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CSTY OF EVEl�ETT PUBLIC MOfiKS <br /> DRAINAGE CALCULATION SUBMISSION FOFiM <br /> oste ,17-z6-,89 . <br /> Pm�ect Name: CFn.00r.�c,�. .�r5. �1�'.'EST siQE <br /> Pro�ect Location: _1908 W C�tiND �tD_ <br /> Submitted By: TREP/�N/E� �WN��/� <br /> Drainage Basin: � � /.1F� M//1. G�GGN <br /> Pre-Development Desiqn Storm (yr) : Z <br /> PostLOevelopment Desigr. -�:m (Yr�� ZS � <br /> � Area of Site (ac) : __r__.1?,���$ , <br /> � � Existing Slope of Site (X): 8 °6 �'r/-� <br /> ��- . . . <br /> Existing Ground Cover , <br /> . h'oot7s/Forest (ac): <br /> Lawns/Lan�sc�ping (zc : 0.7B . , <br /> Earth/G:avel (�c): <br /> • Impervious (Ec): . . <br /> Existing Run-Off (cfs) : D.// �C O./3 usE_O•/3 <br /> Proposed Ground Cover O./B , <br /> Lawns/Lzndscaping (ac) : • <br /> Earth/Gravel (ac): � ' . . <br /> , Impervious (a�)� d•�� <br /> Detention Sto:age P.eGuired (�f�cf/ac): 736 <br /> Lawns/Landscaping ( <br /> Earth/Gravel (cf/ac): _o . . <br /> . Impervious (cf/ac)� <br /> Total Detention Storage Re�uired <br /> , Lawns/Lanascaping (ct): l3 2 <br /> Earth/Gravel (cf): <br /> Impefvious (cf): '�, D <br /> Total Storage Required c `� <br /> ' - FE8 27 1990 <br /> /. S��E Yo�vM�s-D�C <br /> ...._. ............... ... <br /> _ ...... <br /> 1• ^+�� 'P���'e � CITY OF EVERETT <br /> ,,�, �/,3.5.2 -- � �,�- Public Works Dept. <br /> y.l.9. / — � �7.�p <br /> 5;3.p5 — . <br />