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HomeMy WebLinkAboutWPO202200038 Calculations 2022-09-14 (5)9S 13S 15S 1 S 5S 7S 3+00 - 4 00 L 4+00 - +00 2+00 - oo 6�0 0+00 - �00 1+00 - �+00 b 4R ---� 6R -� 8R —I> 1OR —� 19R ---� 17R 18R 0+00 - 1+00 1+00 - 2+00 2+00 - 2+81 2+81 - 4+00 Subcat Reach Aon Llnk 4+00 - 5+00 5+00 - 5+75 5+75 - 6+53 Ditch1_POA#2A 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 Ditch1_POA#2A Prepared by HP Inc. Area Listing (all nodes) Area C Description (acres) (subcatchment-numbers) 6.950 0.35 (1S, 5S, 7S, 9S, 13S, 15S) 6.950 0.35 TOTAL AREA Printed 9/6/2022 Ditch1_POA#2A Albemarle Rainfall2-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=0.250 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.40 cfs 0.004 of Subcatchment 5S: 1+00 - 2+00 Runoff Area=0.300 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.48 cfs 0.005 of Subcatchment 7S: 2+00 - 3+00 Runoff Area=0.500 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.79 cfs 0.008 of Subcatchment 9S: 3+00 - 4+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 13S: 4+00 - 5+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 15S: 6+00 Runoff Area=5.100 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=8.10 cfs 0.078 of Reach 4R: 0+00 - 1+00 Avg. Flow Depth=0.36' Max Vet=0.98 fps Inflow=0.40 cfs 0.004 of n=0.035 L=100.0' S=0.0058'/' Capacity=5.88 cfs Outflow=0.37 cfs 0.004 of Reach 6R: 1+00 - 2+00 Avg. Flow Depth=0.47' Max Vet=1.19 fps Inflow=0.84 cfs 0.008 of n=0.035 L=100.0' S=0.0058'/' Capacity=5.88 cfs Outflow=0.79 cfs 0.008 of Reach 8R: 2+00 - 2+81 Avg. Flow Depth=0.60' Max Vet=1.39 fps Inflow=1.55 cfs 0.016 of n=0.035 L=81.0' S=0.0058'/' Capacity=5.88 cfs Outflow=1.50 cfs 0.016 of Reach 1 OR: 2+81 - 4+00 Avg. Flow Depth=0.48' Max Vet=2.11 fps Inflow=1.50 cfs 0.016 of n=0.035 L=119.0' S=0.0180'/' Capacity=10.35 cfs Outflow=1.46 cfs 0.016 of Reach 17R: 5+00 - 5+75 Avg. Flow Depth=0.58' Max Vet=2.41 fps Inflow=2.48 cfs 0.028 of n=0.035 L=75.0' S=0.0180'/' Capacity=10.36 cfs Outflow=2.46 cfs 0.028 of Reach 18R: 5+75 - 6+53 Avg. Flow Depth=0.74' Max Vet=6.22 fps Inflow=10.28 cfs 0.106 of n=0.035 L=78.0' S=0.0874'/' Capacity=22.82 cfs Outflow=10.24 cfs 0.106 of Reach 19R: 4+00 - 5+00 Avg. Flow Depth=0.53' Max Vet=2.27 fps Inflow=1.99 cfs 0.022 of n=0.035 L=100.0' S=0.0180'/' Capacity=10.36 cfs Outflow=1.95 cfs 0.022 of Total Runoff Area = 6.950 ac Runoff Volume = 0.106 of Average Runoff Depth = 0.18" 100.00% Pervious = 6.950 ac 0.00% Impervious = 0.000 ac Ditch1_POA#2A 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 = 0.40 cfs @ 0.09 hrs, Volume= 0.004 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 0.250 0.35 0.250 100.00% 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 Time (hours) Ditch1_POA#2A 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 = 0.48 cfs @ 0.09 hrs, Volume= 0.005 af, Depth= 0.18" Routed to Reach 6R : 1+00 - 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 0.300 0.35 0.300 100.00% 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 ■■■■■ ■■■■■■■ . - - -MOVE tratii - ' of ■■■■■■■■■■■■ MENOMONIE=a �I I ■■■soon■■■■■ monsoon ■■ ■■■soon■■■■ it ■■■■■■■■■■■■■ �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#2A 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 = 0.79 cfs @ 0.09 hrs, Volume= 0.008 af, Depth= 0.18" Routed to Reach 8R : 2+00 - 2+81 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 0.500 0.35 0.500 100.00% 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) Ditch1_POA#2A 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 = 0.64 cfs @ 0.09 hrs, Volume= 0.006 af, Depth= 0.18" Routed to Reach 19R : 4+00 - 5+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 9S: 3+00 - 4+00 Hydrograph ■ Runoff Time (hours) Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 13S: 4+00 - 5+00 Runoff = 0.64 cfs @ 0.09 hrs, Volume= 0.006 af, Depth= 0.18" Routed to Reach 17R : 5+00 - 5+75 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 13S: 4+00 - 5+00 Hydrograph ❑ RunoH 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#2A Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Subcatchment 15S: 6+00 Runoff = 8.10 cfs @ 0.09 hrs, Volume= 0.078 af, Depth= 0.18" Routed to Reach 18R : 5+75 - 6+53 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 2-yr Duration=7 min, Inten=4.50 in/hr 5.100 0.35 5.100 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 15S: 6+00 Hydrograph Rainfall mini■■■■■■■Albemarle ! lnten=4.50 in Runoff Area=5.10; Runo Runoff. -. ; minim■■■■■■■ Time (homm) ■ Rurwff Ditch1_POA#2A 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 = 0.250 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.40 cfs @ 0.09 hrs, Volume= 0.004 of Outflow = 0.37 cfs @ 0.12 hrs, Volume= 0.004 af, Atten= 6%, Lag= 1.9 min Routed to Reach 6R : 1+00 - 2+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 0.98 fps, Min. Travel Time= 1.7 min Avg. Velocity = 0.28 fps, Avg. Travel Time= 6.0 min Peak Storage= 38 cf @ 0.12 hrs Average Depth at Peak Storage= 0.36' , Surface Width= 2.13' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 5.88 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= 0.0058 7' Inlet Invert= 363.52', Outlet Invert= 362.94' 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) Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 6R: 1+00 - 2+00 [62] Hint: Exceeded Reach 4R OUTLET depth by 0.12' @ 0.14 hrs Printed 9/6/2022 Inflow Area = 0.550 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.84 cfs @ 0.11 hrs, Volume= 0.008 of Outflow = 0.79 cfs @ 0.13 hrs, Volume= 0.008 af, Atten= 6%, Lag= 0.9 min Routed to Reach 8R : 2+00 - 2+81 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.19 fps, Min. Travel Time= 1.4 min Avg. Velocity = 0.28 fps, Avg. Travel Time= 5.9 min Peak Storage= 67 cf @ 0.13 hrs Average Depth at Peak Storage= 0.47' , Surface Width= 2.83' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 5.88 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= 0.0058 7' Inlet Invert= 362.94', Outlet Invert= 362.36' Ditch1_POA#2A Prepared by HP Inc. 0. 0. 0. 0.7 0. 0.6 0. 0.5 0. c 0.4 u 0. 0.3 0. 0.2 0. 0.1 0. 0.0 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Reach SR: 1+00 - 2+00 Hydrograph ■" ■■■■■■■■■■■■■ar:�z,� . t vQ■ ■■■■■■■■■■■■w�■�w�.. wrF■ �. ■■■■■■■■■■■a.L ■■■■■■■■■■■■■■nrr ■■■■■■■■■■■■■W�i'r , . ■■■■■■■■■■■■■■■ ■■■■■■■■■■■■ 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#2A Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 8R: 2+00 - 2+81 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.13' @ 0.12 hrs Printed 9/6/2022 Inflow Area = 1.050 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 1.55 cfs @ 0.12 hrs, Volume= 0.016 of Outflow = 1.50 cfs @ 0.13 hrs, Volume= 0.016 af, Atten= 3%, Lag= 0.6 min Routed to Reach 1 OR: 2+81 - 4+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.39 fps, Min. Travel Time= 1.0 min Avg. Velocity = 0.30 fps, Avg. Travel Time= 4.6 min Peak Storage= 87 cf @ 0.13 hrs Average Depth at Peak Storage= 0.60' , Surface Width= 3.60' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 5.88 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 81.0' Slope= 0.0058 T Inlet Invert= 362.36', Outlet Invert= 361.89' Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Reach 8R: 2+00 - 2+81 Hydrograph for InflowAr • . .- 1.050ja r l %I , L , , . , . t t Time (houm) ■ Inflow ❑ Outflow Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 1 OR: 2+81 - 4+00 [61] Hint: Exceeded Reach 8R outlet invert by 0.48' @ 0.14 hrs Printed 9/6/2022 Inflow Area = 1.050 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 1.50 cfs @ 0.13 hrs, Volume= 0.016 of Outflow = 1.46 cfs @ 0.14 hrs, Volume= 0.016 af, Atten= 3%, Lag= 0.7 min Routed to Reach 19R : 4+00 - 5+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.11 fps, Min. Travel Time= 0.9 min Avg. Velocity = 0.48 fps, Avg. Travel Time= 4.1 min Peak Storage= 82 cf @ 0.14 hrs Average Depth at Peak Storage= 0.48' , Surface Width= 2.88' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 10.35 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.07 Top Width= 6.00' Length= 119.0' Slope= 0.0180 7' Inlet Invert= 361.89', Outlet Invert= 359.75' Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 Whir Reach 10R: 2+81 - 4+00 Hydrograph Printed 9/6/2022 I Infloi g F w . Arm ) a =1.050 r I I .,. /j Ca7a7i 1 ii 1 1 I 9 II 1 i Time (houm) ■ Inflow 0 oulflow Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 17R: 5+00 - 5+75 [62] Hint: Exceeded Reach 19R OUTLET depth by 0.05' @ 0.09 hrs Printed 9/6/2022 Inflow Area = 1.850 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 2.48 cfs @ 0.13 hrs, Volume= 0.028 of Outflow = 2.46 cfs @ 0.13 hrs, Volume= 0.028 af, Atten= 1 %, Lag= 0.4 min Routed to Reach 18R : 5+75 - 6+53 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.41 fps, Min. Travel Time= 0.5 min Avg. Velocity = 0.50 fps, Avg. Travel Time= 2.5 min Peak Storage= 77 cf @ 0.13 hrs Average Depth at Peak Storage= 0.58' , Surface Width= 3.50' 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 7' Top Width= 6.00' Length= 75.0' Slope= 0.0180 T Inlet Invert= 357.95', Outlet Invert= 356.60' Ditch1_POA#2A Prepared by HP Inc. E2 2 1 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Reach 17R: 5+00 - 5+75 Hydrograph Ma _ • • 1 • I 1 I/ II 1 j Time (houm) ■ Inflow ❑ Outflow Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Reach 18R: 5+75 - 6+53 [63] Warning: Exceeded Reach 17R INLET depth by 0.56' @ 0.05 hrs Inflow Area = 6.950 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 10.28 cfs @ 0.11 hrs, Volume= 0.106 of Outflow = 10.24 cfs @ 0.11 hrs, Volume= 0.106 af, Atten= 0%, Lag= 0.2 min Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 6.22 fps, Min. Travel Time= 0.2 min Avg. Velocity = 1.23 fps, Avg. Travel Time= 1.1 min Peak Storage= 128 cf @ 0.11 hrs Average Depth at Peak Storage= 0.74' , Surface Width= 4.44' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 22.82 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= 78.0' Slope= 0.0874 T Inlet Invert= 358.27'. Outlet Invert= 351.45' Ct i Reach 18R: 5+75 - 6+53 Hydrograph MMMMMM��MAm= ' ' • . . Ili M III ill ■■■■■■■■■■■ ■■■■■■■■■■■ ■■■■■SEEM■ MEN ■■■■■■■■■� MOMM 0 2. 8.. 4.. 5 6. 7.. 8.. 9 10 11 1.2. 13.. 14. 15 1.6. 17. 18 19. 20 21 22 23 24 Time (hours) U Inflow Outflow Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 19R: 4+00 - 5+00 [62] Hint: Exceeded Reach 1 OR OUTLET depth by 0.08' @ 0.03 hrs Printed 9/6/2022 Inflow Area = 1.450 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 1.99 cfs @ 0.12 hrs, Volume= 0.022 of Outflow = 1.95 cfs @ 0.14 hrs, Volume= 0.022 af, Atten= 2%, Lag= 0.6 min Routed to Reach 17R : 5+00 - 5+75 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.27 fps, Min. Travel Time= 0.7 min Avg. Velocity = 0.50 fps, Avg. Travel Time= 3.4 min Peak Storage= 86 cf @ 0.14 hrs Average Depth at Peak Storage= 0.53' , Surface Width= 3.21' 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 4.07 Top Width= 6.00' Length= 100.0' Slope= 0.0180 7' Inlet Invert= 359.75', Outlet Invert= 357.95' Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Reach 19R: 4+00 - 5+00 Hydrograph Printed 9/6/2022 I i t 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ■ Inflow ❑ Outflow Ditch1_POA#2A 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 23 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=0.250 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.52 cfs 0.005 of Subcatchment 5S: 1+00 - 2+00 Runoff Area=0.300 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.63 cfs 0.006 of Subcatchment 7S: 2+00 - 3+00 Runoff Area=0.500 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=1.05 cfs 0.010 of Subcatchment 9S: 3+00 - 4+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 13S: 4+00 - 5+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 15S: 6+00 Runoff Area=5.100 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=10.70 cfs 0.103 of Reach 4R: 0+00 - 1+00 Avg. Flow Depth=0.40' Max Vet=1.06 fps Inflow=0.52 cfs 0.005 of n=0.035 L=100.0' S=0.0058'/' Capacity=5.88 cfs Outflow=0.50 cfs 0.005 of Reach 6R: 1+00 - 2+00 Avg. Flow Depth=0.53' Max Vet=1.28 fps Inflow=1.11 cfs 0.011 of n=0.035 L=100.0' S=0.0058'/' Capacity=5.88 cfs Outflow=1.06 cfs 0.011 of Reach 8R: 2+00 - 2+81 Avg. Flow Depth=0.67' Max Vet=1.50 fps Inflow=2.08 cfs 0.021 of n=0.035 L=81.0' S=0.0058'/' Capacity=5.88 cfs Outflow=2.02 cfs 0.021 of Reach 1 OR: 2+81 - 4+00 Avg. Flow Depth=0.54' Max Vet=2.28 fps Inflow=2.02 cfs 0.021 of n=0.035 L=119.0' S=0.0180 7 Capacity=10.35 cfs Outflow=1.97 cfs 0.021 of Reach 17R: 5+00 - 5+75 Avg. Flow Depth=0.65' Max Vet=2.60 fps Inflow=3.37 cfs 0.037 of n=0.035 L=75.0' S=0.0180'/' Capacity=10.36 cfs Outflow=3.34 cfs 0.037 of Reach 18R: 5+75 - 6+53 Avg. Flow Depth=0.82' Max Vet=6.69 fps Inflow=13.70 cfs 0.140 of n=0.035 L=78.0' S=0.0874'/' Capacity=22.82 cfs Outflow=13.66 cfs 0.140 of Reach 19R: 4+00 - 5+00 Avg. Flow Depth=0.60' Max Vet=2.45 fps Inflow=2.69 cfs 0.029 of n=0.035 L=100.0' S=0.0180'/' Capacity=10.36 cfs Outflow=2.64 cfs 0.029 of Total Runoff Area = 6.950 ac Runoff Volume = 0.140 of Average Runoff Depth = 0.24" 100.00% Pervious = 6.950 ac 0.00% Impervious = 0.000 ac Ditch1_POA#2A 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 = 0.52 cfs @ 0.09 hrs, Volume= 0.005 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 0.250 0.35 0.250 100.00% 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 Time (hours) Ditch1_POA#2A 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 = 0.63 cfs @ 0.09 hrs, Volume= 0.006 af, Depth= 0.24" Routed to Reach 6R : 1+00 - 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 0.300 0.35 0.300 100.00% 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 ■ Rurwff Time (hours) Ditch1_POA#2A 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 = 1.05 cfs @ 0.09 hrs, Volume= 0.010 af, Depth= 0.24" Routed to Reach 8R : 2+00 - 2+81 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 0.500 0.35 0.500 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, f Subcatchment 7S: 2+00 - 3+00 Hydrograph Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Runoff Area=0.500 ac �unoff.JV lume=0.010 of noff Depth0.�4�. Tc=5.0 min 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 Ditch1_POA#2A 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 = 0.84 cfs @ 0.09 hrs, Volume= 0.008 af, Depth= 0.24" Routed to Reach 19R : 4+00 - 5+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 9S: 3+00 - 4+00 Hydrograph ■ Rurwff Time (hours) Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 13S: 4+00 - 5+00 Runoff = 0.84 cfs @ 0.09 hrs, Volume= 0.008 af, Depth= 0.24" Routed to Reach 17R : 5+00 - 5+75 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 13S: 4+00 - 5+00 Hydrograph ■ Rurwff Time (hours) Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 15S: 6+00 Runoff = 10.70 cfs @ 0.09 hrs, Volume= 0.103 af, Depth= 0.24" Routed to Reach 18R : 5+75 - 6+53 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 5.100 0.35 5.100 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, • . i ■■■■■■ MM NMI Time (houm) ■ Rurgff Ditch1_POA#2A 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 = 0.250 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.52 cfs @ 0.09 hrs, Volume= 0.005 of Outflow = 0.50 cfs @ 0.12 hrs, Volume= 0.005 af, Atten= 5%, Lag= 1.8 min Routed to Reach 6R : 1+00 - 2+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity-- 1.06 fps, Min. Travel Time= 1.6 min Avg. Velocity = 0.29 fps, Avg. Travel Time= 5.8 min Peak Storage= 47 cf @ 0.12 hrs Average Depth at Peak Storage= 0.40' , Surface Width= 2.37' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 5.88 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= 0.0058 7' Inlet Invert= 363.52', Outlet Invert= 362.94' 0 3 C 0 LL 0 Reach 4R: 0+00 - 1+00 Hydrograph ■■■■■■■■■■■■■■■■■■■■■■ Avg. F lax_&gLM ■■■■SOON■■ I I ■■■O■■■■■■■ ■■■■■■■■■■■■■■■ III ■■■■■■■■■■■■■■■■■■. oil ", ,■ ■■■■■■■■■■■■■"060r6di■ III. 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 !l Outflow Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 6R: 1+00 - 2+00 [62] Hint: Exceeded Reach 4R OUTLET depth by 0.13' @ 0.14 hrs Printed 9/6/2022 Inflow Area = 0.550 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.11 cfs @ 0.11 hrs, Volume= 0.011 of Outflow = 1.06 cfs @ 0.13 hrs, Volume= 0.011 af, Atten= 5%, Lag= 0.8 min Routed to Reach 8R : 2+00 - 2+81 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.28 fps, Min. Travel Time= 1.3 min Avg. Velocity = 0.30 fps, Avg. Travel Time= 5.6 min Peak Storage= 83 cf @ 0.13 hrs Average Depth at Peak Storage= 0.53' , Surface Width= 3.16' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 5.88 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= 0.00587' Inlet Invert= 362.94', Outlet Invert= 362.36' Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Printed 9/6/2022 Reach 6R: 1+00 - 2+00 Hydrograph 1 1 1 1 1 U 6 III 1 11 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (houm) ■ Inflow ■ OuUlow Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 8R: 2+00 - 2+81 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.14' @ 0.12 hrs Printed 9/6/2022 Inflow Area = 1.050 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 2.08 cfs @ 0.12 hrs, Volume= 0.021 of Outflow = 2.02 cfs @ 0.12 hrs, Volume= 0.021 af, Atten= 3%, Lag= 0.5 min Routed to Reach 1 OR: 2+81 - 4+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.50 fps, Min. Travel Time= 0.9 min Avg. Velocity = 0.31 fps, Avg. Travel Time= 4.4 min Peak Storage= 109 cf @ 0.12 hrs Average Depth at Peak Storage= 0.67' , Surface Width= 4.02' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 5.88 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 81.0' Slope= 0.0058 T Inlet Invert= 362.36', Outlet Invert= 361.89' Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Reach 8R: 2+00 - 2+81 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ❑ outflow Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 1 OR: 2+81 - 4+00 [61] Hint: Exceeded Reach 8R outlet invert by 0.54' @ 0.14 hrs Printed 9/6/2022 Inflow Area = 1.050 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 2.02 cfs @ 0.12 hrs, Volume= 0.021 of Outflow = 1.97 cfs @ 0.14 hrs, Volume= 0.021 af, Atten= 3%, Lag= 0.6 min Routed to Reach 19R : 4+00 - 5+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.28 fps, Min. Travel Time= 0.9 min Avg. Velocity = 0.50 fps, Avg. Travel Time= 4.0 min Peak Storage= 103 cf @ 0.14 hrs Average Depth at Peak Storage= 0.54' , Surface Width= 3.22' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 10.35 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.07 Top Width= 6.00' Length= 119.0' Slope= 0.0180 7' Inlet Invert= 361.89', Outlet Invert= 359.75' Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Reach 1 OR: 2+81 - 4+00 Hydrograph Printed 9/6/2022 /I 1 1 II Time (houm) ■ Inflow ■ OuUlow Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 17R: 5+00 - 5+75 [62] Hint: Exceeded Reach 19R OUTLET depth by 0.06' @ 0.09 hrs Printed 9/6/2022 Inflow Area = 1.850 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 3.37 cfs @ 0.12 hrs, Volume= 0.037 of Outflow = 3.34 cfs @ 0.13 hrs, Volume= 0.037 af, Atten= 1 %, Lag= 0.4 min Routed to Reach 18R : 5+75 - 6+53 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.60 fps, Min. Travel Time= 0.5 min Avg. Velocity = 0.52 fps, Avg. Travel Time= 2.4 min Peak Storage= 96 cf @ 0.13 hrs Average Depth at Peak Storage= 0.65' , Surface Width= 3.92' 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 7' Top Width= 6.00' Length= 75.0' Slope= 0.0180 T Inlet Invert= 357.95', Outlet Invert= 356.60' Ditch1_POA#2A Prepared by HP Inc. 1 Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Printed 9/6/2022 Reach 17R: 5+00 - 5+75 Hydrograph III a 1 1 /I 1 1 II 1 Time (houm) ■ Inflow ■ Outflow Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Reach 18R: 5+75 - 6+53 [63] Warning: Exceeded Reach 17R INLET depth by 0.58' @ 0.05 hrs Inflow Area = 6.950 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 13.70 cfs @ 0.11 hrs, Volume= 0.140 of Outflow = 13.66 cfs @ 0.11 hrs, Volume= 0.140 af, Atten= 0%, Lag= 0.2 min Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 6.69 fps, Min. Travel Time= 0.2 min Avg. Velocity = 1.28 fps, Avg. Travel Time= 1.0 min Peak Storage= 159 cf @ 0.11 hrs Average Depth at Peak Storage= 0.82' , Surface Width= 4.95' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 22.82 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= 78.0' Slope= 0.0874 T Inlet Invert= 358.27'. Outlet Invert= 351.45' Reach 18R: 5+75 - 6+53 Hydrograph ...• , . .... ,, NEENEENEEN ■■■■■■■■■... . a■■■■■■■■■■■ ■■■■■■■■■■ ■■■■■■■■..■■■ ...■■...■■■■■ •• :,::::::::::::,, •• Time (houm) 0 Inflow 113 Outflow Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 19R: 4+00 - 5+00 [62] Hint: Exceeded Reach 1 OR OUTLET depth by 0.08' @ 0.03 hrs Printed 9/6/2022 Inflow Area = 1.450 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 2.69 cfs @ 0.12 hrs, Volume= 0.029 of Outflow = 2.64 cfs @ 0.13 hrs, Volume= 0.029 af, Atten= 2%, Lag= 0.6 min Routed to Reach 17R : 5+00 - 5+75 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.45 fps, Min. Travel Time= 0.7 min Avg. Velocity = 0.51 fps, Avg. Travel Time= 3.2 min Peak Storage= 108 cf @ 0.13 hrs Average Depth at Peak Storage= 0.60' , Surface Width= 3.60' 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 4.07 Top Width= 6.00' Length= 100.0' Slope= 0.0180 7' Inlet Invert= 359.75', Outlet Invert= 357.95' Ditch1_POA#2A Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Reach 19R: 4+00 - 5+00 Hydrograph ,n=O.w , , , : n ... . Ij I� a,,, .,Z.,3., ,.4,. 56„.,7., .8,.„4 .1 ,0, .1'1 , 1�2 11„1'4 1,5„1�6„17., 18,.1,9„20 21 22 23 24 Time (hours) ■ Inflow ❑ Outflow