Laserfiche WebLink
� <br />Date 6L29/94 <br />CITY OF EVERETT PUBLIC WORKS <br />DRAINAGE CALCULATION SUBMISSION FORM <br />ProjeCt Name: BOYDEN 4 PLEX <br />Project Location: 801 HAWTNORNE STREET <br />Submitted By: R.L. MC DUFFY 6 ASSOCIATES INC. <br />Drainage Basin: COMBINED SEWER/ OUTSIDE DOWNTOWN <br />Pre-Development Design Storm (yr): l0 <br />Post-Development Design Storm (yr): 10 <br />Area of Site (ac): 0.22 AC. <br />Existing Slope of Site (%): lOz <br />r. <br />Existing Ground Cover <br />Woods/Forest (ac): 0 <br />Lawns/Landscaping (ac : Q,�� <br />Earth/Gravel (ac): o <br />Impervious (ac): 0 <br />Existing Run-Off (cfs): 0 11 F�__— <br />per acre 0.51 CFS/"� <br />Proposed Ground Cover <br />Lawns/Landscaping (ac): 0.086 <br />A• �,. Earth/Gravel (ac): 0 <br />in��+fi, y Impervious (ac): 0 138 <br />;� 4 <br />�� D ention Storage Required (cf/ac <br />`,� Lawns/Landscaping (cf/ac): p <br />��p�� Q. Earth/Gravel (cf/ac): 0 <br />�is►t�r�'„a�`' Impervious (cf/ac): 764 <br />E1lPIRES �t/�/�y To al Detention Storage Required <br />Lawns/Landscaping (cf): 0 <br />6�u/ry Earth/Gravel (cf): 0 <br />Impervious (cf): 105 <br />Total Storage Required c: 105�— <br />