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f- � 7!�r <br /> CITY OF EVERETT � <br /> � , � DEPARTMENT OF PUBLIC WORK.S e�eret. <br /> � DRAINAGE PLAN SUBMISSION fORM � <br /> see Ordinance 514-78 <br /> NAME OF APPLICANT Ricnard Narris �C,diSeC� tI2/� <br /> ADDRESS OF APPLICANT °�O Wight-Hardt & McDuf. ; <br /> F17 Medical DPntal Buildinq <br /> � F arait WA 98201 <br /> SUBMITTED 8Y Wi ht-Hardt & flcDuffy <br /> PROPERTY LOCATION Hardeson Road and Highway 526 �verpass � <br /> Lot 1 of Rob:;rt raser or a <br /> ZONING OF SITE: ft'3 AREA OF SITE: 0.37 including access road <br /> AREA OF CONTRIBUTING CATCHMENT: -�- <br /> RUNOFF COEfFICI[NT: p,20 <br /> PRE-DEVELOPMENT �, <br /> POST DEVELOPMENT <br /> DESIGN S'fORM: 1 in 10 years <br /> PRE-DEVELOPMENT FREQUENCY 1 in years <br /> POST DEYELOPMENT FREQUENCY 20 minutes <br /> DURATION 10 y�ar �1 3" in/hr <br /> INTENSITY ZS year, 1.6" in/hr <br /> TOTAL DESIGN RUNOFF FROM SITE: <br /> BEFORE DEVELQPME'IT 501 c. feet <br /> RFfER DEVELfiPMENT <br /> RUNOFF DIFFERENTIAL: ��5 c, feet <br /> ADDITIONAL STORAGE DUE TO LA� TIME: 39 c. feet <br /> DETENTION STORAGE PRGPOSEO: 424 �c. feet <br /> ORIFICE OPENING: pEGEIyE�� <br /> DTAMETER 2.00 inchas t <br /> DISCHARGE �•25 cubic feet per secon crtY �;,�,�.,_,..,� <br /> HEAD <br /> 3 .4 Peet P"' <br /> OUTLET PIPE: e inches <br /> DIAME?ER ,AH B 19� <br /> SLOPE � feet per hundred feet � 2 <br /> CAPACITY �• 93 _ cubic feet per second <br /> Signa— ture o� app icant date <br /> DEPARTMENT OF PUBLIC WORKS APPROVAL PLAN N0. , <br /> ON SITE DETEMTION REQUIREMENTS: —c. feet <br /> pRAINAGE PLAN APPROVED 8Y: DATE: <br /> (�GLG':-°""`i'""" � K� �4�'�'- /2¢r�a <br /> -1- . . <br /> � . /�-"`�`sx �� Y� ','�s✓ � <br /> I <br /> i <br /> __ � <br />