2022 10 Drainage Statement Signed

NOTES: Project: Proposed Popeyes & Fast Food Restaurant Computed By: DG 1) Design method used is Rational Method, unless otherwise noted. Job #: 1021-99-025 Checked By: MB 2) Refer to Weighted Runoff Coefficient table Location: West Orange, NJ Date: 10/21/2022 for calculation of incremental areas and C values Design Storm: 25 Year SUBCATCHMENT TIME OF PIPE SECTION INCREMENTAL CUMULATIVE I PEAK RUNOFF PIPING INPUT PIPING DATA AREA CONCENTRATION Tc to Tc in Final Q to Q cum. Pipe Pipe Dia. Length Man. Slope FROM TO Area (Acres) "C" A x C Ac A x C (acres) Inlet Pipe Tc (In/Hr) Inlet for Pipe Capacity Velocity (In) (Ft) "n" (ft/ft) (min) (min.) (min) (CFS) (CFS) (cfs) (fps) Inlet 1 Inlet 2 0.26 0.83 0.22 0.22 10.00 0.04 10.00 6.80 1.50 1.50 12 27.0 0.013 0.0721 9.56 12.18 Inlet 2 Inlet 3 0.14 0.78 0.11 0.33 10.00 0.30 10.04 6.80 0.75 2.24 12 93.0 0.013 0.0127 4.01 5.11 Inlet 3 Inlet Existing A 0.17 0.78

0.11 0.33 10.00 0.30 10.04 6.80 0.75 2.24 12 93.0 0.013 0.0127 4.01 5.11 Inlet 3 Inlet Existing A 0.17 0.78 0.13 0.46 10.00 0.41 10.34 6.80 0.88 3.13 12 138.0 0.013 0.0151 4.38 5.58 Inlet 15 Inlet Existing A 0.27 0.86 0.23 0.23 10.00 0.10 10.00 6.80 1.56 1.56 12 50.0 0.013 0.0346 6.62 8.43 Inlet Existing A Inlet Rosney ROW 0.05 0.35 0.02 0.71 10.00 0.02 10.75 6.68 0.13 4.74 12 21.0 0.013 0.1386 13.26 16.89