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HomeMy WebLinkAboutWPO202200038 Calculations 2022-09-14 (8)20S 7S +92 - 5 00 1S 5S 9S 11S 19S [] —] 2+00 - +00 O 0+00 - 1+ o 1+00 - 2�00 3+00 - 4�0 .]L�%/ �7 3 92C'7- 5+00 5+00 -I6+60 4R - -� 6R 8R —� 10R Q- 17R 18R 0+00 - 1- 00 1+00 - 2+002+00 - 3+00 3+00 - 3+92 ❑ 3+92 - 5+00 6+60 - 5+00 Subcat Reach On Link Routing Diagram for Ditch2_POA#1 Prepared by HP Inc., Printed 9/6/2022 FHydroCAD@ 10. 1 0-7c sin 08126 0 2022 HydroCAD Software Solutions LLC Ditch2_P0A#1 Prepared by HP Inc. Area Listing (all nodes) Area C Description (acres) (subcatchment-numbers) 2.410 0.35 (1S, 5S, 7S, 9S, 11S, 19S, 20S) 2.410 0.35 TOTAL AREA Printed 9/6/2022 Ditch2_P0A#1 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 3 Time span=0.00-24.00 hrs, dt=0.01 hrs, 2401 points Runoff by Rational method, Rise/Fall=1.0/1.0 xTc Reach routing by Stor-Ind method - Pond routing by Stor-Ind method Subcatchment 1S: 0+00 - 1+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 5S: 1+00 - 2+00 Runoff Area=0.350 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.56 cfs 0.005 of Subcatchment 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=0.150 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.24 cfs 0.002 of Subcatchment 11S: 3+92 - 5+00 Runoff Area=0.350 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.56 cfs 0.005 of Subcatchment 19S: 5+00 - 6+60 Runoff Area=0.660 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=1.05 cfs 0.010 of Subcatchment 20S: 3+92 - 5+00 Runoff Area=0.350 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.56 cfs 0.005 of Reach 4R: 0+00 - 1 - 00 Avg. Flow Depth=0.37' Max Vet=1.51 fps Inflow=0.64 cfs 0.006 of n=0.035 L=100.0' S=0.0130'/' Capacity=8.80 cfs Outflow=0.62 cfs 0.006 of Reach 6R: 1+00 - 2+00 Avg. Flow Depth=0.47' Max Vet=1.76 fps Inflow=1.17 cfs 0.011 of n=0.035 L=100.0' S=0.0130 T Capacity=8.80 cfs Outflow=1.15 cfs 0.011 of Reach 8R: 2+00 - 3+00 Avg. Flow Depth=0.32' Max Vet=4.45 fps Inflow=1.38 cfs 0.014 of n=0.035 L=50.0' S=0.1358'/' Capacity=28.44 cfs Outflow=1.37 cfs 0.014 of Reach 1 OR: 3+00 - 3+92 Avg. Flow Depth=0.39' Max Vet=12.24 fps Inflow=3.72 cfs 0.037 of n=0.015 L=92.0' S=0.1572'/' Capacity=45.94 cfs Outflow=3.71 cfs 0.037 of Reach 17R: 3+92 - 5+00 Avg. Flow Depth=0.62' Max Vet=2.88 fps Inflow=2.13 cfs 0.021 of n=0.015 L=108.0' S=0.0051 T Capacity=1.30 cfs Outflow=2.11 cfs 0.021 of Reach 18R: 6+60 - 5+00 Avg. Flow Depth=0.46' Max Vet=2.46 fps Inflow=1.05 cfs 0.010 of n=0.015 L=160.0' S=0.0051 T Capacity=1.31 cfs Outflow=1.03 cfs 0.010 of Total Runoff Area = 2.410 ac Runoff Volume = 0.037 of Average Runoff Depth = 0.18" 100.00% Pervious = 2.410 ac 0.00% Impervious = 0.000 ac Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 1S: 0+00 -1+00 Runoff = 0.64 cfs @ 0.09 hrs, Volume= 0.006 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 0.400 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 1S: 0+00 -1+00 Hydrograph ■ Runoff Time (hours) Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 5S: 1+00 - 2+00 Runoff = 0.56 cfs @ 0.09 hrs, Volume= 0.005 af, Depth= 0.18" Routed to Reach 6R : 1+00 - 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 0.350 0.35 0.350 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0 0 0 Subcatchment 5S: 1+00 - 2+00 Hydrograph 1 ■■■■■■■■■■■■Ii}■}77■■■r�■■■}■}fi�rr■■ �I ■■■■ii4 ■■■■■■■■■■■■■■■ri�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) ■ Rwoff Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 7S: 2+00 - 3+00 Runoff = 0.24 cfs @ 0.09 hrs, Volume= 0.002 af, Depth= 0.18" Routed to Reach 8R : 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 0.150 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 Ditch2_P0A#1 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 = 0.24 cfs @ 0.09 hrs, Volume= 0.002 af, Depth= 0.18" Routed to Reach 1 OR : 3+00 - 3+92 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 9S: 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#1 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+92 - 5+00 Runoff = 0.56 cfs @ 0.09 hrs, Volume= 0.005 af, Depth= 0.18" Routed to Reach 17R : 3+92 - 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 0.350 0.35 0.350 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0 0 0 Subcatchment 11S: 3+92 - 5+00 Hydrograph 1 ■■■■■■■■■■■■Ii}■}77■■■r�■■■}■}fi�rr■■ �I ■■■■ii4 ■■■■■■■■■■■■■■■ri�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) ■ Rwoff Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 19S: 5+00 - 6+60 Runoff = 1.05 cfs @ 0.09 hrs, Volume= 0.010 af, Depth= 0.18" Routed to Reach 18R : 6+60 - 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 0.240 0.35 0.660 0.35 Weighted Average 0.660 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 19S: 5+00 - 6+60 Hydrograph Albemarle Rainfall 2-yr uat'o= i, Itn45 i/r R n Ae = . 6 a nffVlm 0.1 f nffDph0.8" c 5.mill i i i i i _ .3 0 — ,., Time (hours) ❑ RunoH Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 20S: 3+92 - 5+00 Runoff = 0.56 cfs @ 0.09 hrs, Volume= 0.005 af, Depth= 0.18" Routed to Reach 17R : 3+92 - 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 0.350 0.35 0.350 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0 0 0 Subcatchment 20S: 3+92 - 5+00 Hydrograph 1 ■■■■■■■■■■■■Ii}■}77■■■r�■■■}■}fi�rr■■ �I ■■■■ii4 ■■■■■■■■■■■■■■■ri�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) ■ Rwoff Ditch2_P0A#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Reach 4R: 0+00 -1 - 00 Inflow Area = 0.400 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.64 cfs @ 0.09 hrs, Volume= 0.006 of Outflow = 0.62 cfs @ 0.12 hrs, Volume= 0.006 af, Atten= 2%, Lag= 1.6 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= 1.51 fps, Min. Travel Time= 1.1 min Avg. Velocity = 0.48 fps, Avg. Travel Time= 3.5 min Peak Storage= 41 cf @ 0.12 hrs Average Depth at Peak Storage= 0.37' , Surface Width= 2.22' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.80 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= 0.0130'/' Inlet Invert= 391.89', Outlet Invert= 390.59' 0.4! w o. aa! LL o.: 02 0: 0.1! 0. Reach 4R: 0+00 -1 - 00 Hydrograph I/' ■■■■■■■■■■■■■� • r r 1 LLM 11 1 1 1 1 Capacity=8.80 cfs ■■■■■■■■■■■■■ ■■■■■■■■■■■■ ■■■■■■■■■■■■ 0000 0.0 0 .2 ,.„3„.,4.,„5„,.57„..8 .. .9,., 1,0„1, .1,2„1,3.,1,4„15,.1s„1'7 18„1,9,.20 21 22 23 24 Time (hours) ■ Inflow ❑ Outflow Ditch2_P0A#1 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 0.10' @ 0.14 hrs Printed 9/6/2022 Inflow Area = 0.750 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 1.17 cfs @ 0.11 hrs, Volume= 0.011 of Outflow = 1.15 cfs @ 0.12 hrs, Volume= 0.011 af, Atten= 2%, Lag= 0.6 min Routed to Reach 8R : 2+00 - 3+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.76 fps, Min. Travel Time= 0.9 min Avg. Velocity = 0.47 fps, Avg. Travel Time= 3.5 min Peak Storage= 65 cf @ 0.12 hrs Average Depth at Peak Storage= 0.47' , Surface Width= 2.79' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.80 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.07 Top Width= 6.00' Length= 100.0' Slope= 0.0130 7' Inlet Invert= 390.59', Outlet Invert= 389.29' Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Reach 6R: 1+00 - 2+00 Hydrograph r . • . I. Max Vel=1.76 fps 1'L 00 ICI000 t t Time (homm) ■ Inflow ❑ Outflow Ditch2_P0A#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 8R: 2+00 - 3+00 [61] Hint: Exceeded Reach 6R outlet invert by 0.32' @ 0.12 hrs Printed 9/6/2022 Inflow Area = 0.900 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 1.38 cfs @ 0.12 hrs, Volume= 0.014 of Outflow = 1.37 cfs @ 0.12 hrs, Volume= 0.014 af, Atten= 0%, Lag= 0.1 min Routed to Reach 1 OR : 3+00 - 3+92 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 4.45 fps, Min. Travel Time= 0.2 min Avg. Velocity = 1.45 fps, Avg. Travel Time= 0.6 min Peak Storage= 15 cf @ 0.12 hrs Average Depth at Peak Storage= 0.32' , Surface Width= 1.93' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 28.44 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= 0.1358 '/' Inlet Invert= 389.29', Outlet Invert= 382.50' Ditch2_POA#1 Prepared by HP Inc. 0 LL Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Reach 8R: 2+00 - 3+00 Hydrograph r III j0000��10z"', rz�Z�011���� t t Time (houm) ■ Inflow ❑ Outflow Ditch2_P0A#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 1OR: 3+00 - 3+92 Printed 9/6/2022 [62] Hint: Exceeded Reach 8R OUTLET depth by 0.07' @ 0.11 hrs [63] Warning: Exceeded Reach 17R INLET depth by 13.91' @ 0.00 hrs Inflow Area = 2.410 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 3.72 cfs @ 0.12 hrs, Volume= 0.037 of Outflow = 3.71 cfs @ 0.12 hrs, Volume= 0.037 af, Atten= 0%, Lag= 0.1 min Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 12.24 fps, Min. Travel Time= 0.1 min Avg. Velocity = 3.93 fps, Avg. Travel Time= 0.4 min Peak Storage= 28 cf @ 0.12 hrs Average Depth at Peak Storage= 0.39' , Surface Width= 1.56' Bank -Full Depth= 1.00' Flow Area= 2.0 sf, Capacity= 45.94 cfs 0.00' x 1.00' deep channel, n= 0.015 Side Slope Z-value= 2.0 '/' Top Width= 4.00' Length= 92.0' Slope= 0.1572 '/' Inlet Invert= 382.50', Outlet Invert= 368.04' Dltch2_P0A#1 Prepared by HP Inc. 1 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Reach 10R: 3+00 - 3+92 Hydrograph III I --- --,----------- ,,,,,,,,,,,,,,,,,,,,,, Time (houm) ■ Inflow 1 OuMow Ditch2_P0A#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 17R: 3+92 - 5+00 [91] Warning: Storage range exceeded by 0.12' [55] Hint: Peak inflow is 164% of Manning's capacity [62] Hint: Exceeded Reach 18R OUTLET depth by 0.16' @ 0.12 hrs Printed 9/6/2022 Inflow Area = 1.360 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 2.13 cfs @ 0.11 hrs, Volume= 0.021 of Outflow = 2.11 cfs @ 0.12 hrs, Volume= 0.021 af, Atten= 1 %, Lag= 0.4 min Routed to Reach 1 OR : 3+00 - 3+92 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.88 fps, Min. Travel Time= 0.6 min Avg. Velocity = 0.77 fps, Avg. Travel Time= 2.3 min Peak Storage= 79 cf @ 0.12 hrs Average Depth at Peak Storage= 0.62' , Surface Width= 2.47' Bank -Full Depth= 0.50' Flow Area= 0.5 sf, Capacity= 1.30 cfs 0.00' x 0.50' deep channel, n= 0.015 Side Slope Z-value= 2.0 '/' Top Width= 2.00' Length= 108.0' Slope= 0.0051 T Inlet Invert= 368.59'. Outlet Invert= 368.04' Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Reach 17R: 3+92 - 5+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_P0A#1 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Reach 18R: 6+60 - 5+00 Inflow Area = 0.660 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 1.05 cfs @ 0.09 hrs, Volume= 0.010 of Outflow = 1.03 cfs @ 0.12 hrs, Volume= 0.010 af, Atten= 2%, Lag= 1.5 min Routed to Reach 17R : 3+92 - 5+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.46 fps, Min. Travel Time= 1.1 min Avg. Velocity = 0.74 fps, Avg. Travel Time= 3.6 min Peak Storage= 67 cf @ 0.12 hrs Average Depth at Peak Storage= 0.46' , Surface Width= 1.83' Bank -Full Depth= 0.50' Flow Area= 0.5 sf, Capacity= 1.31 cfs 0.00' x 0.50' deep channel, n= 0.015 Side Slope Z-value= 2.0 '/' Top Width= 2.00' Length= 160.0' Slope= 0.0051 T Inlet Invert= 369.41', Outlet Invert= 368.59' Reach 18R: 6+60 - 5+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_P0A#1 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 21 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=0.400 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.84 cfs 0.008 of Subcatchment 5S: 1+00 - 2+00 Runoff Area=0.350 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.73 cfs 0.007 of Subcatchment 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=0.150 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.31 cfs 0.003 of Subcatchment 11S: 3+92 - 5+00 Runoff Area=0.350 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.73 cfs 0.007 of Subcatchment 19S: 5+00 - 6+60 Runoff Area=0.660 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=1.38 cfs 0.013 of Subcatchment 20S: 3+92 - 5+00 Runoff Area=0.350 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.73 cfs 0.007 of Reach 4R: 0+00 - 1 - 00 Avg. Flow Depth=0.41' Max Vet=1.62 fps Inflow=0.84 cfs 0.008 of n=0.035 L=100.0' S=0.0130'/' Capacity=8.80 cfs Outflow=0.83 cfs 0.008 of Reach 6R: 1+00 - 2+00 Avg. Flow Depth=0.52' Max Vet=1.89 fps Inflow=1.56 cfs 0.015 of n=0.035 L=100.0' S=0.0130'/' Capacity=8.80 cfs Outflow=1.53 cfs 0.015 of Reach 8R: 2+00 - 3+00 Avg. Flow Depth=0.36' Max Vet=4.77 fps Inflow=1.83 cfs 0.018 of n=0.035 L=50.0' S=0.1358'/' Capacity=28.44 cfs Outflow=1.83 cfs 0.018 of Reach 1 OR: 3+00 - 3+92 Avg. Flow Depth=0.43' Max Vet=13.14 fps Inflow=4.93 cfs 0.049 of n=0.015 L=92.0' S=0.1572'/' Capacity=45.94 cfs Outflow=4.93 cfs 0.049 of Reach 17R: 3+92 - 5+00 Avg. Flow Depth=0.72' Max Vet=3.00 fps Inflow=2.82 cfs 0.027 of n=0.015 L=108.0' S=0.0051 T Capacity=1.30 cfs Outflow=2.80 cfs 0.027 of Reach 18R: 6+60 - 5+00 Avg. Flow Depth=0.51' Max Vet=2.64 fps Inflow=1.38 cfs 0.013 of n=0.015 L=160.0' S=0.0051 T Capacity=1.31 cfs Outflow=1.36 cfs 0.013 of Total Runoff Area = 2.410 ac Runoff Volume = 0.049 of Average Runoff Depth = 0.24" 100.00% Pervious = 2.410 ac 0.00% Impervious = 0.000 ac Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 1S: 0+00 -1+00 Runoff = 0.84 cfs @ 0.09 hrs, Volume= 0.008 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 0.400 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 1S: 0+00 -1+00 Hydrograph ■ Rurwff Time (hours) Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 5S: 1+00 - 2+00 Runoff = 0.73 cfs @ 0.09 hrs, Volume= 0.007 af, Depth= 0.24" Routed to Reach 6R : 1+00 - 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 0.350 0.35 0.350 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 5S: 1+00 - 2+00 Hydrograph LLrii ■■■M■M■■M MEMEMEMEN 100A ................������. 01 , ,,,,,,,,,,,,,,,,,,,,,......,,,,,,, 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Rurwff Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 7S: 2+00 - 3+00 Runoff = 0.31 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.24" Routed to Reach 8R : 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 0.150 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 Ditch2_P0A#1 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 = 0.31 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.24" Routed to Reach 1 OR : 3+00 - 3+92 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 9S: 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#1 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+92 - 5+00 Runoff = 0.73 cfs @ 0.09 hrs, Volume= 0.007 af, Depth= 0.24" Routed to Reach 17R : 3+92 - 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 0.350 0.35 0.350 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 11S: 3+92 - 5+00 Hydrograph LLrii ■■■M■M■■M MEMEMEMEN 100A ................������. 01 , ,,,,,,,,,,,,,,,,,,,,,......,,,,,,, 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Rurwff Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 19S: 5+00 - 6+60 Runoff = 1.38 cfs @ 0.09 hrs, Volume= 0.013 af, Depth= 0.24" Routed to Reach 18R : 6+60 - 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 0.240 0.35 0.660 0.35 Weighted Average 0.660 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 19S: 5+00 - 6+60 Hydrograph Ibemarle Rainfall 10-yr 1 38 cfs u at'o = in, R n Ae = . 6 a nffVlm 0.1 f Run( ffDph0.4' c 5. i i i i i i _ .3 0 — ,., Time (hours) ❑ RunoH Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 20S: 3+92 - 5+00 Runoff = 0.73 cfs @ 0.09 hrs, Volume= 0.007 af, Depth= 0.24" Routed to Reach 17R : 3+92 - 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 0.350 0.35 0.350 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 20S: 3+92 - 5+00 Hydrograph LLrii ■■■M■M■■M MEMEMEMEN 100A ................������. 01 , ,,,,,,,,,,,,,,,,,,,,,......,,,,,,, 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Rurwff Ditch2_P0A#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Reach 4R: 0+00 -1 - 00 Inflow Area = 0.400 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.84 cfs @ 0.09 hrs, Volume= 0.008 of Outflow = 0.83 cfs @ 0.12 hrs, Volume= 0.008 af, Atten= 2%, Lag= 1.5 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= 1.62 fps, Min. Travel Time= 1.0 min Avg. Velocity = 0.50 fps, Avg. Travel Time= 3.3 min Peak Storage= 51 cf @ 0.12 hrs Average Depth at Peak Storage= 0.41' , Surface Width= 2.47' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.80 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= 0.0130'/' Inlet Invert= 391.89', Outlet Invert= 390.59' 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_P0A#1 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 0.11' @ 0.14 hrs Printed 9/6/2022 Inflow Area = 0.750 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.56 cfs @ 0.11 hrs, Volume= 0.015 of Outflow = 1.53 cfs @ 0.12 hrs, Volume= 0.015 af, Atten= 2%, Lag= 0.6 min Routed to Reach 8R : 2+00 - 3+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.89 fps, Min. Travel Time= 0.9 min Avg. Velocity = 0.49 fps, Avg. Travel Time= 3.4 min Peak Storage= 81 cf @ 0.12 hrs Average Depth at Peak Storage= 0.52' , Surface Width= 3.11' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 8.80 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.07 Top Width= 6.00' Length= 100.0' Slope= 0.0130 7' Inlet Invert= 390.59', Outlet Invert= 389.29' DItch2_POA#7 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Reach 6R: 1+00 - 2+00 Hydrograph Printed 9/6/2022 ®j � . , a I r I 1.750 I �I• 1 � : 9 . . L=o ).93 III 1 i III I 1 II III.: �.: I Cf /////////////////////////////////////////////////I Time (houm) ■ Inflow S oulflow Ditch2_P0A#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 8R: 2+00 - 3+00 [61] Hint: Exceeded Reach 6R outlet invert by 0.36' @ 0.12 hrs Printed 9/6/2022 Inflow Area = 0.900 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.83 cfs @ 0.12 hrs, Volume= 0.018 of Outflow = 1.83 cfs @ 0.12 hrs, Volume= 0.018 af, Atten= 0%, Lag= 0.1 min Routed to Reach 10R : 3+00 - 3+92 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 4.77 fps, Min. Travel Time= 0.2 min Avg. Velocity = 1.52 fps, Avg. Travel Time= 0.5 min Peak Storage= 19 cf @ 0.12 hrs Average Depth at Peak Storage= 0.36' , Surface Width= 2.14' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 28.44 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= 0.1358 '/' Inlet Invert= 389.29', Outlet Invert= 382.50' Ditch2_POA#7 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Reach 8R: 2+00 - 3+00 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ■ Outflow Ditch2_P0A#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 1OR: 3+00 - 3+92 Printed 9/6/2022 [62] Hint: Exceeded Reach 8R OUTLET depth by 0.08' @ 0.11 hrs [63] Warning: Exceeded Reach 17R INLET depth by 13.91' @ 0.00 hrs Inflow Area = 2.410 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 4.93 cfs @ 0.12 hrs, Volume= 0.049 of Outflow = 4.93 cfs @ 0.12 hrs, Volume= 0.049 af, Atten= 0%, Lag= 0.1 min Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 13.14 fps, Min. Travel Time= 0.1 min Avg. Velocity = 4.12 fps, Avg. Travel Time= 0.4 min Peak Storage= 34 cf @ 0.12 hrs Average Depth at Peak Storage= 0.43' , Surface Width= 1.73' Bank -Full Depth= 1.00' Flow Area= 2.0 sf, Capacity= 45.94 cfs 0.00' x 1.00' deep channel, n= 0.015 Side Slope Z-value= 2.0 '/' Top Width= 4.00' Length= 92.0' Slope= 0.1572 '/' Inlet Invert= 382.50', Outlet Invert= 368.04' Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Reach 1 OR: 3+00 - 3+92 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ■ Outflow Ditch2_P0A#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 17R: 3+92 - 5+00 [91] Warning: Storage range exceeded by 0.22' [55] Hint: Peak inflow is 217% of Manning's capacity [62] Hint: Exceeded Reach 18R OUTLET depth by 0.21' @ 0.12 hrs Printed 9/6/2022 Inflow Area = 1.360 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 2.82 cfs @ 0.11 hrs, Volume= 0.027 of Outflow = 2.80 cfs @ 0.12 hrs, Volume= 0.027 af, Atten= 1 %, Lag= 0.5 min Routed to Reach 1 OR : 3+00 - 3+92 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 3.00 fps, Min. Travel Time= 0.6 min Avg. Velocity = 0.80 fps, Avg. Travel Time= 2.3 min Peak Storage= 101 cf @ 0.12 hrs Average Depth at Peak Storage= 0.72' , Surface Width= 2.87' Bank -Full Depth= 0.50' Flow Area= 0.5 sf, Capacity= 1.30 cfs 0.00' x 0.50' deep channel, n= 0.015 Side Slope Z-value= 2.0 '/' Top Width= 2.00' Length= 108.0' Slope= 0.0051 T Inlet Invert= 368.59'. Outlet Invert= 368.04' Ditch2_POA#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Reach 17R: 3+92 - 5+00 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ❑ Outflow Ditch2_P0A#1 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 18R: 6+60 - 5+00 [91] Warning: Storage range exceeded by 0.01' [55] Hint: Peak inflow is 106% of Manning's capacity Printed 9/6/2022 Inflow Area = 0.660 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.38 cfs @ 0.09 hrs, Volume= 0.013 of Outflow = 1.36 cfs @ 0.12 hrs, Volume= 0.013 af, Atten= 1 %, Lag= 1.5 min Routed to Reach 17R : 3+92 - 5+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.64 fps, Min. Travel Time= 1.0 min Avg. Velocity = 0.77 fps, Avg. Travel Time= 3.4 min Peak Storage= 83 cf @ 0.12 hrs Average Depth at Peak Storage= 0.51' , Surface Width= 2.03' Bank -Full Depth= 0.50' Flow Area= 0.5 sf, Capacity= 1.31 cfs 0.00' x 0.50' deep channel, n= 0.015 Side Slope Z-value= 2.0 '/' Top Width= 2.00' Length= 160.0' Slope= 0.0051 T Inlet Invert= 369.41', Outlet Invert= 368.59' Dltch2_POA#1 Prepared by HP Inc. F, r Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Printed 9/6/2022 Reach 18R: 6+60 - 5+00 Hydrograph r III . I I III I I I Time (houm) ■ Inflow S oulflow