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HomeMy WebLinkAboutWPO202200038 Calculations 2022-09-14 (3)1S 5S 7S 9S O O O 0+00 - �+00 1+00 - �+00 2+00 -I3+00 3+00 -1400 F6R] -i [8R] -�> [10R] -p F17R] 0+00 - 0+50 0+50 - 1+00 1+00 - 2+00 2+00 - 3+00 3+00 - 3+33 Subcat Reach On Link Routing Diagram for Ditch 1_POA#3 Prepared by HP Inc., Printed 9/7/2022 FHydroCADO 10.10-7C S/n 08126 0 2022 HydroCAD Software Solutions LLC Ditch 1_POA#3 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 9/7/2022 Ditch 1_POA#3 Prepared by HP Inc. Area Listing (all nodes) Area C Description (acres) (subcatchment-numbers) 0.600 0.35 (1S, 5S, 7S, 9S) 0.600 0.35 TOTAL AREA Printed 9/7/2022 Ditch 1_POA#3 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Prepared by HP Inc. Printed 9/7/2022 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=0.150 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.24 cfs 0.002 of Subcatchment 5S: 1+00 - 2+00 Runoff Area=0.130 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.21 cfs 0.002 of Subcatchment 7S: 2+00 - 3+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 9S: 3+00 - 4+00 Runoff Area=0.170 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.27 cfs 0.003 of Reach 4R: 0+00 - 0+50 Avg. Flow Depth=0.20' Max Vet=1.96 fps Inflow=0.24 cfs 0.002 of n=0.035 L=50.0' S=0.0492'/' Capacity=17.12 cfs Outflow=0.24 cfs 0.002 of Reach 6R: 0+50 - 1+00 Avg. Flow Depth=0.33' Max Vet=1.35 fps Inflow=0.45 cfs 0.004 of n=0.035 L=50.0' S=0.0120'/' Capacity=8.46 cfs Outflow=0.44 cfs 0.004 of Reach 8R: 1+00 - 2+00 Avg. Flow Depth=0.38' Max Vet=1.49 fps Inflow=0.68 cfs 0.007 of n=0.035 L=100.0' S=0.0120'/' Capacity=8.46 cfs Outflow=0.66 cfs 0.007 of Reach 1 OR: 2+00 - 3+00 Avg. Flow Depth=0.43' Max Vet=1.60 fps Inflow=0.92 cfs 0.009 of n=0.035 L=100.0' S=0.0120'/' Capacity=8.46 cfs Outflow=0.89 cfs 0.009 of Reach 17R: 3+00 - 3+33 Avg. Flow Depth=0.31' Max Vet=3.16 fps Inflow=0.89 cfs 0.009 of n=0.035 L=30.0' S=0.0733 7 Capacity=20.90 cfs Outflow=0.89 cfs 0.009 of Total Runoff Area = 0.600 ac Runoff Volume = 0.009 of Average Runoff Depth = 0.18" 100.00% Pervious = 0.600 ac 0.00% Impervious = 0.000 ac Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/7/2022 Summary for Subcatchment 1S: 0+00 -1+00 Runoff = 0.24 cfs @ 0.09 hrs, Volume= 0.002 af, Depth= 0.18" Routed to Reach 4R : 0+00 - 0+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 1S: 0+00 -1+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 Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/7/2022 Summary for Subcatchment 5S: 1+00 - 2+00 Runoff = 0.21 cfs @ 0.09 hrs, Volume= 0.002 af, Depth= 0.18" Routed to Reach 6R : 0+50 - 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 0.130 0.35 0.130 100.00% 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 .. ..... ..v... j MEN •_••_ , -- 1 . 1, ...... ...... -----------�. •---------.� ----------- .....IMMMM . •--.... .. - ---------- -... I ......... ... - --- -- �■------------ ------------- --- -- MMMMME------- ------- 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 Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/7/2022 Summary for Subcatchment 7S: 2+00 - 3+00 Runoff = 0.24 cfs @ 0.09 hrs, Volume= 0.002 af, Depth= 0.18" Routed to Reach 8R : 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 0.150 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 7S: 2+00 - 3+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 Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/7/2022 Summary for Subcatchment 9S: 3+00 - 4+00 Runoff = 0.27 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 0.170 0.35 0.170 100.00% 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) Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/7/2022 Summary for Reach 4R: 0+00 - 0+50 Inflow Area = 0.150 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.24 cfs @ 0.09 hrs, Volume= 0.002 of Outflow = 0.24 cfs @ 0.11 hrs, Volume= 0.002 af, Atten= 0%, Lag= 0.9 min Routed to Reach 6R : 0+50 - 1+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.96 fps, Min. Travel Time= 0.4 min Avg. Velocity = 1.09 fps, Avg. Travel Time= 0.8 min Peak Storage= 6 cf @ 0.11 hrs Average Depth at Peak Storage= 0.20' , Surface Width= 1.21' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 17.12 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= 50.0' Slope= 0.0492 T Inlet Invert= 351.46', Outlet Invert= 349.00' 0.21 0.2, as: o.: O.v 0.11 w = 0.1. 3 LL 0.1: 0. O.0; 0.01 O.O. 0.0: Reach 4R: 0+00 - 0+50 Hydrograph MEMEMEMEMEMEMEMMEM IN MEN rol-IMEMEMEM ■■■SOON■■■■■■■ III ■■■■■■■■■■■■■■■■�����■ I0� I ::: ■:::■■::::::::: 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) ■ Inflow ❑ Out0ow Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 6R: 0+50 -1+00 [62] Hint: Exceeded Reach 4R OUTLET depth by 0.13' @ 0.12 hrs Printed 9/7/2022 Inflow Area = 0.280 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.45 cfs @ 0.11 hrs, Volume= 0.004 of Outflow = 0.44 cfs @ 0.11 hrs, Volume= 0.004 af, Atten= 1 %, Lag= 0.4 min Routed to Reach 8R : 1+00 - 2+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.35 fps, Min. Travel Time= 0.6 min Avg. Velocity = 0.53 fps, Avg. Travel Time= 1.6 min Peak Storage= 16 cf @ 0.11 hrs Average Depth at Peak Storage= 0.33' , Surface Width= 1.98' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.46 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 6.00' Length= 50.0' Slope= 0.0120 T Inlet Invert= 349.00', Outlet Invert= 348.40' Ditch 1 POA#3 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Reach 6R: 0+50 - 1+00 Hydrograph Time (hours) Printed 9/7/2022 ■ Inflow ■aufiow Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 8R: 1+00 - 2+00 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.08' @ 0.21 hrs Printed 9/7/2022 Inflow Area = 0.430 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.68 cfs @ 0.11 hrs, Volume= 0.007 of Outflow = 0.66 cfs @ 0.12 hrs, Volume= 0.007 af, Atten= 3%, Lag= 0.8 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= 1.49 fps, Min. Travel Time= 1.1 min Avg. Velocity = 0.45 fps, Avg. Travel Time= 3.7 min Peak Storage= 44 cf @ 0.12 hrs Average Depth at Peak Storage= 0.38' , Surface Width= 2.30' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.46 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= 100.0' Slope= 0.0120 7' Inlet Invert= 348.40', Outlet Invert= 347.20' Ditch 7_POA#3 Prepared by HP Inc. 0.7 0 0.6 0. 0.5 0. 0.4 0. i 0.3 LL 0. 0.2 0. 0.1 0. 0.0 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/7/2022 Reach 8R: 1+00 - 2+00 Hydrograph i� /I .. . - . Max , . , , , , ■■■■■■■■■ ■■■■■■■■■ ■■■■■■■■. ■■■■■■■■■■■■■ ■■■■■■■■■■■■■ ■■■■■■■■■■■■■ I I� ■■■■■■■■■■■■■■■&u6W ■■■■■■■■■■■■■■■ MEMEMOMMEMEME p ..1...2 . 8 .4. 5 .6 . 7 .8. .9 . 1,8 11 .12 13 14. 15 .16 17. 18 .19 .20 21 22 23 24 Time (hours) ■ Inflow .outlim Ditch 1_POA#3 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 0.06' @ 0.21 hrs Printed 9/7/2022 Inflow Area = 0.600 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.92 cfs @ 0.12 hrs, Volume= 0.009 of Outflow = 0.89 cfs @ 0.13 hrs, Volume= 0.009 af, Atten= 4%, Lag= 0.7 min Routed to Reach 17R : 3+00 - 3+33 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.60 fps, Min. Travel Time= 1.0 min Avg. Velocity = 0.44 fps, Avg. Travel Time= 3.8 min Peak Storage= 55 cf @ 0.13 hrs Average Depth at Peak Storage= 0.43' , Surface Width= 2.57' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.46 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= 100.0' Slope= 0.0120 7' Inlet Invert= 347.20', Outlet Invert= 346.00' Ditch 1_POA#3 Prepared by HP Inc. 0 LL Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/7/2022 Reach 10R: 2+00 - 3+00 Hydrograph 1 I III Time (houm) ■ Inflow ❑ Outflow Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 17R: 3+00 - 3+33 [61] Hint: Exceeded Reach 1 OR outlet invert by 0.07' @ 0.13 hrs Printed 9/7/2022 Inflow Area = 0.600 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.89 cfs @ 0.13 hrs, Volume= 0.009 of Outflow = 0.89 cfs @ 0.13 hrs, Volume= 0.009 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= 3.16 fps, Min. Travel Time= 0.2 min Avg. Velocity = 1.00 fps, Avg. Travel Time= 0.5 min Peak Storage= 8 cf @ 0.13 hrs Average Depth at Peak Storage= 0.31' , Surface Width= 1.83' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 20.90 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 6.00' Length= 30.0' Slope= 0.0733 T Inlet Invert= 345.76', Outlet Invert= 343.56' Ditch 1 POA#3 Prepared by HP Inc. 0. n 0. 0.85 0.8 0.75 0.7 0.65 0.6 0.55 0.5 LL 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/7/2022 Reach 17R: 3+00 - 3+33 Hydrograph MMMMMMMMMM wwwwwwo .. r� M I� MMMMMMMMM EEEEEEEEE MOMMEMO...MMMMMMMMMMMM MMMMMMMMMMMMM MMMMMMMMMMMMM MMMMMMMM MMMMMMMM MMM MMMMMMMM MMMMMMMM MMMMMMMM MMMM 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 ■ Dulflow Ditch 1_POA#3 Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Prepared by HP Inc. Printed 9/7/2022 HVdroCAD® 10.10-7c s/n 08126 © 2022 HVdroCAD Software Solutions LLC Paoe 18 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=0.150 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.31 cfs 0.003 of Subcatchment 5S: 1+00 - 2+00 Runoff Area=0.130 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.27 cfs 0.003 of Subcatchment 7S: 2+00 - 3+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 9S: 3+00 - 4+00 Runoff Area=0.170 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.36 cfs 0.003 of Reach 4R: 0+00 - 0+50 Avg. Flow Depth=0.22' Max Vet=2.10 fps Inflow=0.31 cfs 0.003 of n=0.035 L=50.0' S=0.0492'/' Capacity=17.12 cfs Outflow=0.32 cfs 0.003 of Reach 6R: 0+50 - 1+00 Avg. Flow Depth=0.37' Max Vet=1.45 fps Inflow=0.59 cfs 0.006 of n=0.035 L=50.0' S=0.0120'/' Capacity=8.46 cfs Outflow=0.59 cfs 0.006 of Reach 8R: 1+00 - 2+00 Avg. Flow Depth=0.43' Max Vet=1.60 fps Inflow=0.90 cfs 0.009 of n=0.035 L=100.0' S=0.0120'/' Capacity=8.46 cfs Outflow=0.88 cfs 0.009 of Reach 1 OR: 2+00 - 3+00 Avg. Flow Depth=0.48' Max Vet=1.72 fps Inflow=1.22 cfs 0.012 of n=0.035 L=100.0' S=0.0120'/' Capacity=8.46 cfs Outflow=1.18 cfs 0.012 of Reach 17R: 3+00 - 3+33 Avg. Flow Depth=0.34' Max Vet=3.40 fps Inflow=1.18 cfs 0.012 of n=0.035 L=30.0' S=0.0733 7 Capacity=20.90 cfs Outflow=1.18 cfs 0.012 of Total Runoff Area = 0.600 ac Runoff Volume = 0.012 of Average Runoff Depth = 0.24" 100.00% Pervious = 0.600 ac 0.00% Impervious = 0.000 ac Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/7/2022 Summary for Subcatchment 1S: 0+00 -1+00 Runoff = 0.31 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.24" Routed to Reach 4R : 0+00 - 0+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 1S: 0+00 -1+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 Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/7/2022 Summary for Subcatchment 5S: 1+00 - 2+00 Runoff = 0.27 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.24" Routed to Reach 6R : 0+50 - 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 0.130 0.35 0.130 100.00% 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 ❑ RunoH Time (hours) Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/7/2022 Summary for Subcatchment 7S: 2+00 - 3+00 Runoff = 0.31 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.24" Routed to Reach 8R : 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 0.150 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 7S: 2+00 - 3+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 Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/7/2022 Summary for Subcatchment 9S: 3+00 - 4+00 Runoff = 0.36 cfs @ 0.09 hrs, Volume= 0.003 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 0.170 0.35 0.170 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, a. a. o. 0.3 0.. 0.2 0.2 0.2 0.2 0. ° 0.1 0.1 0.1 0.1 0. 0.0 0.0 0.0 0.0 Subcatchment 9S: 3+00 - 4+00 Hydrograph mm ....... I.......... it ......... • - 1 , • .. Runoff Area=0.170 ac Runoff. 1 1 1 1 1 ............ ............ ............ .......... MMMMMMMMM .......... =::unoff-• :....:::::..... I ................ 1 . �I............MMINMm ................... . �I Time (homm) ❑ RunoH Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/7/2022 Summary for Reach 4R: 0+00 - 0+50 Inflow Area = 0.150 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.31 cfs @ 0.09 hrs, Volume= 0.003 of Outflow = 0.32 cfs @ 0.10 hrs, Volume= 0.003 af, Atten= 0%, Lag= 0.9 min Routed to Reach 6R : 0+50 - 1+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.10 fps, Min. Travel Time= 0.4 min Avg. Velocity = 1.13 fps, Avg. Travel Time= 0.7 min Peak Storage= 7 cf @ 0.10 hrs Average Depth at Peak Storage= 0.22' , Surface Width= 1.34' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 17.12 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= 50.0' Slope= 0.0492 T Inlet Invert= 351.46', Outlet Invert= 349.00' Reach 4R: 0+00 - 0+50 ❑ 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) Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 6R: 0+50 -1+00 [62] Hint: Exceeded Reach 4R OUTLET depth by 0.14' @ 0.12 hrs Printed 9/7/2022 Inflow Area = 0.280 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.59 cfs @ 0.10 hrs, Volume= 0.006 of Outflow = 0.59 cfs @ 0.11 hrs, Volume= 0.006 af, Atten= 0%, Lag= 0.4 min Routed to Reach 8R : 1+00 - 2+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.45 fps, Min. Travel Time= 0.6 min Avg. Velocity = 0.56 fps, Avg. Travel Time= 1.5 min Peak Storage= 20 cf @ 0.11 hrs Average Depth at Peak Storage= 0.37' , Surface Width= 2.20' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.46 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 6.00' Length= 50.0' Slope= 0.0120 T Inlet Invert= 349.00', Outlet Invert= 348.40' Ditch 7_POA#3 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whr Printed 9/7/2022 Reach GR: 0+50 - 1+00 Hydrograph ■■■■■■■■■■■ ,III■■■■■■■■■■■■■■■■■■■■■■■■ , iiiiii�iiiiiiiiiiiiiiii�iiiiiii�iiiiiii�iiiiiiiiiiiiiiiiiiiiiii�iiiiii� 1234 789101............. 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 Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 8R: 1+00 - 2+00 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.09' @ 0.21 hrs Printed 9/7/2022 Inflow Area = 0.430 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.90 cfs @ 0.11 hrs, Volume= 0.009 of Outflow = 0.88 cfs @ 0.12 hrs, Volume= 0.009 af, Atten= 3%, Lag= 0.7 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= 1.60 fps, Min. Travel Time= 1.0 min Avg. Velocity = 0.47 fps, Avg. Travel Time= 3.5 min Peak Storage= 55 cf @ 0.12 hrs Average Depth at Peak Storage= 0.43' , Surface Width= 2.56' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.46 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= 100.0' Slope= 0.0120 7' Inlet Invert= 348.40', Outlet Invert= 347.20' Ditch 7_POA#3 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Reach 8R: 1+00 - 2+00 Hydrograph Time (hours) Printed 9/7/2022 ■ Inflow ■ Outflow Ditch 1_POA#3 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 0.06' @ 0.21 hrs Printed 9/7/2022 Inflow Area = 0.600 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.22 cfs @ 0.12 hrs, Volume= 0.012 of Outflow = 1.18 cfs @ 0.13 hrs, Volume= 0.012 af, Atten= 3%, Lag= 0.7 min Routed to Reach 17R : 3+00 - 3+33 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.72 fps, Min. Travel Time= 1.0 min Avg. Velocity = 0.46 fps, Avg. Travel Time= 3.7 min Peak Storage= 69 cf @ 0.13 hrs Average Depth at Peak Storage= 0.48' , Surface Width= 2.87' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.46 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= 100.0' Slope= 0.0120 7' Inlet Invert= 347.20', Outlet Invert= 346.00' Ditch 1_POA#3 Prepared by HP Inc. C r Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Printed 9/7/2022 Reach 10R: 2+00 - 3+00 Hydrograph 1 ffill . 1 II 1 �l Time (houm) ■ Inflow ❑ Outflow Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 17R: 3+00 - 3+33 [61] Hint: Exceeded Reach 1 OR outlet invert by 0.10' @ 0.13 hrs Printed 9/7/2022 Inflow Area = 0.600 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.18 cfs @ 0.13 hrs, Volume= 0.012 of Outflow = 1.18 cfs @ 0.13 hrs, Volume= 0.012 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= 3.40 fps, Min. Travel Time= 0.1 min Avg. Velocity = 1.04 fps, Avg. Travel Time= 0.5 min Peak Storage= 10 cf @ 0.13 hrs Average Depth at Peak Storage= 0.34' , Surface Width= 2.04' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 20.90 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 6.00' Length= 30.0' Slope= 0.0733 T Inlet Invert= 345.76', Outlet Invert= 343.56' Ditch 1_POA#3 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Reach 17R: 3+00 - 3+33 Hydrograph Time (hours) Printed 9/7/2022 ■ Inflow ■ Outflow