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HomeMy WebLinkAboutWPO202200038 Calculations 2022-09-14 (10)1S 5S 7S gS 11S O O O O 0+00 - �+00 1+00 - �+00 2+00 -I3+00 3+00 -1400 3+00 - 400 4R -- , F6R] -� [8R] -� [10R -p F17R] 1+00 1+00 - 1+84 1+84 - 2+50 2+50 - 3+50 3+50 - 4+50 Subcat Reach On Link Routing Diagram for Ditch2_POA#5 Prepared by HP Inc., Printed 9/6/2022 FHydroCAD@ 10. 1 0-7c sin 08126 0 2022 HydroCAD Software Solutions LLC Ditch2_POA#5 Prepared by HP Inc. Project Notes Defined 10 rainfall events from Albemarle Rainfall OF Copied 10 events from Albemarle Rainfall 24-hr S1 storm Printed 9/6/2022 Ditch2_POA#5 Prepared by HP Inc. Area Listing (all nodes) Area C Description (acres) (subcatchment-numbers) 0.930 0.35 (1S, 5S, 7S, 9S, 11S) 0.930 0.35 TOTAL AREA Printed 9/6/2022 Ditch2_POA#5 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Prepared by HP Inc. Printed 9/6/2022 HVdroCAD® 10.10-7c s/n 08126 © 2022 HVdroCAD Software Solutions LLC Paae 4 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 1S: 0+00 - 1+00 Runoff Area=0.050 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.08 cfs 0.001 of Subcatchment 5S: 1+00 - 2+00 Runoff Area=0.150 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.24 cfs 0.002 of Subcatchment 7S: 2+00 - 3+00 Runoff Area=0.400 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.64 cfs 0.006 of Subcatchment 9S: 3+00 - 4+00 Runoff Area=0.180 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.29 cfs 0.003 of Subcatchment 11S: 3+00 - 4+00 Runoff Area=0.150 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.24 cfs 0.002 of Reach 4R: 1+00 Avg. Flow Depth=0.19' Max Vet=0.61 fps Inflow=0.08 cfs 0.001 of n=0.035 L=100.0' S=0.0050'/' Capacity=5.46 cfs Outflow=0.07 cfs 0.001 of Reach 6R: 1+00 - 1+84 Avg. Flow Depth=0.28' Max Vet=1.20 fps Inflow=0.30 cfs 0.003 of n=0.035 L=84.0' S=0.0118 T Capacity=8.38 cfs Outflow=0.29 cfs 0.003 of Reach 8R: 1+84 - 2+50 Avg. Flow Depth=0.31' Max Vet=3.22 fps Inflow=0.92 cfs 0.009 of n=0.035 L=66.0' S=0.0756'/' Capacity=21.22 cfs Outflow=0.91 cfs 0.009 of Reach 1 OR: 2+50 - 3+50 Avg. Flow Depth=0.24' Max Vet=10.46 fps Inflow=1.19 cfs 0.012 of n=0.015 L=100.0' S=0.2200'/' Capacity=54.35 cfs Outflow=1.19 cfs 0.012 of Reach 17R: 3+50 - 4+50 Avg. Flow Depth=0.27' Max Vet=9.47 fps Inflow=1.43 cfs 0.014 of n=0.015 L=100.0' S=0.1500'/' Capacity=7.07 cfs Outflow=1.43 cfs 0.014 of Total Runoff Area = 0.930 ac Runoff Volume = 0.014 of Average Runoff Depth = 0.18" 100.00% Pervious = 0.930 ac 0.00% Impervious = 0.000 ac Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 1S: 0+00 -1+00 Runoff = 0.08 cfs @ 0.09 hrs, Volume= 0.001 af, Depth= 0.18" Routed to Reach 4R : 1+00 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 0.050 0.35 0.050 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 1S: 0+00 -1+00 Hydrograph ■ Rurwff 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) Ditch2_POA#5 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 = 0.24 cfs @ 0.09 hrs, Volume= 0.002 af, Depth= 0.18" Routed to Reach 6R : 1+00 - 1+84 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 0.150 0.35 0.150 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0.2 0. 0.2 0. 0.1 0.1 �. 0.1 0 LL 0.1 0. 0.0 0.0 0.0 0.0 Subcatchment 5S: 1+00 - 2+00 Hydrograph ■■■■■■■■■■ ■■■ �I I - _ • • • IIMM r 11fi■ 1 1 - 1 11 , : • ■■■■■■■■■■■■ ■■■■■■■■■■■■ ■■■■■■■■■■■ it �I ■■■■■■■■■■■■■:::■ ; ■■■■■■■■■■■■■■■■■ ■■■■■■■■■■■■■■■■■■■OR �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 Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 7S: 2+00 - 3+00 Runoff = 0.64 cfs @ 0.09 hrs, Volume= 0.006 af, Depth= 0.18" Routed to Reach 8R : 1+84 - 2+50 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 0.400 0.35 0.400 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 7S: 2+00 - 3+00 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) Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 9S: 3+00 - 4+00 Runoff = 0.29 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.18" Routed to Reach 10R : 2+50 - 3+50 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 0.180 0.35 0.180 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 9S: 3+00 - 4+00 Hydrograph ■ Rurwff Time (hours) Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 11S: 3+00 - 4+00 Runoff = 0.24 cfs @ 0.09 hrs, Volume= 0.002 af, Depth= 0.18" Routed to Reach 17R : 3+50 - 4+50 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 0.150 0.35 0.150 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0.2 0. 0.2 0. 0.1 0.1 �. 0.1 0 LL 0.1 0. 0.0 0.0 0.0 0.0 Subcatchment 11S: 3+00 - 4+00 Hydrograph ■■■■■■■■■■ ■■■ �I I - _ • • • IIMM r 11fi■ 1 1 - 1 11 , : • ■■■■■■■■■■■■ ■■■■■■■■■■■■ ■■■■■■■■■■■ it �I ■■■■■■■■■■■■■:::■ ; ■■■■■■■■■■■■■■■■■ ■■■■■■■■■■■■■■■■■■■OR �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 Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Reach 4R: 1+00 Inflow Area = 0.050 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.08 cfs @ 0.09 hrs, Volume= 0.001 of Outflow = 0.07 cfs @ 0.13 hrs, Volume= 0.001 af, Atten= 16%, Lag= 2.4 min Routed to Reach 6R : 1+00 - 1+84 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 0.61 fps, Min. Travel Time= 2.8 min Avg. Velocity = 0.20 fps, Avg. Travel Time= 8.2 min Peak Storage= 11 cf @ 0.13 hrs Average Depth at Peak Storage= 0.19' , Surface Width= 1.15' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 5.46 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 6.00' Length= 100.0' Slope= 0.0050'/' Inlet Invert= 363.49', Outlet Invert= 362.99' 0.085 0.08 0.075 p m 0.065 0.06 0.055 w 0.05 0.045 LL 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 a Reach 4R:1+00 Hydrograph f mmmmmmmmmmmmmmm ■■■■■■■■■ ■■■■■■■■■ • • . • . ® • ■■■■■■■■■ ■■■■■■■■■ ■■■■■■■■MEMEME ■■■■■■■■■ ■■■■ ■■■■■■■■■■■ ■■ 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 Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 6R: 1+00 - 1+84 [62] Hint: Exceeded Reach 4R OUTLET depth by 0.09' @ 0.10 hrs Printed 9/6/2022 Inflow Area = 0.200 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.30 cfs @ 0.11 hrs, Volume= 0.003 of Outflow = 0.29 cfs @ 0.12 hrs, Volume= 0.003 af, Atten= 3%, Lag= 0.7 min Routed to Reach 8R : 1+84 - 2+50 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.20 fps, Min. Travel Time= 1.2 min Avg. Velocity = 0.35 fps, Avg. Travel Time= 4.1 min Peak Storage= 20 cf @ 0.12 hrs Average Depth at Peak Storage= 0.28' , Surface Width= 1.70' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.38 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0 7' Top Width= 6.00' Length= 84.0' Slope= 0.0118 '/' Inlet Invert= 362.99', Outlet Invert= 362.00' Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Reach 6R: 1+00 - 1+84 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ■ Outflow Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 8R: 1+84 - 2+50 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.04' @ 0.03 hrs Printed 9/6/2022 Inflow Area = 0.600 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.92 cfs @ 0.11 hrs, Volume= 0.009 of Outflow = 0.91 cfs @ 0.11 hrs, Volume= 0.009 af, Atten= 1 %, Lag= 0.3 min Routed to Reach 1 OR : 2+50 - 3+50 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 3.22 fps, Min. Travel Time= 0.3 min Avg. Velocity = 0.95 fps, Avg. Travel Time= 1.2 min Peak Storage= 19 cf @ 0.11 hrs Average Depth at Peak Storage= 0.31' , Surface Width= 1.84' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 21.22 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 6.00' Length= 66.0' Slope= 0.0756 T Inlet Invert= 361.99', Outlet Invert= 357.00' Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Reach 8R: 1+84 - 2+50 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ■ ouffl w Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 1OR: 2+50 - 3+50 [61] Hint: Exceeded Reach 8R outlet invert by 0.24' @ 0.11 hrs Printed 9/6/2022 Inflow Area = 0.780 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 1.19 cfs @ 0.11 hrs, Volume= 0.012 of Outflow = 1.19 cfs @ 0.11 hrs, Volume= 0.012 af, Atten= 0%, Lag= 0.1 min Routed to Reach 17R : 3+50 - 4+50 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 10.46 fps, Min. Travel Time= 0.2 min Avg. Velocity = 3.70 fps, Avg. Travel Time= 0.5 min Peak Storage= 11 cf @ 0.11 hrs Average Depth at Peak Storage= 0.24' , Surface Width= 0.95' Bank -Full Depth= 1.00' Flow Area= 2.0 sf, Capacity= 54.35 cfs 0.00' x 1.00' deep channel, n= 0.015 Side Slope Z-value= 2.0 '/' Top Width= 4.00' Length= 100.0' Slope= 0.2200'/' Inlet Invert= 357.00', Outlet Invert= 335.00' Dltch2_POA#5 Prepared by HP Inc. L r Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Reach 10R: 2+50 - 3+50 Hydrograph r am 1 I� :.. .•• :1.1 1 . II 1 1 I/ III 1 II� 1 1 II III iiiiiiiiiMMIZ,,0W, MM,4ZPiiiiiiiiiiiiiiiiiiiiiiiio Time (houm) ■ Inflow ❑ Outflow Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 17R: 3+50 - 4+50 [62] Hint: Exceeded Reach 10R OUTLET depth by 0.04' @ 0.12 hrs Printed 9/6/2022 Inflow Area = 0.930 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 1.43 cfs @ 0.11 hrs, Volume= 0.014 of Outflow = 1.43 cfs @ 0.11 hrs, Volume= 0.014 af, Atten= 0%, Lag= 0.1 min Routed to nonexistent node 18R Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 9.47 fps, Min. Travel Time= 0.2 min Avg. Velocity = 3.05 fps, Avg. Travel Time= 0.5 min Peak Storage= 15 cf @ 0.11 hrs Average Depth at Peak Storage= 0.27' , Surface Width= 1.10' Bank -Full Depth= 0.50' Flow Area= 0.5 sf, Capacity= 7.07 cfs 0.00' x 0.50' deep channel, n= 0.015 Side Slope Z-value= 2.0 '/' Top Width= 2.00' Length= 100.0' Slope= 0.1500'/' Inlet Invert= 335.00', Outlet Invert= 320.00' Ditch2_POA#5 Prepared by HP Inc. C Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Reach 17R: 3+50 - 4+50 Hydrograph t 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (houm) ■ Inflow ❑ Outflow Ditch2_POA#5 Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Prepared by HP Inc. Printed 9/6/2022 HVdroCAD® 10.10-7c s/n 08126 © 2022 HVdroCAD Software Solutions LLC Paoe 19 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 1S: 0+00 - 1+00 Runoff Area=0.050 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.10 cfs 0.001 of Subcatchment 5S: 1+00 - 2+00 Runoff Area=0.150 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.31 cfs 0.003 of Subcatchment 7S: 2+00 - 3+00 Runoff Area=0.400 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.84 cfs 0.008 of Subcatchment 9S: 3+00 - 4+00 Runoff Area=0.180 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.38 cfs 0.004 of Subcatchment 11S: 3+00 - 4+00 Runoff Area=0.150 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.31 cfs 0.003 of Reach 4R: 1+00 Avg. Flow Depth=0.21' Max Vet=0.65 fps Inflow=0.10 cfs 0.001 of n=0.035 L=100.0' S=0.0050'/' Capacity=5.46 cfs Outflow=0.09 cfs 0.001 of Reach 6R: 1+00 - 1+84 Avg. Flow Depth=0.32' Max Vet=1.29 fps Inflow=0.40 cfs 0.004 of n=0.035 L=84.0' S=0.0118 T Capacity=8.38 cfs Outflow=0.39 cfs 0.004 of Reach 8R: 1+84 - 2+50 Avg. Flow Depth=0.34' Max Vet=3.46 fps Inflow=1.22 cfs 0.012 of n=0.035 L=66.0' S=0.0756'/' Capacity=21.22 cfs Outflow=1.21 cfs 0.012 of Reach 1 OR: 2+50 - 3+50 Avg. Flow Depth=0.27' Max Vet=11.23 fps Inflow=1.59 cfs 0.016 of n=0.015 L=100.0' S=0.2200 7 Capacity=54.35 cfs Outflow=1.58 cfs 0.016 of Reach 17R: 3+50 - 4+50 Avg. Flow Depth=0.31' Max Vet=10.17 fps Inflow=1.90 cfs 0.019 of n=0.015 L=100.0' S=0.1500'/' Capacity=7.07 cfs Outflow=1.89 cfs 0.019 of Total Runoff Area = 0.930 ac Runoff Volume = 0.019 of Average Runoff Depth = 0.24" 100.00% Pervious = 0.930 ac 0.00% Impervious = 0.000 ac Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 1S: 0+00 -1+00 Runoff = 0.10 cfs @ 0.09 hrs, Volume= 0.001 af, Depth= 0.24" Routed to Reach 4R : 1+00 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 0.050 0.35 0.050 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0.1 0. 0.1 0.0 0. 0.0 0. 0.0 0. F 0.0 0. 90.0 E 0. 0.0 0. 0.0 0. 0.0 0. 0.0 0. 0.0 Subcatchment 1S: 0+00 -1+00 Hydrograph rl .... _SEE M..M. P==Emmm===M�MMMi : V 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 Ditch2_POA#5 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 = 0.31 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.24" Routed to Reach 6R : 1+00 - 1+84 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 0.150 0.35 0.150 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0 0 Subcatchment 5S: 1+00 - 2+00 Hydrograph rl . • 1 ' • , .......... ........... is .........W......... MEMEEMMEMMEMME ...... 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 Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 7S: 2+00 - 3+00 Runoff = 0.84 cfs @ 0.09 hrs, Volume= 0.008 af, Depth= 0.24" Routed to Reach 8R : 1+84 - 2+50 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 0.400 0.35 0.400 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 7S: 2+00 - 3+00 Hydrograph ■ Rurwff Time (hours) Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 9S: 3+00 - 4+00 Runoff = 0.38 cfs @ 0.09 hrs, Volume= 0.004 af, Depth= 0.24" Routed to Reach 1 OR : 2+50 - 3+50 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 0.180 0.35 0.180 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0 Subcatchment 9S: 3+00 - 4+00 Hydrograph ............ .. Tc=5.0 min � ..................d�wdIF - V 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 Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 11S: 3+00 - 4+00 Runoff = 0.31 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.24" Routed to Reach 17R : 3+50 - 4+50 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 0.150 0.35 0.150 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0 0 Subcatchment 11S: 3+00 - 4+00 Hydrograph rl . • 1 ' • , .......... ........... is .........W......... MEMEEMMEMMEMME ...... 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 Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Reach 4R: 1+00 Inflow Area = 0.050 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.10 cfs @ 0.09 hrs, Volume= 0.001 of Outflow = 0.09 cfs @ 0.13 hrs, Volume= 0.001 af, Atten= 14%, Lag= 2.3 min Routed to Reach 6R : 1+00 - 1+84 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 0.65 fps, Min. Travel Time= 2.6 min Avg. Velocity = 0.21 fps, Avg. Travel Time= 7.9 min Peak Storage= 14 cf @ 0.13 hrs Average Depth at Peak Storage= 0.21' , Surface Width= 1.29' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 5.46 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 6.00' Length= 100.0' Slope= 0.0050'/' Inlet Invert= 363.49', Outlet Invert= 362.99' Reach 4R:1+00 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) Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 6R: 1+00 - 1+84 [62] Hint: Exceeded Reach 4R OUTLET depth by 0.10' @ 0.10 hrs Printed 9/6/2022 Inflow Area = 0.200 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.40 cfs @ 0.11 hrs, Volume= 0.004 of Outflow = 0.39 cfs @ 0.12 hrs, Volume= 0.004 af, Atten= 3%, Lag= 0.6 min Routed to Reach 8R : 1+84 - 2+50 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.29 fps, Min. Travel Time= 1.1 min Avg. Velocity = 0.36 fps, Avg. Travel Time= 3.9 min Peak Storage= 25 cf @ 0.12 hrs Average Depth at Peak Storage= 0.32' , Surface Width= 1.89' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.38 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.07' Top Width= 6.00' Length= 84.0' Slope= 0.0118 '/' Inlet Invert= 362.99', Outlet Invert= 362.00' Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Reach 6R: 1+00 - 1+84 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflov ■ au."M Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 8R: 1+84 - 2+50 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.04' @ 0.03 hrs Printed 9/6/2022 Inflow Area = 0.600 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.22 cfs @ 0.11 hrs, Volume= 0.012 of Outflow = 1.21 cfs @ 0.11 hrs, Volume= 0.012 af, Atten= 1 %, Lag= 0.2 min Routed to Reach 1 OR : 2+50 - 3+50 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 3.46 fps, Min. Travel Time= 0.3 min Avg. Velocity = 0.99 fps, Avg. Travel Time= 1.1 min Peak Storage= 23 cf @ 0.11 hrs Average Depth at Peak Storage= 0.34' , Surface Width= 2.05' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 21.22 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 6.00' Length= 66.0' Slope= 0.0756 T Inlet Invert= 361.99', Outlet Invert= 357.00' Dltch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Printed 9/6/2022 Reach 8R: 1+84 - 2+50 Hydrograph r ill Time (houm) ■ Inflow ❑ Outflow Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 1OR: 2+50 - 3+50 [61] Hint: Exceeded Reach 8R outlet invert by 0.27' @ 0.11 hrs Printed 9/6/2022 Inflow Area = 0.780 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.59 cfs @ 0.11 hrs, Volume= 0.016 of Outflow = 1.58 cfs @ 0.11 hrs, Volume= 0.016 af, Atten= 0%, Lag= 0.1 min Routed to Reach 17R : 3+50 - 4+50 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 11.23 fps, Min. Travel Time= 0.1 min Avg. Velocity = 3.86 fps, Avg. Travel Time= 0.4 min Peak Storage= 14 cf @ 0.11 hrs Average Depth at Peak Storage= 0.27' , Surface Width= 1.06' Bank -Full Depth= 1.00' Flow Area= 2.0 sf, Capacity= 54.35 cfs 0.00' x 1.00' deep channel, n= 0.015 Side Slope Z-value= 2.0 '/' Top Width= 4.00' Length= 100.0' Slope= 0.2200'/' Inlet Invert= 357.00', Outlet Invert= 335.00' Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Reach 10R: 2+50 - 3+50 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow S outflow Ditch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 17R: 3+50 - 4+50 [62] Hint: Exceeded Reach 10R OUTLET depth by 0.04' @ 0.11 hrs Printed 9/6/2022 Inflow Area = 0.930 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.90 cfs @ 0.11 hrs, Volume= 0.019 of Outflow = 1.89 cfs @ 0.11 hrs, Volume= 0.019 af, Atten= 0%, Lag= 0.1 min Routed to nonexistent node 18R Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 10.17 fps, Min. Travel Time= 0.2 min Avg. Velocity = 3.18 fps, Avg. Travel Time= 0.5 min Peak Storage= 19 cf @ 0.11 hrs Average Depth at Peak Storage= 0.31' , Surface Width= 1.22' Bank -Full Depth= 0.50' Flow Area= 0.5 sf, Capacity= 7.07 cfs 0.00' x 0.50' deep channel, n= 0.015 Side Slope Z-value= 2.0 '/' Top Width= 2.00' Length= 100.0' Slope= 0.1500'/' Inlet Invert= 335.00', Outlet Invert= 320.00' Dltch2_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Printed 9/6/2022 Reach 17R: 3+50 - 4+50 Hydrograph III Time (houm) ■ Inflow 0 OUWW