Airport Road and 86th with a syatem looped through the sitc. This <br /> aite ie within the Mukilteo Water District's service area even though it is ineide <br /> the City; aprlication for water service must be made to the Mukilteo Water District. <br /> S�W�R: <br /> There ie an 8" main on S6th. This site is within both the Lift Station H28 and the <br /> South End Interceptor benefit area participation in tlie cost of these capacity im- <br /> provements will be neceaeary. <br /> DRAINAGE: <br /> This site draine to Powder Mill Gulch to the North. On-eite detention will be re- <br /> quired with the post-developmenl peak diac'iarge for a 25-year deaign storm at or <br /> below that for a pre-development 10-ycar deaign storm. Provision for oil separa- <br /> tion should be rr�ade. Surfacc water muat be received and diacharged at the naturally- <br /> occurring locatione. A plan to control erosion must be approved prior to commenc- <br /> ing eite preparation. <br /> cc: Herb IIouahey <br /> Celia Strong �� � �d���/ <br /> �� <br /> � � �v�"i ` / <br /> c' <br />