2023 06 Drainage Statement

Project: Proposed Popeye's & Fast Food Restaurant Computed By: DG Job #: 1021-99-025 Checked By: MB Location: West Orange, NJ Date: 3/30/2023 Drainage Area Impervious Impervious Curve HSG B - HSG B - Curve HSG C - HSG C - Curve Avg. Perv. Total Total Area TC (Min.) Area (acre) Area (sf) Number Open Open Number Open Open Number Curve Pervious (acres) (CN) Used Space Area Space Area (CN) Used Space Area Space Area (CN) Used Number Area (acre) (sf) (acre) (sf) (acres) Study Area Site 0.84 36,782 98 0.07 3,045 61 0.14 5,966 74 70 0.21 1.05 4 Total 0.84 36,782 0.07 3,045 0.14 5,966 0.21 1.05 Per County Soil Survey - URBONB HSG B Soil Urban Land, Boonton substratum, 0 to 8 percent slopes Per County Soil Survey - BouC HSG C Soil Boonton - Urban Land, Boonton substratum complex, 8 to 15 percent slopes Runoff Curve Number (CN) Runoff Curve Number (CN) Description (HSG B) (HSG C) Impervious Surface 98 98 Open Space (lawn) (good) 61 74