2022 08 Drainage Report

2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" 2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Dynamic Engineering Printed 8/5/2022 Prepared by Dynamic Engineering Printed 9/5/2022 4 HydroCAD® 10.20-2d_ s/n 08640 © 2021 iroCAD Software Solutions LLC Hy "AD® 10.20-2d_s/n 08640 © 2021 H) Summary for Subcatchment 5S: Basin B - Perv. Hydrograph for Subcatchment 5S: Basin B - Perv. Runoff == 0.84 cfs @ 12.18 hrs, Volume= 0,072 af, Depth= 1.20" Time Precip. Excess Runoff Time Precip. Excess Runoff Routed to Pond 4P : Basin B hours) (inches) (inches) (cfs) | (hours) (inches) (inches) (cfs) 00 0.00. 0.00 0.00 1.20 0.00 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs aay ol oo Hea ey NOAA 24-hr D 2-Year Rainfall=3.44" pat) ao Aa Han Wan .00 0.00 1.20 0.00 _ 0.18 0.00 00 1.20 0.00 Area (sf) __CN__Description Cae aon ia aa 31,571 74 _>75% Grass cover, Good, HSG C 023 0.00 0.00 120 0.09 31,571 7100.00% Pervious Area 0.36 0.00 0.00 1.20 0.00 0.45 0.00 0.00 1.20 0.00 Te Length Slope Velocity Capacity Description ozs] 0.00, 0.00 1.20 0.00 (min) (feet) __(ftft)_(fusec) __(cfs) ny b02 120 00 10.0 Direct Entry, Direct 1.65 0.20 0.30 1.20 0.00 2.55 0.63 0.15 1.20 0.00 Subcatchment 5S: Basin B - Perv. 276 0.76 0,08 1.20 0.00 2.89 0.84 0.05 1.20 0.00 hydroarent 299 0.90 0.04 1.20 0.00 3.08 0.96 0.04 1.20 0,00 oof t=) 315 1.00 0.03 1.20 0.00 085 3200 1 0.03 420 0.00 ‘ta NOAA 24-hrD 326 1.08 0.03 4.20 0.00 7 i" i" 3.31 4.11 0.02 vi -2-Year Rainfall=3.44' 336144 002 oss Runoff Area=31,571 sf ee na a Runoff Volume=0.072 af 344 1.20 0.00 Fa 2 - 344 1.20 0.00 3 on Runoff Depth=1.20 3441.20 0.00 r 7 3.44 1.20 0.00 Eon] . Tc=10.0 min, gual L120 0.00 038: CN=74 344 1.20 0.00 03: 3.44 4.20 0.00 02s 344 120 0.09 02: 3.44 1.20 0.00 6: 3.44 1.20 0.00 at 344 1.20 0.00 oos4 3.44 4.20 0.00 Ft 344 1.20 0.00 0-2-4 8 8 1021 8 1820 22 24 26 2B 30 32 34 35 38 40 42 44 46 48 50 52 54 96 58 60 62 6 65 68 7072 344 1.20 0.00 “ime (hous) 344 1.20 0.00 344 1.20 0.00 3441.20 0.00 344 1,20 0.00 3.44 4,20 0.00 3.44 1.20 0.00 3.44 1.20 0.00 3.44 1.20 0.00 3.44 1.20 0.00 3.44 1.20 0.00 3.44 1.20 0,00 344 1.20 0.00 3.44 1.20 0.00

2022-07-28 Proposed Hydrology Prepared by Dynamic Engineering HydroCAD® 10.20-2d sin 08640 © 2021 HydroCAD Software Solutions LLC NOAA 24-hr D 2-Year Rainfall=3.44" Printed 8/5/2022 4 Summary for Subcatchment 7S: Basin C - Imp. Runoff = 0.30 cfs @_12.17 hrs, Volume= 0.028 af, Depth= 3.21" Routed to Pond 5P : Basin C Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0,05 hrs NOAA 24-hr D 2-Year Rainfall=3.44" Area (sf)__CN__Description 4,635___ 98 Unconnected pavement, HSG C 4,635 100.00% Impervious Area 4,635 100.00% Unconnected Te Length Slope Velocity Capacity Description (min) (feet) __(ft/ft)__ (ft/sec) (cfs) 10.0 Direct Entry, Direct Subcatchment 7S: Basin C - Imp. Hydrograph NOAA 24-hr D> 2-Year Rainfall=3.44"_ -Runoff Area=4,635 sf Runoff Volume=0.028 af Runoff Depth=3.21" - Tc=10-0 min CN=98 O24 eo WET 720 22 24 26-20 30 32 34 36 38 40 42 44 46 48 90 52 St $5 58 60 62 64 OB 68 7072 “Time 2022-07-28 Proposed Hydrology Prepared by Dynamic Engineering HydroCAD® 10.20-2d s/n 08640 © 2021 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 7S: Basin C - Imp. NOAA 24-hr D 2-Year Rainfall=3.44" Printed 8/5/2022

2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Dynamic Engineering Printed 8/5/2022 HydroCAD® 10.20-2¢_s/n 08640 © 1 HydroCAD Software Solutions LLC P: 4 Summary for Subcatchment 8S: Basin C - Perv. Runoff = 0.82 cfs @_12.18hrs, Volume= 0.071 af, Depth= 1.20" Routed to Pond 5P : Basin C Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs NOAA 24-hr D 2-Year Rainfall=3.44" Area (sf) __CN__Description 31,149 74 __>75% Grass cover, Good, HSG C 31,149) 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) __(ft/t)_(ftsec)_(cfs) 10.0 Direct Entry, Direct Subcatchment 8S: Basin C - Perv. Hydrograph oof a) re NOAA 24-hr D ral 2-Year Rainfall=3.44" os] Runoff Area=31,149 sf _ ead Runoff Volume=0.071 af S os Runoff Depth=1.20" 3 : = OPE 4G B OTE TH Wo T8AO 20 WN 28 2830'S 3 3836 40-4 4446 4 2 82 4 9 26D 62 646568 7072 imo (hours) 2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Dynamic Engineering Printed 8/5/2022 10.20-2d_sin 08640 © 2021 HydroCAD Software Solutions LLC P: Hydrograph for Subcatchment 8S: Basin C - Perv. Time Precip. Excess Runoff | Time Precip, Excess Runoff 400 0.04 0.00 0.00 . x 2.00 0.08 0.00 0.00 . E . 3.00 0.13 0.00 0.00 5. i . 400 0.48 0.00 0.00 | 56.00 344 1.20 0.00 5.00 0.24 ~—0.00 0.00 | 57.00 344 1.20 0.00 600 0.29 0.00 0.00 | 5800 344 1.20 0.00 7.00 0.36 0.00 000 | 5900 344 1.20 0.00 8.00 045 0.00 0.00 | 60.00 344 1.20 0.00 9.00 0.55 0.00 0.00 | 61.00 344 1.20 0.00 10.00 068 0.00 0.00 | 6200 344 1.20 0.00 11.00 0.89 0.01 002 | 63.00 344 1.20 0,00 1200 1.65 0.20 0.30 | 64.00 344 1.20 0.00 13.00 255 0.63 045 | 65.00 344 1.20 0.00 1400 276 0.76 0.07 | 66.00 344 1.20 0.00 45.00 289 0.84 0.05 | 67.00 344 1.20 0,00 16.00 299 0.90 0.04 | 6800 344 1.20 0.00 17.00 3.08 (0.96 0.04 | 6900 344 1.20 0.00 1800 315 1.00 0.03 | 70.00 344 1.20 0.00 49.00 320 1.04 0.03 | 71.00 344 1.20 0.00 20.00 3.26 1.08 0.03 | 7200 344 1.20 0.00 21.00 3.310 4.11 0.02 2200 3.36 1.14 0.02 23,00 340 1.17 0.02 24.00 3.44 1.20 0.02 25.00 344 © 1.20 0.00 26.00 344 1.20 0.00 27.00 3.44 = 1.20 0.00 2800 344 1.20 0.00 29.00 344 © 1.20 0.00 30.00 344 1.20 0.00 31.00 344 1.20 0.00 3200 344 = 1.20 0.00 33.00 3.44 1.20 0.00 3400 3.44 1.20 0.00 35.00 3.44 1.20 0.00 36.00 3.44 1.20 0.00 37.00 344 1.20 0.00 38.00 344 1.20

© 1.20 0.00 30.00 344 1.20 0.00 31.00 344 1.20 0.00 3200 344 = 1.20 0.00 33.00 3.44 1.20 0.00 3400 3.44 1.20 0.00 35.00 3.44 1.20 0.00 36.00 3.44 1.20 0.00 37.00 344 1.20 0.00 38.00 344 1.20 0.00 39.00 344 1.20 0.00 40.00 344 1.20 0.00 4100 3.44 1.20 0.00 4200 344 1.20 0.00 43.00 344 1.20 0,00 4400 344 1.20 0.00 45.00 3.44 1.20 0.00 46.00 3.44 1,20 0.00 4700-344 1.20 0.00 48.00 344 1.20 0.00 49.00 344 1.20 0.00 50.00 344 1.20 0.00 51.00 344 1.20 0.00

2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" 2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Dynamic Engineering Printed 9/5/2022 Prepared by Dynamic Engineering Printed 8/5/2022 roCAD® 10.20-2d s/n 08640 © 2021 HydroCAD Software Solutions LLC 4 HydroCAD® 10.20-2d sin 08640_© 2021 HydroCAD Software Solutions LLC P: Summary for Subcatchment 9S; Mt. Pleasant Ave Undetained - Imp. Hydrograph for Subcatchment 9S: Mt. Pleasant Ave Undetained - Imp. Runoff = 0.11 cfs @ 12.17 hrs, Volume= 0.010 af, Depth= 3.21" Time Precip. Excess Runoff | Time Precip. Excess Runoff Routed to Link 3L : Mt. Pleasant Ave - Undetained Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= NOAA 24-hr D 2-Year Rainfall=3. .05 hrs, Area (sf)_CN__Description 7,085 98 —Unconnected pavement, HSG C 621__98_Unconnected pavement, HSG D 1,706 98 Weighted Average 4,706 100.00% Impervious Area 1,706 100.00% Unconnected Te Length Slope Velocity Capacity Description (min) (feet) __(ft/ft)_(f'sec) (cfs) 10.0 Direct Entry, Direct Subcatchment 9S: Mt. Pleasant Ave Undetained - Imp. Hydrograph_ one pa) ag _ NOAA 24-hr_D 0008] 2-Year Rainfall=3.44" oes} Runoff Area=1,706 sf aors| Runoff Volume=0.010 af Toneed Runoff Depth=3.21" tee Tc=10.0 min 0,085. CN=98 of 02 4 OO TO TE 10 W180 22 24 20 28 30 32 24 96 38 40-42 44 46 48 50 £2 54 58 $3 60 G2 GA 68.68 7072 ‘Time (hours)

2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Dynamic Engineering Printed 9/5/2022 HydroCAD® 10.20-2d_s/n 08640 © 2021 HydroCAD Software Solutions LLC ‘Summary for Subcatchment 10S: Mt. Pleasant Ave Undetained - Perv. Runoff = 1.07 cfs @ 12.18 hrs, Volume= 0.092 af, Depth= 1.20" Routed to Link 3L : Mt. Pieasant Ave - Undetained Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs NOAA 24-hr D 2-Year Rainfall=3.44" Area (sf) CN Description 38,200 74 ©>75% Grass cover, Good, HSG C 2.119 80 __>75% Grass cover, Good, HSG D 40,319 74 Weighted Average 40,319 100.00% Pervious Area Te Length Slope Velocity Capacity Description (min) (feet) _(fvft)_(f/sec) (cs) 10.0 Direct Entry, Direct Subcatchment 10S: Mt. Pleasant Ave Undetained - Perv. Hydrograph NOAA 24-hr D 2-Year Rainfall=3.44" Runoff Area=40,319 sf Runoff Volume=0.092 af Runoff Depth=1.20" Tc=10.0 min CN=74 Flow (cfs) of (0-2 4 6 B 101214 10 1820 22 24 26 28 90 32.34 35 28.40 42 44 45 48 SO 52.5% 90 $5.60 O2 64 65 08 70 72 “Time (hours) 2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Dynamic Engineering Printed 8/5/2022 10.20-2d_sin 08640 © 2021 HydroCAD Software Solutions LLC Pi Hydrograph for Subcatchment 10S: Mt. Pleasant Ave Undetained - Perv. Time Precip. Excess Runoff | Time Precip. Excess Runoff hours) (inches) (inches) (cfs) | (hours) (inches) (inches) (fs) 0.00 0.00 0.00 | 5200 344 1.20 0.00 1.00 0.00 0.00 | 53.00 344 1.20 0.00 2.00 0.00 0.00 | 54.00 344 1.20 0.00 3.00 0.00 0.00 | 55.00 344 1.20 0.00 4.00 0.00 0.00 | 56.00 344 1.20 0.00 5.00 0.00 0,00 | 57.00 344 1.20 0.00 6.00 0.00 0.00 | 5800 344 1.20 0.00 7.00 0.00 0.00 | 5900 344 1.20 0.00 8.00 0.00 0.00 | 60.00 344 1.20 0,00 9.00 0.00 0.00 | 6100 344 1.20 0.00 10.00 0.00 o.oo | 6200 344 1.20 0.00 11.00 0.01 a.02 | 6300 344 1.20 0.00 12.00 0.20 o39 | 64.00 344 1.20 0.00 13.00 0.63, 019 | 65.00 344 1.20 0.00 14,00 0.76 0.10 | 66.00 344 1.20 0.00 15.00 0.84 0.07 | 67.00 344 1.20 0.00 16.00 0.90 0.06 | 68.00 344 1.20 0.00 17.00 0.96 0.05 | 69.00 344 1.20 0.00 18.00 1.00 0.04 | 70.00 3.44 © 1.20 0.00 49.00 1,04 0.04 | 71.00 344 © 1.20 0.00 20.00 1.08 0.03 | 7200 344 1.20 0.00 21.00 411 0.03 22.00 114 0.03 23,00 17 0.03 24,00 1.20 0.02, 25.00 1.20 0.00 26.00 4.20 0.00 27.00 1.20 0.00 28.00 4.20 9.00 29.00 1.20 0.00 30.00 1.20 0.00 31.00 1.20

0 1.08 0.03 | 7200 344 1.20 0.00 21.00 411 0.03 22.00 114 0.03 23,00 17 0.03 24,00 1.20 0.02, 25.00 1.20 0.00 26.00 4.20 0.00 27.00 1.20 0.00 28.00 4.20 9.00 29.00 1.20 0.00 30.00 1.20 0.00 31.00 1.20 0.00 32.00 4.20 0.00 33.00 1.20 0.00 34,00 1.20 0.00 35.00 1.20 0.00 36.00 4.20 0.00 37.00 4.20 0,00 38.00 1.20 0.00 39.00 1.20 0.00 40.00 1.20 0.00 41.00 4.20 0.00 42.00 1.20 0.00 43.00 1.20 0.00 44.00 1.20 0.00 45.00 4.20 0.00 46.00 1.20 0.00 47.00 1.20 0.00 48.00 1.20 0.00 49,00 1.20 0.00 50.00 4.20 0.00 51.00 41.20 0.00

2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" 2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Dynamic Engineering Printed 8/5/2022 Prepared by Dynamic Engineering Printed 9/5/2022 HydroCAD® 10.20-2d_s/n 08640 © 2021 HydroCAD Software Solutions LLC HydroCAD@ 10.20-24_ s/n. 08640 © 2021 HydroCAD Software Solutions LLC. Summary for Subcatchment 11S: Basin D - Imp. Hydrograph for Subcatchment 11S: Basin D - imp. Runoff = 0.15 cfs @ 12.17 hrs, Volume= 0.015 af, Depth= 3.21" Time Precip. Excess Runoff Time Precip. Excess Runoff. Routed to Pond 6P : Basin D we inches) ores) {ot hours) inches) inches) Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs aaa oat 000 | S200 Sas NOAA 24-hr D 2-Year Rainfall=3.44" a Gos oee ll shoo Sa — 4.00 0.06 0.00 56.00 3.44 Area (sf)__CN Description 5.00 0.03 00 | 57.00 3.44 2,400 98 Unconnected pavement, HSG C 6.00 0.14 0.00 | 58.00 3.44 2,400 100.00% Impervious Area a 20 ey Pang 3a 2,400 10.00% Unconnected aa _ ooo }f) guso 344 Te Length Slope Velocity Capacity Des Hy nae corti] garg Sat {min)__(feet) _{fth) _(ftisec)_(cfs) 12:00 1.43 007 | 64.00 3.44 10.0 Direct Entry, Direct 13.00 2.32 0.02 65.00 3.44 14,00 2.53 0.01 66.00 3.44 catch : Basil . 15,00 2.66 0.01 67.00 3.44 oe seid nD -Imp. 16,00 276 0.01 68.00 3.44 Hydrograph 17.00 2.85 0.00 | 69.00 3.44 18.00 291 0.00 70.00 3.44 a (c=) 19.00 297 0.00 | 71.00 3.44 16 20.00 3.03 o.oo | 7200 3.44 01s NOAA 24-hr D 21.00 3.08 0.00 u " 22.00 3.42 0.00 oe 2-Year Rainfall=3.44' 33.00 347 0.00 =! 24,00 3.21 0.00 ow Runoff Area=2,400 sf eso el ‘aloo £23) Runoff Volume=0.015-af By _ one £ vod Runoff Depth=3.21" 28.00 321 0.00 | — 29.00 3.24 0.00 i ser Te=10.0 min 30.00 324 0.00 = 31.00 321 0,00 4 CN=98 32.00 3.21 0.00 33.00 3.21 0.00 34.00 3.21 0.00 35.00 3.21 0.00 36.00 324 0.00 37.00 3.21 0.00 38.00 3.21 0.00 39.00 3.21 0.00 BUR U 2 28902 9. Hoar ede 2k de Shed ex eT T2 bay Aa 00) 41.00 321 0.00 42.00 321 0.00 43,00 3.21 0,00 44,00 3.21 0.00 45.00 3.21 0.00 46.00 3.21 0.00 47.00 3.21 0.00 48.00 3.24 0.00 49,00 3.24 0.00 50.00 3.21 0.00 51.00 3.21 0.00

2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" 2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Dynamic Engineering Printed 8/5/2022 Propared by Dynamic Engineering Printed 8/5/2022 HydroCAD® 10.20-2d sin 08640 © 2021 HydroCAD Software Solutions LLC :AD® 10.20-2d sin 08640 ©2021 Hi ‘Summary for Subcatchment 12S: Basin D - Perv. Hydrograph for Subcatchment 12S: Basin D - Perv. Runoff == 0.42 cfs @ 12.18 hrs, Volume= 0.037 af, Depth= 1.20" Time Precip. Excess Runoff uu Precip. Excess Runoff Routed to Pond 6P : Basin D Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs NOAA 24-hr D 2-Year Rainfall=3.44" Area (sf) _CN__Deseription. 15,983 74 _>75% Grass cover, Good, HSG C \ i 15,983 7100.00% Pervious Area 036 0.00 0.00 | 59.00 i 0.45, 0.00 0.00 60.00 1.20 Te Length Slope Velocity Capacity Description 0.55 0.00 0.00 | 61.00 1.20 (min) (feet) __(ftft)__(fuisec) _(cfs) eee [oar ooo 200 tian 40.0 Direct Entry, Direct 165 020 015 | 64.00 120 255 0.63 0.07 | 65.00 120 Subcatchment 12S: Basin D - Perv. 276 0.76 0.04 | 66.00 1.20 2.89 0.84 0.03 67.00 1.20 Hydrograph 2.99 0.90 0.02 68.00 1.20 3.08, 0.96 0.02 69,00 1.20 cued 345.00 0.02 | 70.00 120 al 3.20 1.0 0.01 71.00 1.20 br NOAA 24-hr'D 3.26 1.08 001 | 72.00 1.20 ome] infall=3.44" 331 1.11 0.0% ses 2-Year Rainfall=3.44' 33614 00% ome =" 3.40 AAT 0.01 ‘ Runoff Area=15,983 sf a a cs Runoff Volume=0.037 af_ 3.44 1.20 0.00 3 7 344 1.20 0.00 : Fd Runoff Depth=1.20" 344 1200.00 oa -Teo= 344 1.20 0.00 © 02] Te=10.0 min 3441.20 0.00 ed CN=74 | 3.44 1.20 0.00 ied 3.44 1.20 0.00 ried 3441.20 0.00 ‘at 3.44 1.20 0.00 008 344 1.20 0.00 0.08: 3.44 1,20 0.00 bined 3.44 1.20 0.00 bar 3.44 1.20 0.00 V2 14 10 18 20 22 24 26 28 30 32 24 35 38 40 42 4A 46 48 0 52 54 56 58 60 62 G4 68 68 7072 3.44 1.20 0.00 ‘Time (hours) 3.44 1.20 0.00 3.44 1.20 0,00 3.44 1.20 0.00 3.44 41.20 0.00 3.44 1.20 0.00 344 1.20 0.00 3.44 1.20 0.00 3.44 1,20 0.00 3.44 1.20 0.00 3.44 1.20 0.00 344 1.20 0.00 3.44 4.20 0.00 344 1.20 0.00

2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Dynamic Engineering Printed 8/5/2022 HydroCAD® 10.20-2d s/n 08640 © 2021 HydroCAD Software Solutions LLC Summary for Pond 3P: Basin A Inflow Area= 0.669 ac, 15.97% Impervious, Inflow Depth= 1.52" for 2-Year event Inflow = — 0.94cfs@ 12.18 hrs, Volume= 0.085 af Outfow = — 0.00cfs@ 0.00 hrs, Volume= 0,000 af, Atten= 100%, Lag= 0.0 min Primary = — 0.00cfs@ 0.00 hrs, Volume= 0.000 af Routed to Link 2L : Mt. Pleasant Ave. Routing by Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs Peak Elev= 625.54’ @ 24.60 hrs Surf.Area= 2,861 sf Storage= 3,691 cf (not calculated: initial storage exceeds outflow) ‘not calculated: no outfiow) Plug-Flow detention ti Center-of-Mass det. ti Volume Invert___Avail.Storage_ Storage Description #4 624.00" 8,561 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 624.00 7,951 0 0 625.00 2.519 2,235 2,235 626.00 3,150 2,835 5,070 627.00 3,833 3,492 8,561 Device Routing Invert__Outlet Devices #1 Primary 626.00’ 6.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads rimary OutFlow Max=0.00 cfs @ 0.00 hrs HW=624,00' (Free Discharge) |=Orifice/Grate (Controls 0.00 cfs) 2022-07-28 Proposed Hydrology NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Dynamic Engineering Printed 9/5/2022 HydroCAD® 10.20-2d_s/n 08640_© 2021 HydroCAD Software Solutions LLC Pond 3P: Basin A Hydrograph Inflow Area=0.669 ac Peak Elev=625.54" Storage=3,691 cf Flow (os) © 2 4 6 © 1012 14 10 8 20 22 24 26.28 30.92 94 96 38 40 42 44 40 40 50 52 54 56 56.00 02 64 GO 63.70.72 ‘Timo (hours) Pond 3P: Basin A Stage-Discharge Elevation (feet) cor 0 G08 01 O18 02 O25 03 O55 04 O48 05 O55 08 08S OF OFS O8 OBS 09 Discharge (cfs) 30