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HomeMy WebLinkAboutWPO202200038 Calculations 2022-09-14 (15)ss Post #1 5P Fo bay 1 ca 19 4P 142C - Diversion 12$ Post#1-Rears SWM#1 4S DA - SB\ \ 1sS RAN -Cu t5ac DA -Yards 2P 11S\ 6P ca b S62-SW M #2 1 SB3 Rost #5 9P �J 7P 146- Diversion Forebay 3 SWIM #3 146 bypass 10S Post #4 8P SWM #4 - Rte. 250 Subcat Reach Aon Llnk breezy hill Prepared by HP Inc. Project Notes Rainfall events imported from "Dunlora WPO-SWM1.hcp" Printed 9/7/2022 breezy hill Prepared by HP Inc. Area Listing (all nodes) Area CN Description (acres) (subcatchment-numbers) 8.230 84 (4S) 30.580 82 (6S, 11 S, 18S) 12.560 80 (10S, 12S) 1.330 94 (16S) 52.700 82 TOTAL AREA Printed 9/7/2022 breezy hill Type 1124-hr 1"WQVRainta11=1.00" Prepared by HP Inc. Printed 9/7/2022 HydroCAD®10.10-7c s/n 08126 ©2022 HydroCAD Software Solutions LLC Paae 4 Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points Runoff by SCS TR-20 method, UH=SCS, Weighted-CN Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment 4S: DA -Yards Runoff Area=8.230 ac 0.00% Impervious Runoff Depth>0.15" Tc=8.0 min CN=84 Runoff=1.62 cfs 0.104 of Subcatchment 6S: Post #1 Runoff Area=13.800 ac 0.00% Impervious Runoff Depth>0.11" Flow Length=950' Tc=12.1 min CN=82 Runoff=1.36 cfs 0.131 of Subcatchment 10S: Post #4 Runoff Area=6.040 ac 0.00% Impervious Runoff Depth>0.08" Flow Length=450' Tc=12.0 min CN=80 Runoff=0.31 cfs 0.042 of Subcatchment 11S: Post #3 Runoff Area=10.680 ac 0.00% Impervious Runoff Depth>0.11" Tc=8.0 min CN=82 Runoff=1.30 cfs 0.101 of Subcatchment 12S: DA - SB3 Runoff Area=6.520 ac 0.00% Impervious Runoff Depth>0.08" Tc=8.0 min CN=80 Runoff=0.43 cfs 0.045 of Subcatchment 16S: R/W -Cul-de-sac Runoff Area=1.330 ac 0.00% Impervious Runoff Depth>0.50" Tc=8.0 min CN=94 Runoff=1.10 cfs 0.056 of Subcatchment 18S: Post #1-Rears Runoff Area=6.100 ac 0.00% Impervious Runoff Depth>0.11" Flow Length=950' Tc=7.9 min CN=82 Runoff=0.74 cfs 0.058 of Reach 22R: 146 bypass Avg. Flow Depth=0.00' Max Vet=0.00 fps Inflow=0.00 cfs 0.000 of n=0.050 L=80.0' S=0.13757 Capacity=49.94 cfs Outflow=0.00 cfs 0.000 of Pond 2P: SB3 Peak EIev=386.00' Storage=13,788 cf Inflow=0.43 cfs 0.045 of Primary=0.36 cfs 0.127 of Secondary=0.00 cfs 0.000 of Outflow=0.36 cfs 0.127 of Pond 4P: SWM #1 Peak EIev=357.63' Storage=46,561 cf Inflow=0.77 cfs 0.178 of Primary=0.19 cfs 0.138 of Secondary=0.00 cfs 0.000 of Outflow=0.19 cfs 0.138 of Pond 5P: Forebay 1 Peak EIev=360.49' Storage=8,922 cf Inflow=1.36 cfs 0.131 of Outflow=0.34 cfs 0.120 of Pond 6P: SB2-SWM #2 Peak EIev=346.07' Storage=377 cf Inflow=1.62 cfs 0.104 of Outflow=1.18 cfs 0.104 of Pond 7P: SWM #3 Peak EIev=368.73' Storage=100,678 cf Inflow=1.04 cfs 0.226 of Primary=0.42 cfs 0.224 of Secondary=0.00 cfs 0.000 of Outflow=0.42 cfs 0.224 of Pond 8P: SWM #4 - Rte. 250 Peak EIev=370.46' Storage=28,117 cf Inflow=0.31 cfs 0.042 of Primary=0.04 cfs 0.030 of Secondary=0.00 cfs 0.000 of Outflow=0.04 cfs 0.030 of Pond 9P: Forebay 3 Peak EIev=375.32' Storage=3,717 cf Inflow=1.31 cfs 0.228 of Primary=1.04 cfs 0.226 of Secondary=0.00 cfs 0.000 of Outflow=1.04 cfs 0.226 of Pond 19P: 142C - Diversion Peak EIev=331.24' Inflow=0.19 cfs 0.138 of Primary=0.19 cfs 0.138 of Secondary=0.00 cfs 0.000 of Outflow=0.19 cfs 0.138 of breezy hill Prepared by HP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Pond 21P: 146 -Diversion Peak Elev=322.63' Inflow=2.02 cfs 0.159 of Primary=2.02 cfs 0.159 of Secondary=0.00 cfs 0.000 of Outflow=2.02 cfs 0.159 of Total Runoff Area = 52.700 ac Runoff Volume = 0.536 of Average Runoff Depth = 0.12" 100.00% Pervious = 52.700 ac 0.00% Impervious = 0.000 ac breezy hill Prepared by HP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Subcatchment 4S: DA - Yards Runoff = 1.62 cfs @ 12.02 hrs, Volume= 0.104 af, Depth> 0.15" Routed to Pond 6P : SB2-SWM #2 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1"WQV Rainfall=1.00" Area (ac) CN Description 8.230 84 8.230 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-N If--+% iwiwl Iffl % I_fv \ HE Direct Entry, Subcatchment 4S: DA - Yards Hydrograph 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) A Runoff breezy hill Prepared by HP Inc. Type 1124-hr 1 "WQV Ralnfa11=1.00" Printed 9/7/2022 Summary for Subcatchment 6S: Post #1 Runoff = 1.36 cfs @ 12.08 hrs, Volume= 0.131 af, Depth> 0.11" Routed to Pond 5P : Forebay 1 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1"WQV Rainfall=1.00" Area (ac) CN Description 13.800 82 13.800 100.00% Pervious Area Tc Length Slope Velocity Capacity Description 9.8 75 0.0250 0.13 Sheet Flow, Grass: Dense n= 0.240 P2= 3.59" 1.7 325 0.2000 3.13 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.6 550 0.2000 14.52 14.52 Channel Flow, Area= 1.0 sf Perim= 3.0' r= 0.33' n= 0.022 Earth, clean & straight 12.1 950 Total Subcatchment 6S: Post #1 Hydrograph 9 Runoff 9 1 2 3 4 5 6 7 8 9 19 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Subcatchment 10S: Post #4 Runoff = 0.31 cfs @ 12.10 hrs, Volume= 0.042 af, Depth> 0.08" Routed to Pond 8P : SWM #4 - Rte. 250 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1"WQV Rainfall=1.00" Area (ac) CN Description 6.040 80 6.040 100.00% Pervious Area Tc Length Slope Velocity Capacity Description 9.7 150 0.0400 0.26 Sheet Flow, Grass: Short n= 0.150 P2= 3.59" 2.3 300 0.1000 2.21 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fos 12.0 450 Total Subcatchment 10S: Post #4 Hydrograph Time (hours) ■ Runoff breezy hill Prepared by HP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Subcatchment 11S: Post #3 Runoff = 1.30 cfs @ 12.03 hrs, Volume= 0.101 af, Depth> 0.11" Routed to Pond 9P : Forebay 3 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1"WQV Rainfall=1.00" Area (ac) CN Description 10.680 82 10.680 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-N If--+% iwiwl Iffl % I_fv \ M Direct Entry, Subcatchment 11 S: Post #3 Hydrograph 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) A Runoff breezy hill Prepared by HP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Subcatchment 12S: DA - SB3 Runoff = 0.43 cfs @ 12.05 hrs, Volume= 0.045 af, Depth> 0.08" Routed to Pond 2P : S133 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1"WQV Rainfall=1.00" Area (ac) CN Description ' 6.520 80 6.520 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-N If--+% iwiwl Iffl % I_fv \ M 0.46 0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Direct Entry, Subcatchment 12S: DA - SB3 Hydrograph OWN •: 1 = MMMMM llll�llll�llll�llll�llll� _ MMMMMMMM / �� mom 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Ruiroff breezy hill Prepared by HP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Subcatchment 16S: R/W - Cul-de-sac Runoff = 1.10 cfs @ 12.00 hrs, Volume= 0.056 af, Depth> 0.50" Routed to Pond 21 P : 146 - Diversion Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1"WQV Rainfall=1.00" Area (ac) CN Description 1.330 94 1.330 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-N If--+% iwiwl Iffl % i..v�1 8.0 Direct Entry, r Subcatchment 16S: R/W - Cul-de-sac Hydrograph Type II 24-hr 1"WQV Rainfall=1.00" Runoff Area=1.330 ac Runoff Volume=0.056 of Runoff Depth>0.50" Tc=8.0 min CN=94 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ❑ RunoH breezy hill Prepared by HP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Subcatchment 18S: Post #1-Rears Runoff = 0.74 cfs @ 12.03 hrs, Volume= 0.058 af, Depth> 0.11" Routed to Pond 4P : SWM #1 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1"WQV Rainfall=1.00" Area (ac) CN Description 6.100 82 6.100 100.00% Pervious Area Tc Length Slope Velocity Capacity Description 5.6 75 0.1000 0.22 Sheet Flow, Grass: Dense n= 0.240 P2= 3.59" 1.7 325 0.2000 3.13 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.6 550 0.2000 14.52 14.52 Channel Flow, Area= 1.0 sf Perim= 3.0' r= 0.33' n= 0.022 Earth, clean & straight 7.9 950 Total Subcatchment 18S: Post #1-Rears Hydrograph 075 Type II 24-hr 0.7- 0.65- ' 1"WQV Rainfall=1.00" 06 Runoff Area=6.100 ac 0.55 Runoff Volume=0.058 of 0.5 0.45 Runoff Depth>0.11" ° 04 0.351 Flow Length=950' — .3 0.3 Tc=7.9 min Q 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Rurgff breezy hill Prepared by HP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Reach 22R: 146 bypass [81] Warning: Exceeded Pond 21P by 5.15' @ 0.00 hrs Inflow = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Outflow = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Max. Velocity= 0.00 fps, Min. Travel Time= 0.0 min Avg. Velocity = 0.00 fps, Avg. Travel Time= 0.0 min Peak Storage= 0 cf @ 0.00 hrs Average Depth at Peak Storage= 0.00' Bank -Full Depth= 1.25' Flow Area= 5.9 sf, Capacity= 49.94 cfs 1.00' x 1.25' deep channel, n= 0.050 Side Slope Z-value= 3.0 '/' Top Width= 8.50' Length= 80.0' Slope= 0.1375 '/' Inlet Invert= 326.00', Outlet Invert= 315.00' Reach 22R: 146 bypass Hydrograph ■ Inflow ❑ Outflow 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HIP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Pond 2P: S133 Inflow Area = 6.520 ac, 0.00% Impervious, Inflow Depth > 0.08" for 1"WQV event Inflow = 0.43 cfs @ 12.05 hrs, Volume= 0.045 of Outflow = 0.36 cfs @ 0.00 hrs, Volume= 0.127 af, Atten= 14%, Lag= 0.0 min Primary = 0.36 cfs @ 0.00 hrs, Volume= 0.127 of Routed to Pond 9P : Forebay 3 Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routed to Pond 9P : Forebay 3 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 386.00' Surf.Area= 4,504 sf Storage= 13,788 cf Peak Elev= 386.00' @ 0.00 hrs Surf.Area= 4,504 sf Storage= 13,788 cf Plug -Flow detention time= (not calculated: initial storage exceeds outflow) Center -of -Mass det. time= (not calculated: outflow precedes inflow) Volume Invert Avail.Storage Storage Description #1 382.00' 36,637 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 382.00 2,440 0 0 384.00 3,422 5,862 5,862 386.00 4,504 7,926 13,788 388.00 5,687 10,191 23,979 390.00 6,971 12,658 36,637 Device Routing Invert Outlet Devices #1 Primary 382.00' 24.0" Round Culvert L= 45.0' RCP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 382.00' / 380.00' S= 0.0444'/' Cc= 0.900 n= 0.013, Flow Area= 3.14 sf #2 Device 1 387.22' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 388.50' 12.0' long + 3.0'/' SideZ x 12.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64 #4 Device 1 385.08' 4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=0.36 cfs @ 0.00 hrs HW=386.00' (Free Discharge) L1=Culvert (Passes 0.36 cfs of 26.20 cfs potential flow) 2=Orifice/Grate ( Controls 0.00 cfs) =Orifice/Grate (Orifice Controls 0.36 cfs @ 4.18 fps) Londary OutFlow Max=0.00 cfs @ 0.00 hrs HW=386.00' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 2P: SB3 Hydrograph Type // 24-hr 1'WQV Rainfall= 1. 00" Printed 9/7/2022 ■ Inflow ■ Oudiow ■ Primary ■ Secondary 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HIP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Pond 4P: SWM #1 [79] Warning: Submerged Pond 5P Primary device # 1 OUTLET by 5.63' Inflow Area = 19.900 ac, 0.00% Impervious, Inflow Depth > 0.11" for 1"WQV event Inflow = 0.77 cfs @ 12.04 hrs, Volume= 0.178 of Outflow = 0.19 cfs @ 15.36 hrs, Volume= 0.138 af, Atten= 75%, Lag= 199.7 min Primary = 0.19 cfs @ 15.36 hrs, Volume= 0.138 of Routed to Pond 19P : 142C - Diversion Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 2 Starting Elev= 357.50' Surf.Area= 18,648 sf Storage= 43,969 cf Peak Elev= 357.63' @ 15.36 hrs Surf.Area= 20,411 sf Storage= 46,561 cf (2,592 cf above start) Plug -Flow detention time= (not calculated: initial storage exceeds outflow) Center -of -Mass det. time= 111.5 min ( 1,070.8 - 959.3 ) Volume Invert Avail.Storage Storage Description #1 354.00' 111,017 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 354.00 7,073 0 0 355.00 10,030 8,552 8,552 356.00 13,133 11,582 20,133 357.50 18,648 23,836 43,969 358.00 25,291 10,985 54,954 359.00 28,006 26,649 81,602 360.00 30,823 29,415 111,017 Device Routing Invert Outlet Devices #1 Primary 348.00' 24.0" Round Culvert L= 65.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 348.00' / 340.20' S= 0.1200 '/' Cc= 0.900 n= 0.025, Flow Area= 3.14 sf #2 Device 1 357.50' 60.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 358.75' 6.0' long + 3.0'/' SideZ x 30.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=0.18 cfs @ 15.36 hrs HW=357.63' (Free Discharge) t1=Culvert (Passes 0.18 cfs of 48.94 cfs potential flow) t2=Orifice/Grate (Orifice Controls 0.18 cfs @ 1.24 fps) Londary OutFlow Max=0.00 cfs @ 0.00 hrs HW=357.50' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 4P: SWM #1 Hydrograph Type Il 24-hr 1 "WQV Rainfa& 1.00" Printed 9/7/2022 ❑ Inflow ❑ Outflow ❑ Primary ❑ Secondary 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Pond 5P: Forebay 1 Inflow Area = 13.800 ac, 0.00% Impervious, Inflow Depth > 0.11" for 1"WQV event Inflow = 1.36 cfs @ 12.08 hrs, Volume= 0.131 of Outflow = 0.34 cfs @ 12.57 hrs, Volume= 0.120 af, Atten= 75%, Lag= 29.0 min Primary = 0.34 cfs @ 12.57 hrs, Volume= 0.120 of Routed to Pond 4P : SWM #1 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Starting Elev= 360.30' Surf.Area= 5,747 sf Storage= 7,776 cf Peak Elev= 360.49' @ 12.57 hrs Surf.Area= 6,074 sf Storage= 8,922 cf (1,146 cf above start) Plug -Flow detention time= (not calculated: initial storage exceeds outflow) Center -of -Mass det. time= 44.6 min ( 974.7 - 930.0 ) Volume Invert Avail.Storage Storage Description #1 358.00' 42,018 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 358.00 1,765 0 0 359.00 2,625 2,195 2,195 360.00 5,241 3,933 6,128 361.00 6,928 6,085 12,213 362.00 8,999 7,964 20,176 363.00 10,901 9,950 30,126 364.00 12,883 11,892 42,018 Device Routing Invert Outlet Devices #1 Primary 358.00' 18.0" Round Culvert X 2.00 L= 68.0' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 358.00' / 352.00' S= 0.0882 '/' Cc= 0.900 n= 0.025, Flow Area= 1.77 sf #2 Device 1 360.30' 48.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=0.34 cfs @ 12.57 hrs HW=360.49' (Free Discharge) t1=Culvert (Passes 0.34 cfs of 28.09 cfs potential flow) t2=Orifice/Grate (Orifice Controls 0.34 cfs @ 1.50 fps) breezy hill Prepared by HP Inc. r Type // 24-hr 1'WQV Rainfall= 1. 00" Printed 9/7/2022 Pond 5P: Forebay 1 Hydrograph 1 1 2 3 4 5 6 7 8 9 10 Time (houm) ■ Inflow ■ Primary breezy hill Prepared by HP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Pond 6P: SB2-SWM #2 [44] Hint: Outlet device #2 is below defined storage Inflow Area = 8.230 ac, 0.00% Impervious, Inflow Depth > 0.15" for 1"WQV event Inflow = 1.62 cfs @ 12.02 hrs, Volume= 0.104 of Outflow = 1.18 cfs @ 12.09 hrs, Volume= 0.104 af, Atten= 27%, Lag= 4.2 min Primary = 1.18 cfs @ 12.09 hrs, Volume= 0.104 of Routed to Pond 21 P : 146 - Diversion Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 346.07' @ 12.09 hrs Surf.Area= 5,819 sf Storage= 377 cf Plug -Flow detention time= 5.3 min calculated for 0.103 of (100% of inflow) Center -of -Mass det. time= 3.8 min ( 911.1 - 907.3 ) Volume Invert Avail.Storage Storage Description #1 346.00' 56,746 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 346.00 5,778 0 0 348.00 7,037 12,815 12,815 350.00 8,397 15,434 28,249 352.00 9,858 18,255 46,504 353.00 10,626 10,242 56,746 Device Routing Invert Outlet Devices #1 Primary 340.00' 24.0" Round Culvert L= 70.0' RCP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 340.00' / 337.00' S= 0.0429 '/' Cc= 0.900 n= 0.013, Flow Area= 3.14 sf #2 Device 1 344.00' 6.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Device 1 348.30' 4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Device 1 350.00' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads MPrimary OutFlow Max=1.27 cfs @ 12.09 hrs HW=346.06' (Free Discharge) L1=Culvert (Passes 1.27 cfs of 34.04 cfs potential flow) 2=Orifice/Grate (Orifice Controls 1.27 cfs @ 6.48 fps) 3=Orifice/Grate ( Controls 0.00 cfs) =Orifice/Grate ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 6P: SB2-SWM #2 Hydrograph Time (hours) Type Il 24-hr 1 "WQV Rainfa& 1.00" Printed 9/7/2022 ❑ Inflow ❑ Primary breezy hill Prepared by HIP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Summary for Pond 7P: SWM #3 [79] Warning: Submerged Pond 9P Primary device # 1 INLET by 0.23' Printed 9/7/2022 Inflow Area = 17.200 ac, 0.00% Impervious, Inflow Depth > 0.16" for 1"WQV event Inflow = 1.04 cfs @ 12.09 hrs, Volume= 0.226 of Outflow = 0.42 cfs @ 12.35 hrs, Volume= 0.224 af, Atten= 60%, Lag= 16.1 min Primary = 0.42 cfs @ 12.35 hrs, Volume= 0.224 of Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 368.70' Surf.Area= 24,182 sf Storage= 100,057 cf Peak Elev= 368.73' @ 12.35 hrs Surf.Area= 24,216 sf Storage= 100,678 cf (621 cf above start) Plug -Flow detention time= (not calculated: initial storage exceeds outflow) Center -of -Mass det. time= 16.4 min (665.9 - 649.4 ) Volume Invert Avail.Storage Storage Description #1 364.00' 188,204 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 364.00 18,556 0 0 366.00 20,837 39,393 39,393 368.00 23,232 44,069 83,462 370.00 25,945 49,177 132,639 371.00 27,729 26,837 159,476 372.00 29,727 28,728 188,204 Device Routino Invert Outlet Devices #1 Primary 360.00' 36.0" Round Culvert L= 60.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 360.00' / 358.00' S= 0.0333 '/' Cc= 0.900 n= 0.025, Flow Area= 7.07 sf #2 Device 1 368.70' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 370.50' 8.0' long + 3.0'/' SideZ x 16.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=0.21 cfs @ 12.35 hrs HW=368.73' (Free Discharge) L1=Culvert (Passes 0.21 cfs of 95.76 cfs potential flow) t2=Orifice/Grate (Weir Controls 0.21 cfs @ 0.52 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=368.70' (Free Discharge) t3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 7P: SWM #3 Hydrograph Type Il 24-hr 1 "WQV Rainfa& 1.00" Printed 9/7/2022 ■ Inflow ❑ Outflow ❑ Primary ❑ Secondary 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HIP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Summary for Pond 8P: SWM #4 - Rte. 250 Printed 9/7/2022 Inflow Area = 6.040 ac, 0.00% Impervious, Inflow Depth > 0.08" for 1"WQV event Inflow = 0.31 cfs @ 12.10 hrs, Volume= 0.042 of Outflow = 0.04 cfs @ 15.35 hrs, Volume= 0.030 af, Atten= 87%, Lag= 194.8 min Primary = 0.04 cfs @ 15.35 hrs, Volume= 0.030 of Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Starting Elev= 370.40' Surf.Area= 11,191 sf Storage= 27,481 cf Peak Elev= 370.46' @ 15.35 hrs Surf.Area= 11,325 sf Storage= 28,117 cf (636 cf above start) Plug -Flow detention time= (not calculated: initial storage exceeds outflow) Center -of -Mass det. time= 115.0 min ( 1,068.9 - 953.9 ) Volume Invert Avail.Storage Storage Description #1 367.00' 56,190 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 367.00 5,321 0 0 368.00 6,861 6,091 6,091 370.00 10,242 17,103 23,194 372.00 14,986 25,228 48,422 372.50 16,086 7,768 56,190 Device Routino Invert Outlet Devices #1 Primary 360.50' 24.0" Round Culvert L= 115.0' Box, headwall w/3 rounded edges, Ke= 0.200 Inlet / Outlet Invert= 360.50' / 360.00' S= 0.0043 '/' Cc= 0.900 n= 0.025 Corrugated metal, Flow Area= 3.14 sf #2 Device 1 370.40' 60.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 372.00' 8.0' long + 3.0'/' SideZ x 12.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64 Primary OutFlow Max=0.03 cfs @ 15.35 hrs HW=370.46' (Free Discharge) t1=Culvert (Passes 0.03 cfs of 28.76 cfs potential flow) L2=Orifice/Grate (Orifice Controls 0.03 cfs @ 0.81 fps) $ condary OutFlow Max=0.00 cfs @ 0.00 hrs HW=370.40' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Type Il 24-hr 1 "WQV Rainfa& 1.00" Printed 9/7/2022 Pond 8P: SWM #4 - Rte. 250 Hydrograph ❑ Inflow ❑ Outflow ❑ Primary ❑ Secondary 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HIP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Pond 9P: Forebay 3 Inflow Area = 17.200 ac, 0.00% Impervious, Inflow Depth > 0.16" for VWQV event Inflow = 1.31 cfs @ 12.03 hrs, Volume= 0.228 of Outflow = 1.04 cfs @ 12.09 hrs, Volume= 0.226 af, Atten= 20%, Lag= 3.3 min Primary = 1.04 cfs @ 12.09 hrs, Volume= 0.226 of Routed to Pond 7P : SWM #3 Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routed to Pond 7P : SWIM #3 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 375.25' Surf.Area= 3,369 sf Storage= 3,465 cf Peak Elev= 375.32' @ 12.08 hrs Surf.Area= 3,445 sf Storage= 3,717 cf (252 cf above start) Plug -Flow detention time= 546.8 min calculated for 0.146 of (64% of inflow) Center -of -Mass det. time= 4.7 min ( 649.4 - 644.7) Volume Invert Avail.Storage Storage Description #1 374.00' 34,803 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 374.00 2,195 0 0 375.00 3,114 2,655 2,655 376.00 4,135 3,625 6,279 378.00 7,619 11,754 18,033 380.00 9,151 16,770 34,803 Device Routing Invert Outlet Devices #1 Primary 368.50' 24.0" Round Culvert X 2.00 L= 50.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 368.50' / 368.00' S= 0.0100 '/' Cc= 0.900 n= 0.025, Flow Area= 3.14 sf #2 Device 1 375.25' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 379.00' 16.0' long + 3.0'/' SideZ x 16.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=1.01 cfs @ 12.09 hrs HW=375.32' (Free Discharge) t1=Culvert (Passes 1.01 cfs of 63.05 cfs potential flow) L2=Orifice/Grate (Weir Controls 1.01 cfs @ 0.88 fps) $econdary OutFlow Max=0.00 cfs @ 0.00 hrs HW=375.25' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 9P: Forebay 3 Hydrograph Type Il 24-hr 1 "WQV Rainfa& 1.00" Printed 9/7/2022 IA 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type I124-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Pond 19P: 142C - Diversion [57] Hint: Peaked at 331.24' (Flood elevation advised) Inflow Area = 19.900 ac, 0.00% Impervious, Inflow Depth > 0.08" for 1"WQV event Inflow = 0.19 cfs @ 15.36 hrs, Volume= 0.138 of Outflow = 0.19 cfs @ 15.36 hrs, Volume= 0.138 af, Atten= 0%, Lag= 0.0 min Primary = 0.19 cfs @ 15.36 hrs, Volume= 0.138 of Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 331.24' @ 15.36 hrs Device Routino Invert Outlet Devices #1 Primary 331.00' 12.0" Round Outlet to 42B-Level Spreader L= 278.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 331.00' / 324.20' S= 0.0245 '/' Cc= 0.900 n= 0.013, Flow Area= 0.79 sf #2 Device 1 331.00' 8.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 339.00' 36.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=0.19 cfs @ 15.36 hrs HW=331.24' (Free Discharge) L1=Outlet to 426-Level Spreader (Passes 0.19 cfs of 0.33 cfs potential flow) t2=Orifice/Grate (Orifice Controls 0.19 cfs @ 1.67 fps) SecondaryOutFlow Max=0.00 cfs @ 0.00 hrs HW=331.00' (Free Discharge) t3=Orifice/Grate ( Controls 0.00 cfs) Pond 19P: 142C - Diversion Hydrograph 7 Inflow Outflow ❑ Primary ❑ Secondary Time (hours) breezy hill Prepared by HP Inc. Type Il 24-hr 1 "WQV Rainfa11=1.00" Printed 9/7/2022 Summary for Pond 21 P: 146 - Diversion [57] Hint: Peaked at 322.63' (Flood elevation advised) Inflow Area = 9.560 ac, 0.00% Impervious, Inflow Depth > 0.20" for 1"WQV event Inflow = 2.02 cfs @ 12.04 hrs, Volume= 0.159 of Outflow = 2.02 cfs @ 12.04 hrs, Volume= 0.159 af, Atten= 0%, Lag= 0.0 min Primary = 2.02 cfs @ 12.04 hrs, Volume= 0.159 of Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routed to Reach 22R : 146 bypass Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 322.63' @ 12.04 hrs Device Routing Invert Outlet Devices #1 Primary 320.85' 12.0" Round Level Spreader Diversion L= 64.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 320.85' / 320.10' S= 0.0117 '/' Cc= 0.900 n= 0.013, Flow Area= 0.79 sf #2 Device 1 320.85' 8.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 322.65' 48.0" Vert. By -Pass Oriface C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=1.99 cfs @ 12.04 hrs HW=322.59' (Free Discharge) t1=Level Spreader Diversion (Passes 1.99 cfs of 4.36 cfs potential flow) L2=Orifice/Grate (Orifice Controls 1.99 cfs @ 5.70 fps) $ condary OutFlow Max=0.00 cfs @ 0.00 hrs HW=320.85' (Free Discharge) 3=By-Pass Oriface ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. r Type Il 24-hr 1 "WQV Rainfa& 1.00" Printed 9/7/2022 Pond 21 P: 146 - Diversion Hydrograph Inflow 'Area=9.E Peak Elev=322. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Time (hours) 24 ■ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Type // 24-hr 1-yr Rainfall=2.97" Prepared by HP Inc. Printed 9/7/2022 HvdroCAD®10.10-7c s/n 08126 ©2022 HvdroCAD Software Solutions LLC Paoe 31 Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points Runoff by SCS TR-20 method, UH=SCS, Weighted-CN Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment 4S: DA -Yards Runoff Area=8.230 ac 0.00% Impervious Runoff Depth>1.49" Tc=8.0 min CN=84 Runoff=20.09 cfs 1.021 of Subcatchment 6S: Post #1 Runoff Area=13.800 ac 0.00% Impervious Runoff Depth>1.35" Flow Length=950' Tc=12.1 min CN=82 Runoff=26.45 cfs 1.554 of Subcatchment 10S: Post #4 Runoff Area=6.040 ac 0.00% Impervious Runoff Depth>1.22" Flow Length=450' Tc=12.0 min CN=80 Runoff=10.47 cfs 0.616 of Subcatchment 11S: Post #3 Runoff Area=10.680 ac 0.00% Impervious Runoff Depth>1.35" Tc=8.0 min CN=82 Runoff=23.72 cfs 1.204 of Subcatchment 12S: DA - SB3 Runoff Area=6.520 ac 0.00% Impervious Runoff Depth>1.23" Tc=8.0 min CN=80 Runoff=13.09 cfs 0.666 of Subcatchment 16S: R/W -Cul-de-sac Runoff Area=1.330 ac 0.00% Impervious Runoff Depth>2.32" Tc=8.0 min CN=94 Runoff=4.74 cfs 0.257 of Subcatchment 18S: Post #1-Rears Runoff Area=6.100 ac 0.00% Impervious Runoff Depth>1.35" Flow Length=950' Tc=7.9 min CN=82 Runoff=13.60 cfs 0.688 of Reach 22R: 146 bypass Avg. Flow Depth=0.41' Max Vet=4.40 fps Inflow=3.98 cfs 0.107 of n=0.050 L=80.0' S=0.1375 7 Capacity=49.94 cfs Outflow=3.91 cfs 0.107 of Pond 2P: SB3 Peak Elev=387.41' Storage=20,747 cf Inflow=13.09 cfs 0.666 of Primary=5.07 cfs 0.696 of Secondary=0.00 cfs 0.000 of Outflow=5.07 cfs 0.696 of Pond 4P: SWM #1 Peak Elev=358.67' Storage=72,461 cf Inflow=28.33 cfs 2.214 of Primary=12.84 cfs 2.105 of Secondary=0.00 cfs 0.000 of Outflow=12.84 cfs 2.105 of Pond 5P: Forebay 1 Peak Elev=361.91' Storage=19,333 cf Inflow=26.45 cfs 1.554 of Outflow=20.33 cfs 1.527 of Pond 6P: SB2-SWM #2 Peak Elev=348.63' Storage=17,369 cf Inflow=20.09 cfs 1.021 of Outflow=2.15 cfs 1.020 of Pond 7P: SWM #3 Peak Elev=369.16' Storage=111,227 cf Inflow=23.09 cfs 1.896 of Primary=15.95 cfs 1.875 of Secondary=0.00 cfs 0.000 of Outflow=15.95 cfs 1.875 of Pond 8P: SWM #4 - Rte. 250 Peak EIev=371.08' Storage=35,686 cf Inflow=10.47 cfs 0.616 of Primary=4.56 cfs 0.583 of Secondary=0.00 cfs 0.000 of Outflow=4.56 cfs 0.583 of Pond 9P: Forebay 3 Peak EIev=375.84' Storage=5,617 cf Inflow=24.23 cfs 1.900 of Primary=23.09 cfs 1.896 of Secondary=0.00 cfs 0.000 of Outflow=23.09 cfs 1.896 of Pond 19P: 142C - Diversion Peak EIev=340.06' Inflow=12.84 cfs 2.105 of Primary=4.97 cfs 1.672 of Secondary=7.88 cfs 0.433 of Outflow=12.84 cfs 2.105 of breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Pond 21P: 146 -Diversion Peak Elev=323.33' Inflow=6.44 cfs 1.276 of Primary=2.46 cfs 1.170 of Secondary=3.98 cfs 0.107 of Outflow=6.44 cfs 1.276 of Total Runoff Area = 52.700 ac Runoff Volume = 6.005 of Average Runoff Depth = 1.37" 100.00% Pervious = 52.700 ac 0.00% Impervious = 0.000 ac breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 m--- 10 Summary for Subcatchment 4S: DA - Yards Runoff = 20.09 cfs @ 12.00 hrs, Volume= 1.021 af, Depth> 1.49" Routed to Pond 6P : SB2-SWM #2 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1-yr Rainfall=2.97" Area (ac) CN Description 8.230 84 8.230 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) lfaafl /ft/ftl !ft/carl lrfcl 8.0 Direct Entry, Subcatchment 4S: DA - Yards Hydrograph ❑ RunoN 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Summary for Subcatchment 6S: Post #1 [47] Hint: Peak is 182% of capacity of segment #3 Runoff = 26.45 cfs @ 12.04 hrs, Volume= 1.554 af, Depth> 1.35" Routed to Pond 5P : Forebay 1 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1-yr Rainfall=2.97" Area (ac) CN Description 13.800 82 13.800 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 75 0.0250 0.13 Sheet Flow, Grass: Dense n= 0.240 P2= 3.59" 1.7 325 0.2000 3.13 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.6 550 0.2000 14.52 14.52 Channel Flow, Area= 1.0 sf Perim= 3.0' r= 0.33' n= 0.022 Earth. clean & straiaht 12.1 950 Total Subcatchment 6S: Post #1 Hydrograph Time (hours) ■ Rurwff breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Summary for Subcatchment 10S: Post #4 Runoff = 10.47 cfs @ 12.04 hrs, Volume= 0.616 af, Depth> 1.22" Routed to Pond 8P : SWM #4 - Rte. 250 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1-yr Rainfall=2.97" Area (ac) CN Description 6.040 80 6.040 100.00% Pervious Area Tc Length Slope Velocity Capacity Description 9.7 150 0.0400 0.26 Sheet Flow, Grass: Short n= 0.150 P2= 3.59" 2.3 300 0.1000 2.21 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fos 12.0 450 Total Subcatchment 10S: Post #4 Hydrograph Time (hours) ■ Rurroff breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 n--- Oc Summary for Subcatchment 11S: Post #3 Runoff = 23.72 cfs @ 12.00 hrs, Volume= 1.204 af, Depth> 1.35" Routed to Pond 9P : Forebay 3 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1-yr Rainfall=2.97" Area (ac) CN Description 10.680 82 10.680 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) lfaafl /ft/ftl !ft/carl lrfcl 8.0 Direct Entry, Subcatchment 11 S: Post #3 Hydrograph ❑ ftunoN 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Summary for Subcatchment 12S: DA - SB3 Runoff = 13.09 cfs @ 12.00 hrs, Volume= 0.666 af, Depth> 1.23" Routed to Pond 2P : S133 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1-yr Rainfall=2.97" Area (ac) CN Description 6.520 80 6.520 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-N If--+% iwiwl Iffl o % i..v�1 M 1 0 LL Direct Entry, Subcatchment 12S: DA - SB3 Hydrograph � mmmmmmmmm I ...Type Rainfall=2.97" - .. - . - . ... EMEME0MEMO MEMO.::. MEMO MEMO ■■■■■ M■NE■■MO :MEMO:: :EMEMEMMEEE�� MEMEMEMEME ■E■■■■■■ E ■■NEEEMMK01 1 2 3 4 6 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Runoff breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 I --- 00 Summary for Subcatchment 16S: R/W - Cul-de-sac Runoff = 4.74 cfs @ 11.99 hrs, Volume= 0.257 af, Depth> 2.32" Routed to Pond 21 P : 146 - Diversion Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1-yr Rainfall=2.97" Area (ac) CN Description 1.330 94 1.330 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) lfaafl /ft/ftl (ft/car) lrfcl 8.0 Direct Entry, Subcatchment 16S: R/W - Cul-de-sac Hydrograph ■ Rurwff Type II 24-hr 1^-yr Rainfall=2.97" Runoff Area=1.330 ac Runoff Volume=0.257 of Runoff Depth>2.32" Tc=8.0 min I I CN=94 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Summary for Subcatchment 18S: Post #1-Rears Runoff = 13.60 cfs @ 12.00 hrs, Volume= 0.688 af, Depth> 1.35" Routed to Pond 4P : SWM #1 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 1-yr Rainfall=2.97" Area (ac) CN 6.100 82 6.100 100.00% Pervious Area Tc Length Slope Velocity Capacity Description 5.6 75 0.1000 0.22 Sheet Flow, Grass: Dense n= 0.240 P2= 3.59" 1.7 325 0.2000 3.13 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.6 550 0.2000 14.52 14.52 Channel Flow, Area= 1.0 sf Perim= 3.0' r= 0.33' n= 0.022 Earth, clean & straight 7.9 950 Total Subcatchment 18S: Post #1-Rears Hydrograph ❑ RunoH 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Summary for Reach 22R: 146 bypass [81] Warning: Exceeded Pond 2lP by 5.15' @ 0.00 hrs Inflow = 3.98 cfs @ 11.99 hrs, Volume= 0.107 of Outflow = 3.91 cfs @ 12.00 hrs, Volume= 0.107 af, Atten= 2%, Lag= 0.4 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Max. Velocity= 4.40 fps, Min. Travel Time= 0.3 min Avg. Velocity = 2.01 fps, Avg. Travel Time= 0.7 min Peak Storage= 72 cf @ 12.00 hrs Average Depth at Peak Storage= 0.41' , Surface Width= 3.44' Bank -Full Depth= 1.25' Flow Area= 5.9 sf, Capacity= 49.94 cfs 1.00' x 1.25' deep channel, n= 0.050 Side Slope Z-value= 3.0 T Top Width= 8.50' Length= 80.0' Slope= 0.1375 '/' Inlet Invert= 326.00', Outlet Invert= 315.00' Reach 22R: 146 bypass Hydrograph ■ Inflow ■ outflmll 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HIP Inc. Summary for Pond 2P: S133 Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Inflow Area = 6.520 ac, 0.00% Impervious, Inflow Depth > 1.23" for 1-yr event Inflow = 13.09 cfs @ 12.00 hrs, Volume= 0.666 of Outflow = 5.07 cfs @ 12.14 hrs, Volume= 0.696 af, Atten= 61%, Lag= 8.3 min Primary = 5.07 cfs @ 12.14 hrs, Volume= 0.696 of Routed to Pond 9P : Forebay 3 Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routed to Pond 9P : Forebay 3 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 386.00' Surf.Area= 4,504 sf Storage= 13,788 cf Peak Elev= 387.41' @ 12.14 hrs Surf.Area= 5,340 sf Storage= 20,747 cf (6,959 cf above start) Plug -Flow detention time= 384.0 min calculated for 0.379 of (57% of inflow) Center -of -Mass det. time= 24.6 min ( 868.6 - 844.0 ) Volume Invert Avail.Storage Storage Description #1 382.00' 36,637 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 382.00 2,440 0 0 384.00 3,422 5,862 5,862 386.00 4,504 7,926 13,788 388.00 5,687 10,191 23,979 390.00 6,971 12,658 36,637 Device Routing Invert Outlet Devices #1 Primary 382.00' 24.0" Round Culvert L= 45.0' RCP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 382.00' / 380.00' S= 0.0444'/' Cc= 0.900 n= 0.013, Flow Area= 3.14 sf #2 Device 1 387.22' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 388.50' 12.0' long + 3.0'/' SideZ x 12.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64 #4 Device 1 385.08' 4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=4.86 cfs @ 12.14 hrs HW=387.41' (Free Discharge) L1=Culvert (Passes 4.86 cfs of 31.76 cfs potential flow) 2=Orifice/Grate (Weir Controls 4.24 cfs @ 1.42 fps) =Orifice/Grate (Orifice Controls 0.62 cfs @ 7.08 fps) Londary OutFlow Max=0.00 cfs @ 0.00 hrs HW=386.00' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 2P: SB3 Hydrograph Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 ■■■■■■■■■■l, Anflow - . . ■■■■■E■ENN■I Peak NEON■ . . - MOMMM■■■■■ • 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ❑ Inflow ❑ OutOow ❑ Primary ❑ Secontlary breezy hill Prepared by HP Inc. Summary for Pond 4P: SWM #1 [79] Warning: Submerged Pond 5P Primary device # 1 INLET by 0.67' Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Inflow Area = 19.900 ac, 0.00% Impervious, Inflow Depth > 1.34" for 1-yr event Inflow = 28.33 cfs @ 12.05 hrs, Volume= 2.214 of Outflow = 12.84 cfs @ 12.33 hrs, Volume= 2.105 af, Atten= 55%, Lag= 16.7 min Primary = 12.84 cfs @ 12.33 hrs, Volume= 2.105 of Routed to Pond 19P : 142C - Diversion Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 2 Starting Elev= 357.50' Surf.Area= 18,648 sf Storage= 43,969 cf Peak Elev= 358.67' @ 12.33 hrs Surf.Area= 27,105 sf Storage= 72,461 cf (28,493 cf above start) Plug -Flow detention time= 291.1 min calculated for 1.094 of (49% of inflow) Center -of -Mass det. time= 41.0 min ( 890.1 - 849.1 ) Volume Invert Avail.Storage Storage Description #1 354.00' 111,017 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 354.00 7,073 0 0 355.00 10,030 8,552 8,552 356.00 13,133 11,582 20,133 357.50 18,648 23,836 43,969 358.00 25,291 10,985 54,954 359.00 28,006 26,649 81,602 360.00 30,823 29,415 111,017 Device Routing Invert Outlet Devices #1 Primary 348.00' 24.0" Round Culvert L= 65.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 348.00' / 340.20' S= 0.1200 '/' Cc= 0.900 n= 0.025, Flow Area= 3.14 sf #2 Device 1 357.50' 60.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 358.75' 6.0' long + 3.0'/' SideZ x 30.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=12.81 cfs @ 12.33 hrs HW=358.67' (Free Discharge) t1=Culvert (Passes 12.81 cfs of 50.55 cfs potential flow) t2=Orifice/Grate (Orifice Controls 12.81 cfs @ 3.68 fps) Londary OutFlow Max=0.00 cfs @ 0.00 hrs HW=357.50' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 4P: SWM #1 Hydrograph Time (hours) Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 ❑ Inflow I Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Summary for Pond 5P: Forebay 1 Inflow Area = 13.800 ac, 0.00% Impervious, Inflow Depth > 1.35" for 1-yr event Inflow = 26.45 cfs @ 12.04 hrs, Volume= 1.554 of Outflow = 20.33 cfs @ 12.12 hrs, Volume= 1.527 af, Atten= 23%, Lag= 4.7 min Primary = 20.33 cfs @ 12.12 hrs, Volume= 1.527 of Routed to Pond 4P : SWM #1 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Starting Elev= 360.30' Surf.Area= 5,747 sf Storage= 7,776 cf Peak Elev= 361.91' @ 12.12 hrs Surf.Area= 8,803 sf Storage= 19,333 cf (11,557 cf above start) Plug -Flow detention time= 96.5 min calculated for 1.348 of (87% of inflow) Center -of -Mass det. time= 13.9 min ( 854.4 - 840.5 ) Volume Invert Avail.Storage Storage Description #1 358.00' 42,018 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 358.00 1,765 0 0 359.00 2,625 2,195 2,195 360.00 5,241 3,933 6,128 361.00 6,928 6,085 12,213 362.00 8,999 7,964 20,176 363.00 10,901 9,950 30,126 364.00 12,883 11,892 42,018 Device Routing Invert Outlet Devices #1 Primary 358.00' 18.0" Round Culvert X 2.00 L= 68.0' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 358.00' / 352.00' S= 0.0882 '/' Cc= 0.900 n= 0.025, Flow Area= 1.77 sf #2 Device 1 360.30' 48.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads PrimaryOutFlow Max=19.97 cfs @ 12.12 hrs HW=361.89' (Free Discharge) t1=Culvert (Passes 19.97 cfs of 34.11 cfs potential flow) t2=Orifice/Grate (Orifice Controls 19.97 cfs @ 4.29 fps) breezy hill Prepared by HP Inc. Pond 5P: Forebay 1 Hydrograph Time (hours) Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 ■ Inflow ■ Primary breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Summary for Pond 6P: SB2-SWM #2 [44] Hint: Outlet device #2 is below defined storage Inflow Area = 8.230 ac, 0.00% Impervious, Inflow Depth > 1.49" for 1-yr event Inflow = 20.09 cfs @ 12.00 hrs, Volume= 1.021 of Outflow = 2.15 cfs @ 12.48 hrs, Volume= 1.020 af, Atten= 89%, Lag= 29.2 min Primary = 2.15 cfs @ 12.48 hrs, Volume= 1.020 of Routed to Pond 21 P : 146 - Diversion Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 348.63' @ 12.48 hrs Surf.Area= 7,464 sf Storage= 17,369 cf Plug -Flow detention time= 73.8 min calculated for 1.020 of (100% of inflow) Center -of -Mass det. time= 72.8 min ( 903.4 - 830.6 ) Volume Invert Avail.Storage Storage Description #1 346.00' 56,746 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 346.00 5,778 0 0 348.00 7,037 12,815 12,815 350.00 8,397 15,434 28,249 352.00 9,858 18,255 46,504 353.00 10,626 10,242 56,746 Device Routing Invert Outlet Devices #1 Primary 340.00' 24.0" Round Culvert L= 70.0' RCP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 340.00' / 337.00' S= 0.0429 '/' Cc= 0.900 n= 0.013, Flow Area= 3.14 sf #2 Device 1 344.00' 6.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Device 1 348.30' 4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Device 1 350.00' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads MPrimary OutFlow Max=2.15 cfs @ 12.48 hrs HW=348.63' (Free Discharge) L1=Culvert (Passes 2.15 cfs of 41.78 cfs potential flow) 2=Orifice/Grate (Orifice Controls 1.98 cfs @ 10.07 fps) 3=Orifice/Grate (Orifice Controls 0.17 cfs @ 1.95 fps) =Orifice/Grate ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 6P: SB2-SWM #2 Hydrograph Time (hours) Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 ❑ Inflow UP mary breezy hill Prepared by HIP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Summary for Pond 7P: SWM #3 [79] Warning: Submerged Pond 9P Primary device # 1 INLET by 0.65' Inflow Area = 17.200 ac, 0.00% Impervious, Inflow Depth > 1.32" for 1-yr event Inflow = 23.09 cfs @ 12.01 hrs, Volume= 1.896 of Outflow = 15.95 cfs @ 12.13 hrs, Volume= 1.875 af, Atten= 31%, Lag= 6.8 min Primary = 15.95 cfs @ 12.13 hrs, Volume= 1.875 of Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 368.70' Surf.Area= 24,182 sf Storage= 100,057 cf Peak Elev= 369.16' @ 12.13 hrs Surf.Area= 24,800 sf Storage= 111,227 cf (11,171 cf above start) Plug -Flow detention time= (not calculated: initial storage exceeds outflow) Center -of -Mass det. time= 13.9 min ( 865.0 - 851.2 ) Volume Invert Avail.Storage Storage Description #1 364.00' 188,204 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 364.00 18,556 0 0 366.00 20,837 39,393 39,393 368.00 23,232 44,069 83,462 370.00 25,945 49,177 132,639 371.00 27,729 26,837 159,476 372.00 29,727 28,728 188,204 Device Routino Invert Outlet Devices #1 Primary 360.00' 36.0" Round Culvert L= 60.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 360.00' / 358.00' S= 0.0333 '/' Cc= 0.900 n= 0.025, Flow Area= 7.07 sf #2 Device 1 368.70' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 370.50' 8.0' long + 3.0'/' SideZ x 16.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=15.68 cfs @ 12.13 hrs HW=369.15' (Free Discharge) L1=Culvert (Passes 15.68 cfs of 98.38 cfs potential flow) t2=Orifice/Grate (Weir Controls 15.68 cfs @ 2.20 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=368.70' (Free Discharge) t3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. u 0 Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Pond 7P: SWM #3 Hydrograph ■■■■■ _ ■■■■■■■ `999 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HIP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Summary for Pond 8P: SWM #4 - Rte. 250 Inflow Area = 6.040 ac, 0.00% Impervious, Inflow Depth > 1.22" for 1-yr event Inflow = 10.47 cfs @ 12.04 hrs, Volume= 0.616 of Outflow = 4.56 cfs @ 12.21 hrs, Volume= 0.583 af, Atten= 56%, Lag= 9.8 min Primary = 4.56 cfs @ 12.21 hrs, Volume= 0.583 of Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Starting Elev= 370.40' Surf.Area= 11,191 sf Storage= 27,481 cf Peak Elev= 371.08' @ 12.21 hrs Surf.Area= 12,812 sf Storage= 35,686 cf (8,205 cf above start) Plug -Flow detention time= (not calculated: initial storage exceeds outflow) Center -of -Mass det. time= 37.2 min ( 884.2 - 847.0 ) Volume Invert Avail.Storage Storage Description #1 367.00' 56,190 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 367.00 5,321 0 0 368.00 6,861 6,091 6,091 370.00 10,242 17,103 23,194 372.00 14,986 25,228 48,422 372.50 16,086 7,768 56,190 Device Routino Invert Outlet Devices #1 Primary 360.50' 24.0" Round Culvert L= 115.0' Box, headwall w/3 rounded edges, Ke= 0.200 Inlet / Outlet Invert= 360.50' / 360.00' S= 0.0043 '/' Cc= 0.900 n= 0.025 Corrugated metal, Flow Area= 3.14 sf #2 Device 1 370.40' 60.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 372.00' 8.0' long + 3.0'/' SideZ x 12.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64 Primary OutFlow Max=4.53 cfs @ 12.21 hrs HW=371.08' (Free Discharge) t1=Culvert (Passes 4.53 cfs of 29.80 cfs potential flow) L2=Orifice/Grate (Orifice Controls 4.53 cfs @ 2.81 fps) $ condary OutFlow Max=0.00 cfs @ 0.00 hrs HW=370.40' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 8P: SWM #4 - Rte. 250 Hydrograph Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 ■NNENN ■■■■■■■A■■ E ■ERFIME • ' . Ujai ►3EI 0.61 M.I ■■■■■■ SOME■■■■■ SEE■■■■ ■■ ■■SIMME 1 ■■■■■■■■ ■■ ■n■nn■1M ■■■■■■■■■■ ■■E■■M■■■■ S■■■■■■■■No ■■■■■■■■■R I■■■■■■■■■E ■■■■■ EMS IMEE■■E■■n INNEEMENER IEEE■■ EE■ ■Em■■■n ���� ■■■ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ❑ Inflow J Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Summary for Pond 9P: Forebay 3 Inflow Area = 17.200 ac, 0.00% Impervious, Inflow Depth > 1.33" for 1-yr event Inflow = 24.23 cfs @ 12.00 hrs, Volume= 1.900 of Outflow = 23.09 cfs @ 12.01 hrs, Volume= 1.896 af, Atten= 5%, Lag= 0.9 min Primary = 23.09 cfs @ 12.01 hrs, Volume= 1.896 of Routed to Pond 7P : SWM #3 Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routed to Pond 7P : SWIM #3 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 375.25' Surf.Area= 3,369 sf Storage= 3,465 cf Peak Elev= 375.84' @ 12.01 hrs Surf.Area= 3,968 sf Storage= 5,617 cf (2,152 cf above start) Plug -Flow detention time= 59.4 min calculated for 1.812 of (95% of inflow) Center -of -Mass det. time= 2.3 min ( 851.2 - 848.8 ) Volume Invert Avail.Storage Storage Description #1 374.00' 34,803 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 374.00 2,195 0 0 375.00 3,114 2,655 2,655 376.00 4,135 3,625 6,279 378.00 7,619 11,754 18,033 380.00 9,151 16,770 34,803 Device Routing Invert Outlet Devices #1 Primary 368.50' 24.0" Round Culvert X 2.00 L= 50.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 368.50' / 368.00' S= 0.0100 '/' Cc= 0.900 n= 0.025, Flow Area= 3.14 sf #2 Device 1 375.25' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 379.00' 16.0' long + 3.0'/' SideZ x 16.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=22.50 cfs @ 12.01 hrs HW=375.83' (Free Discharge) t1=Culvert (Passes 22.50 cfs of 65.96 cfs potential flow) L2=Orifice/Grate (Weir Controls 22.50 cfs @ 2.48 fps) $econdary OutFlow Max=0.00 cfs @ 0.00 hrs HW=375.25' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 9P: Forebay 3 Hydrograph Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 ,. mmmmmmllllll® ■■■■■■■ MEN M NNE M r r ■■■■■■ME .■�■�■■■ ■EM■■■■■■. .■�■�■■■ ■■■■■■■■■. .■■■■■■■■■ ■■■■■■■■■, ,■_�■�■■ ■■■■■.■■■, _�_-tilllllll,llll,llll, 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ❑ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Summary for Pond 19P: 142C - Diversion [57] Hint: Peaked at 340.06' (Flood elevation advised) Inflow Area = 19.900 ac, 0.00% Impervious, Inflow Depth > 1.27" for 1-yr event Inflow = 12.84 cfs @ 12.33 hrs, Volume= 2.105 of Outflow = 12.84 cfs @ 12.33 hrs, Volume= 2.105 af, Atten= 0%, Lag= 0.0 min Primary = 4.97 cfs @ 12.33 hrs, Volume= 1.672 of Secondary = 7.88 cfs @ 12.33 hrs, Volume= 0.433 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 340.06' @ 12.33 hrs Device Routino Invert Outlet Devices #1 Primary 331.00' 12.0" Round Outlet to 42B-Level Spreader L= 278.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 331.00' / 324.20' S= 0.0245 '/' Cc= 0.900 n= 0.013, Flow Area= 0.79 sf #2 Device 1 331.00' 8.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 339.00' 36.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=4.97 cfs @ 12.33 hrs HW=340.06' (Free Discharge) L1=Outlet to 426-Level Spreader (Passes 4.97 cfs of 7.75 cfs potential flow) t2=Orifice/Grate (Orifice Controls 4.97 cfs @ 14.22 fps) Secondary OutFlow Max=7.83 cfs @ 12.33 hrs HW=340.06' (Free Discharge) t3=Orifice/Grate (Orifice Controls 7.83 cfs @ 3.51 fps) Pond 19P: 142C - Diversion Hydrograph ❑ Inflow Outflow ❑ Primary ❑ Secondary Time (hours) breezy hill Prepared by HP Inc. Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 Summary for Pond 21 P: 146 - Diversion [57] Hint: Peaked at 323.33' (Flood elevation advised) Inflow Area = 9.560 ac, 0.00% Impervious, Inflow Depth > 1.60" for 1-yr event Inflow = 6.44 cfs @ 11.99 hrs, Volume= 1.276 of Outflow = 6.44 cfs @ 11.99 hrs, Volume= 1.276 af, Atten= 0%, Lag= 0.0 min Primary = 2.46 cfs @ 11.99 hrs, Volume= 1.170 of Secondary = 3.98 cfs @ 11.99 hrs, Volume= 0.107 of Routed to Reach 22R : 146 bypass Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 323.33' @ 11.99 hrs Device Routing Invert Outlet Devices #1 Primary 320.85' 12.0" Round Level Spreader Diversion L= 64.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 320.85' / 320.10' S= 0.0117 '/' Cc= 0.900 n= 0.013, Flow Area= 0.79 sf #2 Device 1 320.85' 8.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 322.65' 48.0" Vert. By -Pass Oriface C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=2.46 cfs @ 11.99 hrs HW=323.32' (Free Discharge) t1=Level Spreader Diversion (Passes 2.46 cfs of 5.33 cfs potential flow) L2=Orifice/Grate (Orifice Controls 2.46 cfs @ 7.04 fps) $ condary OutFlow Max=3.90 cfs @ 11.99 hrs HW=323.32' (Free Discharge) 3=By-Pass Oriface (Orifice Controls 3.90 cfs @ 2.79 fps) breezy hill Prepared by HP Inc. Pond 21 P: 146 - Diversion Hydrograph Type // 24-hr 1-yr Rainfall=2.97" Printed 9/7/2022 r - M INE • • ' ,IN 1111MI IIIINI �����N11-1 11111n11111 ,r O 141111111111 � �MINE 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Type 1124-hr 2-yr Raintall=3.59 " Prepared by HP Inc. Printed 9/7/2022 HydroCAD®10.10-7c s/n 08126 ©2022 HydroCAD Software Solutions LLC Paoe 58 Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points Runoff by SCS TR-20 method, UH=SCS, Weighted-CN Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment 4S: DA -Yards Runoff Area=8.230 ac 0.00% Impervious Runoff Depth>2.01" Tc=8.0 min CN=84 Runoff=26.96 cfs 1.379 of Subcatchment 6S: Post #1 Runoff Area=13.800 ac 0.00% Impervious Runoff Depth>1.85" Flow Length=950' Tc=12.1 min CN=82 Runoff=36.28 cfs 2.130 of Subcatchment 10S: Post #4 Runoff Area=6.040 ac 0.00% Impervious Runoff Depth>1.70" Flow Length=450' Tc=12.0 min CN=80 Runoff=14.65 cfs 0.857 of Subcatchment 11S: Post #3 Runoff Area=10.680 ac 0.00% Impervious Runoff Depth>1.85" Tc=8.0 min CN=82 Runoff=32.42 cfs 1.650 of Subcatchment 12S: DA - SB3 Runoff Area=6.520 ac 0.00% Impervious Runoff Depth>1.70" Tc=8.0 min CN=80 Runoff=18.24 cfs 0.926 of Subcatchment 16S: R/W -Cul-de-sac Runoff Area=1.330 ac 0.00% Impervious Runoff Depth>2.92" Tc=8.0 min CN=94 Runoff=5.88 cfs 0.324 of Subcatchment 18S: Post #1-Rears Runoff Area=6.100 ac 0.00% Impervious Runoff Depth>1.85" Flow Length=950' Tc=7.9 min CN=82 Runoff=18.58 cfs 0.942 of Reach 22R: 146 bypass Avg. Flow Depth=0.46' Max Vet=4.73 fps Inflow=5.21 cfs 0.225 of n=0.050 L=80.0' S=0.1375'/' Capacity=49.94 cfs Outflow=5.14 cfs 0.225 of Pond 2P: SB3 Peak Elev=387.64' Storage=21,973 cf Inflow=18.24 cfs 0.926 of Primary=14.64 cfs 0.932 of Secondary=0.00 cfs 0.000 of Outflow=14.64 cfs 0.932 of Pond 4P: SWM #1 Peak Elev=358.98' Storage=81,105 cf Inflow=40.30 cfs 3.041 of Primary=20.21 cfs 2.875 of Secondary=1.99 cfs 0.043 of Outflow=22.19 cfs 2.918 of Pond 5P: Forebay 1 Peak Elev=362.25' Storage=22,447 cf Inflow=36.28 cfs 2.130 of Outflow=28.81 cfs 2.099 of Pond 6P: SB2-SWM #2 Peak Elev=349.57' Storage=24,676 cf Inflow=26.96 cfs 1.379 of Outflow=2.62 cfs 1.377 of Pond 7P: SWM #3 Peak Elev=369.38' Storage=116,838 cf Inflow=40.46 cfs 2.577 of Primary=29.00 cfs 2.552 of Secondary=0.00 cfs 0.000 of Outflow=29.00 cfs 2.552 of Pond 8P: SWM #4 - Rte. 250 Peak Elev=371.29' Storage=38,331 cf Inflow=14.65 cfs 0.857 of Primary=7.53 cfs 0.821 of Secondary=0.00 cfs 0.000 of Outflow=7.53 cfs 0.821 of Pond 9P: Forebay 3 Peak EIev=376.10' Storage=6,715 cf Inflow=42.01 cfs 2.582 of Primary=40.46 cfs 2.577 of Secondary=0.00 cfs 0.000 of Outflow=40.46 cfs 2.577 of Pond 19P: 142C - Diversion Peak EIev=340.52' Inflow=20.21 cfs 2.875 of Primary=5.09 cfs 1.998 of Secondary=15.11 cfs 0.876 of Outflow=20.21 cfs 2.875 of breezy hill Prepared by HP Inc. Type 11 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Pond 21P: 146 -Diversion Peak Elev=323.43' Inflow=7.73 cfs 1.700 of Primary=2.52 cfs 1.476 of Secondary=5.21 cfs 0.225 of Outflow=7.73 cfs 1.700 of Total Runoff Area = 52.700 ac Runoff Volume = 8.208 of Average Runoff Depth = 1.87" 100.00% Pervious = 52.700 ac 0.00% Impervious = 0.000 ac breezy hill Prepared by HP Inc. Type 11 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Subcatchment 4S: DA - Yards Runoff = 26.96 cfs @ 11.99 hrs, Volume= 1.379 af, Depth> 2.01" Routed to Pond 6P : SB2-SWM #2 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 2-yr Rainfall=3.59" Area (ac) CN Description 8.230 84 8.230 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-1 If--+% iwiwl Iffl % I_fv \ HE Direct Entry, Subcatchment 4S: DA - Yards Hydrograph ❑ ftunoN 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type 11 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Subcatchment 6S: Post #1 [47] Hint: Peak is 250% of capacity of segment #3 Runoff = 36.28 cfs @ 12.04 hrs, Volume= 2.130 af, Depth> 1.85" Routed to Pond 5P : Forebay 1 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 2-yr Rainfall=3.59" Area (ac) CN Description 13.800 82 13.800 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 75 0.0250 0.13 Sheet Flow, Grass: Dense n= 0.240 P2= 3.59" 1.7 325 0.2000 3.13 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.6 550 0.2000 14.52 14.52 Channel Flow, Area= 1.0 sf Perim= 3.0' r= 0.33' n= 0.022 Earth. clean & straiaht 12.1 950 Total 36' 34. 32 30. 28: 26' 24 w 221 3 20 0 18. LL 16 14: 12- 10 8- 6. 4 2 0� 0 Subcatchment 6S: Post #1 Hydrograph .......... i 11 Runoff Area=13.800ac Runoff • i Flow Length=950' ... I I 11 ........ ........ 11 ........ MMMMMMMMMM .......... .......... .......... ...... !e■........... .......... M.M...... MMMMMM 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Runoff breezy hill Prepared by HP Inc. Type 11 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Subcatchment 10S: Post #4 Runoff = 14.65 cfs @ 12.04 hrs, Volume= 0.857 af, Depth> 1.70" Routed to Pond 8P : SWM #4 - Rte. 250 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 2-yr Rainfall=3.59" Area (ac) CN Description ' 6.040 80 6.040 100.00% Pervious Area Tc Length Slope Velocity Capacity Description 9.7 150 0.0400 0.26 Sheet Flow, Grass: Short n= 0.150 P2= 3.59" 2.3 300 0.1000 2.21 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fos 12.0 450 Total 15' 4`. 13- 12 11 10' 9. 0 8 LL 7__ 6: Subcatchment 10S: Post #4 Hydrograph • M ' I ■■■■■■■■■■ e' ■■■ �� ■■■■■■■I� ■■■■■■■I :::::::■ ■■■■■■■ ■■■■■■■ ■■■■■■■MENEM ■■� ►/, 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Ru ff breezy hill Prepared by HP Inc. Type 11 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Subcatchment 11S: Post #3 Runoff = 32.42 cfs @ 11.99 hrs, Volume= 1.650 af, Depth> 1.85" Routed to Pond 9P : Forebay 3 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 2-yr Rainfall=3.59" Area (ac) CN Description 10.680 82 10.680 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-N If--+% (f+MN Iffl o % I_fv \ Direct Entry, Subcatchment 11 S: Post #3 Hydrograph ❑ Runoff 18 LL 1611 Type II 24_ht --- 2-yr Rainfall=3.59 Runoff Area=10.680 ac Runoff Volume=1.650 of Runoff Depth>1.85" ETT7 Tc=8.0 min CN=82 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type 11 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Subcatchment 12S: DA - SB3 Runoff = 18.24 cfs @ 12.00 hrs, Volume= 0.926 af, Depth> 1.70" Routed to Pond 2P : SB3 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 2-yr Rainfall=3.59" Area (ac) CN Description 6.520 80 6.520 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-1 If--+% iwiwl Iffl % I_fv \ 8.0 Direct Entry, Subcatchment 12S: DA - SB3 Hydrograph ■ Runoff 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Subcatchment 16S: R/W - Cul-de-sac Runoff = 5.88 cfs @ 11.99 hrs, Volume= 0.324 af, Depth> 2.92" Routed to Pond 21 P : 146 - Diversion Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 2-yr Rainfall=3.59" Area (ac) CN Description 1.330 94 1.330 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-N If--+% iwiwl Iffl % I_fv \ 8.0 Direct Entry, Subcatchment 16S: R/W - Cul-de-sac Hydrograph ❑ ftunoN 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type 11 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Subcatchment 18S: Post #1-Rears [47] Hint: Peak is 128% of capacity of segment #3 Runoff = 18.58 cfs @ 11.99 hrs, Volume= 0.942 af, Depth> 1.85" Routed to Pond 4P : SWM #1 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 2-yr Rainfall=3.59" Area (ac) CN Description 6.100 82 6.100 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 75 0.1000 0.22 Sheet Flow, Grass: Dense n= 0.240 P2= 3.59" 1.7 325 0.2000 3.13 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.6 550 0.2000 14.52 14.52 Channel Flow, Area= 1.0 sf Perim= 3.0' r= 0.33' n= 0.022 Earth. clean & straiaht 7.9 950 Total 19 18 17 13 x 12 11 Subcatchment 18S: Post #1-Rears Hydrograph --------- Runoff • • . , Runoff • i'j Flow Length--950 Tc=7.9 min 1 MMMMMMMM --------1 -------- MMMMMMMM 0 1 2 3 4 5 6 7 8 9 10 71 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) G Runoff breezy hill Prepared by HP Inc. Type 11 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Reach 22R: 146 bypass [81] Warning: Exceeded Pond 2lP by 5.15' @ 0.00 hrs Inflow = 5.21 cfs @ 12.00 hrs, Volume= 0.225 of Outflow = 5.14 cfs @ 12.00 hrs, Volume= 0.225 af, Atten= 1 %, Lag= 0.4 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Max. Velocity= 4.73 fps, Min. Travel Time= 0.3 min Avg. Velocity = 2.37 fps, Avg. Travel Time= 0.6 min Peak Storage= 88 cf @ 12.00 hrs Average Depth at Peak Storage= 0.46' , Surface Width= 3.77' Bank -Full Depth= 1.25' Flow Area= 5.9 sf, Capacity= 49.94 cfs 1.00' x 1.25' deep channel, n= 0.050 Side Slope Z-value= 3.0 '/' Top Width= 8.50' Length= 80.0' Slope= 0.1375 '/' Inlet Invert= 326.00', Outlet Invert= 315.00' Reach 22R: 146 bypass Hydrograph 1111111110FUU011111111111 111111111 Illlllli��': ��i 11111111111 11!!���!�����1 11 11 1111 111111 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Inflow ■ outflow breezy hill Prepared by HIP Inc. Summary for Pond 2P: S133 Type 11 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Inflow Area = 6.520 ac, 0.00% Impervious, Inflow Depth > 1.70" for 2-yr event Inflow = 18.24 cfs @ 12.00 hrs, Volume= 0.926 of Outflow = 14.64 cfs @ 12.06 hrs, Volume= 0.932 af, Atten= 20%, Lag= 4.0 min Primary = 14.64 cfs @ 12.06 hrs, Volume= 0.932 of Routed to Pond 9P : Forebay 3 Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routed to Pond 9P : Forebay 3 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 386.00' Surf.Area= 4,504 sf Storage= 13,788 cf Peak Elev= 387.64' @ 12.06 hrs Surf.Area= 5,474 sf Storage= 21,973 cf (8,185 cf above start) Plug -Flow detention time= 280.0 min calculated for 0.616 of (66% of inflow) Center -of -Mass det. time= 19.5 min ( 854.0 - 834.5 ) Volume Invert Avail.Storage Storage Description #1 382.00' 36,637 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 382.00 2,440 0 0 384.00 3,422 5,862 5,862 386.00 4,504 7,926 13,788 388.00 5,687 10,191 23,979 390.00 6,971 12,658 36,637 Device Routing Invert Outlet Devices #1 Primary 382.00' 24.0" Round Culvert L= 45.0' RCP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 382.00' / 380.00' S= 0.0444'/' Cc= 0.900 n= 0.013, Flow Area= 3.14 sf #2 Device 1 387.22' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 388.50' 12.0' long + 3.0'/' SideZ x 12.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64 #4 Device 1 385.08' 4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=13.74 cfs @ 12.06 hrs HW=387.62' (Free Discharge) L1=Culvert (Passes 13.74 cfs of 32.52 cfs potential flow) 2=Orifice/Grate (Weir Controls 13.10 cfs @ 2.07 fps) =Orifice/Grate (Orifice Controls 0.65 cfs @ 7.42 fps) Londary OutFlow Max=0.00 cfs @ 0.00 hrs HW=386.00' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 2P: SB3 Hydrograph Time (hours) Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 a ■ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Summary for Pond 4P: SWM #1 [79] Warning: Submerged Pond 5P Primary device # 1 INLET by 0.98' Type 11 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Inflow Area = 19.900 ac, 0.00% Impervious, Inflow Depth > 1.83" for 2-yr event Inflow = 40.30 cfs @ 12.05 hrs, Volume= 3.041 of Outflow = 22.19 cfs @ 12.26 hrs, Volume= 2.918 af, Atten= 45%, Lag= 12.9 min Primary = 20.21 cfs @ 12.26 hrs, Volume= 2.875 of Routed to Pond 19P : 142C - Diversion Secondary = 1.99 cfs @ 12.26 hrs, Volume= 0.043 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 2 Starting Elev= 357.50' Surf.Area= 18,648 sf Storage= 43,969 cf Peak Elev= 358.98' @ 12.26 hrs Surf.Area= 27,958 sf Storage= 81,105 cf (37,136 cf above start) Plug -Flow detention time= 222.0 min calculated for 1.908 of (63% of inflow) Center -of -Mass det. time= 36.3 min ( 875.5 - 839.3 ) Volume Invert Avail.Storage Storage Description #1 354.00' 111,017 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 354.00 7,073 0 0 355.00 10,030 8,552 8,552 356.00 13,133 11,582 20,133 357.50 18,648 23,836 43,969 358.00 25,291 10,985 54,954 359.00 28,006 26,649 81,602 360.00 30,823 29,415 111,017 Device Routing Invert Outlet Devices #1 Primary 348.00' 24.0" Round Culvert L= 65.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 348.00' / 340.20' S= 0.1200 '/' Cc= 0.900 n= 0.025, Flow Area= 3.14 sf #2 Device 1 357.50' 60.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 358.75' 6.0' long + 3.0'/' SideZ x 30.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=20.12 cfs @ 12.26 hrs HW=358.98' (Free Discharge) t1=Culvert (Passes 20.12 cfs of 51.03 cfs potential flow) t2=Orifice/Grate (Orifice Controls 20.12 cfs @ 4.14 fps) Londary OutFlow Max=1.93 cfs @ 12.26 hrs HW=358.98' (Free Discharge) 3=Broad-Crested Rectangular Weir (Weir Controls 1.93 cfs @ 1.26 fps) breezy hill Prepared by HP Inc. Pond 4P: SWM #1 Hydrograph Time (hours) Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 ❑ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type 11 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Pond 5P: Forebay 1 Inflow Area = 13.800 ac, 0.00% Impervious, Inflow Depth > 1.85" for 2-yr event Inflow = 36.28 cfs @ 12.04 hrs, Volume= 2.130 of Outflow = 28.81 cfs @ 12.12 hrs, Volume= 2.099 af, Atten= 21%, Lag= 4.4 min Primary = 28.81 cfs @ 12.12 hrs, Volume= 2.099 of Routed to Pond 4P : SWM #1 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Starting Elev= 360.30' Surf.Area= 5,747 sf Storage= 7,776 cf Peak Elev= 362.25' @ 12.12 hrs Surf.Area= 9,467 sf Storage= 22,447 cf (14,671 cf above start) Plug -Flow detention time= 77.2 min calculated for 1.920 of (90% of inflow) Center -of -Mass det. time= 12.6 min ( 844.2 - 831.5 ) Volume Invert Avail.Storage Storage Description #1 358.00' 42,018 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 358.00 1,765 0 0 359.00 2,625 2,195 2,195 360.00 5,241 3,933 6,128 361.00 6,928 6,085 12,213 362.00 8,999 7,964 20,176 363.00 10,901 9,950 30,126 364.00 12,883 11,892 42,018 Device Routing Invert Outlet Devices #1 Primary 358.00' 18.0" Round Culvert X 2.00 L= 68.0' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 358.00' / 352.00' S= 0.0882 '/' Cc= 0.900 n= 0.025, Flow Area= 1.77 sf #2 Device 1 360.30' 48.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=28.38 cfs @ 12.12 hrs HW=362.23' (Free Discharge) t1=Culvert (Passes 28.38 cfs of 34.80 cfs potential flow) t2=Orifice/Grate (Orifice Controls 28.38 cfs @ 4.73 fps) breezy hill Prepared by HP Inc. 0 LL Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Pond 5P: Forebay 1 Hydrograph EMMM ICJ. � .......... �� .......... .......... ::::::::::. .:::::::::: ..----.---. .-..-.--.. ...........NI ..-....... .... �.�.... 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Inflow ■ Primary breezy hill Prepared by HP Inc. Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Pond 6P: SB2-SWM #2 [44] Hint: Outlet device #2 is below defined storage Inflow Area = 8.230 ac, 0.00% Impervious, Inflow Depth > 2.01" for 2-yr event Inflow = 26.96 cfs @ 11.99 hrs, Volume= 1.379 of Outflow = 2.62 cfs @ 12.51 hrs, Volume= 1.377 af, Atten= 90%, Lag= 31.3 min Primary = 2.62 cfs @ 12.51 hrs, Volume= 1.377 of Routed to Pond 21 P : 146 - Diversion Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 349.57' @ 12.51 hrs Surf.Area= 8,102 sf Storage= 24,676 cf Plug -Flow detention time= 91.9 min calculated for 1.377 of (100% of inflow) Center -of -Mass det. time= 90.9 min ( 913.0 - 822.1 ) Volume Invert Avail.Storage Storage Description #1 346.00' 56,746 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 346.00 5,778 0 0 348.00 7,037 12,815 12,815 350.00 8,397 15,434 28,249 352.00 9,858 18,255 46,504 353.00 10,626 10,242 56,746 Device Routing Invert Outlet Devices #1 Primary 340.00' 24.0" Round Culvert L= 70.0' RCP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 340.00' / 337.00' S= 0.0429 '/' Cc= 0.900 n= 0.013, Flow Area= 3.14 sf #2 Device 1 344.00' 6.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Device 1 348.30' 4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Device 1 350.00' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads MPrimary OutFlow Max=2.62 cfs @ 12.51 hrs HW=349.57' (Free Discharge) L1=Culvert (Passes 2.62 cfs of 44.27 cfs potential flow) 2=Orifice/Grate (Orifice Controls 2.18 cfs @ 11.10 fps) 3=Orifice/Grate (Orifice Controls 0.44 cfs @ 5.05 fps) =Orifice/Grate ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 6P: SB2-SWM #2 Hydrograph Time (hours) Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 ■ Inflow ■ Primary breezy hill Prepared by HIP Inc. Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Pond 7P: SWM #3 [79] Warning: Submerged Pond 9P Primary device # 1 INLET by 0.88' Inflow Area = 17.200 ac, 0.00% Impervious, Inflow Depth > 1.80" for 2-yr event Inflow = 40.46 cfs @ 12.04 hrs, Volume= 2.577 of Outflow = 29.00 cfs @ 12.12 hrs, Volume= 2.552 af, Atten= 28%, Lag= 4.5 min Primary = 29.00 cfs @ 12.12 hrs, Volume= 2.552 of Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 368.70' Surf.Area= 24,182 sf Storage= 100,057 cf Peak Elev= 369.38' @ 12.12 hrs Surf.Area= 25,105 sf Storage= 116,838 cf (16,781 cf above start) Plug -Flow detention time= 831.6 min calculated for 0.255 of (10% of inflow) Center -of -Mass det. time= 12.4 min ( 852.1 - 839.7 ) Volume Invert Avail.Storage Storage Description #1 364.00' 188,204 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 364.00 18,556 0 0 366.00 20,837 39,393 39,393 368.00 23,232 44,069 83,462 370.00 25,945 49,177 132,639 371.00 27,729 26,837 159,476 372.00 29,727 28,728 188,204 Device Routino Invert Outlet Devices #1 Primary 360.00' 36.0" Round Culvert L= 60.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 360.00' / 358.00' S= 0.0333 '/' Cc= 0.900 n= 0.025, Flow Area= 7.07 sf #2 Device 1 368.70' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 370.50' 8.0' long + 3.0'/' SideZ x 16.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=28.30 cfs @ 12.12 hrs HW=369.37' (Free Discharge) L1=Culvert (Passes 28.30 cfs of 99.69 cfs potential flow) t2=Orifice/Grate (Weir Controls 28.30 cfs @ 2.68 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=368.70' (Free Discharge) t3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 7P: SWM #3 Hydrograph Time (hours) Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 ■ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HIP Inc. Type 11 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Pond 8P: SWM #4 - Rte. 250 Inflow Area = 6.040 ac, 0.00% Impervious, Inflow Depth > 1.70" for 2-yr event Inflow = 14.65 cfs @ 12.04 hrs, Volume= 0.857 of Outflow = 7.53 cfs @ 12.18 hrs, Volume= 0.821 af, Atten= 49%, Lag= 8.2 min Primary = 7.53 cfs @ 12.18 hrs, Volume= 0.821 of Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Starting Elev= 370.40' Surf.Area= 11,191 sf Storage= 27,481 cf Peak Elev= 371.29' @ 12.18 hrs Surf.Area= 13,293 sf Storage= 38,331 cf (10,850 cf above start) Plug -Flow detention time= 467.6 min calculated for 0.190 of (22% of inflow) Center -of -Mass det. time= 32.8 min ( 870.3 - 837.5 ) Volume Invert Avail.Storage Storage Description #1 367.00' 56,190 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 367.00 5,321 0 0 368.00 6,861 6,091 6,091 370.00 10,242 17,103 23,194 372.00 14,986 25,228 48,422 372.50 16,086 7,768 56,190 Device Routino Invert Outlet Devices #1 Primary 360.50' 24.0" Round Culvert L= 115.0' Box, headwall w/3 rounded edges, Ke= 0.200 Inlet / Outlet Invert= 360.50' / 360.00' S= 0.0043 '/' Cc= 0.900 n= 0.025 Corrugated metal, Flow Area= 3.14 sf #2 Device 1 370.40' 60.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 372.00' 8.0' long + 3.0'/' SideZ x 12.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64 Primary OutFlow Max=7.48 cfs @ 12.18 hrs HW=371.28' (Free Discharge) t1=Culvert (Passes 7.48 cfs of 30.13 cfs potential flow) L2=Orifice/Grate (Orifice Controls 7.48 cfs @ 3.20 fps) $ condary OutFlow Max=0.00 cfs @ 0.00 hrs HW=370.40' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 8P: SWM #4 - Rte. 250 Hydrograph Time (hours) Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 ❑ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type 11 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Pond 9P: Forebay 3 Inflow Area = 17.200 ac, 0.00% Impervious, Inflow Depth > 1.80" for 2-yr event Inflow = 42.01 cfs @ 12.03 hrs, Volume= 2.582 of Outflow = 40.46 cfs @ 12.04 hrs, Volume= 2.577 af, Atten= 4%, Lag= 0.8 min Primary = 40.46 cfs @ 12.04 hrs, Volume= 2.577 of Routed to Pond 7P : SWM #3 Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routed to Pond 7P : SWIM #3 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 375.25' Surf.Area= 3,369 sf Storage= 3,465 cf Peak Elev= 376.10' @ 12.04 hrs Surf.Area= 4,315 sf Storage= 6,715 cf (3,250 cf above start) Plug -Flow detention time= 44.1 min calculated for 2.492 of (97% of inflow) Center -of -Mass det. time= 2.0 min ( 839.7 - 837.6 ) Volume Invert Avail.Storage Storage Description #1 374.00' 34,803 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 374.00 2,195 0 0 375.00 3,114 2,655 2,655 376.00 4,135 3,625 6,279 378.00 7,619 11,754 18,033 380.00 9,151 16,770 34,803 Device Routing Invert Outlet Devices #1 Primary 368.50' 24.0" Round Culvert X 2.00 L= 50.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 368.50' / 368.00' S= 0.0100 '/' Cc= 0.900 n= 0.025, Flow Area= 3.14 sf #2 Device 1 375.25' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 379.00' 16.0' long + 3.0'/' SideZ x 16.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=39.63 cfs @ 12.04 hrs HW=376.09' (Free Discharge) t1=Culvert (Passes 39.63 cfs of 67.44 cfs potential flow) L2=Orifice/Grate (Weir Controls 39.63 cfs @ 3.00 fps) $econdaryOutFlow Max=0.00 cfs @ 0.00 hrs HW=375.25' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 9P: Forebay 3 Hydrograph Time (hours) Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 p Inflow ❑ Oudlow ® Primary ■ Secondary breezy hill Prepared by HP Inc. Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Pond 19P: 142C - Diversion [57] Hint: Peaked at 340.52' (F [79] Warning: Submerged Pon Inflow Area = 19.900 ac, Inflow = 20.21 cfs @ Outflow = 20.21 cfs @ Primary = 5.09 cfs @ Secondary = 15.11 cfs @ ood elevation advised) 1 4P Primary device # 1 OUTLET by 0.32' 0.00% Impervious, Inflow Depth > 1.73" for 2-yr event 12.26 hrs, Volume= 2.875 of 12.26 hrs, Volume= 2.875 af, Atten= 0%, Lag= 0.0 min 12.26 hrs, Volume= 1.998 of 12.26 hrs, Volume= 0.876 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 340.52' @ 12.26 hrs Device Routing Invert Outlet Devices #1 Primary 331.00' 12.0" Round Outlet to 42B-Level Spreader L= 278.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 331.00' / 324.20' S= 0.0245 '/' Cc= 0.900 n= 0.013, Flow Area= 0.79 sf #2 Device 1 331.00' 8.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 339.00' 36.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=5.09 cfs @ 12.26 hrs HW=340.52' (Free Discharge) t1=Outlet to 426-1-evel Spreader (Passes 5.09 cfs of 7.87 cfs potential flow) t2=Orifice/Grate (Orifice Controls 5.09 cfs @ 14.59 fps) $econdary OutFlow Max=15.02 cfs @ 12.26 hrs HW=340.52' (Free Discharge) 3=Orifice/Grate (Orifice Controls 15.02 cfs @ 4.19 fps) breezy hill Prepared by HP Inc. Pond 19P: 142C - Diversion Hydrograph Time (hours) Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 F ❑ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 Summary for Pond 21 P: 146 - Diversion [57] Hint: Peaked at 323.43' (Flood elevation advised) Inflow Area = 9.560 ac, 0.00% Impervious, Inflow Depth > 2.13" for 2-yr event Inflow = 7.73 cfs @ 12.00 hrs, Volume= 1.700 of Outflow = 7.73 cfs @ 12.00 hrs, Volume= 1.700 af, Atten= 0%, Lag= 0.0 min Primary = 2.52 cfs @ 12.00 hrs, Volume= 1.476 of Secondary = 5.21 cfs @ 12.00 hrs, Volume= 0.225 of Routed to Reach 22R : 146 bypass Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 323.43' @ 12.00 hrs Device Routing Invert Outlet Devices #1 Primary 320.85' 12.0" Round Level Spreader Diversion L= 64.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 320.85' / 320.10' S= 0.0117 '/' Cc= 0.900 n= 0.013, Flow Area= 0.79 sf #2 Device 1 320.85' 8.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 322.65' 48.0" Vert. By -Pass Oriface C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=2.52 cfs @ 12.00 hrs HW=323.43' (Free Discharge) t1=Level Spreader Diversion (Passes 2.52 cfs of 5.45 cfs potential flow) L2=Orifice/Grate (Orifice Controls 2.52 cfs @ 7.21 fps) $ condary OutFlow Max=5.14 cfs @ 12.00 hrs HW=323.43' (Free Discharge) 3=By-Pass Oriface (Orifice Controls 5.14 cfs @ 3.00 fps) breezy hill Prepared by HP Inc. Pond 21 P: 146 - Diversion Hydrograph Type // 24-hr 2-yr Rainfall=3.59" Printed 9/7/2022 nR■■ jInflow . - . . Peak Elev=323.43' Room■■ IN I ii■■■■■i°? R■RRR _■_■■■■ "milli Ad IVA OR OR 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ❑ Inflow O.g. ❑ Primary ❑ Secondary breezy hill Type // 24-hr 10-yr Raintall=5.43" Prepared by HP Inc. Printed 9/7/2022 HvdroCAD®10.10-7c s/n 08126 ©2022 HvdroCAD Software Solutions LLC Paoe 86 Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points Runoff by SCS TR-20 method, UH=SCS, Weighted-CN Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment 4S: DA -Yards Runoff Area=8.230 ac 0.00% Impervious Runoff Depth>3.66" Tc=8.0 min CN=84 Runoff=47.98 cfs 2.511 of Subcatchment 6S: Post #1 Runoff Area=13.800 ac 0.00% Impervious Runoff Depth>3.46" Flow Length=950' Tc=12.1 min CN=82 Runoff=66.88 cfs 3.976 of Subcatchment 10S: Post #4 Runoff Area=6.040 ac 0.00% Impervious Runoff Depth>3.26" Flow Length=450' Tc=12.0 min CN=80 Runoff=27.86 cfs 1.642 of Subcatchment 11S: Post #3 Runoff Area=10.680 ac 0.00% Impervious Runoff Depth>3.46" Tc=8.0 min CN=82 Runoff=59.40 cfs 3.080 of Subcatchment 12S: DA - SB3 Runoff Area=6.520 ac 0.00% Impervious Runoff Depth>3.27" Tc=8.0 min CN=80 Runoff=34.47 cfs 1.774 of Subcatchment 16S: R/W -Cul-de-sac Runoff Area=1.330 ac 0.00% Impervious Runoff Depth>4.73" Tc=8.0 min CN=94 Runoff=9.23 cfs 0.524 of Subcatchment 18S: Post #1-Rears Runoff Area=6.100 ac 0.00% Impervious Runoff Depth>3.46" Flow Length=950' Tc=7.9 min CN=82 Runoff=34.04 cfs 1.759 of Reach 22R: 146 bypass Avg. Flow Depth=1.11' Max Vet=7.66 fps Inflow=37.60 cfs 0.974 of n=0.050 L=80.0' S=0.1375'/' Capacity=49.94 cfs Outflow=35.12 cfs 0.974 of Pond 2P: SB3 Peak Elev=387.95' Storage=23,699 cf Inflow=34.47 cfs 1.774 of Primary=32.13 cfs 1.707 of Secondary=0.00 cfs 0.000 of Outflow=32.13 cfs 1.707 of Pond 4P: SWM #1 Peak Elev=359.46' Storage=94,842 cf Inflow=69.69 cfs 5.695 of Primary=34.10 cfs 5.021 of Secondary=12.37 cfs 0.511 of Outflow=46.46 cfs 5.532 of Pond 5P: Forebay 1 Peak Elev=363.71' Storage=38,406 cf Inflow=66.88 cfs 3.976 of Outflow=37.64 cfs 3.936 of Pond 6P: SB2-SWM #2 Peak EIev=350.74' Storage=34,633 cf Inflow=47.98 cfs 2.511 of Outflow=34.71 cfs 2.507 of Pond 7P: SWM #3 Peak EIev=369.88' Storage=129,537 cf Inflow=73.93 cfs 4.766 of Primary=65.93 cfs 4.729 of Secondary=0.00 cfs 0.000 of Outflow=65.93 cfs 4.729 of Pond 8P: SWM #4 - Rte. 250 Peak EIev=371.79' Storage=45,345 cf Inflow=27.86 cfs 1.642 of Primary=17.92 cfs 1.595 of Secondary=0.00 cfs 0.000 of Outflow=17.92 cfs 1.595 of Pond 9P: Forebay 3 Peak EIev=377.32' Storage=13,252 cf Inflow=90.91 cfs 4.787 of Primary=73.93 cfs 4.766 of Secondary=0.00 cfs 0.000 of Outflow=73.93 cfs 4.766 of Pond 19P: 142C - Diversion Peak EIev=341.24' Inflow=34.10 cfs 5.021 of Primary=5.29 cfs 2.929 of Secondary=28.81 cfs 2.092 of Outflow=34.10 cfs 5.021 of breezy hill Prepared by HP Inc. Type/1 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Pond 21P: 146 -Diversion Peak Elev=324.93' Inflow=40.86 cfs 3.031 of Primary=3.26 cfs 2.057 of Secondary=37.60 cfs 0.974 of Outflow=40.86 cfs 3.031 of Total Runoff Area = 52.700 ac Runoff Volume = 15.267 of Average Runoff Depth = 3.48" 100.00% Pervious = 52.700 ac 0.00% Impervious = 0.000 ac breezy hill Prepared by HP Inc. Type II 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Subcatchment 4S: DA - Yards Runoff = 47.98 cfs @ 11.99 hrs, Volume= 2.511 af, Depth> 3.66" Routed to Pond 6P : SB2-SWM #2 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 10-yr Rainfall=5.43" Area (ac) CN Description 8.230 84 8.230 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-1 If--+% iwiwl Iffl % I_fv \ HE Direct Entry, Subcatchment 4S: DA - Yards Hydrograph ❑ RunoH 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type/1 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Subcatchment 6S: Post #1 [47] Hint: Peak is 461 % of capacity of segment #3 Runoff = 66.88 cfs @ 12.04 hrs, Volume= 3.976 af, Depth> 3.46" Routed to Pond 5P : Forebay 1 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 10-yr Rainfall=5.43" Area (ac) CN Description 13.800 82 13.800 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 75 0.0250 0.13 Sheet Flow, Grass: Dense n= 0.240 P2= 3.59" 1.7 325 0.2000 3.13 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.6 550 0.2000 14.52 14.52 Channel Flow, Area= 1.0 sf Perim= 3.0' r= 0.33' n= 0.022 Earth. clean & straiaht 12.1 950 Total Subcatchment 6S: Post #1 Hydrograph ■■■■■ ■■■■■■■■■ MEM■■■ ■■■■■■■■■ • LM ■■■■■■■■■ - ..f Runoff. Flow • 0 • M■■■■■■ ■l ■■■■■■■■■■ MEMEMEMEM ■■■■■■■■■ ■■■■■■■■■ ■■■■■■■■■■ '/ % ■■■■■■■■■ ■■■■■■■■ ■■■■■■■■ ■■■■■■■■■■ ■■■■■u■■■■ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Ru ff breezy hill Prepared by HP Inc. Type II 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Subcatchment 10S: Post #4 Runoff = 27.86 cfs @ 12.04 hrs, Volume= 1.642 af, Depth> 3.26" Routed to Pond 8P : SWM #4 - Rte. 250 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 10-yr Rainfall=5.43" Area (ac) CN Description 6.040 80 6.040 100.00% Pervious Area Tc Length Slope Velocity Capacity Description 9.7 150 0.0400 0.26 Sheet Flow, Grass: Short n= 0.150 P2= 3.59" 2.3 300 0.1000 2.21 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fos 12.0 450 Total Subcatchment 10S: Post #4 Hydrograph Time (hours) ■ Rurwff breezy hill Prepared by HP Inc. Type II 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Subcatchment 11S: Post #3 Runoff = 59.40 cfs @ 11.99 hrs, Volume= 3.080 af, Depth> 3.46" Routed to Pond 9P : Forebay 3 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 10-yr Rainfall=5.43" Area (ac) CN Description 10.680 82 10.680 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-1 If--+% iwiwl Iffl % I_fv \ 8.0 Direct Entry, Subcatchment 11 S: Post #3 Hydrograph ❑ ftunoN 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type II 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Subcatchment 12S: DA - SB3 Runoff = 34.47 cfs @ 11.99 hrs, Volume= 1.774 af, Depth> 3.27" Routed to Pond 2P : S133 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 10-yr Rainfall=5.43" Area (ac) CN Description 6.520 80 6.520 100.00% Pervious Area Tc Length Slope Velocity Capacity Description 8.0 Direct Entry, Subcatchment 12S: DA - SB3 Hydrograph ❑ Runoff Time (hours) breezy hill Prepared by HP Inc. Type/1 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Subcatchment 16S: RM - Cul-de-sac Runoff = 9.23 cfs @ 11.99 hrs, Volume= 0.524 af, Depth> 4.73" Routed to Pond 21 P : 146 - Diversion Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 10-yr Rainfall=5.43" Area (ac) CN Description 1.330 94 1.330 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-1 If--+% iwiwl Iffl % I_fv \ 8.0 Direct Entry, Subcatchment 16S: R/W - Cul-de-sac Hydrograph ❑ RunoH 9 _ Type II 24-hr 8 10-yr Rainfall=5.43 7 Runoff Area=1.330 ac Runoff Volume=0.524 of _ 6 Runoff Depth>4.73" Tc=8.0 min 4 1 1 CN=94 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type/1 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Subcatchment 18S: Post #1-Rears [47] Hint: Peak is 234% of capacity of segment #3 Runoff = 34.04 cfs @ 11.99 hrs, Volume= 1.759 af, Depth> 3.46" Routed to Pond 4P : SWM #1 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 10-yr Rainfall=5.43" Area (ac) CN Description 6.100 82 6.100 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 75 0.1000 0.22 Sheet Flow, Grass: Dense n= 0.240 P2= 3.59" 1.7 325 0.2000 3.13 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.6 550 0.2000 14.52 14.52 Channel Flow, Area= 1.0 sf Perim= 3.0' r= 0.33' n= 0.022 Earth. clean & straiaht 7.9 950 Total Subcatchment 18S: Post #1-Rears Hydrograph Time (hours) ■ Runoff breezy hill Prepared by HP Inc. Type/1 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Reach 22R: 146 bypass [81] Warning: Exceeded Pond 2lP by 5.15' @ 0.00 hrs Inflow = 37.60 cfs @ 12.07 hrs, Volume= 0.974 of Outflow = 35.12 cfs @ 12.08 hrs, Volume= 0.974 af, Atten= 7%, Lag= 0.6 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Max. Velocity= 7.66 fps, Min. Travel Time= 0.2 min Avg. Velocity = 2.79 fps, Avg. Travel Time= 0.5 min Peak Storage= 381 cf @ 12.07 hrs Average Depth at Peak Storage= 1.11' , Surface Width= 7.66' Bank -Full Depth= 1.25' Flow Area= 5.9 sf, Capacity= 49.94 cfs 1.00' x 1.25' deep channel, n= 0.050 Side Slope Z-value= 3.0 '/' Top Width= 8.50' Length= 80.0' Slope= 0.1375 '/' Inlet Invert= 326.00', Outlet Invert= 315.00' Reach 22R: 146 bypass Hydrograph ■ Inflow ■ outflowll Time (hours) breezy hill Prepared by HIP Inc. Summary for Pond 2P: S133 Type/1 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Inflow Area = 6.520 ac, 0.00% Impervious, Inflow Depth > 3.27" for 10-yr event Inflow = 34.47 cfs @ 11.99 hrs, Volume= 1.774 of Outflow = 32.13 cfs @ 12.02 hrs, Volume= 1.707 af, Atten= 7%, Lag= 1.5 min Primary = 32.13 cfs @ 12.02 hrs, Volume= 1.707 of Routed to Pond 9P : Forebay 3 Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routed to Pond 9P : Forebay 3 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 386.00' Surf.Area= 4,504 sf Storage= 13,788 cf Peak Elev= 387.95' @ 12.01 hrs Surf.Area= 5,658 sf Storage= 23,699 cf (9,911 cf above start) Plug -Flow detention time= 153.1 min calculated for 1.387 of (78% of inflow) Center -of -Mass det. time= 4.7 min ( 820.7 - 816.0 ) Volume Invert Avail.Storage Storage Description #1 382.00' 36,637 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 382.00 2,440 0 0 384.00 3,422 5,862 5,862 386.00 4,504 7,926 13,788 388.00 5,687 10,191 23,979 390.00 6,971 12,658 36,637 Device Routing Invert Outlet Devices #1 Primary 382.00' 24.0" Round Culvert L= 45.0' RCP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 382.00' / 380.00' S= 0.0444'/' Cc= 0.900 n= 0.013, Flow Area= 3.14 sf #2 Device 1 387.22' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 388.50' 12.0' long + 3.0'/' SideZ x 12.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64 #4 Device 1 385.08' 4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=31.84 cfs @ 12.02 hrs HW=387.94' (Free Discharge) L1=Culvert (Passes 31.84 cfs of 33.61 cfs potential flow) 2=Orifice/Grate (Weir Controls 31.15 cfs @ 2.77 fps) =Orifice/Grate (Orifice Controls 0.69 cfs @ 7.90 fps) Londary OutFlow Max=0.00 cfs @ 0.00 hrs HW=386.00' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 2P: SB3 Hydrograph Type // 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 ❑ Inflow ❑ Outflow ❑ Primary ❑ Secondary 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type // 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Pond 4P: SWM #1 [79] Warning: Submerged Pond 5P Primary device # 1 INLET by 1.46' Inflow Area = 19.900 ac, 0.00% Impervious, Inflow Depth > 3.43" for 10-yr event Inflow = 69.69 cfs @ 12.01 hrs, Volume= 5.695 of Outflow = 46.46 cfs @ 12.17 hrs, Volume= 5.532 af, Atten= 33%, Lag= 9.9 min Primary = 34.10 cfs @ 12.17 hrs, Volume= 5.021 of Routed to Pond 19P : 142C - Diversion Secondary = 12.37 cfs @ 12.17 hrs, Volume= 0.511 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 2 Starting Elev= 357.50' Surf.Area= 18,648 sf Storage= 43,969 cf Peak Elev= 359.46' @ 12.17 hrs Surf.Area= 29,308 sf Storage= 94,842 cf (50,873 cf above start) Plug -Flow detention time= 142.2 min calculated for 4.523 of (79% of inflow) Center -of -Mass det. time= 28.4 min ( 849.5 - 821.1 ) Volume Invert Avail.Storage Storage Description #1 354.00' 111,017 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 354.00 7,073 0 0 355.00 10,030 8,552 8,552 356.00 13,133 11,582 20,133 357.50 18,648 23,836 43,969 358.00 25,291 10,985 54,954 359.00 28,006 26,649 81,602 360.00 30,823 29,415 111,017 Device Routing Invert Outlet Devices #1 Primary 348.00' 24.0" Round Culvert L= 65.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 348.00' / 340.20' S= 0.1200 '/' Cc= 0.900 n= 0.025, Flow Area= 3.14 sf #2 Device 1 357.50' 60.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 358.75' 6.0' long + 3.0'/' SideZ x 30.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=33.97 cfs @ 12.17 hrs HW=359.46' (Free Discharge) t1=Culvert (Passes 33.97 cfs of 51.75 cfs potential flow) t2=Orifice/Grate (Orifice Controls 33.97 cfs @ 4.76 fps) Londary OutFlow Max=12.24 cfs @ 12.17 hrs HW=359.46' (Free Discharge) 3=Broad-Crested Rectangular Weir (Weir Controls 12.24 cfs @ 2.13 fps) breezy hill Prepared by HP Inc. Pond 4P: SWM #1 Hydrograph Time (hours) Type II 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 ❑ Inflow J Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type/1 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Pond 5P: Forebay 1 Inflow Area = 13.800 ac, 0.00% Impervious, Inflow Depth > 3.46" for 10-yr event Inflow = 66.88 cfs @ 12.04 hrs, Volume= 3.976 of Outflow = 37.64 cfs @ 12.16 hrs, Volume= 3.936 af, Atten= 44%, Lag= 7.5 min Primary = 37.64 cfs @ 12.16 hrs, Volume= 3.936 of Routed to Pond 4P : SWM #1 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Starting Elev= 360.30' Surf.Area= 5,747 sf Storage= 7,776 cf Peak Elev= 363.71' @ 12.16 hrs Surf.Area= 12,315 sf Storage= 38,406 cf (30,630 cf above start) Plug -Flow detention time= 53.3 min calculated for 3.749 of (94% of inflow) Center -of -Mass det. time= 11.9 min ( 825.8 - 813.9 ) Volume Invert Avail.Storage Storage Description #1 358.00' 42,018 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 358.00 1,765 0 0 359.00 2,625 2,195 2,195 360.00 5,241 3,933 6,128 361.00 6,928 6,085 12,213 362.00 8,999 7,964 20,176 363.00 10,901 9,950 30,126 364.00 12,883 11,892 42,018 Device Routing Invert Outlet Devices #1 Primary 358.00' 18.0" Round Culvert X 2.00 L= 68.0' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 358.00' / 352.00' S= 0.0882 '/' Cc= 0.900 n= 0.025, Flow Area= 1.77 sf #2 Device 1 360.30' 48.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=37.60 cfs @ 12.16 hrs HW=363.69' (Free Discharge) t1=Culvert (Barrel Controls 37.60 cfs @ 10.64 fps) t2=Orifice/Grate (Passes 37.60 cfs of 71.29 cfs potential flow) breezy hill Prepared by HP Inc. Pond 5P: Forebay 1 Hydrograph Time (hours) Type iI 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 ■ Inflow ■ Primary breezy hill Prepared by HP Inc. Type/1 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Pond 6P: SB2-SWM #2 [44] Hint: Outlet device #2 is below defined storage Inflow Area = 8.230 ac, 0.00% Impervious, Inflow Depth > 3.66" for 10-yr event Inflow = 47.98 cfs @ 11.99 hrs, Volume= 2.511 of Outflow = 34.71 cfs @ 12.07 hrs, Volume= 2.507 af, Atten= 28%, Lag= 4.9 min Primary = 34.71 cfs @ 12.07 hrs, Volume= 2.507 of Routed to Pond 21 P : 146 - Diversion Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 350.74' @ 12.07 hrs Surf.Area= 8,935 sf Storage= 34,633 cf Plug -Flow detention time= 82.0 min calculated for 2.507 of (100% of inflow) Center -of -Mass det. time= 81.1 min ( 886.3 - 805.1 ) Volume Invert Avail.Storage Storage Description #1 346.00' 56,746 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 346.00 5,778 0 0 348.00 7,037 12,815 12,815 350.00 8,397 15,434 28,249 352.00 9,858 18,255 46,504 353.00 10,626 10,242 56,746 Device Routing Invert Outlet Devices #1 Primary 340.00' 24.0" Round Culvert L= 70.0' RCP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 340.00' / 337.00' S= 0.0429 '/' Cc= 0.900 n= 0.013, Flow Area= 3.14 sf #2 Device 1 344.00' 6.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Device 1 348.30' 4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Device 1 350.00' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads MPrimary OutFlow Max=31.54 cfs @ 12.07 hrs HW=350.68' (Free Discharge) L1=Culvert (Passes 31.54 cfs of 47.05 cfs potential flow) 2=Orifice/Grate (Orifice Controls 2.40 cfs @ 12.21 fps) 3=Orifice/Grate (Orifice Controls 0.62 cfs @ 7.16 fps) =Orifice/Grate (Weir Controls 28.52 cfs @ 2.69 fps) breezy hill Prepared by HP Inc. Pond 6P: SB2-SWM #2 Hydrograph Time (hours) Type iI 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 ■ Inflow ■ Primary breezy hill Prepared by HIP Inc. Type/1 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Pond 7P: SWM #3 [79] Warning: Submerged Pond 9P Primary device # 1 INLET by 1.38' Inflow Area = 17.200 ac, 0.00% Impervious, Inflow Depth > 3.33" for 10-yr event Inflow = 73.93 cfs @ 12.05 hrs, Volume= 4.766 of Outflow = 65.93 cfs @ 12.11 hrs, Volume= 4.729 af, Atten= 11%, Lag= 3.2 min Primary = 65.93 cfs @ 12.11 hrs, Volume= 4.729 of Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 368.70' Surf.Area= 24,182 sf Storage= 100,057 cf Peak Elev= 369.88' @ 12.11 hrs Surf.Area= 25,782 sf Storage= 129,537 cf (29,480 cf above start) Plug -Flow detention time= 266.4 min calculated for 2.427 of (51 % of inflow) Center -of -Mass det. time= 10.3 min ( 826.6 - 816.3 ) Volume Invert Avail.Storage Storage Description #1 364.00' 188,204 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 364.00 18,556 0 0 366.00 20,837 39,393 39,393 368.00 23,232 44,069 83,462 370.00 25,945 49,177 132,639 371.00 27,729 26,837 159,476 372.00 29,727 28,728 188,204 Device Routino Invert Outlet Devices #1 Primary 360.00' 36.0" Round Culvert L= 60.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 360.00' / 358.00' S= 0.0333 '/' Cc= 0.900 n= 0.025, Flow Area= 7.07 sf #2 Device 1 368.70' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 370.50' 8.0' long + 3.0'/' SideZ x 16.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=65.31 cfs @ 12.11 hrs HW=369.87' (Free Discharge) L1=Culvert (Passes 65.31 cfs of 102.63 cfs potential flow) t2=Orifice/Grate (Weir Controls 65.31 cfs @ 3.54 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=368.70' (Free Discharge) t3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 7P: SWM #3 Hydrograph Time (hours) Type // 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 ❑ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HIP Inc. Type // 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Pond 8P: SWM #4 - Rte. 250 Inflow Area = 6.040 ac, 0.00% Impervious, Inflow Depth > 3.26" for 10-yr event Inflow = 27.86 cfs @ 12.04 hrs, Volume= 1.642 of Outflow = 17.92 cfs @ 12.15 hrs, Volume= 1.595 af, Atten= 36%, Lag= 6.5 min Primary = 17.92 cfs @ 12.15 hrs, Volume= 1.595 of Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Starting Elev= 370.40' Surf.Area= 11,191 sf Storage= 27,481 cf Peak Elev= 371.79' @ 12.15 hrs Surf.Area= 14,491 sf Storage= 45,345 cf (17,864 cf above start) Plug -Flow detention time= 217.0 min calculated for 0.962 of (59% of inflow) Center -of -Mass det. time= 26.2 min ( 845.3 - 819.1 ) Volume Invert Avail.Storage Storage Description #1 367.00' 56,190 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 367.00 5,321 0 0 368.00 6,861 6,091 6,091 370.00 10,242 17,103 23,194 372.00 14,986 25,228 48,422 372.50 16,086 7,768 56,190 Device Routino Invert Outlet Devices #1 Primary 360.50' 24.0" Round Culvert L= 115.0' Box, headwall w/3 rounded edges, Ke= 0.200 Inlet / Outlet Invert= 360.50' / 360.00' S= 0.0043 '/' Cc= 0.900 n= 0.025 Corrugated metal, Flow Area= 3.14 sf #2 Device 1 370.40' 60.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 372.00' 8.0' long + 3.0'/' SideZ x 12.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64 Primary OutFlow Max=17.85 cfs @ 12.15 hrs HW=371.79' (Free Discharge) t1=Culvert (Passes 17.85 cfs of 30.94 cfs potential flow) L2=Orifice/Grate (Orifice Controls 17.85 cfs @ 4.01 fps) $ condary OutFlow Max=0.00 cfs @ 0.00 hrs HW=370.40' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 8P: SWM #4 - Rte. 250 Hydrograph Type // 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 ��■ - . • o ;N■E■E■ENE■ or "rCRE ■■■■■■■■■■ ■■■■■■ ■■■■■■MINE iiiii■iii� MEM■ ■■■■ MEMEMINE ONE I■■E■■ME■E MEN ■ 1111■E■EMI■ENE 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ❑ Inflow -1 Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type/1 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Pond 9P: Forebay 3 Inflow Area = 17.200 ac, 0.00% Impervious, Inflow Depth > 3.34" for 10-yr event Inflow = 90.91 cfs @ 12.00 hrs, Volume= 4.787 of Outflow = 73.93 cfs @ 12.05 hrs, Volume= 4.766 af, Atten= 19%, Lag= 3.3 min Primary = 73.93 cfs @ 12.05 hrs, Volume= 4.766 of Routed to Pond 7P : SWM #3 Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routed to Pond 7P : SWIM #3 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 375.25' Surf.Area= 3,369 sf Storage= 3,465 cf Peak Elev= 377.32' @ 12.05 hrs Surf.Area= 6,434 sf Storage= 13,252 cf (9,787 cf above start) Plug -Flow detention time= 26.7 min calculated for 4.677 of (98% of inflow) Center -of -Mass det. time= 2.1 min ( 816.3 - 814.3 ) Volume Invert Avail.Storage Storage Description #1 374.00' 34,803 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 374.00 2,195 0 0 375.00 3,114 2,655 2,655 376.00 4,135 3,625 6,279 378.00 7,619 11,754 18,033 380.00 9,151 16,770 34,803 Device Routing Invert Outlet Devices #1 Primary 368.50' 24.0" Round Culvert X 2.00 L= 50.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 368.50' / 368.00' S= 0.0100 '/' Cc= 0.900 n= 0.025, Flow Area= 3.14 sf #2 Device 1 375.25' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 379.00' 16.0' long + 3.0'/' SideZ x 16.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=73.85 cfs @ 12.05 hrs HW=377.30' (Free Discharge) t1=Culvert (Barrel Controls 73.85 cfs @ 11.75 fps) L2=Orifice/Grate (Passes 73.85 cfs of 135.46 cfs potential flow) $econdaryOutFlow Max=0.00 cfs @ 0.00 hrs HW=375.25' (Free Discharge) 3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Type/1 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Page 109 Pond 9P: Forebay 3 Hydrograph Inflow Area=17.200 ac Peak Elev=377.32' 3" Storage=13,252 cf 3 �r= 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) � Inflow Outflow ❑ Primary Secondary breezy hill Prepared by HP Inc. Type Il 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Pond 19P: 142C - Diversion [57] Hint: Peaked at 341.24' (Flood elevation advised) [79] Warning: Submerged Pond 4P Primary device # 1 OUTLET by 1.03' Inflow Area = 19.900 ac, 0.00% Impervious, Inflow Depth > 3.03" for 10-yr event Inflow = 34.10 cfs @ 12.17 hrs, Volume= 5.021 of Outflow = 34.10 cfs @ 12.17 hrs, Volume= 5.021 af, Atten= 0%, Lag= 0.0 min Primary = 5.29 cfs @ 12.17 hrs, Volume= 2.929 of Secondary = 28.81 cfs @ 12.17 hrs, Volume= 2.092 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 341.24' @ 12.17 hrs Device Routing Invert Outlet Devices #1 Primary 331.00' 12.0" Round Outlet to 42B-Level Spreader L= 278.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 331.00' / 324.20' S= 0.0245 '/' Cc= 0.900 n= 0.013, Flow Area= 0.79 sf #2 Device 1 331.00' 8.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 339.00' 36.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=5.29 cfs @ 12.17 hrs HW=341.23' (Free Discharge) t1=Outlet to 426-1-evel Spreader (Passes 5.29 cfs of 8.05 cfs potential flow) t2=Orifice/Grate (Orifice Controls 5.29 cfs @ 15.15 fps) $econdary OutFlow Max=28.69 cfs @ 12.17 hrs HW=341.23' (Free Discharge) 3=Orifice/Grate (Orifice Controls 28.69 cfs @ 5.09 fps) breezy hill Prepared by HP Inc. Pond 19P: 142C - Diversion Hydrograph Time (hours) Type II 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 ❑ Inflow Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type Il 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 Summary for Pond 21 P: 146 - Diversion [57] Hint: Peaked at 324.93' (Flood elevation advised) Inflow Area = 9.560 ac, 0.00% Impervious, Inflow Depth > 3.80" for 10-yr event Inflow = 40.86 cfs @ 12.07 hrs, Volume= 3.031 of Outflow = 40.86 cfs @ 12.07 hrs, Volume= 3.031 af, Atten= 0%, Lag= 0.0 min Primary = 3.26 cfs @ 12.07 hrs, Volume= 2.057 of Secondary = 37.60 cfs @ 12.07 hrs, Volume= 0.974 of Routed to Reach 22R : 146 bypass Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 324.93' @ 12.07 hrs Device Routing Invert Outlet Devices #1 Primary 320.85' 12.0" Round Level Spreader Diversion L= 64.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 320.85' / 320.10' S= 0.0117 '/' Cc= 0.900 n= 0.013, Flow Area= 0.79 sf #2 Device 1 320.85' 8.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 322.65' 48.0" Vert. By -Pass Oriface C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=3.20 cfs @ 12.07 hrs HW=324.81' (Free Discharge) t1=Level Spreader Diversion (Passes 3.20 cfs of 6.88 cfs potential flow) L2=Orifice/Grate (Orifice Controls 3.20 cfs @ 9.17 fps) $ condary OutFlow Max=34.66 cfs @ 12.07 hrs HW=324.81' (Free Discharge) 3=By-Pass Oriface (Orifice Controls 34.66 cfs @ 5.00 fps) breezy hill Prepared by HP Inc. Pond 21 P: 146 - Diversion Hydrograph Time (hours) Type // 24-hr 10-yr Rainfall=5.43" Printed 9/7/2022 ❑ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Type 1124-hr 100-yrRaintall=8.90" Prepared by HP Inc. Printed 9/7/2022 HvdroCAD®10.10-7c s/n 08126 ©2022 HvdroCAD Software Solutions LLC Paoe 114 Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points Runoff by SCS TR-20 method, UH=SCS, Weighted-CN Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment 4S: DA -Yards Runoff Area=8.230 ac 0.00% Impervious Runoff Depth>6.95" Tc=8.0 min CN=84 Runoff=87.86 cfs 4.769 of Subcatchment 6S: Post #1 Runoff Area=13.800 ac 0.00% Impervious Runoff Depth>6.70" Flow Length=950' Tc=12.1 min CN=82 Runoff=125.84 cfs 7.708 of Subcatchment 10S: Post #4 Runoff Area=6.040 ac 0.00% Impervious Runoff Depth>6.46" Flow Length=450' Tc=12.0 min CN=80 Runoff=53.68 cfs 3.251 of Subcatchment 11S: Post #3 Runoff Area=10.680 ac 0.00% Impervious Runoff Depth>6.71" Tc=8.0 min CN=82 Runoff=111.22 cfs 5.971 of Subcatchment 12S: DA - SB3 Runoff Area=6.520 ac 0.00% Impervious Runoff Depth>6.46" Tc=8.0 min CN=80 Runoff=66.07 cfs 3.512 of Subcatchment 16S: R/W -Cul-de-sac Runoff Area=1.330 ac 0.00% Impervious Runoff Depth>8.17" Tc=8.0 min CN=94 Runoff=15.46 cfs 0.905 of Subcatchment 18S: Post #1-Rears Runoff Area=6.100 ac 0.00% Impervious Runoff Depth>6.71" Flow Length=950' Tc=7.9 min CN=82 Runoff=63.73 cfs 3.410 of Reach 22R: 146 bypass Avg. Flow Depth=1.36' Max Vet=8.80 fps Inflow=61.82 cfs 2.804 of n=0.050 L=80.0' S=0.1375 '/' Capacity=49.94 cfs Outflow=60.88 cfs 2.804 of Pond 2P: SB3 Peak Elev=389.17' Storage=31,094 cf Inflow=66.07 cfs 3.512 of Primary=37.58 cfs 3.188 of Secondary=20.11 cfs 0.190 of Outflow=57.69 cfs 3.378 of Pond 4P: SWM #1 Peak EIev=360.46' Storage=111,017 cf Inflow=199.90 cfs 11.086 of Primary=53.21 cfs 8.572 of Secondary=59.05 cfs 1.529 of Outflow=113.17 cfs 10.101 of Pond 5P: Forebay 1 Peak EIev=485.57' Storage=42,018 cf Inflow=125.84 cfs 7.708 of Outflow=138.60 cfs 7.676 of Pond 6P: SB2-SWM #2 Peak EIev=352.55' Storage=52,020 cf Inflow=87.86 cfs 4.769 of Outflow=51.40 cfs 4.732 of Pond 7P: SWM #3 Peak EIev=370.46' Storage=144,737 cf Inflow=132.95 cfs 9.302 of Primary=106.52 cfs 9.243 of Secondary=0.00 cfs 0.000 of Outflow=106.52 cfs 9.243 of Pond 8P: SWM #4 - Rte. 250 Peak EIev=372.47' Storage=55,770 cf Inflow=53.68 cfs 3.251 of Primary=31.99 cfs 3.081 of Secondary=7.86 cfs 0.107 of Outflow=39.86 cfs 3.188 of Pond 9P: Forebay 3 Peak EIev=379.98' Storage=34,593 cf Inflow=165.22 cfs 9.349 of Primary=86.32 cfs 8.798 of Secondary=46.64 cfs 0.504 of Outflow=132.95 cfs 9.302 of Pond 19P: 142C - Diversion Peak EIev=342.56' Inflow=53.21 cfs 8.572 of Primary=5.63 cfs 4.559 of Secondary=47.61 cfs 4.014 of Outflow=53.21 cfs 8.572 of breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Pond 21P: 146 -Diversion Peak Elev=325.72' Inflow=65.40 cfs 5.638 of Primary=3.58 cfs 2.834 of Secondary=61.82 cfs 2.804 of Outflow=65.40 cfs 5.638 of Total Runoff Area = 52.700 ac Runoff Volume = 29.526 of Average Runoff Depth = 6.72" 100.00% Pervious = 52.700 ac 0.00% Impervious = 0.000 ac breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Subcatchment 4S: DA - Yards Runoff = 87.86 cfs @ 11.99 hrs, Volume= 4.769 af, Depth> 6.95" Routed to Pond 6P : SB2-SWM #2 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 100-yr Rainfall=8.90" Area (ac) CN Description 8.230 84 8.230 100.00% Pervious Area Tc Length Slope Velocity Capacity Description 8.0 Direct Entry, Subcatchment 4S: DA - Yards Hydrograph ❑ Runoff Time (hours) breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Subcatchment 6S: Post #1 [47] Hint: Peak is 867% of capacity of segment #3 Runoff = 125.84 cfs @ 12.03 hrs, Volume= 7.708 af, Depth> 6.70" Routed to Pond 5P : Forebay 1 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 100-yr Rainfall=8.90" Area (ac) CN Description 13.800 82 13.800 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.8 75 0.0250 0.13 Sheet Flow, Grass: Dense n= 0.240 P2= 3.59" 1.7 325 0.2000 3.13 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.6 550 0.2000 14.52 14.52 Channel Flow, Area= 1.0 sf Perim= 3.0' r= 0.33' n= 0.022 Earth. clean & straiaht 12.1 950 Total 11 Subcatchment 6S: Post #1 Hydrograph 0 ■■ ■■■■■ ■■■■■■■--------------- ■••���� �MENOMONEE 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Runoff breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Subcatchment 10S: Post #4 Runoff = 53.68 cfs @ 12.03 hrs, Volume= 3.251 af, Depth> 6.46" Routed to Pond 8P : SWM #4 - Rte. 250 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 100-yr Rainfall=8.90" Area (ac) CN Description 6.040 80 6.040 100.00% Pervious Area Tc Length Slope Velocity Capacity Description 9.7 150 0.0400 0.26 Sheet Flow, Grass: Short n= 0.150 P2= 3.59" 2.3 300 0.1000 2.21 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fos 12.0 450 Total Subcatchment 10S: Post #4 Hydrograph Time (hours) ■ Rurwff breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Subcatchment 11S: Post #3 Runoff = 111.22 cfs @ 11.99 hrs, Volume= 5.971 af, Depth> 6.71" Routed to Pond 9P : Forebay 3 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 100-yr Rainfall=8.90" Area (ac) CN Description 10.680 82 10.680 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-N If--+% iwiwl Iffl % I_fv \ M 120 115 110 105 100 95 90 85 80 75 70 65 c 60 LL 55 50 45 40 35 30 25 20 15 10 5 0 Direct Entry, Subcatchment 11 S: Post #3 Hydrograph • • 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ❑ ftunoN breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Subcatchment 12S: DA - SB3 Runoff = 66.07 cfs @ 11.99 hrs, Volume= 3.512 af, Depth> 6.46" Routed to Pond 2P : S133 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 100-yr Rainfall=8.90" Area (ac) CN Description ' 6.520 80 6.520 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-N If--+% iwiwl Iffl % I_fv \ M 0 LL Direct Entry, Subcatchment 12S: DA - SB3 Hydrograph I ■■■■■■■■■■■1 MEMEMEMEMEM ■■■■■■■■■■■I ■■■■■■■■■■■' ■■■■■■■■■■■� 11Rainfafl=8I Runoff i . •ff Depth>64_6A ■ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Ruiroff breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Subcatchment 16S: RM - Cul-de-sac Runoff = 15.46 cfs @ 11.99 hrs, Volume= 0.905 af, Depth> 8.17" Routed to Pond 21 P : 146 - Diversion Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 100-yr Rainfall=8.90" Area (ac) CN Description 1.330 94 1.330 100.00% Pervious Area Tc Length Slope Velocity Capacity Description i-1 If--+% iwiwl Iffl % I_fv \ 8.0 Direct Entry, Subcatchment 16S: R/W - Cul-de-sac Hydrograph ■ Runoff 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Subcatchment 18S: Post #1-Rears [47] Hint: Peak is 439% of capacity of segment #3 Runoff = 63.73 cfs @ 11.99 hrs, Volume= 3.410 af, Depth> 6.71" Routed to Pond 4P : SWM #1 Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Type II 24-hr 100-yr Rainfall=8.90" Area (ac) CN Description 6.100 82 6.100 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 75 0.1000 0.22 Sheet Flow, Grass: Dense n= 0.240 P2= 3.59" 1.7 325 0.2000 3.13 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.6 550 0.2000 14.52 14.52 Channel Flow, Area= 1.0 sf Perim= 3.0' r= 0.33' n= 0.022 Earth. clean & straiaht 7.9 950 Total Subcatchment 18S: Post #1-Rears Hydrograph Time (hours) ❑ Runoff breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Reach 22R: 146 bypass [91] Warning: Storage range exceeded by 0.11' [55] Hint: Peak inflow is 124% of Manning's capacity [81] Warning: Exceeded Pond 21P by 5.15' @ 0.00 hrs Inflow = 61.82 cfs @ 12.00 hrs, Volume= 2.804 of Outflow = 60.88 cfs @ 12.02 hrs, Volume= 2.804 af, Atten= 2%, Lag= 1.3 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Max. Velocity= 8.80 fps, Min. Travel Time= 0.2 min Avg. Velocity = 2.98 fps, Avg. Travel Time= 0.4 min Peak Storage= 553 cf @ 12.02 hrs Average Depth at Peak Storage= 1.36' , Surface Width= 9.19' Bank -Full Depth= 1.25' Flow Area= 5.9 sf, Capacity= 49.94 cfs 1.00' x 1.25' deep channel, n= 0.050 Side Slope Z-value= 3.0 T Top Width= 8.50' Length= 80.0' Slope= 0.1375 '/' Inlet Invert= 326.00', Outlet Invert= 315.00' breezy hill Prepared by HP Inc. Reach 22R:146 bypass Hydrograph Time (hours) Type 1124-hr 100-yr Rainfall=8.90" Printed 9/7/2022 ■ Inflow ■ Outflow breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Pond 2P: S133 Inflow Area = 6.520 ac, 0.00% Impervious, Inflow Depth > 6.46" for 100-yr event Inflow = 66.07 cfs @ 11.99 hrs, Volume= 3.512 of Outflow = 57.69 cfs @ 12.03 hrs, Volume= 3.378 af, Atten= 13%, Lag= 2.6 min Primary = 37.58 cfs @ 12.03 hrs, Volume= 3.188 of Routed to Pond 9P : Forebay 3 Secondary = 20.11 cfs @ 12.03 hrs, Volume= 0.190 of Routed to Pond 9P : Forebay 3 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 386.00' Surf.Area= 4,504 sf Storage= 13,788 cf Peak Elev= 389.17' @ 12.03 hrs Surf.Area= 6,440 sf Storage= 31,094 cf (17,306 cf above start) Plug -Flow detention time= 93.2 min calculated for 3.061 of (87% of inflow) Center -of -Mass det. time= 0.3 min ( 797.1 - 796.8 ) Volume Invert Avail.Storage Storage Description #1 382.00' 36,637 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 382.00 2,440 0 0 384.00 3,422 5,862 5,862 386.00 4,504 7,926 13,788 388.00 5,687 10,191 23,979 390.00 6,971 12,658 36,637 Device Routing Invert Outlet Devices #1 Primary 382.00' 24.0" Round Culvert L= 45.0' RCP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 382.00' / 380.00' S= 0.0444'/' Cc= 0.900 n= 0.013, Flow Area= 3.14 sf #2 Device 1 387.22' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 388.50' 12.0' long + 3.0'/' SideZ x 12.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64 #4 Device 1 385.08' 4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=37.47 cfs @ 12.03 hrs HW=389.14' (Free Discharge) L1=Culvert (Inlet Controls 37.47 cfs @ 11.93 fps) 2=Orifice/Grate (Passes < 130.91 cfs potential flow) =Orifice/Grate (Passes < 0.83 cfs potential flow) Londary OutFlow Max=18.57 cfs @ 12.03 hrs HW=389.14' (Free Discharge) 3=Broad-Crested Rectangular Weir (Weir Controls 18.57 cfs @ 2.09 fps) breezy hill Prepared by HP Inc. Pond 2P: SB3 Hydrograph Type I124-hr 100-yr Rainfall=8.90" Printed 9/7/2022 M 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) breezy hill Prepared by HIP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Pond 4P: SWM #1 [93] Warning: Storage range exceeded by 0.46' [79] Warning: Submerged Pond 5P Primary device # 1 INLET by 2.45' Inflow Area = 19.900 ac, 0.00% Impervious, Inflow Depth > 6.69" for 100-yr event Inflow = 199.90 cfs @ 12.01 hrs, Volume= 11.086 of Outflow = 113.17 cfs @ 12.01 hrs, Volume= 10.101 af, Atten= 43%, Lag= 0.0 min Primary = 53.21 cfs @ 12.00 hrs, Volume= 8.572 of Routed to Pond 19P : 142C - Diversion Secondary = 59.05 cfs @ 12.01 hrs, Volume= 1.529 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 2 Starting Elev= 357.50' Surf.Area= 18,648 sf Storage= 43,969 cf Peak Elev= 360.46' @ 12.01 hrs Surf.Area= 30,823 sf Storage= 111,017 cf (67,048 cf above start) Plug -Flow detention time= 126.7 min calculated for 9.073 of (82% of inflow) Center -of -Mass det. time= 29.6 min ( 830.4 - 800.9 ) Volume Invert Avail.Storage Storage Description #1 354.00' 111,017 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 354.00 7,073 0 0 355.00 10,030 8,552 8,552 356.00 13,133 11,582 20,133 357.50 18,648 23,836 43,969 358.00 25,291 10,985 54,954 359.00 28,006 26,649 81,602 360.00 30,823 29,415 111,017 Device Routino Invert Outlet Devices #1 Primary 348.00' 24.0" Round Culvert L= 65.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 348.00' / 340.20' S= 0.1200 '/' Cc= 0.900 n= 0.025, Flow Area= 3.14 sf #2 Device 1 357.50' 60.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 358.75' 6.0' long + 3.0'/' SideZ x 30.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=53.21 cfs @ 12.00 hrs HW=360.45' (Free Discharge) t1=Culvert (Barrel Controls 53.21 cfs @ 16.94 fps) L2=Orifice/Grate (Passes 53.21 cfs of 70.34 cfs potential flow) $ condary OutFlow Max=54.89 cfs @ 12.01 hrs HW=360.39' (Free Discharge) 3=Broad-Crested Rectangular Weir (Weir Controls 54.89 cfs @ 3.06 fps) breezy hill Prepared by HP Inc. Pond 4P: SWM #1 Hydrograph 2 3 4 5 6 7 8 9 10 11 12 13 Time (hours) Type I124-hr 100-yr Rainfall=8.90" Printed 9/7/2022 23 24 ■ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Pond 5P: Forebay 1 [93] Warning: Storage range exceeded by 121.57' [88] Warning: Qout>Qin may require smaller dt or Finer Routing Inflow Area = 13.800 ac, 0.00% Impervious, Inflow Depth > 6.70" for 100-yr event Inflow = 125.84 cfs @ 12.03 hrs, Volume= 7.708 of Outflow = 138.60 cfs @ 12.02 hrs, Volume= 7.676 af, Atten= 0%, Lag= 0.0 min Primary = 138.60 cfs @ 12.02 hrs, Volume= 7.676 of Routed to Pond 4P : SWM #1 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Starting Elev= 360.30' Surf.Area= 5,747 sf Storage= 7,776 cf Peak Elev= 485.57' @ 12.01 hrs Surf.Area= 12,883 sf Storage= 42,018 cf (34,242 cf above start) Plug -Flow detention time= 35.0 min calculated for 7.497 of (97% of inflow) Center -of -Mass det. time= 9.5 min ( 804.8 - 795.3 ) Volume Invert Avail.Storage Storage Description #1 358.00' 42,018 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 358.00 1,765 0 0 359.00 2,625 2,195 2,195 360.00 5,241 3,933 6,128 361.00 6,928 6,085 12,213 362.00 8,999 7,964 20,176 363.00 10,901 9,950 30,126 364.00 12,883 11,892 42,018 Device Routing Invert Outlet Devices #1 Primary 358.00' 18.0" Round Culvert X 2.00 L= 68.0' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 358.00' / 352.00' S= 0.0882 '/' Cc= 0.900 n= 0.025, Flow Area= 1.77 sf #2 Device 1 360.30' 48.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=126.35 cfs @ 12.02 hrs HW=468.59' (Free Discharge) t1=Culvert (Barrel Controls 126.35 cfs @ 35.75 fps) t2=Orifice/Grate (Passes 126.35 cfs of 623.81 cfs potential flow) breezy hill Prepared by HP Inc. 150 140 130 120 110 100 90 80 LL 70 so 40 30 20 10 0 Type 1124-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Pond 5P: Forebay 1 Hydrograph E .......... .......... .......... ..:�... MEMEMEMEM .....M... ........ :::::::::::::::::: ::::•• ::::::: ::: .... 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Inflow ■ Primary breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Pond 6P: SB2-SWM #2 [44] Hint: Outlet device #2 is below defined storage Inflow Area = 8.230 ac, 0.00% Impervious, Inflow Depth > 6.95" for 100-yr event Inflow = 87.86 cfs @ 11.99 hrs, Volume= 4.769 of Outflow = 51.40 cfs @ 12.08 hrs, Volume= 4.732 af, Atten= 41%, Lag= 5.7 min Primary = 51.40 cfs @ 12.08 hrs, Volume= 4.732 of Routed to Pond 21 P : 146 - Diversion Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 352.55' @ 12.08 hrs Surf.Area= 10,279 sf Storage= 52,020 cf Plug -Flow detention time= 67.8 min calculated for 4.732 of (99% of inflow) Center -of -Mass det. time= 62.9 min ( 850.1 - 787.2 ) Volume Invert Avail.Storage Storage Description #1 346.00' 56,746 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 346.00 5,778 0 0 348.00 7,037 12,815 12,815 350.00 8,397 15,434 28,249 352.00 9,858 18,255 46,504 353.00 10,626 10,242 56,746 Device Routing Invert Outlet Devices #1 Primary 340.00' 24.0" Round Culvert L= 70.0' RCP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 340.00' / 337.00' S= 0.0429 '/' Cc= 0.900 n= 0.013, Flow Area= 3.14 sf #2 Device 1 344.00' 6.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Device 1 348.30' 4.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #4 Device 1 350.00' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads MPrimary OutFlow Max=51.31 cfs @ 12.08 hrs HW=352.51' (Free Discharge) L1=Culvert (Inlet Controls 51.31 cfs @ 16.33 fps) 2=Orifice/Grate (Passes < 2.72 cfs potential flow) 3=Orifice/Grate (Passes < 0.84 cfs potential flow) =Orifice/Grate (Passes < 149.65 cfs potential flow) breezy hill Prepared by HP Inc. Pond 6P: SB2-SWM #2 Hydrograph Time (hours) Type 1124-hr 100-yr Rainfall=8.90" Printed 9/7/2022 ■ Inflow ■ Primary breezy hill Prepared by HIP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Pond 7P: SWM #3 [79] Warning: Submerged Pond 9P Primary device # 1 INLET by 1.94' Inflow Area = 17.200 ac, 0.00% Impervious, Inflow Depth > 6.49" for 100-yr event Inflow = 132.95 cfs @ 12.05 hrs, Volume= 9.302 of Outflow = 106.52 cfs @ 12.12 hrs, Volume= 9.243 af, Atten= 20%, Lag= 4.4 min Primary = 106.52 cfs @ 12.12 hrs, Volume= 9.243 of Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 368.70' Surf.Area= 24,182 sf Storage= 100,057 cf Peak Elev= 370.46' @ 12.12 hrs Surf.Area= 26,764 sf Storage= 144,737 cf (44,680 cf above start) Plug -Flow detention time= 151.2 min calculated for 6.946 of (75% of inflow) Center -of -Mass det. time= 8.8 min ( 805.5 - 796.6 ) Volume Invert Avail.Storage Storage Description #1 364.00' 188,204 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 364.00 18,556 0 0 366.00 20,837 39,393 39,393 368.00 23,232 44,069 83,462 370.00 25,945 49,177 132,639 371.00 27,729 26,837 159,476 372.00 29,727 28,728 188,204 Device Routino Invert Outlet Devices #1 Primary 360.00' 36.0" Round Culvert L= 60.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 360.00' / 358.00' S= 0.0333 '/' Cc= 0.900 n= 0.025, Flow Area= 7.07 sf #2 Device 1 368.70' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 370.50' 8.0' long + 3.0'/' SideZ x 16.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=105.86 cfs @ 12.12 hrs HW=370.44' (Free Discharge) L1=Culvert (Barrel Controls 105.86 cfs @ 14.98 fps) t2=Orifice/Grate (Passes 105.86 cfs of 117.91 cfs potential flow) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=368.70' (Free Discharge) t3=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) breezy hill Prepared by HP Inc. Pond 7P: SWM #3 Hydrograph Type I124-hr 100-yr Rainfall=8.90" Printed 9/7/2022 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Time (hours) 23 24 ❑ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HIP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Pond 8P: SWM #4 - Rte. 250 Inflow Area = 6.040 ac, 0.00% Impervious, Inflow Depth > 6.46" for 100-yr event Inflow = 53.68 cfs @ 12.03 hrs, Volume= 3.251 of Outflow = 39.86 cfs @ 12.12 hrs, Volume= 3.188 af, Atten= 26%, Lag= 5.1 min Primary = 31.99 cfs @ 12.10 hrs, Volume= 3.081 of Secondary = 7.86 cfs @ 12.12 hrs, Volume= 0.107 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Starting Elev= 370.40' Surf.Area= 11,191 sf Storage= 27,481 cf Peak Elev= 372.47' @ 12.12 hrs Surf.Area= 16,028 sf Storage= 55,770 cf (28,290 cf above start) Plug -Flow detention time= 140.2 min calculated for 2.557 of (79% of inflow) Center -of -Mass det. time= 21.0 min ( 820.9 - 799.9 ) Volume Invert Avail.Storage Storage Description #1 367.00' 56,190 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 367.00 5,321 0 0 368.00 6,861 6,091 6,091 370.00 10,242 17,103 23,194 372.00 14,986 25,228 48,422 372.50 16,086 7,768 56,190 Device Routino Invert Outlet Devices #1 Primary 360.50' 24.0" Round Culvert L= 115.0' Box, headwall w/3 rounded edges, Ke= 0.200 Inlet / Outlet Invert= 360.50' / 360.00' S= 0.0043 '/' Cc= 0.900 n= 0.025 Corrugated metal, Flow Area= 3.14 sf #2 Device 1 370.40' 60.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 372.00' 8.0' long + 3.0'/' SideZ x 12.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64 Primary OutFlow Max=31.99 cfs @ 12.10 hrs HW=372.46' (Free Discharge) t1=Culvert (Barrel Controls 31.99 cfs @ 10.18 fps) L2=Orifice/Grate (Passes 31.99 cfs of 37.42 cfs potential flow) $ condary OutFlow Max=7.45 cfs @ 12.12 hrs HW=372.46' (Free Discharge) 3=Broad-Crested Rectangular Weir (Weir Controls 7.45 cfs @ 1.74 fps) breezy hill Prepared by HP Inc. Type I124-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Pond 8P: SWM #4 - Rte. 250 Hydrograph Time (hours) ❑ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Pond 9P: Forebay 3 Inflow Area = 17.200 ac, 0.00% Impervious, Inflow Depth > 6.52" for 100-yr event Inflow = 165.22 cfs @ 12.00 hrs, Volume= 9.349 of Outflow = 132.95 cfs @ 12.05 hrs, Volume= 9.302 af, Atten= 20%, Lag= 2.9 min Primary = 86.32 cfs @ 12.05 hrs, Volume= 8.798 of Routed to Pond 7P : SWM #3 Secondary = 46.64 cfs @ 12.05 hrs, Volume= 0.504 of Routed to Pond 7P : SWIM #3 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs / 3 Starting Elev= 375.25' Surf.Area= 3,369 sf Storage= 3,465 cf Peak Elev= 379.98' @ 12.05 hrs Surf.Area= 9,133 sf Storage= 34,593 cf (31,128 cf above start) Plug -Flow detention time= 17.0 min calculated for 9.203 of (98% of inflow) Center -of -Mass det. time= 2.7 min ( 796.6 - 793.9) Volume Invert Avail.Storage Storage Description #1 374.00' 34,803 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 374.00 2,195 0 0 375.00 3,114 2,655 2,655 376.00 4,135 3,625 6,279 378.00 7,619 11,754 18,033 380.00 9,151 16,770 34,803 Device Routing Invert Outlet Devices #1 Primary 368.50' 24.0" Round Culvert X 2.00 L= 50.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 368.50' / 368.00' S= 0.0100 '/' Cc= 0.900 n= 0.025, Flow Area= 3.14 sf #2 Device 1 375.25' 60.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 379.00' 16.0' long + 3.0'/' SideZ x 16.0' breadth Broad -Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Primary OutFlow Max=86.30 cfs @ 12.05 hrs HW=379.97' (Free Discharge) t1=Culvert (Barrel Controls 86.30 cfs @ 13.73 fps) L2=Orifice/Grate (Passes 86.30 cfs of 205.46 cfs potential flow) $econdary OutFlow Max=46.33 cfs @ 12.05 hrs HW=379.97' (Free Discharge) 3=Broad-Crested Rectangular Weir (Weir Controls 46.33 cfs @ 2.52 fps) breezy hill Prepared by HP Inc. Pond 9P: Forebay 3 Hydrograph Inflow Area=17.200 a CI 150 170 Peak Elev=379.98' 10 Storage=34,593-cf- I329 d° 140 130 120�- 110 N u 100 90 0 86 1 Type I124-hr 100-yr Rainfall=8.90" Printed 9/7/2022 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ❑ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Pond 19P: 142C - Diversion [57] Hint: Peaked at 342.56' (Flood elevation advised) [79] Warning: Submerged Pond 4P Primary device # 1 OUTLET by 2.26' Inflow Area = 19.900 ac, 0.00% Impervious, Inflow Depth > 5.17" for 100-yr event Inflow = 53.21 cfs @ 12.00 hrs, Volume= 8.572 of Outflow = 53.21 cfs @ 12.00 hrs, Volume= 8.572 af, Atten= 0%, Lag= 0.0 min Primary = 5.63 cfs @ 12.02 hrs, Volume= 4.559 of Secondary = 47.61 cfs @ 12.00 hrs, Volume= 4.014 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 342.56' @ 12.02 hrs Device Routing Invert Outlet Devices #1 Primary 331.00' 12.0" Round Outlet to 42B-Level Spreader L= 278.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 331.00' / 324.20' S= 0.0245 '/' Cc= 0.900 n= 0.013, Flow Area= 0.79 sf #2 Device 1 331.00' 8.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 339.00' 36.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=5.60 cfs @ 12.02 hrs HW=342.42' (Free Discharge) t1=Outlet to 426-1-evel Spreader (Passes 5.60 cfs of 8.34 cfs potential flow) t2=Orifice/Grate (Orifice Controls 5.60 cfs @ 16.03 fps) $econdary OutFlow Max=47.61 cfs @ 12.00 hrs HW=342.46' (Free Discharge) 3=Orifice/Grate (Orifice Controls 47.61 cfs @ 6.74 fps) breezy hill Prepared by HP Inc. Type I124-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Pond 19P: 142C - Diversion Hydrograph Inflow Area=19.900 Peak Elev=342.56' 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ❑ Inflow ❑ Outflow ❑ Primary ❑ Secondary breezy hill Prepared by HP Inc. Type Il 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 Summary for Pond 21 P: 146 - Diversion [57] Hint: Peaked at 325.72' (Flood elevation advised) Inflow Area = 9.560 ac, 0.00% Impervious, Inflow Depth > 7.08" for 100-yr event Inflow = 65.40 cfs @ 12.00 hrs, Volume= 5.638 of Outflow = 65.40 cfs @ 12.00 hrs, Volume= 5.638 af, Atten= 0%, Lag= 0.0 min Primary = 3.58 cfs @ 12.00 hrs, Volume= 2.834 of Secondary = 61.82 cfs @ 12.00 hrs, Volume= 2.804 of Routed to Reach 22R : 146 bypass Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 325.72' @ 12.00 hrs Device Routing Invert Outlet Devices #1 Primary 320.85' 12.0" Round Level Spreader Diversion L= 64.0' RCP, rounded edge headwall, Ke= 0.100 Inlet / Outlet Invert= 320.85' / 320.10' S= 0.0117 '/' Cc= 0.900 n= 0.013, Flow Area= 0.79 sf #2 Device 1 320.85' 8.0" Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Secondary 322.65' 48.0" Vert. By -Pass Oriface C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=3.58 cfs @ 12.00 hrs HW=325.72' (Free Discharge) t1=Level Spreader Diversion (Passes 3.58 cfs of 7.68 cfs potential flow) L2=Orifice/Grate (Orifice Controls 3.58 cfs @ 10.26 fps) $ condary OutFlow Max=61.74 cfs @ 12.00 hrs HW=325.72' (Free Discharge) 3=By-Pass Oriface (Orifice Controls 61.74 cfs @ 5.97 fps) breezy hill Prepared by HP Inc. Pond 21 P: 146 - Diversion Hydrograph Time (hours) Type 1l 24-hr 100-yr Rainfall=8.90" Printed 9/7/2022 ■ Inflow ❑ Outflow ■ Primary ■ Secondary