240916_40 ERW Stormwater Report FULL

NJ DEP 2-hr WQ Rainfall=1.25"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 230HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Hydrograph for Subcatchment PR 3 - P: Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 1.00 0.63 0.00 0.00 2.00 1.25 0.07 0.01 3.00 1.25 0.07 0.00 4.00 1.25 0.07 0.00 5.00 1.25 0.07 0.00 6.00 1.25 0.07 0.00 7.00 1.25 0.07 0.00 8.00 1.25 0.07 0.00 9.00 1.25 0.07 0.00 10.00 1.25 0.07 0.00 11.00 1.25 0.07 0.00 12.00 1.25 0.07 0.00 13.00 1.25 0.07 0.00 14.00 1.25 0.07 0.00 15.00 1.25 0.07 0.00 16.00 1.25 0.07 0.00 17.00 1.25 0.07 0.00 18.00 1.25 0.07 0.00 19.00 1.25 0.07 0.00 20.00 1.25 0.07 0.00 21.00 1.25 0.07 0.00 22.00 1.25 0.07 0.00 23.00 1.25 0.07 0.00 24.00 1.25 0.07 0.00 25.00 1.25 0.07 0.00 26.00 1.25 0.07 0.00 27.00 1.25 0.07 0.00 28.00 1.25 0.07 0.00 29.00 1.25 0.07 0.00 30.00 1.25 0.07 0.00 31.00 1.25 0.07 0.00 32.00 1.25 0.07 0.00 33.00 1.25 0.07 0.00 34.00 1.25 0.07 0.00 35.00 1.25 0.07 0.00 36.00 1.25 0.07 0.00 37.00 1.25 0.07 0.00 38.00 1.25 0.07 0.00 39.00 1.25 0.07 0.00 40.00 1.25 0.07 0.00 41.00 1.25 0.07 0.00 42.00 1.25 0.07 0.00 43.00 1.25 0.07 0.00 44.00 1.25 0.07 0.00 45.00 1.25 0.07 0.00 46.00 1.25 0.07 0.00 47.00 1.25 0.07 0.00 48.00 1.25 0.07 0.00 49.00 1.25 0.07 0.00 50.00 1.25 0.07 0.00 51.00 1.25 0.07 0.00 52.00 1.25 0.07 0.00 53.00 1.25 0.07 0.00 54.00 1.25 0.07 0.00 55.00 1.25 0.07 0.00 56.00 1.25 0.07 0.00 57.00 1.25 0.07 0.00 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 58.00 1.25 0.07 0.00 59.00 1.25 0.07 0.00 60.00 1.25 0.07 0.00 61.00 1.25 0.07 0.00 62.00 1.25 0.07 0.00 63.00 1.25 0.07 0.00 64.00 1.25 0.07 0.00 65.00 1.25 0.07 0.00 66.00 1.25 0.07 0.00 67.00 1.25 0.07 0.00 68.00 1.25 0.07 0.00 69.00 1.25 0.07 0.00 70.00 1.25 0.07 0.00 71.00 1.25 0.07 0.00 72.00 1.25 0.07 0.00 This document was created by an application that isn’t licensed to use novaPDF. Purchase a license to generate PDF files without this notice.

NJ DEP 2-hr WQ Rainfall=1.25"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 231HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Summary for Subcatchment PR-2B-I: Runoff = 0.62 cfs @ 1.03 hrs, Volume= 0.017 af, Depth= 1.03" Routed to Pond 11P : Existing Drywell System Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs NJ DEP 2-hr WQ Rainfall=1.25" Area (sf) CN Description 8,642 98 Paved parking, HSG C 8,642 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.1 75 0.0140 1.17 Sheet Flow, Smooth surfaces n= 0.011 P2= 3.44" Subcatchment PR-2B-I: Runoff Hydrograph Time (hours) 727068666462605856545250484644424038363432302826242220181614121086420 Flow (cfs) 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 NJ DEP 2-hr WQ Rainfall=1.25" Runoff Area=8,642 sf Runoff Volume=0.017 af Runoff Depth=1.03" Flow Length=75' Slope=0.0140 '/' Tc=1.1 min CN=98 0.62 cfs This document was created by an application that isn’t licensed to use novaPDF. Purchase a license to generate PDF files without this notice.

NJ DEP 2-hr WQ Rainfall=1.25"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 232HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Hydrograph for Subcatchment PR-2B-I: Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 1.00 0.63 0.43 0.59 2.00 1.25 1.03 0.02 3.00 1.25 1.03 0.00 4.00 1.25 1.03 0.00 5.00 1.25 1.03 0.00 6.00 1.25 1.03 0.00 7.00 1.25 1.03 0.00 8.00 1.25 1.03 0.00 9.00 1.25 1.03 0.00 10.00 1.25 1.03 0.00 11.00 1.25 1.03 0.00 12.00 1.25 1.03 0.00 13.00 1.25 1.03 0.00 14.00 1.25 1.03 0.00 15.00 1.25 1.03 0.00 16.00 1.25 1.03 0.00 17.00 1.25 1.03 0.00 18.00 1.25 1.03 0.00 19.00 1.25 1.03 0.00 20.00 1.25 1.03 0.00 21.00 1.25 1.03 0.00 22.00 1.25 1.03 0.00 23.00 1.25 1.03 0.00 24.00 1.25 1.03 0.00 25.00 1.25 1.03 0.00 26.00 1.25 1.03 0.00 27.00 1.25 1.03 0.00 28.00 1.25 1.03 0.00 29.00 1.25 1.03 0.00 30.00 1.25 1.03 0.00 31.00 1.25 1.03 0.00 32.00 1.25 1.03 0.00 33.00 1.25 1.03 0.00 34.00 1.25 1.03 0.00 35.00 1.25 1.03 0.00 36.00 1.25 1.03 0.00 37.00 1.25 1.03 0.00 38.00 1.25 1.03 0.00 39.00 1.25 1.03 0.00 40.00 1.25 1.03 0.00 41.00 1.25 1.03 0.00 42.00 1.25 1.03 0.00 43.00 1.25 1.03 0.00 44.00 1.25 1.03 0.00 45.00 1.25 1.03 0.00 46.00 1.25 1.03 0.00 47.00 1.25 1.03 0.00 48.00 1.25 1.03 0.00 49.00 1.25 1.03 0.00 50.00 1.25 1.03 0.00 51.00 1.25 1.03 0.00 52.00 1.25 1.03 0.00 53.00 1.25 1.03 0.00 54.00 1.25 1.03 0.00 55.00 1.25 1.03 0.00 56.00 1.25 1.03 0.00 57.00 1.25 1.03 0.00 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 58.00 1.25 1.03 0.00 59.00 1.25 1.03 0.00 60.00 1.25 1.03 0.00 61.00 1.25 1.03 0.00 62.00 1.25 1.03 0.00 63.00 1.25 1.03 0.00 64.00 1.25 1.03 0.00 65.00 1.25 1.03 0.00 66.00 1.25 1.03 0.00 67.00 1.25 1.03 0.00 68.00 1.25 1.03 0.00 69.00 1.25 1.03 0.00 70.00 1.25 1.03 0.00 71.00 1.25 1.03 0.00 72.00 1.25 1.03 0.00 This document was created by an application that isn’t licensed to use novaPDF. Purchase a license to generate PDF files without this notice.

NJ DEP 2-hr WQ Rainfall=1.25"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 233HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Summary for Subcatchment PR-2B-P: Runoff = 0.00 cfs @ 1.23 hrs, Volume= 0.000 af, Depth= 0.07" Routed to Pond 11P : Existing Drywell System Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs NJ DEP 2-hr WQ Rainfall=1.25" Area (sf) CN Description 1,446 74 >75% Grass cover, Good, HSG C 1,446 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.5 69 0.0170 0.15 Sheet Flow, Grass: Short n= 0.150 P2= 3.44" 0.4 31 0.0220 1.17 Sheet Flow, Smooth surfaces n= 0.011 P2= 3.44" 0.1 14 0.0180 2.72 Shallow Concentrated Flow, Paved Kv= 20.3 fps 8.0 114 Total Subcatchment PR-2B-P: Runoff Hydrograph Time (hours) 727068666462605856545250484644424038363432302826242220181614121086420 Flow (cfs) 0.005 0.005 0.005 0.004 0.004 0.004 0.004 0.004 0.003 0.003 0.003 0.003 0.003 0.002 0.002 0.002 0.002 0.002 0.001 0.001 0.001 0.001 0.001 0.000 0.000 0 NJ DEP 2-hr WQ Rainfall=1.25" Runoff Area=1,446 sf Runoff Volume=0.000 af Runoff Depth=0.07" Flow Length=114' Tc=8.0 min CN=74 0.00 cfs This document was created by an application that isn’t licensed to use novaPDF. Purchase a license to generate PDF files without this notice.

NJ DEP 2-hr WQ Rainfall=1.25"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 234HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Hydrograph for Subcatchment PR-2B-P: Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 1.00 0.63 0.00 0.00 2.00 1.25 0.07 0.00 3.00 1.25 0.07 0.00 4.00 1.25 0.07 0.00 5.00 1.25 0.07 0.00 6.00 1.25 0.07 0.00 7.00 1.25 0.07 0.00 8.00 1.25 0.07 0.00 9.00 1.25 0.07 0.00 10.00 1.25 0.07 0.00 11.00 1.25 0.07 0.00 12.00 1.25 0.07 0.00 13.00 1.25 0.07 0.00 14.00 1.25 0.07 0.00 15.00 1.25 0.07 0.00 16.00 1.25 0.07 0.00 17.00 1.25 0.07 0.00 18.00 1.25 0.07 0.00 19.00 1.25 0.07 0.00 20.00 1.25 0.07 0.00 21.00 1.25 0.07 0.00 22.00 1.25 0.07 0.00 23.00 1.25 0.07 0.00 24.00 1.25 0.07 0.00 25.00 1.25 0.07 0.00 26.00 1.25 0.07 0.00 27.00 1.25 0.07 0.00 28.00 1.25 0.07 0.00 29.00 1.25 0.07 0.00 30.00 1.25 0.07 0.00 31.00 1.25 0.07 0.00 32.00 1.25 0.07 0.00 33.00 1.25 0.07 0.00 34.00 1.25 0.07 0.00 35.00 1.25 0.07 0.00 36.00 1.25 0.07 0.00 37.00 1.25 0.07 0.00 38.00 1.25 0.07 0.00 39.00 1.25 0.07 0.00 40.00 1.25 0.07 0.00 41.00 1.25 0.07 0.00 42.00 1.25 0.07 0.00 43.00 1.25 0.07 0.00 44.00 1.25 0.07 0.00 45.00 1.25 0.07 0.00 46.00 1.25 0.07 0.00 47.00 1.25 0.07 0.00 48.00 1.25 0.07 0.00 49.00 1.25 0.07 0.00 50.00 1.25 0.07 0.00 51.00 1.25 0.07 0.00 52.00 1.25 0.07 0.00 53.00 1.25 0.07 0.00 54.00 1.25 0.07 0.00 55.00 1.25 0.07 0.00 56.00 1.25 0.07 0.00 57.00 1.25 0.07 0.00 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 58.00 1.25 0.07 0.00 59.00 1.25 0.07 0.00 60.00 1.25 0.07 0.00 61.00 1.25 0.07 0.00 62.00 1.25 0.07 0.00 63.00 1.25 0.07 0.00 64.00 1.25 0.07 0.00 65.00 1.25 0.07 0.00 66.00 1.25 0.07 0.00 67.00 1.25 0.07 0.00 68.00 1.25 0.07 0.00 69.00 1.25 0.07 0.00 70.00 1.25 0.07 0.00 71.00 1.25 0.07 0.00 72.00 1.25 0.07 0.00 This document was created by an application that isn’t licensed to use novaPDF. Purchase a license to generate PDF files without this notice.

NJ DEP 2-hr WQ Rainfall=1.25"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 235HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Summary for Reach 1R: TOP Inflow Area = 1.006 ac, 21.70% Impervious, Inflow Depth = 0.29" for WQ event Inflow = 0.67 cfs @ 1.03 hrs, Volume= 0.025 af Outflow = 0.67 cfs @ 1.03 hrs, Volume= 0.025 af, Atten= 0%, Lag= 0.0 min Routed to Reach 2R : CHANNEL Routing by Stor-Ind+Trans method, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs Reach 1R: TOP Inflow Outflow Hydrograph Time (hours) 727068666462605856545250484644424038363432302826242220181614121086420 Flow (cfs) 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=1.006 ac 0.67 cfs 0.67 cfs This document was created by an application that isn’t licensed to use novaPDF. Purchase a license to generate PDF files without this notice.

NJ DEP 2-hr WQ Rainfall=1.25"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 236HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Hydrograph for Reach 1R: TOP Time (hours) Inflow (cfs) Elevation (feet) Outflow (cfs) 0.00 0.00 0.00 1.00 0.64 0.64 2.00 0.05 0.05 3.00 0.00 0.00 4.00 0.00 0.00 5.00 0.00 0.00 6.00 0.00 0.00 7.00 0.00 0.00 8.00 0.00 0.00 9.00 0.00 0.00 10.00 0.00 0.00 11.00 0.00 0.00 12.00 0.00 0.00 13.00 0.00 0.00 14.00 0.00 0.00 15.00 0.00 0.00 16.00 0.00 0.00 17.00 0.00 0.00 18.00 0.00 0.00 19.00 0.00 0.00 20.00 0.00 0.00 21.00 0.00 0.00 22.00 0.00 0.00 23.00 0.00 0.00 24.00 0.00 0.00 25.00 0.00 0.00 26.00 0.00 0.00 27.00 0.00 0.00 28.00 0.00 0.00 29.00 0.00 0.00 30.00 0.00 0.00 31.00 0.00 0.00 32.00 0.00 0.00 33.00 0.00 0.00 34.00 0.00 0.00 35.00 0.00 0.00 36.00 0.00 0.00 37.00 0.00 0.00 38.00 0.00 0.00 39.00 0.00 0.00 40.00 0.00 0.00 41.00 0.00 0.00 42.00 0.00 0.00 43.00 0.00 0.00 44.00 0.00 0.00 45.00 0.00 0.00 46.00 0.00 0.00 47.00 0.00 0.00 48.00 0.00 0.00 49.00 0.00 0.00 50.00 0.00 0.00 51.00 0.00 0.00 52.00 0.00 0.00 53.00 0.00 0.00 54.00 0.00 0.00 55.00 0.00 0.00 56.00 0.00 0.00 57.00 0.00 0.00 Time (hours) Inflow (cfs) Elevation (feet) Outflow (cfs) 58.00 0.00 0.00 59.00 0.00 0.00 60.00 0.00 0.00 61.00 0.00 0.00 62.00 0.00 0.00 63.00 0.00 0.00 64.00 0.00 0.00 65.00 0.00 0.00 66.00 0.00 0.00 67.00 0.00 0.00 68.00 0.00 0.00 69.00 0.00 0.00 70.00 0.00 0.00 71.00 0.00 0.00 72.00 0.00 0.00 This document was created by an application that isn’t licensed to use novaPDF. Purchase a license to generate PDF files without this notice.

NJ DEP 2-hr WQ Rainfall=1.25"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 237HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Summary for Reach 2R: CHANNEL Inflow Area = 1.773 ac, 12.31% Impervious, Inflow Depth = 0.20" for WQ event Inflow = 0.67 cfs @ 1.03 hrs, Volume= 0.029 af Outflow = 0.67 cfs @ 1.03 hrs, Volume= 0.029 af, Atten= 0%, Lag= 0.0 min Routed to Reach 3R : TOTAL Routing by Stor-Ind+Trans method, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs Reach 2R: CHANNEL Inflow Outflow Hydrograph Time (hours) 727068666462605856545250484644424038363432302826242220181614121086420 Flow (cfs) 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=1.773 ac 0.67 cfs 0.67 cfs This document was created by an application that isn’t licensed to use novaPDF. Purchase a license to generate PDF files without this notice.

NJ DEP 2-hr WQ Rainfall=1.25"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 238HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Hydrograph for Reach 2R: CHANNEL Time (hours) Inflow (cfs) Elevation (feet) Outflow (cfs) 0.00 0.00 0.00 1.00 0.64 0.64 2.00 0.07 0.07 3.00 0.00 0.00 4.00 0.00 0.00 5.00 0.00 0.00 6.00 0.00 0.00 7.00 0.00 0.00 8.00 0.00 0.00 9.00 0.00 0.00 10.00 0.00 0.00 11.00 0.00 0.00 12.00 0.00 0.00 13.00 0.00 0.00 14.00 0.00 0.00 15.00 0.00 0.00 16.00 0.00 0.00 17.00 0.00 0.00 18.00 0.00 0.00 19.00 0.00 0.00 20.00 0.00 0.00 21.00 0.00 0.00 22.00 0.00 0.00 23.00 0.00 0.00 24.00 0.00 0.00 25.00 0.00 0.00 26.00 0.00 0.00 27.00 0.00 0.00 28.00 0.00 0.00 29.00 0.00 0.00 30.00 0.00 0.00 31.00 0.00 0.00 32.00 0.00 0.00 33.00 0.00 0.00 34.00 0.00 0.00 35.00 0.00 0.00 36.00 0.00 0.00 37.00 0.00 0.00 38.00 0.00 0.00 39.00 0.00 0.00 40.00 0.00 0.00 41.00 0.00 0.00 42.00 0.00 0.00 43.00 0.00 0.00 44.00 0.00 0.00 45.00 0.00 0.00 46.00 0.00 0.00 47.00 0.00 0.00 48.00 0.00 0.00 49.00 0.00 0.00 50.00 0.00 0.00 51.00 0.00 0.00 52.00 0.00 0.00 53.00 0.00 0.00 54.00 0.00 0.00 55.00 0.00 0.00 56.00 0.00 0.00 57.00 0.00 0.00 Time (hours) Inflow (cfs) Elevation (feet) Outflow (cfs) 58.00 0.00 0.00 59.00 0.00 0.00 60.00 0.00 0.00 61.00 0.00 0.00 62.00 0.00 0.00 63.00 0.00 0.00 64.00 0.00 0.00 65.00 0.00 0.00 66.00 0.00 0.00 67.00 0.00 0.00 68.00 0.00 0.00 69.00 0.00 0.00 70.00 0.00 0.00 71.00 0.00 0.00 72.00 0.00 0.00 This document was created by an application that isn’t licensed to use novaPDF. Purchase a license to generate PDF files without this notice.

NJ DEP 2-hr WQ Rainfall=1.25"240913_40 ERW Waymaker Proposed Printed 9/16/2024Prepared by Colliers Engineering & Design Page 239HydroCAD® 10.20-2g s/n 04431 © 2022 HydroCAD Software Solutions LLC Summary for Reach 3R: TOTAL Inflow Area = 2.068 ac, 10.56% Impervious, Inflow Depth = 0.18" for WQ event Inflow = 0.67 cfs @ 1.03 hrs, Volume= 0.032 af Outflow = 0.67 cfs @ 1.03 hrs, Volume= 0.032 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind+Trans method, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs Reach 3R: TOTAL Inflow Outflow Hydrograph Time (hours) 727068666462605856545250484644424038363432302826242220181614121086420 Flow (cfs) 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=2.068 ac 0.67 cfs 0.67 cfs This document was created by an application that isn’t licensed to use novaPDF. Purchase a license to generate PDF files without this notice.