complete drainage report rev 9

0.00 0.00 0.00 0.00 0.00 0.00 Primary (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

POA-2 2024-05-12 HydroCad - Proposed POA 2B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC NJ DEP 2-hr WQ Rainfall=1.25" Printed 10/25/2024 Page 319 Time span=0.00-80.00 hrs, dt=0.04 hrs, 2001 points Runoff by SCS TR-20 method, UH=SCS, Weighted-CN Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Runoff Area=6,824 sf 100.00% Impervious Runoff Depth=1.03" Flow Length=75' Slope=0.0400 '/' Tc=8.3 min CN=98 Runoff=0.43 cfs 588 cf Subcatchment 19S: Basin 3 - Imp Subcatchment 20S: 15775.6 Runoff Area=15,086 sf 0.00% Impervious Runoff Depth=0.07" Flow Length=75' Slope=0.0400 '/' Tc=8.3 min CN=74 Runoff=0.05 cfs 93 cf Runoff Area=41,524 sf 100.00% Impervious Runoff Depth=1.03" Flow Length=755' Slope=0.0200 '/' Tc=5.5 min CN=98 Runoff=2.77 cfs 3,580 cf Subcatchment 21S: Basin 4 - Imp Runoff Area=7,526 sf 0.00% Impervious Runoff Depth=0.07" Flow Length=755' Slope=0.0200 '/' Tc=5.5 min CN=74 Runoff=0.03 cfs 46 cf Subcatchment 24S: Basin 4 - Perv Subcatchment 25S: Basin 2 - Perv Runoff Area=82,260 sf 0.00% Impervious Runoff Depth=0.12" Flow Length=463' Tc=10.5 min CN=77 Runoff=0.45 cfs 802 cf Subcatchment 28S: Basin 2 - Imp Runoff Area=30,173 sf 100.00% Impervious Runoff Depth=1.03" Flow Length=463' Tc=10.5 min CN=98 Runoff=1.76 cfs 2,601 cf Subcatchment 29S: Basin 8 - Imp Runoff Area=38,257 sf 100.00% Impervious Runoff Depth=1.03" Flow Length=165' Tc=8.6 min CN=98 Runoff=2.37 cfs 3,298 cf Subcatchment 30S: Basin 8 - Perv Runoff Area=22,787 sf 0.00% Impervious Runoff Depth=0.12" Flow Length=165' Tc=8.6 min CN=77 Runoff=0.13 cfs 222 cf Subcatchment 31S: Basin 7 - Imp Runoff Area=45,778 sf 100.00% Impervious Runoff Depth=1.03" Flow Length=760' Tc=12.5 min CN=98 Runoff=2.53 cfs 3,947 cf Subcatchment 32S: Basin 7 - Perv Runoff Area=58,678 sf 0.00% Impervious Runoff Depth=0.12" Flow Length=760' Tc=12.5 min CN=77 Runoff=0.29 cfs 572 cf Subcatchment 35S: DA 2 Und - Imp Runoff Area=52,513 sf 100.00% Impervious Runoff Depth=1.03" Flow Length=160' Tc=9.8 min CN=98 Runoff=3.13 cfs 4,527 cf Subcatchment 36S: DA 2 Und - Perv Runoff Area=119,952 sf 0.00% Impervious Runoff Depth=0.12" Flow Length=160' Tc=9.8 min CN=77 Runoff=0.66 cfs 1,170 cf Subcatchment 45S: Basin 11 - Imp Runoff Area=59,901 sf 100.00% Impervious Runoff Depth=1.03" Flow Length=233' Tc=9.8 min CN=98

Depth=0.12" Flow Length=160' Tc=9.8 min CN=77 Runoff=0.66 cfs 1,170 cf Subcatchment 45S: Basin 11 - Imp Runoff Area=59,901 sf 100.00% Impervious Runoff Depth=1.03" Flow Length=233' Tc=9.8 min CN=98 Runoff=3.57 cfs 5,164 cf Subcatchment 46S: Basin 11 - Perv Runoff Area=24,202 sf 0.00% Impervious Runoff Depth=0.10" Flow Length=233' Tc=9.8 min CN=76 Runoff=0.11 cfs 204 cf Subcatchment 51S: Basin 10 - Imp Runoff Area=53,114 sf 100.00% Impervious Runoff Depth=1.03" Flow Length=379' Tc=10.7 min CN=98 Runoff=3.08 cfs 4,579 cf Subcatchment 52S: Basin 10 - Perv Runoff Area=37,235 sf 0.00% Impervious Runoff Depth=0.09" Flow Length=379' Tc=10.7 min CN=75 Runoff=0.14 cfs 270 cf

POA-2 2024-05-12 HydroCad - Proposed POA 2B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC NJ DEP 2-hr WQ Rainfall=1.25" Printed 10/25/2024 Page 320 Subcatchment 53S: Basin 9 - Imp Runoff Area=17,461 sf 100.00% Impervious Runoff Depth=1.03" Flow Length=140' Tc=7.4 min CN=98 Runoff=1.12 cfs 1,505 cf Subcatchment 54S: Basin 9 - Perv Runoff Area=8,916 sf 0.00% Impervious Runoff Depth=0.13" Flow Length=140' Tc=7.4 min CN=78 Runoff=0.07 cfs 100 cf Pond 21P: Basin 3 Peak Elev=559.01' Storage=17 cf Inflow=0.45 cfs 681 cf Discarded=0.44 cfs 681 cf Primary=0.00 cfs 0 cf Outflow=0.44 cfs 681 cf Pond 22P: Basin 4 Peak Elev=572.22' Storage=1,074 cf Inflow=2.78 cfs 3,626 cf Discarded=1.13 cfs 3,626 cf Primary=0.00 cfs 0 cf Outflow=1.13 cfs 3,626 cf Pond 27P: Basin 2 Peak Elev=544.63' Storage=3,403 cf Inflow=2.08 cfs 3,403 cf Outflow=0.00 cfs 0 cf Pond 33P: Basin 11 Peak Elev=590.05' Storage=265 cf Inflow=3.64 cfs 5,369 cf Discarded=3.13 cfs 5,369 cf Primary=0.00 cfs 0 cf Outflow=3.13 cfs 5,369 cf Pond 41P: Basin 10 Peak Elev=576.07' Storage=654 cf Inflow=3.15 cfs 4,849 cf Discarded=2.22 cfs 4,849 cf Primary=0.00 cfs 0 cf Outflow=2.22 cfs 4,849 cf Pond 42P: Basin 9 Peak Elev=562.13' Storage=344 cf Inflow=1.17 cfs 1,605 cf Discarded=0.61 cfs 1,605 cf Primary=0.00 cfs 0 cf Outflow=0.61 cfs 1,605 cf Pond 48P: Basin 8 Peak Elev=573.03' Storage=128 cf Inflow=2.45 cfs 3,521 cf Discarded=2.37 cfs 3,521 cf Primary=0.00 cfs 0 cf Outflow=2.37 cfs 3,521 cf Pond 49P: Basin 7 Peak Elev=531.31' Storage=4,519 cf Inflow=2.72 cfs 4,519 cf Outflow=0.00 cfs 0 cf Link 28L: POA 2 Inflow=3.61 cfs 5,697 cf Primary=3.61 cfs 5,697 cf Link 34L: DA 2 Undetained Inflow=3.61 cfs 5,697 cf Primary=3.61 cfs 5,697 cf Total Runoff Area = 722,187 sf Runoff Volume = 33,270 cf Average Runoff Depth = 0.55" 52.15% Pervious = 376,642 sf 47.85% Impervious = 345,545 sf

POA-2 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 2B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 321 Summary for Subcatchment 19S: Basin 3 - Imp Runoff = 0.43 cfs @ 1.12 hrs, Volume= Routed to Pond 21P : Basin 3 588 cf, Depth= 1.03" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-80.00 hrs, dt= 0.04 hrs NJ DEP 2-hr WQ Rainfall=1.25" Area (sf) 5,876 948 6,824 6,824 * CN 98 98 98 Description Paved parking, HSG C impervious other than pavement Weighted Average 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.3 75 0.0400 0.15 Sheet Flow, Sheet Flow (A-B) Grass: Dense n= 0.240 P2= 3.47" Sheet Flow (A-B) Subcatchment 19S: Basin 3 - Imp Subcatchment 19S: Basin 3 - Imp Flow (cfs) Hydrograph 0.46 0.44 0.43 cfs 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 Time (hours) NJ DEP 2-hr WQ Rainfall=1.25" Runoff Area=6,824 sf Runoff Volume=588 cf Runoff Depth=1.03" Flow Length=75' Slope=0.0400 '/' Tc=8.3 min CN=98 Runoff

POA-2 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 2B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 19S: Basin 3 - Imp Time Precip. Excess (hours) (inches) (inches) 0.00 0.00 0.00 0.80 0.23 0.09 1.60 1.18 0.97 2.40 1.25 1.03 3.20 1.25 1.03 4.00 1.25 1.03 4.80 1.25 1.03 5.60 1.25 1.03 6.40 1.25 1.03 7.20 1.25 1.03 8.00 1.25 1.03 8.80 1.25 1.03 9.60 1.25 1.03 10.40 1.25 1.03 11.20 1.25 1.03 12.00 1.25 1.03 12.80 1.25 1.03 13.60 1.25 1.03 14.40 1.25 1.03 15.20 1.25 1.03 16.00 1.25 1.03 16.80 1.25 1.03 17.60 1.25 1.03 18.40 1.25 1.03 19.20 1.25 1.03 20.00 1.25 1.03 20.80 1.25 1.03 21.60 1.25 1.03 22.40 1.25 1.03 23.20 1.25 1.03 24.00 1.25 1.03 24.80 1.25 1.03 25.60 1.25 1.03 26.40 1.25 1.03 27.20 1.25 1.03 28.00 1.25 1.03 28.80 1.25 1.03 29.60 1.25 1.03 30.40 1.25 1.03 31.20 1.25 1.03 32.00 1.25 1.03 32.80 1.25 1.03 33.60 1.25 1.03 34.40 1.25 1.03 35.20 1.25 1.03 36.00 1.25 1.03 36.80 1.25 1.03 37.60 1.25 1.03 38.40 1.25 1.03 39.20 1.25 1.03 40.00 1.25 1.03 Runoff (cfs) 0.00 0.04 0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Time Precip. Excess (hours) (inches)

00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Time Precip. Excess (hours) (inches) (inches) 40.80 1.25 1.03 41.60 1.25 1.03 42.40 1.25 1.03 43.20 1.25 1.03 44.00 1.25 1.03 44.80 1.25 1.03 45.60 1.25 1.03 46.40 1.25 1.03 47.20 1.25 1.03 48.00 1.25 1.03 48.80 1.25 1.03 49.60 1.25 1.03 50.40 1.25 1.03 51.20 1.25 1.03 52.00 1.25 1.03 52.80 1.25 1.03 53.60 1.25 1.03 54.40 1.25 1.03 55.20 1.25 1.03 56.00 1.25 1.03 56.80 1.25 1.03 57.60 1.25 1.03 58.40 1.25 1.03 59.20 1.25 1.03 60.00 1.25 1.03 60.80 1.25 1.03 61.60 1.25 1.03 62.40 1.25 1.03 63.20 1.25 1.03 64.00 1.25 1.03 64.80 1.25 1.03 65.60 1.25 1.03 66.40 1.25 1.03 67.20 1.25 1.03 68.00 1.25 1.03 68.80 1.25 1.03 69.60 1.25 1.03 70.40 1.25 1.03 71.20 1.25 1.03 72.00 1.25 1.03 72.80 1.25 1.03 73.60 1.25 1.03 74.40 1.25 1.03 75.20 1.25 1.03 76.00 1.25 1.03 76.80 1.25 1.03 77.60 1.25 1.03 78.40 1.25 1.03 79.20 1.25 1.03 80.00 1.25 1.03 Runoff (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Printed 10/25/2024 Page 322

POA-2 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 2B-1 Printed 10/25/2024 Page 323 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Summary for Subcatchment 20S: 15775.6 Runoff = 0.05 cfs @ 1.24 hrs, Volume= Routed to Pond 21P : Basin 3 93 cf, Depth= 0.07" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-80.00 hrs, dt= 0.04 hrs NJ DEP 2-hr WQ Rainfall=1.25" Area (sf) 15,086 15,086 CN 74 Description >75% Grass cover, Good, HSG C 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.3 75 0.0400 0.15 Sheet Flow, Sheet Flow (A-B) Grass: Dense n= 0.240 P2= 3.47" Sheet Flow (A-B) Subcatchment 20S: 15775.6 Subcatchment 20S: 15775.6 Hydrograph Runoff 0.05 0.05 cfs 0.045 0.04 Flow (cfs) 0.035 0.03 0.025 0.02 0.015 0.01 NJ DEP 2-hr WQ Rainfall=1.25" Runoff Area=15,086 sf Runoff Volume=93 cf Runoff Depth=0.07" Flow Length=75' Slope=0.0400 '/' Tc=8.3 min CN=74 0.005 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 Time (hours)

POA-2 NJ DEP 2-hr WQ Rainfall=1.25" 2024-05-12 HydroCad - Proposed POA 2B-1 Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 20S: 15775.6 Time Precip. Excess (hours) (inches) (inches) 0.00 0.00 0.00 0.80 0.23 0.00 1.60 1.18 0.06 2.40 1.25 0.07 3.20 1.25 0.07 4.00 1.25 0.07 4.80 1.25 0.07 5.60 1.25 0.07 6.40 1.25 0.07 7.20 1.25 0.07 8.00 1.25 0.07 8.80 1.25 0.07 9.60 1.25 0.07 10.40 1.25 0.07 11.20 1.25 0.07 12.00 1.25 0.07 12.80 1.25 0.07 13.60 1.25 0.07 14.40 1.25 0.07 15.20 1.25 0.07 16.00 1.25 0.07 16.80 1.25 0.07 17.60 1.25 0.07 18.40 1.25 0.07 19.20 1.25 0.07 20.00 1.25 0.07 20.80 1.25 0.07 21.60 1.25 0.07 22.40 1.25 0.07 23.20 1.25 0.07 24.00 1.25 0.07 24.80 1.25 0.07 25.60 1.25 0.07 26.40 1.25 0.07 27.20 1.25 0.07 28.00 1.25 0.07 28.80 1.25 0.07 29.60 1.25 0.07 30.40 1.25 0.07 31.20 1.25 0.07 32.00 1.25 0.07 32.80 1.25 0.07 33.60 1.25 0.07 34.40 1.25 0.07 35.20 1.25 0.07 36.00 1.25 0.07 36.80 1.25 0.07 37.60 1.25 0.07 38.40 1.25 0.07 39.20 1.25 0.07 40.00 1.25 0.07 Runoff (cfs) 0.00 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Time Precip. Excess (hours) (inches)

00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Time Precip. Excess (hours) (inches) (inches) 40.80 1.25 0.07 41.60 1.25 0.07 42.40 1.25 0.07 43.20 1.25 0.07 44.00 1.25 0.07 44.80 1.25 0.07 45.60 1.25 0.07 46.40 1.25 0.07 47.20 1.25 0.07 48.00 1.25 0.07 48.80 1.25 0.07 49.60 1.25 0.07 50.40 1.25 0.07 51.20 1.25 0.07 52.00 1.25 0.07 52.80 1.25 0.07 53.60 1.25 0.07 54.40 1.25 0.07 55.20 1.25 0.07 56.00 1.25 0.07 56.80 1.25 0.07 57.60 1.25 0.07 58.40 1.25 0.07 59.20 1.25 0.07 60.00 1.25 0.07 60.80 1.25 0.07 61.60 1.25 0.07 62.40 1.25 0.07 63.20 1.25 0.07 64.00 1.25 0.07 64.80 1.25 0.07 65.60 1.25 0.07 66.40 1.25 0.07 67.20 1.25 0.07 68.00 1.25 0.07 68.80 1.25 0.07 69.60 1.25 0.07 70.40 1.25 0.07 71.20 1.25 0.07 72.00 1.25 0.07 72.80 1.25 0.07 73.60 1.25 0.07 74.40 1.25 0.07 75.20 1.25 0.07 76.00 1.25 0.07 76.80 1.25 0.07 77.60 1.25 0.07 78.40 1.25 0.07 79.20 1.25 0.07 80.00 1.25 0.07 Runoff (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Printed 10/25/2024 Page 324