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�- <br /> . D � � [� � d � O <br /> UBLIC WORKS r D <br /> P � <br /> CITY OF EVEFtETT ,,EP ? 9 1999 <br /> DRAINAGE CALCULATION SUBMISSION FORM <br /> 6/10/99 CITY OF E�'ERETT <br /> Date Permit SnrviCas <br /> Pro,ject Name: Farnhart Parkin Lot <br /> Project Location: 2609 Wetmore <br /> Sut�mitted By: <br /> Drainage Basin: �bined sewer outside downtown <br /> Pre-Development Design Storm (yr) : 10 <br /> Post-Development Design Stonn (yr): 10 <br /> Area of Site (ac): .344 acres <br /> Existing Slope of Site (%): Zi< <br /> Existing Ground Caver <br /> Woods/Forest (ac): <br /> Lawns/Landscaping (ac : 0 11 <br /> Earth/Gravel (ac): 0 3� <br /> Impervious (ac): <br /> Existing Run-Off (cPs) : 0.59 <br /> per acre , <br /> Proposed Ground Cover � <br /> Lawns/Landscaping (ac): 0.02 acr�s <br /> Earth/Gravel (ac): <br /> Imperviaus Ea�): 4 <br /> Detention Storage Required (cf/ac) <br /> Lawns/LanCscaping (cf/ac) : N�A <br /> Earth/Gravel (cf/ac): <br /> � Impervicus (cf/ac) : 4 4 <br /> Total Detention Storage Required <br /> Lawns/Landscaping (cf) : N/A <br /> Earth/Gravel (cf): <br /> Impervious (cf): <br /> Total Storage Required c 157 <br />