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HomeMy WebLinkAbout24IWC7-339 Chesterfield Rd-20 Acre 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) 20.000 0.30 FOREST (DA-PRE) 20.000 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=20.000 ac 0.00% Impervious Runoff Depth>1.04"Subcatchment DA-PRE: DA Tc=5.0 min C=0.30 Runoff=0.87 cfs 1.727 af Avg. Flow Depth=0.16' Max Vel=1.82 fps Inflow=0.87 cfs 1.666 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=0.87 cfs 1.665 af Peak Elev=382.62' Storage=0.062 af Inflow=0.87 cfs 1.727 afPond 2P: (new Pond) 12.0" Round Culvert x 6.00 n=0.020 L=15.0' S=0.0133 '/' Outflow=0.87 cfs 1.666 af Total Runoff Area = 20.000 ac Runoff Volume = 1.727 af Average Runoff Depth = 1.04" 100.00% Pervious = 20.000 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 = 0.87 cfs @ 0.09 hrs, Volume= 1.727 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 (ac) C Description 20.000 0.30 FOREST 20.000 100.00% 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 2-yr Duration=1,440 min, Inten=0.14 in/hr Runoff Area=20.000 ac Runoff Volume=1.727 af Runoff Depth>1.04" Tc=5.0 min C=0.30 0.87 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 = 20.000 ac, 0.00% Impervious, Inflow Depth > 1.00" for 2-yr event Inflow = 0.87 cfs @ 15.25 hrs, Volume= 1.666 af Outflow = 0.87 cfs @ 15.26 hrs, Volume= 1.665 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= 1.82 fps, Min. Travel Time= 0.1 min Avg. Velocity = 1.79 fps, Avg. Travel Time= 0.1 min Peak Storage= 7 cf @ 15.26 hrs Average Depth at Peak Storage= 0.16' , Surface Width= 4.38' 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=20.000 ac Avg. Flow Depth=0.16' Max Vel=1.82 fps 12.0" Round Pipe x 6.00 n=0.020 L=15.0' S=0.0133 '/' Capacity=16.04 cfs 0.87 cfs 0.87 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 = 20.000 ac, 0.00% Impervious, Inflow Depth > 1.04" for 2-yr event Inflow = 0.87 cfs @ 0.09 hrs, Volume= 1.727 af Outflow = 0.87 cfs @ 15.25 hrs, Volume= 1.666 af, Atten= 0%, Lag= 909.6 min Primary = 0.87 cfs @ 15.25 hrs, Volume= 1.666 af Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Peak Elev= 382.62' @ 13.33 hrs Surf.Area= 0.291 ac Storage= 0.062 af Plug-Flow detention time= 51.0 min calculated for 1.666 af (96% of inflow) Center-of-Mass det. time= 25.3 min ( 746.7 - 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=0.87 cfs @ 15.25 hrs HW=382.62' (Free Discharge) 1=Culvert (Barrel Controls 0.87 cfs @ 1.73 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=20.000 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 '/' 0.87 cfs 0.87 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=20.000 ac 0.00% Impervious Runoff Depth>1.53"Subcatchment DA-PRE: DA Tc=5.0 min C=0.30 Runoff=1.29 cfs 2.556 af Avg. Flow Depth=0.19' Max Vel=2.04 fps Inflow=1.29 cfs 2.480 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=1.29 cfs 2.480 af Peak Elev=382.67' Storage=0.076 af Inflow=1.29 cfs 2.556 afPond 2P: (new Pond) 12.0" Round Culvert x 6.00 n=0.020 L=15.0' S=0.0133 '/' Outflow=1.29 cfs 2.480 af Total Runoff Area = 20.000 ac Runoff Volume = 2.556 af Average Runoff Depth = 1.53" 100.00% Pervious = 20.000 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 = 1.29 cfs @ 0.09 hrs, Volume= 2.556 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 (ac) C Description 20.000 0.30 FOREST 20.000 100.00% 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)1 0 CT-Montville 10-yr Duration=1,440 min, Inten=0.21 in/hr Runoff Area=20.000 ac Runoff Volume=2.556 af Runoff Depth>1.53" Tc=5.0 min C=0.30 1.29 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 = 20.000 ac, 0.00% Impervious, Inflow Depth > 1.49" for 10-yr event Inflow = 1.29 cfs @ 13.14 hrs, Volume= 2.480 af Outflow = 1.29 cfs @ 13.15 hrs, Volume= 2.480 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= 2.04 fps, Min. Travel Time= 0.1 min Avg. Velocity = 2.01 fps, Avg. Travel Time= 0.1 min Peak Storage= 9 cf @ 13.14 hrs Average Depth at Peak Storage= 0.19' , Surface Width= 4.72' 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)1 0 Inflow Area=20.000 ac Avg. Flow Depth=0.19' Max Vel=2.04 fps 12.0" Round Pipe x 6.00 n=0.020 L=15.0' S=0.0133 '/' Capacity=16.04 cfs 1.29 cfs 1.29 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 = 20.000 ac, 0.00% Impervious, Inflow Depth > 1.53" for 10-yr event Inflow = 1.29 cfs @ 0.09 hrs, Volume= 2.556 af Outflow = 1.29 cfs @ 13.14 hrs, Volume= 2.480 af, Atten= 0%, Lag= 783.0 min Primary = 1.29 cfs @ 13.14 hrs, Volume= 2.480 af Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Peak Elev= 382.67' @ 12.76 hrs Surf.Area= 0.295 ac Storage= 0.076 af Plug-Flow detention time= 42.5 min calculated for 2.479 af (97% of inflow) Center-of-Mass det. time= 21.1 min ( 742.5 - 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=1.29 cfs @ 13.14 hrs HW=382.67' (Free Discharge) 1=Culvert (Barrel Controls 1.29 cfs @ 1.92 fps) Pond 2P: (new Pond) Inflow Primary Hydrograph Time (hours) 2423222120191817161514131211109876543210Flow (cfs)1 0 Inflow Area=20.000 ac Peak Elev=382.67' Storage=0.076 af 12.0" Round Culvert x 6.00 n=0.020 L=15.0' S=0.0133 '/' 1.29 cfs 1.29 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=20.000 ac 0.00% Impervious Runoff Depth>2.32"Subcatchment DA-PRE: DA Tc=5.0 min C=0.30 Runoff=1.96 cfs 3.874 af Avg. Flow Depth=0.24' Max Vel=2.31 fps Inflow=1.96 cfs 3.779 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=1.96 cfs 3.778 af Peak Elev=382.73' Storage=0.095 af Inflow=1.96 cfs 3.874 afPond 2P: (new Pond) 12.0" Round Culvert x 6.00 n=0.020 L=15.0' S=0.0133 '/' Outflow=1.96 cfs 3.779 af Total Runoff Area = 20.000 ac Runoff Volume = 3.874 af Average Runoff Depth = 2.32" 100.00% Pervious = 20.000 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 = 1.96 cfs @ 0.09 hrs, Volume= 3.874 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 (ac) C Description 20.000 0.30 FOREST 20.000 100.00% 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)2 1 0 CT-Montville 100-yr Duration=1,440 min, Inten=0.32 in/hr Runoff Area=20.000 ac Runoff Volume=3.874 af Runoff Depth>2.32" Tc=5.0 min C=0.30 1.96 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 = 20.000 ac, 0.00% Impervious, Inflow Depth > 2.27" for 100-yr event Inflow = 1.96 cfs @ 11.15 hrs, Volume= 3.779 af Outflow = 1.96 cfs @ 11.16 hrs, Volume= 3.778 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= 2.31 fps, Min. Travel Time= 0.1 min Avg. Velocity = 2.28 fps, Avg. Travel Time= 0.1 min Peak Storage= 13 cf @ 11.15 hrs Average Depth at Peak Storage= 0.24' , Surface Width= 5.09' 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)2 1 0 Inflow Area=20.000 ac Avg. Flow Depth=0.24' Max Vel=2.31 fps 12.0" Round Pipe x 6.00 n=0.020 L=15.0' S=0.0133 '/' Capacity=16.04 cfs 1.96 cfs 1.96 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 = 20.000 ac, 0.00% Impervious, Inflow Depth > 2.32" for 100-yr event Inflow = 1.96 cfs @ 0.09 hrs, Volume= 3.874 af Outflow = 1.96 cfs @ 11.15 hrs, Volume= 3.779 af, Atten= 0%, Lag= 663.6 min Primary = 1.96 cfs @ 11.15 hrs, Volume= 3.779 af Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Peak Elev= 382.73' @ 9.90 hrs Surf.Area= 0.300 ac Storage= 0.095 af Plug-Flow detention time= 35.2 min calculated for 3.777 af (97% of inflow) Center-of-Mass det. time= 17.5 min ( 738.9 - 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=1.96 cfs @ 11.15 hrs HW=382.73' (Free Discharge) 1=Culvert (Barrel Controls 1.96 cfs @ 2.14 fps) Pond 2P: (new Pond) Inflow Primary Hydrograph Time (hours) 2423222120191817161514131211109876543210Flow (cfs)2 1 0 Inflow Area=20.000 ac Peak Elev=382.73' Storage=0.095 af 12.0" Round Culvert x 6.00 n=0.020 L=15.0' S=0.0133 '/' 1.96 cfs 1.96 cfs