PB 22 10 Altera 769 LLC Filed Application with Exhibits Final Site Plan Phase 2

NOTES: Project: Altera Computed By: SDP 1) Design method used is Rational Method, unless otherwise noted. Job #: 2530-99-006 Checked By: RJC 2) Refer to Weighted Runoff Coefficient table Location: West Orange, NJ Date: 6/20/2022 for calculation of incremental areas and C values Design Storm: 25 SUBCATCHMENT TIME OF PIPE SECTION INCREMENTAL CUMULATIVE I PEAK RUNOFF PIPING INPUT PIPING DATA AREA CONCENTRATION Tc to Tc in Q cum. Pipe Pipe Final Tc Q to Inlet Dia. Length Man. Slope FROM TO Area (Acres) "C" A x C Ac A x C (acres) Inlet Pipe (In/Hr) for Pipe Capacity Velocity (min) (CFS) (In) (Ft) "n" (ft/ft) (min) (min.) (CFS) (cfs) (fps) Inlet #300 Inlet #301 0.36 0.86 0.31 0.31 6.00 0.02 6.00 7.70 2.39 2.39 18 13.0 0.012 0.0200 16.09 9.11 Inlet #200 Manhole #201 0.23 0.68 0.16 0.16 6.00 0.13 6.00 7.70 1.23 1.23 18 49.0 0.012 0.0100 11.38 6.44 Inlet #103 AG

#201 0.23 0.68 0.16 0.16 6.00 0.13 6.00 7.70 1.23 1.23 18 49.0 0.012 0.0100 11.38 6.44 Inlet #103 AG Basin 0.53 0.60 0.32 0.32 13.30 0.02 13.30 6.08 1.95 1.95 18 12.0 0.012 0.0200 16.09 9.11 Inlet #105 AG Basin 0.43 0.82 0.35 1.15 14.70 0.03 19.38 4.88 1.71 5.61 18 14.0 0.012 0.0200 16.09 9.11 Inlet #107 Inlet #105 0.02 0.35 0.01 0.80 6.00 0.08 19.30 4.88 0.05 3.90 18 44.0 0.012 0.0200 16.09 9.11 Inlet #108 Inlet #107 0.04 0.35 0.01 0.79 6.00 0.25 19.05 4.88 0.05 3.86 18 134.0 0.012 0.0200 16.09 9.11 Inlet #109 Inlet #108 0.55 0.73 0.40 0.40 13.30 0.01 13.30 6.08 2.43 2.43 18 7.0 0.012 0.0200 16.09 9.11 Inlet #110 Inlet #108 0.44 0.35 0.15 0.38 18.80 0.25 18.80 4.97 0.75 1.89 18 134.0 0.012 0.0200 16.09 9.11 Inlet #111 Inlet #110 0.25 0.92 0.23 0.23 6.00 0.01 6.00 7.70 1.77 1.77 18 8.0 0.012 0.0200 16.09 9.11