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HomeMy WebLinkAboutWPO202200038 Calculations 2022-09-14 (4)20S 5S 21 S 1+00 2+00 240 0+00 - 1 0 4R �� E6R] D 19R 0+00 - 0+60 1 +00 - 1 +60 1 +60 - Outfal I Subcat Reach On Link Routing Diagram for Ditchl_POA#1 Prepared by HP Inc., Printed 9/6/2022 HydroCADO 10.10-7c sin 08126 0 2022 HydroCAD Software Solutions LLC Ditch1_POA#1 Prepared by HP Inc. Area Listing (all nodes) Area C Description (acres) (subcatchment-numbers) 0.560 0.35 (5S, 20S) 0.450 0.35 (21 S) Printed 9/6/2022 Ditch1_POA#1 Albemarle Rainfall2-yr Duration=7 min, Inten=4.50 in/hr Prepared by HP Inc. Printed 9/6/2022 HVdroCADO 10.10-7c s/n 08126 © 2022 HVdroCAD Software Solutions LLC Paae 3 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 method - Pond routing by Stor-Ind method Subcatchment 5S: 1+00 - 2+00 Runoff Area=0.350 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.56 cfs 0.005 of Subcatchment 20S: 0+00 - 1+00 Runoff Area=0.210 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.33 cfs 0.003 of Subcatchment 21S: 2+00 - Runoff Area=0.450 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.71 cfs 0.007 of Reach 4R: 0+00 - 0+60 Avg. Flow Depth=0.28' Max Vet=1.42 fps Inflow=0.33 cfs 0.003 of n=0.035 L=60.0' S=0.0168 7 Capacity=10.01 cfs Outflow=0.33 cfs 0.003 of Reach 6R: 1+00 - 1+60 Avg. Flow Depth=0.26' Max Vet=4.22 fps Inflow=0.89 cfs 0.009 of n=0.035 L=100.0' S=0.1579'/' Capacity=30.67 cfs Outflow=0.89 cfs 0.009 of Reach 19R: 1+60 - Outfall Avg. Flow Depth=0.50' Max Vet=2.16 fps Inflow=1.60 cfs 0.015 of n=0.035 L=20.0' S=0.0180'/' Capacity=10.36 cfs Outflow=1.60 cfs 0.015 of Total Runoff Area = 1.010 ac Runoff Volume = 0.015 of Average Runoff Depth = 0.18" 100.00% Pervious = 1.010 ac 0.00% Impervious = 0.000 ac Ditch1_POA#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 5S: 1+00 - 2+00 Runoff = 0.56 cfs @ 0.09 hrs, Volume= 0.005 af, Depth= 0.18" Routed to Reach 6R : 1+00 - 1+60 Runoff by Rational method, Rise/Fall=1.0/1.0 xTc, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr 0.350 0.35 0.350 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 5S: 1+00 - 2+00 Hydrograph ■ Rugff 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) Ditch1_POA#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 20S: 0+00 -1+00 Runoff = 0.33 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.18" Routed to Reach 4R : 0+00 - 0+60 Runoff by Rational method, Rise/Fall=1.0/1.0 xTc, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr 0.210 0.35 0.210 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 5 0.36 0. 0. 0.32 0.3 0.28 0.26 0.24 0.22 0.2 c 0.18 LL 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Subcatchment 20S: 0+00 -1+00 Hydrograph <F ■■MEMO■■■■■ ■■■■■■■■ ,, ■MM■■MOM■■MM.w■■w�wr■■w■ ■■w■wwww■www■■wn������rw I� EMMEMMEMMEMMEMMidWriiW�iYWiti ■■MM■■MOM■■MM■�A!!!w�At/�!ww EMMEMMEMMEM�7}IT�DITITI"1'�TTi��E� ww■■wwww■www■■rr�1�1Iw�IrM�l4■ ■■w■■■■■w■■■■■;■■W'-'-�■��M ill � i w wwwwwwwwwwwwwwww iwwwwwwwwwwwwwwwww ll ................. w■ 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 Ditch1_POA#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 21S: 2+00 - Runoff = 0.71 cfs @ 0.09 hrs, Volume= 0.007 af, Depth= 0.18" Routed to Reach 19R : 1+60 - Outfall Runoff by Rational method, Rise/Fall=1.0/1.0 xTc, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr 0.450 0.35 0.450 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 21S: 2+00 - Hydrograph Him 0041 ........... ' - .- it • • 1 11�� .................. NEON 0 �I�........ , ,,,,,,,,,,,,,,,,,,,,,,,......,,,,,,, 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) ■ Rurwff Ditch1_POA#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Reach 4R: 0+00 - 0+60 Inflow Area = 0.210 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.33 cfs @ 0.09 hrs, Volume= 0.003 of Outflow = 0.33 cfs @ 0.11 hrs, Volume= 0.003 af, Atten= 0%, Lag= 1.2 min Routed to Reach 6R : 1+00 - 1+60 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.42 fps, Min. Travel Time= 0.7 min Avg. Velocity = 0.59 fps, Avg. Travel Time= 1.7 min Peak Storage= 14 cf @ 0.11 hrs Average Depth at Peak Storage= 0.28' , Surface Width= 1.67' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 10.01 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 60.0' Slope= 0.0168 7' Inlet Invert= 393.00', Outlet Invert= 391.99' a 0.04 Reach 4R: 0+00 - 0+60 Inflow Area=0.210 ac Avg. Flow Depth=0.28' Max Vet=1.42 fps I I! n=0.035 1.0168 0.01 C 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 Ditch1_POA#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 6R: 1+00 -1+60 [61] Hint: Exceeded Reach 4R outlet invert by 0.26' @ 0.11 hrs Printed 9/6/2022 Inflow Area = 0.560 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.89 cfs @ 0.11 hrs, Volume= 0.009 of Outflow = 0.89 cfs @ 0.11 hrs, Volume= 0.009 af, Atten= 0%, Lag= 0.2 min Routed to Reach 19R : 1+60 - Outfall Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 4.22 fps, Min. Travel Time= 0.4 min Avg. Velocity = 1.81 fps, Avg. Travel Time= 0.9 min Peak Storage= 21 cf @ 0.11 hrs Average Depth at Peak Storage= 0.26' , Surface Width= 1.59' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 30.67 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0 7' Top Width= 6.00' Length= 100.0' Slope= 0.1579 7' Inlet Invert= 391.99', Outlet Invert= 376.20' Ditch1_POA#1 Prepared by HP Inc. 0. 0.8 0. 0.7 0. 0.6 0. 0.5 3 0. ME0.4 0. 0.3 0. 0.2 0. 0.1 0. Albemarle Rainfall 2-yr Duration=7 min, lnten=4.50 in/hr Printed 9/6/2022 Reach 6R: 1+00 - 1+60 Hydrograph ........ ....... ............... t ■ Inflow ❑ Outflow Ditch1_POA#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Reach 19R: 1+60 - Outfall Inflow Area = 1.010 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 1.60 cfs @ 0.11 hrs, Volume= 0.015 of Outflow = 1.60 cfs @ 0.11 hrs, Volume= 0.015 af, Atten= 0%, Lag= 0.1 min Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.16 fps, Min. Travel Time= 0.2 min Avg. Velocity = 0.74 fps, Avg. Travel Time= 0.4 min Peak Storage= 15 cf @ 0.11 hrs Average Depth at Peak Storage= 0.50' , Surface Width= 2.98' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 10.36 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 20.0' Slope= 0.0180 T Inlet Invert= 375.50', Outlet Invert= 375.14' Reach 19R: 1+60 - Outfall Hydrograph ❑ Inflow ❑ Outflow Time (hours) Ditch1_POA#1 Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Prepared by HP Inc. Printed 9/6/2022 HVdroCADO 10.10-7c s/n 08126 © 2022 HVdroCAD Software Solutions LLC Paoe 11 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 method - Pond routing by Stor-Ind method Subcatchment 5S: 1+00 - 2+00 Runoff Area=0.350 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.73 cfs 0.007 of Subcatchment 20S: 0+00 - 1+00 Runoff Area=0.210 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.44 cfs 0.004 of Subcatchment 21S: 2+00 - Runoff Area=0.450 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.94 cfs 0.009 of Reach 4R: 0+00 - 0+60 Avg. Flow Depth=0.31' Max Vet=1.53 fps Inflow=0.44 cfs 0.004 of n=0.035 L=60.0' S=0.0168'/' Capacity=10.01 cfs Outflow=0.44 cfs 0.004 of Reach 6R: 1+00 - 1+60 Avg. Flow Depth=0.29' Max Vet=4.52 fps Inflow=1.18 cfs 0.011 of n=0.035 L=100.0' S=0.1579'/' Capacity=30.67 cfs Outflow=1.17 cfs 0.011 of Reach 19R: 1+60 - Outfall Avg. Flow Depth=0.55' Max Vet=2.32 fps Inflow=2.12 cfs 0.020 of n=0.035 L=20.0' S=0.0180'/' Capacity=10.36 cfs Outflow=2.12 cfs 0.020 of Total Runoff Area = 1.010 ac Runoff Volume = 0.020 of Average Runoff Depth = 0.24" 100.00% Pervious = 1.010 ac 0.00% Impervious = 0.000 ac Ditch1_POA#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 5S: 1+00 - 2+00 Runoff = 0.73 cfs @ 0.09 hrs, Volume= 0.007 af, Depth= 0.24" Routed to Reach 6R : 1+00 - 1+60 Runoff by Rational method, Rise/Fall=1.0/1.0 xTc, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr 0.350 0.35 0.350 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 5S: 1+00 - 2+00 Hydrograph LLrii ■■■M■M■■M MEMEMEMEN 100A ................������. 01 , ,,,,,,,,,,,,,,,,,,,,,......,,,,,,, 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) ■ Rurwff Ditch1_POA#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 20S: 0+00 -1+00 Runoff = 0.44 cfs @ 0.09 hrs, Volume= 0.004 af, Depth= 0.24" Routed to Reach 4R : 0+00 - 0+60 Runoff by Rational method, Rise/Fall=1.0/1.0 xTc, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr 0.210 0.35 0.210 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 5 0 0 0 0 Subcatchment 20S: 0+00 -1+00 Hydrograph t: III Albemarle Rainfall 1 • • . 1 1 ac Runoff • - 1 11 1 min IIIIIIIIIIIIIII•� �MI♦MMM���� � �I♦����I♦� �� � � ----------- --------- ------ - - MM�MMMMM MMIMMIMMMM MME M=MI•MMMM I♦��� %////////////////////// 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 Ditch1_POA#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Subcatchment 21S: 2+00 - Runoff = 0.94 cfs @ 0.09 hrs, Volume= 0.009 af, Depth= 0.24" Routed to Reach 19R : 1+60 - Outfall Printed 9/6/2022 Runoff by Rational method, Rise/Fall=1.0/1.0 xTc, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr 0.450 0.35 0.450 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 21S: 2+00 - Hydrograph o ea cs rl a�nfall1 -Y�r Al e uation=� ir, Inten=5.94 in/hr Runoff Area=0.450 ac no V lume=0.00 of pjh40;4�1 n ff DTc=5.0 nin C=0.35 ❑ RunoH Ditch1_POA#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Reach 4R: 0+00 - 0+60 Inflow Area = 0.210 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.44 cfs @ 0.09 hrs, Volume= 0.004 of Outflow = 0.44 cfs @ 0.11 hrs, Volume= 0.004 af, Atten= 0%, Lag= 1.2 min Routed to Reach 6R : 1+00 - 1+60 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.53 fps, Min. Travel Time= 0.7 min Avg. Velocity = 0.62 fps, Avg. Travel Time= 1.6 min Peak Storage= 17 cf @ 0.11 hrs Average Depth at Peak Storage= 0.31' , Surface Width= 1.86' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 10.01 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 60.0' Slope= 0.0168 7' Inlet Invert= 393.00', Outlet Invert= 391.99' Reach 4R: 0+00 - 0+60 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) Ditch1_POA#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 6R: 1+00 -1+60 [61] Hint: Exceeded Reach 4R outlet invert by 0.29' @ 0.11 hrs Printed 9/6/2022 Inflow Area = 0.560 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.18 cfs @ 0.11 hrs, Volume= 0.011 of Outflow = 1.17 cfs @ 0.11 hrs, Volume= 0.011 af, Atten= 0%, Lag= 0.2 min Routed to Reach 19R : 1+60 - Outfall Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 4.52 fps, Min. Travel Time= 0.4 min Avg. Velocity = 1.91 fps, Avg. Travel Time= 0.9 min Peak Storage= 26 cf @ 0.11 hrs Average Depth at Peak Storage= 0.29' , Surface Width= 1.76' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 30.67 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0 7' Top Width= 6.00' Length= 100.0' Slope= 0.1579 7' Inlet Invert= 391.99', Outlet Invert= 376.20' Ditch1_POA#7 Prepared by HP Inc. L t Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Printed 9/6/2022 Reach 6R:1+00-1+60 Hydrograph r1111111111111111 �• • • far i I j+' r I U 1 III III Time (houm) ■ Inflow ■ Outflow Ditch1_POA#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Reach 19R: 1+60 - Outfall Inflow Area = 1.010 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 2.12 cfs @ 0.11 hrs, Volume= 0.020 of Outflow = 2.12 cfs @ 0.11 hrs, Volume= 0.020 af, Atten= 0%, Lag= 0.1 min Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.32 fps, Min. Travel Time= 0.1 min Avg. Velocity = 0.78 fps, Avg. Travel Time= 0.4 min Peak Storage= 18 cf @ 0.11 hrs Average Depth at Peak Storage= 0.55' , Surface Width= 3.31' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 10.36 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 20.0' Slope= 0.0180 T Inlet Invert= 375.50', Outlet Invert= 375.14' Reach 19R: 1+60 - Outfall Hydrograph ❑ Inflow ❑ Outflow Time (hours)