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_ _ _- - -- - <br />--• DEPARTMENT OF PUBLIC WORKS everctt <br />� � - DRAINAGE PLAN SUBMISSION FOPoN �, <br />see Ordinance 514-78 <br />ry'A,WE ,iF APPLICANT DALLAS OLSOiv ,7g <br />ADDRESS OF APPLICANT F. 0. Box 607 _� <br />. 1�lukilteo, ��lashin�ton � <br />Si;BMITTED SY <br />PROPERTY LOCATIOM <br />J. B. Friel & Co. <br />Lots 31 snd 32, Blocl< 824 <br />Pl.at of F�verett llivision A. <br />ZOYING OF SITE: AREA OF SITE: n.�U :�nres <br />AREA Of CON7RIBUTING CATCHMENT: �•i-11 acres <br />RUNOFF COEFFICIENT: T o ��� . <br />PRE-DE:LLOF �;,. <br />POST DEVELOPMENT - ii-an <br />DESIGN STORM: <br />PRE-DtVEL�""'�""' FREQUENCY 1 in 10 ,years <br />' P05T DEVEL�PM'cNT f�.�QUEN�Y 1 in 10 ,years �, <br />- OURATION 20 minutes <br />�-- INTENSITY 1.3 inches our <br />TOTAI. DESIGN Rt1NOFF FROM SITE: � <br />BEFORE �E�JCL�PMF'�T �jIZ_9______ c. feet: <br />� AFfER DE'lEL�. c. i eet <br />RUNOFF DIFFFREPiTIAI: <br />A�DiTIONAL STOF",SE oUE 'f'0 �..y' 1 IME: <br />DETENTIOY STORAGE PROPOSED: <br />ORIFICE OPENING• <br />�Q c. feet <br />1 _ c. •Feet <br />99•5 c, feet <br />� DIAMETER 2'2' inches <br />DISCHARGE ����� cui:ic feei per secand <br />HEAD .�— Peet <br />OUTLET PIPE: <br />JIAMETER g 9nches - <br />r' SLOPE/ ^�•�r feet per hundred feet <br />�,: <br />�/ -� CAPA�ITY �/j____�'� cul�ic feet per sec:ond _� <br />! %� � / �„ <br />�,��::�, / i� ,– �, <br />; , �, j �., Z�, ��� <br />, <br />Signatuke f applic�nt � - date <br />DEPARTMENT OF PUBLIC WORK5 APPROVN. PLAN N0. <br />QN SITE DE7ENTTON REQUIRFMct�i"S: <br />DRAINAGE PLAN APPROUED RY: <br />fi/iTF: <br />c. feet <br />� <br />�� <br />