V4 11 Stormwater Report Rev 3 1 26 2023

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

78 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 7 DA-3 (Pervious) Hydrograph type = SCS Runoff Peak discharge = 9.775 cfs Storm frequency = 100 yrs Time to peak = 12.15 hrs Time interval = 3 min Hyd. volume = 39,276 cuft Drainage area = 2.440 ac Curve number = 65* Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = User Time of conc. (Tc) = 10.50 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) = [(0.890 x 80) + (0.210 x 74) + (0.550 x 30) + (0.760 x 70) + (0.030 x 77)] / 2.440 DA-3 (Pervious) Q (cfs) Q (cfs) Hyd. No. 7 -- 100 Year 10.00 10.00 8.00 8.00 6.00 6.00 4.00 4.00 2.00 2.00 0.00

2.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 7

79 Precipitation Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 7 DA-3 (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. 7 : DA-3 (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

80 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 8 DA-3 Hydrograph type = Combine Peak discharge = 24.15 cfs Storm frequency = 100 yrs Time to peak = 12.10 hrs Time interval = 3 min Hyd. volume = 99,448 cuft Inflow hyds. = 6, 7 Contrib. drain. area = 4.540 ac DA-3 Q (cfs) Q (cfs) Hyd. No. 8 -- 100 Year 28.00 28.00 24.00 24.00 20.00 20.00 16.00 16.00 12.00 12.00 8.00 8.00 4.00 4.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 8 Hyd No. 6 Hyd No. 7

81 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 9 DA-4 (Impervious) Hydrograph type = SCS Runoff Peak discharge = 0.215 cfs Storm frequency = 100 yrs Time to peak = 12.05 hrs Time interval = 3 min Hyd. volume = 860 cuft Drainage area = 0.030 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-4 (Impervious) Q (cfs) Q (cfs) Hyd. No. 9 -- 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

0.20 0.15 0.15 0.10 0.10 0.05 0.05 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 9

82 Precipitation Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 9 DA-4 (Impervious) 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. 9 : DA-4 (Impervious) - 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