V3 RESUBMISSION Stormwater Management Report Rev 2 Dated November 3 2022

57 Hydrograph Summary Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Hyd. Hydrograph Peak Time Time to Hyd. Inflow Maximum Total Hydrograph No. type flow interval Peak volume hyd(s) elevation strge used Description (origin) (cfs) (min) (min) (cuft) (ft) (cuft) 1 SCS Runoff 8.166 3 723 32,665 ------ ------ ------ DA-1A (Roof) 2 SCS Runoff 15.09 3 729 61,119 ------ ------ ------ DA-2 (Pervious) 3 SCS Runoff 8.739 3 723 34,957 ------ ------ ------ DA-2 (Impervious) 4 SCS Runoff 26.29 3 729 106,527 ------ ------ ------ DA-3 (Pervious) 5 SCS Runoff 9.885 3 723 39,542 ------ ------ ------ DA-3 (Impervious) 6 SCS Runoff 13.41 3 729 54,939 ------ ------ ------ DA-4 (Pervious) 7 SCS Runoff 7.736 3 723 30,946 ------ ------ ------ DA-4 (Impervious) 8 Combine 23.34 3 726 96,077 2, 3, ------ ------ DA-2 9 Combine 35.49 3 726 146,069 4, 5, ------ ------ DA-3 10 Combine 20.32 3 726 85,885 6, 7, ------ ------ DA-4 11 Reservoir 16.11 3 732 85,884 10 419.98 8,917 Basin #3 12 Reservoir 8.123 3 726 32,664 1 421.71 3,108 Basin #1A 13 Reservoir 31.02 3 729 146,068 9 417.97 13,426 Basin #2 14 SCS Runoff 12.54 3 723 50,144 ------ ------ ------ DA-1B (Roof) 15 Reservoir 12.46 3 726 50,143 14 407.83 4,376 Basin #1B 16 Combine 86.57 3 726 410,835 8, 11, 12, ------ ------ <no description> 13,

Basin #1B 16 Combine 86.57 3 726 410,835 8, 11, 12, ------ ------ <no description> 13, 15 Proposed Conditions.gpw Return Period: 100 Year Wednesday, 11 / 2 / 2022

58 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 1 DA-1A (Roof) Hydrograph type = SCS Runoff Peak discharge = 8.166 cfs Storm frequency = 100 yrs Time to peak = 12.05 hrs Time interval = 3 min Hyd. volume = 32,665 cuft Drainage area = 1.140 ac Curve number = 98 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = User Time of conc. (Tc) = 6.00 min Total precip. = 8.66 in Distribution = Custom Storm duration = S:\Petry Engineering Cad Projects\2019\19 Shape factor 0265 Daughters = 484 of Israel - West Oran DA-1A (Roof) Q (cfs) Q (cfs) Hyd. No. 1 -- 100 Year 10.00 10.00 8.00 8.00 6.00 6.00 4.00 4.00 2.00 2.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 1

59 Precipitation Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 1 DA-1A (Roof) Storm Frequency = 100 yrs Time interval = 3 min Total precip. = 8.6600 in Distribution = Custom Storm duration = S:\Petry Engineering Cad Projects\2019\19 0265 Daughters of Israel - West Ora Incremental Rainfall Precipitation Precip (in) Precip (in) Hyd. No. 1 : DA-1A (Roof) - 100 Year 0.50 0.50 0.45 0.45 0.40 0.40 0.35 0.35 0.30 0.30 0.25 0.25 0.20 0.20 0.15 0.15 0.10 0.10 0.05 0.05 0.00 0.00 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0

0.00 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 Time (hrs) Custom Design Storm -- S:\Petry Engineering Cad Projects\2019\19 0265 Daughters of Israel - West Orange\Civil\Cur

60 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 2 DA-2 (Pervious) Hydrograph type = SCS Runoff Peak discharge = 15.09 cfs Storm frequency = 100 yrs Time to peak = 12.15 hrs Time interval = 3 min Hyd. volume = 61,119 cuft Drainage area = 3.190 ac Curve number = 72* Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = User Time of conc. (Tc) = 10.10 min Total precip. = 8.66 in Distribution = Custom Storm duration = S:\Petry Engineering Cad Projects\2019\19 Shape factor 0265 Daughters = 484 of Israel - West Oran * Composite (Area/CN) = [(0.450 x 30) + (0.100 x 77) + (0.150 x 70) + (2.490 x 80)] / 3.190 DA-2 (Pervious) Q (cfs) Q (cfs) Hyd. No. 2 -- 100 Year 18.00 18.00 15.00 15.00 12.00 12.00 9.00 9.00 6.00 6.00 3.00 3.00 0.00

6.00 3.00 3.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 2

61 Precipitation Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 2 DA-2 (Pervious) Storm Frequency = 100 yrs Time interval = 3 min Total precip. = 8.6600 in Distribution = Custom Storm duration = S:\Petry Engineering Cad Projects\2019\19 0265 Daughters of Israel - West Ora Incremental Rainfall Precipitation Precip (in) Precip (in) Hyd. No. 2 : DA-2 (Pervious) - 100 Year 0.50 0.50 0.45 0.45 0.40 0.40 0.35 0.35 0.30 0.30 0.25 0.25 0.20 0.20 0.15 0.15 0.10 0.10 0.05 0.05 0.00 0.00 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0

0.00 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 Time (hrs) Custom Design Storm -- S:\Petry Engineering Cad Projects\2019\19 0265 Daughters of Israel - West Orange\Civil\Cur

62 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 3 DA-2 (Impervious) Hydrograph type = SCS Runoff Peak discharge = 8.739 cfs Storm frequency = 100 yrs Time to peak = 12.05 hrs Time interval = 3 min Hyd. volume = 34,957 cuft Drainage area = 1.220 ac Curve number = 98 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = User Time of conc. (Tc) = 6.00 min Total precip. = 8.66 in Distribution = Custom Storm duration = S:\Petry Engineering Cad Projects\2019\19 Shape factor 0265 Daughters = 484 of Israel - West Oran DA-2 (Impervious) Q (cfs) Q (cfs) Hyd. No. 3 -- 100 Year 10.00 10.00 8.00 8.00 6.00 6.00 4.00 4.00 2.00 2.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd