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� • ' DRAINAGE PLAN SUBMISSION FORM. <br />(see Ordinance 514-78) � • . <br />NP.M..: OF APPLICANT HAGGENS,'INC. • • • <br />T,I�!:�.�.ESS OF APPLICANT P•O. Box 489, Bellingham; Washington 98227 • , <br />�"'` <br />SiJSMITTED BY. .•. BARGHAUSEN CONSULTING ENGINEER5, INC. ' ' <br />• .' gent or t e pp �can . • . :. <br />PROPERTY LOCATION Everett Mall Pdaza " ' • ' • ' • - • . <br />, Everett, Washinqton • ' ' ' � <br />ZONZI3G OF SITE: ' ' � ' AREA� OF, SITE: �0:0 acres • = • , � <br />ARF.A OF „CONTRIBUTXNG .CATCFIMENT:� .10. 00 acres . • ' • ' ' - • . • • • �• • • , <br />PRF.-DEVELOPMENT CaNDITIONS: • . ` : •-, , ;::'�•...,'.'• . �•.• :' ':;: :•: <br />' Runoff Cnefficient •� • o. t0 ' � . • � • <br />T�me of Concentration ' Z4 Z Min. •• .. <br />. Rainfall.Intensity ., 1.1� . . � . � ;.�•`'in/hr.. <br />• ' . �.All.owable. release. rate• '�' � t: ti �. . . `c�s: •;' <br />, . .. _ <br />POST-DEVELOPMENT.CONDITION:.�' ' . �'� ;'� ' ' <br />RunoEf Coefficient . . 0.82' ' ' ' • <br />� Design. Storm � . 25 " yr. , : � - • • ' • ' ' ' . <br />DETENTION STORAGE REQUIREDs z3,878 � .' '. c.fee <br />ORIFZCE: ' . . , .. . • . �. • . . ' � ' ' . <br />a <br />OUTLE2''PIPE: <br />, ' . <br />RxSER: <br />� DIAMETER ' 3. 90 inches .. . ' <br />�� • � 6.34 �� £eet. .. <br />• AIAMETER 1 S inches ' . .. . . <br />. 'SLOPE �•0 ieet per hundred feet <br />� CAPACITY 17.4 • cubic feet per second'. <br />i�` . � • . <br />s � • <br />� DIAMETER 15 inches � <br />;�; CAPACTTX ' 15 �7 � cubic��feet per se <br />'' 7 r � , � �."� ' � ^ s . . , � i: <br />.'-i � � � •1 �' ?, ' �tir -`a.�, � . <br />y. •�i49� - .�.•�.':' � nl�.L 'tl-n o�4 iq ite rr.�, �tril�d:�..'I <br />_< i � :i' . :� � � /� '; � , .� <br />_��� � �-- . ��,^, .QcYob;er 14, ]:983,.,; <br />� S� �nature of �a� 1 � <br />.. ,....:,, ,. :. <br />PP i nt � - date :. �. <br />� •� . .. , <br />.DEPARTbIENT POF ppgY,zC WORKS .APPROVAL '.PLAN NO. • <br />ON SITE DETENTION �QUIREMENTS- � . <br />DRAINAGE PLAN APPROVED BX: DATS: '' <br />