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��� <br /> � � x <br /> Q �' <br /> ayti . <br /> C <br /> H � � <br /> k c] <br /> � � <br /> '0 y '� <br /> CI7Y �F EVERETT PUBLIC WC�2KS <br /> DRAINAGE CALCIlATION SUBMIt�ION F��M <br /> � <br /> z <br /> o� r� Date Mey 3�..,_ <br /> � t�a O pTO�ECt Nal�: All City Credlt Union <br /> �i!� � <br /> �y� Pro�ect Location: 3102 Sroadvay <br /> g y H Sutxnitted By: C. Sha�✓n 0'Drien <br /> c� C y <br /> ��y Drainage 8asin: Combined Seaer (Outside of Downtown) _ <br /> HOtn 10 <br /> Pre-Development Design Storm (yr) : <br /> Post-Developrnent Design Storm (yr)c ____10_.....__—�---- <br /> Area of Site (ac): 0.63 , <br /> Existing Slope of Site (%): 5.0 <br /> Existing Ground Cover � <br /> Woods/Forest (ac): <br /> Lawns/Landscaping (ac : �_ -- <br /> �- � � � Earth/Gravel (ac): <br /> I {��� Impervious (ac): �� <br /> ` <br /> � 0.648 efs <br /> = 1.03 — <br /> 1 ! <br /> Existing Run-Off �i�: (.41(.1)+.86(.25)+1.4(.28))= 0.648 0.6 a <br /> I ,__ <br /> L� <br /> Proposed Ground Cover N�A� <br /> Lawns/.andscaping (ec): <br /> Earth/Gravel (ac): <br /> I +.,,,� Impervious (ac): <br /> ------'--- <br /> � Detentio� Storage Required (cf/ac) None <br /> ��.� Lawns/Lantlscaping (cf/ac): -- <br /> ' Earth/Gravel (cf/ac): <br /> Impervious (cf/ac): <br /> , (��' �______� - <br /> w� <br /> Total Detention Storage Required <br /> Lawns/Lantlscaping (cf): <br /> Earth/Gravel (cl'): <br /> ��l Impervious (cf): <br /> Total Storage Required c : _ <br /> ------- , ... <br /> , <br /> L���.�, i ;- /'; ,: . <br />