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HomeMy WebLinkAboutSW6221007_Design Calculations_20230627 SPOUT SPRINGS SELF STORAGE & MIRACLE MOVERS WAREHOUSE SURFACE AREA AND DEPT REQUIRED FOR MAIN POOL TABLE 1 PIEDMONT AND MOUNTAIN SA/DA TABLE INTERPOLATION Known Lower Percent Impervious: 70 Known Upper Percent Impervious: 80 Known Lower SA/DA: 2.51 Known Upper SA/DA: 2.92 Computed Impervious: 73.00 Unknown Target SA/DA: Min. Surface Area Required for Main Pool Area: SA/DA: 2.63 Drainage Area to SCM: 563,231 sf Min. Surface Area Req'd: 14,830 sf Surface Area Provided: 28,921 sf Main Pool Volume: 99,734 cf Main Pool Surface Area: 28,921 sf Main Pool Ave. Depth: 3.45 If ti HILLIARD ENGINEERING,PLLC •• 3417 WINTERWIND CIRCLE �• SANFORD,NC 27330 2 135':L• = (919)352-2834 = NC LICENSE NO.:P-0836 - 9." ;`‘ • �GINEF0'• OQ •E'•N\\- 5/1/23