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HomeMy WebLinkAboutWPO202200038 Calculations 2022-09-14 (11)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 F6R] -i [8R] -�> [10R] 17R 0+00 - 1+00 1+00 - 1+50 1+50 - 2+00 2+00 - 3+00 3+00 - 4+00 Subcat Reach On Link Routing Diagram for Ditch2_POA#6 Prepared by HP Inc., Printed 9/6/2022 FHydroCAD@ 10. 1 0-7o S/n 08126 0 2022 HydroCAD Software Solution LLC Ditch2_POA#6 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_POAN 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_POAN 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: 0+00 - 1+00 Avg. Flow Depth=0.18' Max Vet=0.75 fps Inflow=0.08 cfs 0.001 of n=0.035 L=100.0' S=0.0086'/' Capacity=7.16 cfs Outflow=0.07 cfs 0.001 of Reach 6R: 1+00 - 1+50 Avg. Flow Depth=0.30' Max Vet=1.08 fps Inflow=0.31 cfs 0.003 of n=0.035 L=50.0' S=0.0086'/' Capacity=7.16 cfs Outflow=0.30 cfs 0.003 of Reach 8R: 1+50 - 2+00 Avg. Flow Depth=0.43' Max Vet=1.69 fps Inflow=0.93 cfs 0.009 of n=0.035 L=50.0' S=0.0134'/' Capacity=8.94 cfs Outflow=0.93 cfs 0.009 of Reach 1 OR: 2+00 - 3+00 Avg. Flow Depth=0.47' Max Vet=1.79 fps Inflow=1.21 cfs 0.012 of n=0.035 L=100.0' S=0.0133'/' Capacity=8.90 cfs Outflow=1.18 cfs 0.012 of Reach 17R: 3+00 - 4+00 Avg. Flow Depth=0.34' Max Vet=3.98 fps Inflow=1.41 cfs 0.014 of n=0.035 L=100.0' S=0.1000'/' Capacity=24.41 cfs Outflow=1.40 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_POAN 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 : 0+00 - 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_POAN 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+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 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_POAN 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+50 - 2+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 0.400 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_POAN 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+00 - 3+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 0.180 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_POAN 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+00 - 4+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 0.150 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_POAN 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 -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= 11%, Lag= 2.2 min Routed to Reach 6R : 1+00 - 1+50 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 0.75 fps, Min. Travel Time= 2.2 min Avg. Velocity = 0.27 fps, Avg. Travel Time= 6.1 min Peak Storage= 9 cf @ 0.13 hrs Average Depth at Peak Storage= 0.18' , Surface Width= 1.06' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 7.16 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 100.0' Slope= 0.0086'/' Inlet Invert= 378.29', Outlet Invert= 377.43' Reach 4R: 0+00 -1+00 Hydrograph mmmmmmmmmmmmmmm ■■■■■■■■■ 1010 ..................��:. i opg 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 26 21 22 23 24 Time (hours) ❑ Inflow ❑ Outflow Ditch2_POAN Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 6R: 1+00 -1+50 [62] Hint: Exceeded Reach 4R OUTLET depth by 0.13' @ 0.10 hrs Printed 9/6/2022 Inflow Area = 0.200 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.31 cfs @ 0.11 hrs, Volume= 0.003 of Outflow = 0.30 cfs @ 0.12 hrs, Volume= 0.003 af, Atten= 1 %, Lag= 0.5 min Routed to Reach 8R : 1+50 - 2+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.08 fps, Min. Travel Time= 0.8 min Avg. Velocity = 0.32 fps, Avg. Travel Time= 2.6 min Peak Storage= 14 cf @ 0.12 hrs Average Depth at Peak Storage= 0.30' , Surface Width= 1.83' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 7.16 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 50.0' Slope= 0.0086 T Inlet Invert= 377.43', Outlet Invert= 377.00' Ditch2_POA#6 Prepared by HP Inc. 0. 0. 0. 0.2 0.2 0.2 0.2 0. 0.1 0.1 LL 0.1 0.1 0. 0.0 0. 0. 0.0 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Reach 6R: 1+00 - 1+50 Hydrograph ■■■NON ....... .. .'. , , .: .......... ., „ , :.......... ....■.. ........ ......... ............ ............ ........Mo ......... MENEM... :::::. 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_POAN Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 8R: 1+50 - 2+00 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.12' @ 0.10 hrs Printed 9/6/2022 Inflow Area = 0.600 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.93 cfs @ 0.11 hrs, Volume= 0.009 of Outflow = 0.93 cfs @ 0.11 hrs, Volume= 0.009 af, Atten= 1 %, Lag= 0.3 min Routed to Reach 1 OR : 2+00 - 3+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.69 fps, Min. Travel Time= 0.5 min Avg. Velocity = 0.44 fps, Avg. Travel Time= 1.9 min Peak Storage= 27 cf @ 0.11 hrs Average Depth at Peak Storage= 0.43' , Surface Width= 2.56' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.94 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 50.0' Slope= 0.0134 T Inlet Invert= 377.00', Outlet Invert= 376.33' Ditch2_POAM Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Reach 8R: 1+50 - 2+00 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ■ ouffl w Ditch2_POAN Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 1OR: 2+00 - 3+00 [62] Hint: Exceeded Reach 8R OUTLET depth by 0.08' @ 0.21 hrs Printed 9/6/2022 Inflow Area = 0.780 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 1.21 cfs @ 0.11 hrs, Volume= 0.012 of Outflow = 1.18 cfs @ 0.12 hrs, Volume= 0.012 af, Atten= 2%, Lag= 0.6 min Routed to Reach 17R : 3+00 - 4+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.79 fps, Min. Travel Time= 0.9 min Avg. Velocity = 0.43 fps, Avg. Travel Time= 3.9 min Peak Storage= 66 cf @ 0.12 hrs Average Depth at Peak Storage= 0.47' , Surface Width= 2.82' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.90 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 100.0' Slope= 0.0133'/' Inlet Invert= 376.33', Outlet Invert= 375.00' Ditch2_POAM Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Reach 1 OR: 2+00 - 3+00 Hydrograph 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) ■ Inflow ❑ Outflow Ditch2_POAN Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 17R: 3+00 - 4+00 [61] Hint: Exceeded Reach 1 OR outlet invert by 0.34' @ 0.12 hrs Printed 9/6/2022 Inflow Area = 0.930 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 1.41 cfs @ 0.12 hrs, Volume= 0.014 of Outflow = 1.40 cfs @ 0.12 hrs, Volume= 0.014 af, Atten= 1 %, Lag= 0.3 min Routed to nonexistent node 18R Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 3.98 fps, Min. Travel Time= 0.4 min Avg. Velocity = 1.13 fps, Avg. Travel Time= 1.5 min Peak Storage= 35 cf @ 0.12 hrs Average Depth at Peak Storage= 0.34' , Surface Width= 2.06' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 24.41 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.07 Top Width= 6.00' Length= 100.0' Slope= 0.1000 7' Inlet Invert= 375.00', Outlet Invert= 365.00' Ditch2_POAM Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Reach 17R: 3+00 - 4+00 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ❑ Outflow Ditch2_POAN 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: 0+00 - 1+00 Avg. Flow Depth=0.20' Max Vet=0.81 fps Inflow=0.10 cfs 0.001 of n=0.035 L=100.0' S=0.0086'/' Capacity=7.16 cfs Outflow=0.10 cfs 0.001 of Reach 6R: 1+00 - 1+50 Avg. Flow Depth=0.34' Max Vet=1.16 fps Inflow=0.41 cfs 0.004 of n=0.035 L=50.0' S=0.0086'/' Capacity=7.16 cfs Outflow=0.40 cfs 0.004 of Reach 8R: 1+50 - 2+00 Avg. Flow Depth=0.48' Max Vet=1.81 fps Inflow=1.24 cfs 0.012 of n=0.035 L=50.0' S=0.0134'/' Capacity=8.94 cfs Outflow=1.23 cfs 0.012 of Reach 1 OR: 2+00 - 3+00 Avg. Flow Depth=0.52' Max Vet=1.92 fps Inflow=1.60 cfs 0.016 of n=0.035 L=100.0' S=0.0133'/' Capacity=8.90 cfs Outflow=1.58 cfs 0.016 of Reach 17R: 3+00 - 4+00 Avg. Flow Depth=0.38' Max Vet=4.28 fps Inflow=1.88 cfs 0.019 of n=0.035 L=100.0' S=0.1000'/' Capacity=24.41 cfs Outflow=1.87 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_POAN 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 : 0+00 - 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_POAN 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+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 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_POAN 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+50 - 2+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 0.400 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_POAN 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+00 - 3+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 0.180 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_POAN 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+00 - 4+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 0.150 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_POAN 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 -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 = 0.10 cfs @ 0.12 hrs, Volume= 0.001 af, Atten= 9%, Lag= 2.1 min Routed to Reach 6R : 1+00 - 1+50 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 0.81 fps, Min. Travel Time= 2.1 min Avg. Velocity = 0.28 fps, Avg. Travel Time= 5.9 min Peak Storage= 12 cf @ 0.12 hrs Average Depth at Peak Storage= 0.20' , Surface Width= 1.19' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 7.16 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 100.0' Slope= 0.0086'/' Inlet Invert= 378.29', Outlet Invert= 377.43' Reach 4R: 0+00 -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_POAN Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 6R: 1+00 -1+50 [62] Hint: Exceeded Reach 4R OUTLET depth by 0.14' @ 0.10 hrs Printed 9/6/2022 Inflow Area = 0.200 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.41 cfs @ 0.11 hrs, Volume= 0.004 of Outflow = 0.40 cfs @ 0.12 hrs, Volume= 0.004 af, Atten= 1 %, Lag= 0.4 min Routed to Reach 8R : 1+50 - 2+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.16 fps, Min. Travel Time= 0.7 min Avg. Velocity = 0.33 fps, Avg. Travel Time= 2.5 min Peak Storage= 17 cf @ 0.12 hrs Average Depth at Peak Storage= 0.34' , Surface Width= 2.04' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 7.16 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 50.0' Slope= 0.0086 T Inlet Invert= 377.43', Outlet Invert= 377.00' Ditch2_POAN Prepared by HP Inc. 0. 0. i 0. LL 0. 0. 0. 0. 0. 0. o. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Reach 6R: 1+00 - 1+50 Hydrograph E ME- - - - _ .. . - . , .. „ Nimi- „ , „: . mm ... - m --------- --------- iiiii.iiiii.iiiii.iiiii.iiii.iiiii.iiiii..iiiii. --------- ----------- iiiii.iiiii.iiiii.iiiii.iiii.iiiii.iiiii.---ii ------------- ------------- ----iiii.iiii MMMM-- mmmmmmmmmmm. ----iiii.iiiii.iiiii.iiiii.iiiii.iii ............ ----------- -.....iiiii...iiiii.iii ■ Inflm— ■ Oulflov Ditch2_POAN Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 8R: 1+50 - 2+00 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.14' @ 0.10 hrs Printed 9/6/2022 Inflow Area = 0.600 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.24 cfs @ 0.11 hrs, Volume= 0.012 of Outflow = 1.23 cfs @ 0.11 hrs, Volume= 0.012 af, Atten= 1 %, Lag= 0.3 min Routed to Reach 1 OR : 2+00 - 3+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.81 fps, Min. Travel Time= 0.5 min Avg. Velocity = 0.46 fps, Avg. Travel Time= 1.8 min Peak Storage= 34 cf @ 0.11 hrs Average Depth at Peak Storage= 0.48' , Surface Width= 2.85' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.94 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 50.0' Slope= 0.0134 T Inlet Invert= 377.00', Outlet Invert= 376.33' Ditch2_POAM Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Reach 8R: 1+50 - 2+00 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ❑ Outflow Ditch2_POAN Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 1OR: 2+00 - 3+00 [62] Hint: Exceeded Reach 8R OUTLET depth by 0.09' @ 0.21 hrs Printed 9/6/2022 Inflow Area = 0.780 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.60 cfs @ 0.11 hrs, Volume= 0.016 of Outflow = 1.58 cfs @ 0.12 hrs, Volume= 0.016 af, Atten= 2%, Lag= 0.6 min Routed to Reach 17R : 3+00 - 4+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.92 fps, Min. Travel Time= 0.9 min Avg. Velocity = 0.45 fps, Avg. Travel Time= 3.7 min Peak Storage= 82 cf @ 0.12 hrs Average Depth at Peak Storage= 0.52' , Surface Width= 3.13' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.90 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 100.0' Slope= 0.0133'/' Inlet Invert= 376.33', Outlet Invert= 375.00' Dltch2_POAM Prepared by HP Inc. 0 LL Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Printed 9/6/2022 Reach 1 OR: 2+00 - 3+00 Hydrograph 3 .4 . 5 6 .7. .8 . 4 .1 0 .i'l 12. 1' 3. 1 4 .'S .15 17. 1 8 6 .20 21 Time (hours) ■ Inflow S outflow Ditch2_POAN Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 17R: 3+00 - 4+00 [61] Hint: Exceeded Reach 1 OR outlet invert by 0.38' @ 0.12 hrs Printed 9/6/2022 Inflow Area = 0.930 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.88 cfs @ 0.12 hrs, Volume= 0.019 of Outflow = 1.87 cfs @ 0.12 hrs, Volume= 0.019 af, Atten= 1 %, Lag= 0.3 min Routed to nonexistent node 18R Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 4.28 fps, Min. Travel Time= 0.4 min Avg. Velocity = 1.18 fps, Avg. Travel Time= 1.4 min Peak Storage= 44 cf @ 0.12 hrs Average Depth at Peak Storage= 0.38' , Surface Width= 2.29' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 24.41 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.07 Top Width= 6.00' Length= 100.0' Slope= 0.1000 7' Inlet Invert= 375.00', Outlet Invert= 365.00' Dltch2_POAM Prepared by HP Inc. c I Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Printed 9/6/2022 Reach 17R: 3+00 - 4+00 Hydrograph sib III 1 I 1 II Time (houm) ■ Inflow 0 OUWW