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P= 1.00 inch Total Area Existing Imperv Proposed Imperv Existing Disturbed Imperv Reduction AREA (Acres) (Acres) (Acres) Imperv Area (Acres) (Acres) TO ALTERNATIVE PRACTICES 2.13 0.47 1.91 0.47 0% TO AREA REDUCTION SMPS SITE REMAINING AREA 3.55 0.59 1.07 0.35 0% TOTAL SITE 5.68 1.06 2.98 0.82 0% Water Quality Volume Calculation Exist Disturbed Imperv Imperv Area (NEW Percent TOTAL WQV Total Area WQv WQv Adjusted New Development / Redevelopment WQv Treatment % Area (REDEVELOPMENT) DEVELOPMENT) Impervious Rv REQUIRED System Generated Notes (Acres) (ft 3 ) (ft 3 ) (Acres) (Acres) % (ft 3 ) REDEVELOPMENT ALTERNATIVE 75% 0.47 0.47 - 100% 0.95 1,621 1,216 NEW DEVELOPMENT ALTERNATIVE 100% 1.66 - 1.44 87% 0.83 5,006 5,006 8,672 REDEVELOPMENT REMAINING AREA 25% 0.35 0.35 - 100% 0.95 1,207 302 NEW DEVELOPMENT REMAINING AREA 100% 3.20 - 0.48 15% 0.19 2,149 2,149 Minimum Runoff Reduction Volume Calculation Total Impervious Area Added Percent MINIMUM RRv Weighted S AREA (NEW DEVELOPMENT) Soil Group A % Soil Group B % Soil Group C % Soil Group D % Impervious Rv REQUIRED System Generated Notes Factor 3 (Acres) % (ft ) TOTAL SITE 1.92 0% 0% 0% 100% 100% 0.95 0.20 1,324 Page 162 of 359