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Supporting Documentation · Nov 17, 2022

V3 RESUBMISSION Stormwater Management Report Rev 2 Dated November 3 2022

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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

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68 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 6 DA-4 (Pervious) Hydrograph type = SCS Runoff Peak discharge = 13.41 cfs Storm frequency = 100 yrs Time to peak = 12.15 hrs Time interval = 3 min Hyd. volume = 54,939 cuft Drainage area = 4.840 ac Curve number = 54* Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = User Time of conc. (Tc) = 14.30 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) = [(2.140 x 30) + (1.440 x 70) + (0.360 x 74) + (0.900 x 80)] / 4.840 DA-4 (Pervious) Q (cfs) Q (cfs) Hyd. No. 6 -- 100 Year 14.00 14.00 12.00 12.00 10.00 10.00 8.00 8.00 6.00 6.00 4.00 4.00 2.00

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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. 6

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69 Precipitation Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 6 DA-4 (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. 6 : DA-4 (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

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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

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70 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 7 DA-4 (Impervious) Hydrograph type = SCS Runoff Peak discharge = 7.736 cfs Storm frequency = 100 yrs Time to peak = 12.05 hrs Time interval = 3 min Hyd. volume = 30,946 cuft Drainage area = 1.080 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. 7 -- 100 Year 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. 7

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

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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

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72 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 8 DA-2 Hydrograph type = Combine Peak discharge = 23.34 cfs Storm frequency = 100 yrs Time to peak = 12.10 hrs Time interval = 3 min Hyd. volume = 96,077 cuft Inflow hyds. = 2, 3 Contrib. drain. area = 4.410 ac DA-2 Q (cfs) Q (cfs) Hyd. No. 8 -- 100 Year 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. 2 Hyd No. 3

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73 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 9 DA-3 Hydrograph type = Combine Peak discharge = 35.49 cfs Storm frequency = 100 yrs Time to peak = 12.10 hrs Time interval = 3 min Hyd. volume = 146,069 cuft Inflow hyds. = 4, 5 Contrib. drain. area = 6.940 ac DA-3 Q (cfs) Q (cfs) Hyd. No. 9 -- 100 Year 40.00 40.00 30.00 30.00 20.00 20.00 10.00 10.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 9 Hyd No. 4 Hyd No. 5

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