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HomeMy WebLinkAbout24IWC7-339 Chesterfield Rd-Revised Culvert Calculations339 CHESTERFIELD RD CULVERT SIZING Printed 8/15/2024Prepared by RCL Thompson LLC Page 1HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Area Listing (all nodes) Area (acres) C Description (subcatchment-numbers) 9.084 0.30 FOREST (DA-PRE) 9.084 0.30 TOTAL AREA 339 CHESTERFIELD RD CULVERT SIZING Printed 8/15/2024Prepared by RCL Thompson LLC Page 2HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Pipe Listing (all nodes) Line# Node Number In-Invert (feet) Out-Invert (feet) Length (feet) Slope (ft/ft) n Width (inches) Diam/Height (inches) Inside-Fill (inches) 1 C1 382.40 382.20 15.0 0.0133 0.020 0.0 12.0 0.0 2 2P 382.40 382.20 15.0 0.0133 0.020 0.0 12.0 0.0 CT-Montville 2-yr Duration=1,440 min, Inten=0.14 in/hr339 CHESTERFIELD RD CULVERT SI Printed 8/15/2024Prepared by RCL Thompson LLC Page 3HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Time span=0.00-24.00 hrs, dt=0.01 hrs, 2401 points Runoff by Rational method, Rise/Fall=1.0/1.0 xTc Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Runoff Area=395,694 sf 0.00% Impervious Runoff Depth>1.04"Subcatchment DA-PRE: DA Tc=5.0 min C=0.30 Runoff=0.40 cfs 0.785 af Avg. Flow Depth=0.11' Max Vel=1.44 fps Inflow=0.40 cfs 0.743 afReach C1: CULVERT CROSSING 12.0" Round Pipe x 6.00 n=0.020 L=15.0' S=0.0133 '/' Capacity=16.04 cfs Outflow=0.40 cfs 0.743 af Peak Elev=382.55' Storage=0.041 af Inflow=0.40 cfs 0.785 afPond 2P: (new Pond) 12.0" Round Culvert x 6.00 n=0.020 L=15.0' S=0.0133 '/' Outflow=0.40 cfs 0.743 af Total Runoff Area = 9.084 ac Runoff Volume = 0.785 af Average Runoff Depth = 1.04" 100.00% Pervious = 9.084 ac 0.00% Impervious = 0.000 ac CT-Montville 2-yr Duration=1,440 min, Inten=0.14 in/hr339 CHESTERFIELD RD CULVERT SI Printed 8/15/2024Prepared by RCL Thompson LLC Page 4HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment DA-PRE: DA Runoff = 0.40 cfs @ 0.09 hrs, Volume= 0.785 af, Depth> 1.04" Runoff by Rational method, Rise/Fall=1.0/1.0 xTc, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs CT-Montville 2-yr Duration=1,440 min, Inten=0.14 in/hr Area (sf) C Description 395,694 0.30 FOREST 395,694 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, MIN. Subcatchment DA-PRE: DA Runoff Hydrograph Time (hours) 2423222120191817161514131211109876543210Flow (cfs)0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 CT-Montville 2-yr Duration=1,440 min, Inten=0.14 in/hr Runoff Area=395,694 sf Runoff Volume=0.785 af Runoff Depth>1.04" Tc=5.0 min C=0.30 0.40 cfs CT-Montville 2-yr Duration=1,440 min, Inten=0.14 in/hr339 CHESTERFIELD RD CULVERT SI Printed 8/15/2024Prepared by RCL Thompson LLC Page 5HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Summary for Reach C1: CULVERT CROSSING Inflow Area = 9.084 ac, 0.00% Impervious, Inflow Depth > 0.98" for 2-yr event Inflow = 0.40 cfs @ 20.42 hrs, Volume= 0.743 af Outflow = 0.40 cfs @ 20.43 hrs, Volume= 0.743 af, Atten= 0%, Lag= 0.6 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.44 fps, Min. Travel Time= 0.2 min Avg. Velocity = 1.40 fps, Avg. Travel Time= 0.2 min Peak Storage= 4 cf @ 20.43 hrs Average Depth at Peak Storage= 0.11' , Surface Width= 3.73' Bank-Full Depth= 1.00' Flow Area= 4.7 sf, Capacity= 16.04 cfs A factor of 6.00 has been applied to the storage and discharge capacity 12.0" Round Pipe n= 0.020 Corrugated PE, corrugated interior Length= 15.0' Slope= 0.0133 '/' Inlet Invert= 382.40', Outlet Invert= 382.20' Reach C1: CULVERT CROSSING Inflow Outflow Hydrograph Time (hours) 2423222120191817161514131211109876543210Flow (cfs)0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Inflow Area=9.084 ac Avg. Flow Depth=0.11' Max Vel=1.44 fps 12.0" Round Pipe x 6.00 n=0.020 L=15.0' S=0.0133 '/' Capacity=16.04 cfs 0.40 cfs 0.40 cfs CT-Montville 2-yr Duration=1,440 min, Inten=0.14 in/hr339 CHESTERFIELD RD CULVERT SI Printed 8/15/2024Prepared by RCL Thompson LLC Page 6HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Summary for Pond 2P: (new Pond) Inflow Area = 9.084 ac, 0.00% Impervious, Inflow Depth > 1.04" for 2-yr event Inflow = 0.40 cfs @ 0.09 hrs, Volume= 0.785 af Outflow = 0.40 cfs @ 20.42 hrs, Volume= 0.743 af, Atten= 0%, Lag= 1,219.8 min Primary = 0.40 cfs @ 20.42 hrs, Volume= 0.743 af Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Peak Elev= 382.55' @ 17.85 hrs Surf.Area= 0.286 ac Storage= 0.041 af Plug-Flow detention time= 74.9 min calculated for 0.743 af (95% of inflow) Center-of-Mass det. time= 37.1 min ( 758.5 - 721.4 ) Volume Invert Avail.Storage Storage Description #1 382.40' 0.747 af 60.00'W x 200.00'L x 2.10'H Prismatoid Z=6.0 Device Routing Invert Outlet Devices #1 Primary 382.40'12.0" Round Culvert X 6.00 L= 15.0' CPP, mitered to conform to fill, Ke= 0.700 Inlet / Outlet Invert= 382.40' / 382.20' S= 0.0133 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior, Flow Area= 0.79 sf Primary OutFlow Max=0.40 cfs @ 20.42 hrs HW=382.55' (Free Discharge) 1=Culvert (Barrel Controls 0.40 cfs @ 1.40 fps) Pond 2P: (new Pond) Inflow Primary Hydrograph Time (hours) 2423222120191817161514131211109876543210Flow (cfs)0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Inflow Area=9.084 ac Peak Elev=382.55' Storage=0.041 af 12.0" Round Culvert x 6.00 n=0.020 L=15.0' S=0.0133 '/' 0.40 cfs 0.40 cfs CT-Montville 10-yr Duration=1,440 min, Inten=0.21 in/hr339 CHESTERFIELD RD CULVERT SI Printed 8/15/2024Prepared by RCL Thompson LLC Page 7HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Time span=0.00-24.00 hrs, dt=0.01 hrs, 2401 points Runoff by Rational method, Rise/Fall=1.0/1.0 xTc Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Runoff Area=395,694 sf 0.00% Impervious Runoff Depth>1.53"Subcatchment DA-PRE: DA Tc=5.0 min C=0.30 Runoff=0.59 cfs 1.161 af Avg. Flow Depth=0.13' Max Vel=1.62 fps Inflow=0.59 cfs 1.111 afReach C1: CULVERT CROSSING 12.0" Round Pipe x 6.00 n=0.020 L=15.0' S=0.0133 '/' Capacity=16.04 cfs Outflow=0.59 cfs 1.110 af Peak Elev=382.58' Storage=0.050 af Inflow=0.59 cfs 1.161 afPond 2P: (new Pond) 12.0" Round Culvert x 6.00 n=0.020 L=15.0' S=0.0133 '/' Outflow=0.59 cfs 1.111 af Total Runoff Area = 9.084 ac Runoff Volume = 1.161 af Average Runoff Depth = 1.53" 100.00% Pervious = 9.084 ac 0.00% Impervious = 0.000 ac CT-Montville 10-yr Duration=1,440 min, Inten=0.21 in/hr339 CHESTERFIELD RD CULVERT SI Printed 8/15/2024Prepared by RCL Thompson LLC Page 8HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment DA-PRE: DA Runoff = 0.59 cfs @ 0.09 hrs, Volume= 1.161 af, Depth> 1.53" Runoff by Rational method, Rise/Fall=1.0/1.0 xTc, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs CT-Montville 10-yr Duration=1,440 min, Inten=0.21 in/hr Area (sf) C Description 395,694 0.30 FOREST 395,694 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, MIN. Subcatchment DA-PRE: DA Runoff Hydrograph Time (hours) 2423222120191817161514131211109876543210Flow (cfs)0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 CT-Montville 10-yr Duration=1,440 min, Inten=0.21 in/hr Runoff Area=395,694 sf Runoff Volume=1.161 af Runoff Depth>1.53" Tc=5.0 min C=0.30 0.59 cfs CT-Montville 10-yr Duration=1,440 min, Inten=0.21 in/hr339 CHESTERFIELD RD CULVERT SI Printed 8/15/2024Prepared by RCL Thompson LLC Page 9HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Summary for Reach C1: CULVERT CROSSING Inflow Area = 9.084 ac, 0.00% Impervious, Inflow Depth > 1.47" for 10-yr event Inflow = 0.59 cfs @ 17.41 hrs, Volume= 1.111 af Outflow = 0.59 cfs @ 17.42 hrs, Volume= 1.110 af, Atten= 0%, Lag= 0.6 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.62 fps, Min. Travel Time= 0.2 min Avg. Velocity = 1.58 fps, Avg. Travel Time= 0.2 min Peak Storage= 5 cf @ 17.41 hrs Average Depth at Peak Storage= 0.13' , Surface Width= 4.04' Bank-Full Depth= 1.00' Flow Area= 4.7 sf, Capacity= 16.04 cfs A factor of 6.00 has been applied to the storage and discharge capacity 12.0" Round Pipe n= 0.020 Corrugated PE, corrugated interior Length= 15.0' Slope= 0.0133 '/' Inlet Invert= 382.40', Outlet Invert= 382.20' Reach C1: CULVERT CROSSING Inflow Outflow Hydrograph Time (hours) 2423222120191817161514131211109876543210Flow (cfs)0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=9.084 ac Avg. Flow Depth=0.13' Max Vel=1.62 fps 12.0" Round Pipe x 6.00 n=0.020 L=15.0' S=0.0133 '/' Capacity=16.04 cfs 0.59 cfs 0.59 cfs CT-Montville 10-yr Duration=1,440 min, Inten=0.21 in/hr339 CHESTERFIELD RD CULVERT SI Printed 8/15/2024Prepared by RCL Thompson LLC Page 10HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Summary for Pond 2P: (new Pond) Inflow Area = 9.084 ac, 0.00% Impervious, Inflow Depth > 1.53" for 10-yr event Inflow = 0.59 cfs @ 0.09 hrs, Volume= 1.161 af Outflow = 0.59 cfs @ 17.41 hrs, Volume= 1.111 af, Atten= 0%, Lag= 1,039.2 min Primary = 0.59 cfs @ 17.41 hrs, Volume= 1.111 af Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Peak Elev= 382.58' @ 15.93 hrs Surf.Area= 0.288 ac Storage= 0.050 af Plug-Flow detention time= 61.7 min calculated for 1.111 af (96% of inflow) Center-of-Mass det. time= 30.6 min ( 752.0 - 721.4 ) Volume Invert Avail.Storage Storage Description #1 382.40' 0.747 af 60.00'W x 200.00'L x 2.10'H Prismatoid Z=6.0 Device Routing Invert Outlet Devices #1 Primary 382.40'12.0" Round Culvert X 6.00 L= 15.0' CPP, mitered to conform to fill, Ke= 0.700 Inlet / Outlet Invert= 382.40' / 382.20' S= 0.0133 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior, Flow Area= 0.79 sf Primary OutFlow Max=0.58 cfs @ 17.41 hrs HW=382.58' (Free Discharge) 1=Culvert (Barrel Controls 0.58 cfs @ 1.56 fps) Pond 2P: (new Pond) Inflow Primary Hydrograph Time (hours) 2423222120191817161514131211109876543210Flow (cfs)0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=9.084 ac Peak Elev=382.58' Storage=0.050 af 12.0" Round Culvert x 6.00 n=0.020 L=15.0' S=0.0133 '/' 0.59 cfs 0.59 cfs CT-Montville 100-yr Duration=1,440 min, Inten=0.32 in/hr339 CHESTERFIELD RD CULVERT Printed 8/15/2024Prepared by RCL Thompson LLC Page 11HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Time span=0.00-24.00 hrs, dt=0.01 hrs, 2401 points Runoff by Rational method, Rise/Fall=1.0/1.0 xTc Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Runoff Area=395,694 sf 0.00% Impervious Runoff Depth>2.32"Subcatchment DA-PRE: DA Tc=5.0 min C=0.30 Runoff=0.89 cfs 1.760 af Avg. Flow Depth=0.16' Max Vel=1.83 fps Inflow=0.89 cfs 1.697 afReach C1: CULVERT CROSSING 12.0" Round Pipe x 6.00 n=0.020 L=15.0' S=0.0133 '/' Capacity=16.04 cfs Outflow=0.89 cfs 1.697 af Peak Elev=382.62' Storage=0.062 af Inflow=0.89 cfs 1.760 afPond 2P: (new Pond) 12.0" Round Culvert x 6.00 n=0.020 L=15.0' S=0.0133 '/' Outflow=0.89 cfs 1.697 af Total Runoff Area = 9.084 ac Runoff Volume = 1.760 af Average Runoff Depth = 2.32" 100.00% Pervious = 9.084 ac 0.00% Impervious = 0.000 ac CT-Montville 100-yr Duration=1,440 min, Inten=0.32 in/hr339 CHESTERFIELD RD CULVERT Printed 8/15/2024Prepared by RCL Thompson LLC Page 12HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment DA-PRE: DA Runoff = 0.89 cfs @ 0.09 hrs, Volume= 1.760 af, Depth> 2.32" Runoff by Rational method, Rise/Fall=1.0/1.0 xTc, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs CT-Montville 100-yr Duration=1,440 min, Inten=0.32 in/hr Area (sf) C Description 395,694 0.30 FOREST 395,694 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, MIN. Subcatchment DA-PRE: DA Runoff Hydrograph Time (hours) 2423222120191817161514131211109876543210Flow (cfs)0.95 0.9 0.85 0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 CT-Montville 100-yr Duration=1,440 min, Inten=0.32 in/hr Runoff Area=395,694 sf Runoff Volume=1.760 af Runoff Depth>2.32" Tc=5.0 min C=0.30 0.89 cfs CT-Montville 100-yr Duration=1,440 min, Inten=0.32 in/hr339 CHESTERFIELD RD CULVERT Printed 8/15/2024Prepared by RCL Thompson LLC Page 13HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Summary for Reach C1: CULVERT CROSSING Inflow Area = 9.084 ac, 0.00% Impervious, Inflow Depth > 2.24" for 100-yr event Inflow = 0.89 cfs @ 14.93 hrs, Volume= 1.697 af Outflow = 0.89 cfs @ 14.94 hrs, Volume= 1.697 af, Atten= 0%, Lag= 0.6 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.83 fps, Min. Travel Time= 0.1 min Avg. Velocity = 1.80 fps, Avg. Travel Time= 0.1 min Peak Storage= 7 cf @ 14.94 hrs Average Depth at Peak Storage= 0.16' , Surface Width= 4.40' Bank-Full Depth= 1.00' Flow Area= 4.7 sf, Capacity= 16.04 cfs A factor of 6.00 has been applied to the storage and discharge capacity 12.0" Round Pipe n= 0.020 Corrugated PE, corrugated interior Length= 15.0' Slope= 0.0133 '/' Inlet Invert= 382.40', Outlet Invert= 382.20' Reach C1: CULVERT CROSSING Inflow Outflow Hydrograph Time (hours) 2423222120191817161514131211109876543210Flow (cfs)0.95 0.9 0.85 0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=9.084 ac Avg. Flow Depth=0.16' Max Vel=1.83 fps 12.0" Round Pipe x 6.00 n=0.020 L=15.0' S=0.0133 '/' Capacity=16.04 cfs 0.89 cfs 0.89 cfs CT-Montville 100-yr Duration=1,440 min, Inten=0.32 in/hr339 CHESTERFIELD RD CULVERT Printed 8/15/2024Prepared by RCL Thompson LLC Page 14HydroCAD® 10.10-5a s/n 11136 © 2020 HydroCAD Software Solutions LLC Summary for Pond 2P: (new Pond) Inflow Area = 9.084 ac, 0.00% Impervious, Inflow Depth > 2.32" for 100-yr event Inflow = 0.89 cfs @ 0.09 hrs, Volume= 1.760 af Outflow = 0.89 cfs @ 14.93 hrs, Volume= 1.697 af, Atten= 0%, Lag= 890.4 min Primary = 0.89 cfs @ 14.93 hrs, Volume= 1.697 af Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Peak Elev= 382.62' @ 13.17 hrs Surf.Area= 0.291 ac Storage= 0.062 af Plug-Flow detention time= 50.6 min calculated for 1.697 af (96% of inflow) Center-of-Mass det. time= 25.1 min ( 746.5 - 721.4 ) Volume Invert Avail.Storage Storage Description #1 382.40' 0.747 af 60.00'W x 200.00'L x 2.10'H Prismatoid Z=6.0 Device Routing Invert Outlet Devices #1 Primary 382.40'12.0" Round Culvert X 6.00 L= 15.0' CPP, mitered to conform to fill, Ke= 0.700 Inlet / Outlet Invert= 382.40' / 382.20' S= 0.0133 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior, Flow Area= 0.79 sf Primary OutFlow Max=0.89 cfs @ 14.93 hrs HW=382.62' (Free Discharge) 1=Culvert (Barrel Controls 0.89 cfs @ 1.74 fps) Pond 2P: (new Pond) Inflow Primary Hydrograph Time (hours) 2423222120191817161514131211109876543210Flow (cfs)0.95 0.9 0.85 0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=9.084 ac Peak Elev=382.62' Storage=0.062 af 12.0" Round Culvert x 6.00 n=0.020 L=15.0' S=0.0133 '/' 0.89 cfs 0.89 cfs