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• ` DEPARTMENT OF PUBLIC WORKS <br /> everen <br /> DRAINAGE PLAN SUBMISSION FORM � <br /> see Ordinance 514-78 <br /> NAME OF APPLICANT City Construction Company, Inc. <br /> ADDRESS OF APP�ICANT z1931 ?rr+ Jr. S.E. <br /> Bothell . WA q8011 <br /> SUBMITTED BY Larrv Bramhall <br /> PROPERTY LOCATION _, ' <br /> ZONING OF SITE:_ AREA OF SITE: <br /> AREA OF CONTRTBUTING CATCHME,IT: 1•13 Acres <br /> RUNOFF COEFFICIENT: <br /> PRE-DEVELOPMENT �•21 <br /> POST DEVELOPMENT 0. 74 <br /> DESIGN STORM: <br /> PRE-DEVELOPMENT FREQUEVCY 5 Years <br /> POST DEVELOPMENT FREQUENCY 25 Years <br /> DURATION 20 Minutes <br /> INTENSITY 1.58 <br /> TOTAL �ESIGN Rt1NOfF FROM SITE: <br /> BEFORE DEVELOPME'!T 410 c. feet <br /> A��P. DEVELCPMENT 1585 c. feet <br /> RUNOFF DIFFERENTIAL: 1175 � <br /> c. feet <br /> ADDIT:ONAL STORAGE DUE TO LAG TIME: 25 <br /> c. feet <br /> DETENTION STORAGE PROPOSED: 1200 <br /> c. feet <br /> OP,IFICE OPENING: <br /> DIA�dETER 2.66 inches <br /> CISCHARGE �•34 cubic fzet per second <br /> HEAD 3. 15 feet <br /> OUTLET PIPE: <br /> DIAMETER 12 inches <br /> SLOPE �•6� feet per hundred feet <br /> CAPACITY 2•�� cubic feet per second <br /> 5ignature or" applicant date <br /> DEPARTMENT OF PUB�IC WORKS APPROVAL PLAN �'0. <br /> ON SITE �ETE�ITION REQUiREhtENTS: <br /> c. reet <br /> DRAINAGE PLAN APPRO�JED BY: DA7�: <br /> �� �`%��:-�'� <br /> ;- �- �`,��/"� �� ���-c - ,���; <br />