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HomeMy WebLinkAboutWPO202200038 Calculations 2022-09-14 (9)1+00 2+00 0+00 1+00 4R -�> E6R] 10R 0+00 - 0+25 0+25 - 1 +30 1 +30 - 1 +60 1 +60 - Outfall Subcat Reach Aon Llnk Ditch2_POA#3 Prepared by HP Project Notes Defined 10 rainfall events from Albemarle Rainfall OF Copied 10 events from Albemarle Rainfall 24-hr S1 storm Printed 9/7/2022 Ditch2_POA#3 Prepared by HP Area Listing (all nodes) Area C Description (acres) (subcatchment-numbers) 0.310 0.35 (3S, 7S) 0.310 0.35 TOTAL AREA Printed 9/7/2022 Ditch2_POA#3 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Prepared by HP Printed 9/7/2022 HVdroCAD® 10.10-6a s/n 08126 © 2020 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 3S: 0+00 - 1+00 Runoff Area=0.110 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.17 cfs 0.002 of Subcatchment 7S: 1+00 - 2+00 Runoff Area=0.200 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.32 cfs 0.003 of Reach 4R: 0+00 - 0+25 Avg. Flow Depth=0.18' Max Vet=1.80 fps Inflow=0.17 cfs 0.002 of n=0.035 L=25.0' S=0.0484'/' Capacity=7.89 cfs Outflow=0.17 cfs 0.002 of Reach 6R: 0+25 - 1+30 Avg. Flow Depth=0.23' Max Vet=1.05 fps Inflow=0.17 cfs 0.002 of n=0.035 L=105.0' S=0.0120'/' Capacity=3.93 cfs Outflow=0.16 cfs 0.002 of Reach 8R: 1+30 - 1+60 Avg. Flow Depth=0.22' Max Vet=3.30 fps Inflow=0.47 cfs 0.005 of n=0.035 L=30.0' S=0.1247'/' Capacity=12.65 cfs Outflow=0.47 cfs 0.005 of Reach 1 OR: 1+60 - Outfall Avg. Flow Depth=0.31' Max Vet=1.59 fps Inflow=0.47 cfs 0.005 of n=0.035 L=40.0' S=0.0180 T Capacity=4.81 cfs Outflow=0.47 cfs 0.005 of Total Runoff Area = 0.310 ac Runoff Volume = 0.005 of Average Runoff Depth = 0.18" 100.00% Pervious = 0.310 ac 0.00% Impervious = 0.000 ac Ditch2_POA#3 Prepared by HP Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/7/2022 Summary for Subcatchment 3S: 0+00 -1+00 Runoff = 0.17 cfs @ 0.09 hrs, Volume= 0.002 af, Depth= 0.18" Routed to Reach 4R : 0+00 - 0+25 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 0.110 0.35 0.110 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 5 Subcatchment 3S: 0+00 -1+00 Hydrograph ® I� MMM • ' TIMIM �. � �. • 0.10 ' Runoff Volume=0.00Z,m • • 1 is ............ ............ ............ ............ ........... .......... �MMMMMM-.M ........M... ............ m .............mmm..m m .................mmuiL M ....................... M ....................... V 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Runoff Ditch2_POA#3 Prepared by HP Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/7/2022 Summary for Subcatchment 7S: 1+00 - 2+00 Runoff = 0.32 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.18" Routed to Reach 8R : 1+30 - 1+60 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 0.200 0.35 0.200 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0.. 0.2 0.2 0.2 0.2 0. 0.1 01 LL 0.1 0.1 0. 0.0 0.0 0.0 0.0 Subcatchment 7S: 1+00 - 2+00 Hydrograph .. . ............ ............ �� ... ■■■■■■■ ■■■ ... ■E ..v.. II 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#3 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Prepared by HP Printed 9/7/2022 Summary for Reach 4R: 0+00 - 0+25 Inflow Area = 0.110 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.17 cfs @ 0.09 hrs, Volume= 0.002 of Outflow = 0.17 cfs @ 0.10 hrs, Volume= 0.002 af, Atten= 0%, Lag= 0.8 min Routed to Reach 6R : 0+25 - 1+30 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.80 fps, Min. Travel Time= 0.2 min Avg. Velocity = 1.20 fps, Avg. Travel Time= 0.3 min Peak Storage= 2 cf @ 0.10 hrs Average Depth at Peak Storage= 0.18' , Surface Width= 1.08' Bank -Full Depth= 0.75' Flow Area= 1.7 sf, Capacity= 7.89 cfs 0.00' x 0.75' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0 7' Top Width= 4.50' Length= 25.0' Slope= 0.0484 7' Inlet Invert= 351.00', Outlet Invert= 349.79' 0.19 0. 0. 0.17 0.16 0.15 0.14 0.13 0.12 w 0.11 o., 0 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Reach 4R: 0+00 - 0+25 Hydrograph EMMMMM...-.... ............WWW�M ............WWW ■ ..............N.. , . ..............v.����. . . ............. ............. • . ; . 1# 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Inflow ❑ Outflow Ditch2_POA#3 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Prepared by HP Printed 9/7/2022 Summary for Reach 6R: 0+25 -1+30 [62] Hint: Exceeded Reach 4R OUTLET depth by 0.11' @ 0.21 hrs Inflow Area = 0.110 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.17 cfs @ 0.10 hrs, Volume= 0.002 of Outflow = 0.16 cfs @ 0.12 hrs, Volume= 0.002 af, Atten= 7%, Lag= 1.3 min Routed to Reach 8R : 1+30 - 1+60 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.05 fps, Min. Travel Time= 1.7 min Avg. Velocity = 0.35 fps, Avg. Travel Time= 5.0 min Peak Storage= 16 cf @ 0.12 hrs Average Depth at Peak Storage= 0.23' , Surface Width= 1.37' Bank -Full Depth= 0.75' Flow Area= 1.7 sf, Capacity= 3.93 cfs 0.00' x 0.75' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0 7' Top Width= 4.50' Length= 105.0' Slope= 0.0120 7' Inlet Invert= 349.79', Outlet Invert= 348.53' Ditch2_POA#3 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Prepared by HP Printed 9/7/2022 0. 0. 0. 0. 0. 0. 0. 0. 0. i of LL 0.i 0.i 0.i 0.i 0.i 0.i 0 0 Reach 6R: 0+25 - 1+30 Hydrograph ■EMEME■ AMM®Mw�wwm IVA r A ern ai �i�a` f■ III III....■.... ����■�������� �� a• . MMMM■MMM 00 L ���■������ ��� I�/ ����������������������������������������������������������������������������������������������� t ■ Inflow ❑ Outflow Ditch2_POA#3 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Prepared by HP Printed 9/7/2022 Summary for Reach 8R: 1+30 -1+60 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.05' @ 0.02 hrs Inflow Area = 0.310 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.47 cfs @ 0.11 hrs, Volume= 0.005 of Outflow = 0.47 cfs @ 0.11 hrs, Volume= 0.005 af, Atten= 0%, Lag= 0.1 min Routed to Reach 1 OR : 1+60 - Outfall Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 3.30 fps, Min. Travel Time= 0.2 min Avg. Velocity = 1.20 fps, Avg. Travel Time= 0.4 min Peak Storage= 4 cf @ 0.11 hrs Average Depth at Peak Storage= 0.22' , Surface Width= 1.31' Bank -Full Depth= 0.75' Flow Area= 1.7 sf, Capacity= 12.65 cfs 0.00' x 0.75' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.07 Top Width= 4.50' Length= 30.0' Slope= 0.1247 T Inlet Invert= 348.53', Outlet Invert= 344.79' Ditch2_POA#3 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Prepared by HP Printed 9/7/2022 OCO 0.45 0.4 0.35 0.3 e 0.25 u 0.2 0.15 0.1 0.05 Reach 8R: 1+30 - 1+60 Hydrograph �........ ......... it � : . ............... Time (hours) ■ Inflow ■ Outflow Ditch2_POA#3 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Prepared by HP Printed 9/7/2022 Summary for Reach 1 OR: 1+60 - Outfall [62] Hint: Exceeded Reach 8R OUTLET depth by 0.10' @ 0.13 hrs Inflow Area = 0.310 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.47 cfs @ 0.11 hrs, Volume= 0.005 of Outflow = 0.47 cfs @ 0.12 hrs, Volume= 0.005 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= 1.59 fps, Min. Travel Time= 0.4 min Avg. Velocity = 0.48 fps, Avg. Travel Time= 1.4 min Peak Storage= 12 cf @ 0.12 hrs Average Depth at Peak Storage= 0.31' , Surface Width= 1.88' Bank -Full Depth= 0.75' Flow Area= 1.7 sf, Capacity= 4.81 cfs 0.00' x 0.75' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 4.50' Length= 40.0' Slope= 0.0180 T Inlet Invert= 344.79'. Outlet Invert= 344.07' L 0.41 o. 0.3! 0.: c 02 LL Reach 1 OR: 1+60 - Outfall Hydrograph NEENNEEN Monosson •0lnsommonso 1 1 1 1 1 i i I� ill III III m ■■■ C ................ ■■■■■■■■■■■■■ Time (houm) ❑ Inflow ❑ Outflow Ditch2_POA#3 Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Prepared by HP Printed 9/7/2022 HVdroCAD® 10.10-6a s/n 08126 © 2020 HVdroCAD Software Solutions LLC Paoe 13 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 3S: 0+00 - 1+00 Runoff Area=0.110 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.23 cfs 0.002 of Subcatchment 7S: 1+00 - 2+00 Runoff Area=0.200 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.42 cfs 0.004 of Reach 4R: 0+00 - 0+25 Avg. Flow Depth=0.20' Max Vet=1.93 fps Inflow=0.23 cfs 0.002 of n=0.035 L=25.0' S=0.0484'/' Capacity=7.89 cfs Outflow=0.23 cfs 0.002 of Reach 6R: 0+25 - 1+30 Avg. Flow Depth=0.25' Max Vet=1.13 fps Inflow=0.23 cfs 0.002 of n=0.035 L=105.0' S=0.0120'/' Capacity=3.93 cfs Outflow=0.22 cfs 0.002 of Reach 8R: 1+30 - 1+60 Avg. Flow Depth=0.24' Max Vet=3.54 fps Inflow=0.63 cfs 0.006 of n=0.035 L=30.0' S=0.1247'/' Capacity=12.65 cfs Outflow=0.63 cfs 0.006 of Reach 1 OR: 1+60 - Outfall Avg. Flow Depth=0.35' Max Vet=1.71 fps Inflow=0.63 cfs 0.006 of n=0.035 L=40.0' S=0.0180 T Capacity=4.81 cfs Outflow=0.63 cfs 0.006 of Total Runoff Area = 0.310 ac Runoff Volume = 0.006 of Average Runoff Depth = 0.24" 100.00% Pervious = 0.310 ac 0.00% Impervious = 0.000 ac Ditch2_POA#3 Prepared by HP Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/7/2022 Summary for Subcatchment 3S: 0+00 -1+00 Runoff = 0.23 cfs @ 0.09 hrs, Volume= 0.002 af, Depth= 0.24" Routed to Reach 4R : 0+00 - 0+25 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 0.110 0.35 0.110 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 5 Subcatchment 3S: 0+00 -1+00 Hydrograph w wwwwwww ww w ww�wwww�w■irw wwwwwwwwwwwlllla�l:LiL'LJ11J1: W 1�'du� wwwwwwwwwwwwwwwwwi lrlz�.y I rl wwwwwwwwwwwwwwwww CIE----MMMwwwwwww-- �wwwwwwwvww�ww // 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#3 Prepared by HP Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/7/2022 Summary for Subcatchment 7S: 1+00 - 2+00 Runoff = 0.42 cfs @ 0.09 hrs, Volume= 0.004 af, Depth= 0.24" Routed to Reach 8R : 1+30 - 1+60 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 0.200 0.35 0.200 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 7S: 1+00 - 2+00 Hydrograph ______��___�11Lt31t�!`L' fJ.illlLi■ __________�__�':iJ1L•LiLL31tl�i�'1�� V 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ■ Runoff Ditch2_POA#3 Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Prepared by HP Printed 9/7/2022 Summary for Reach 4R: 0+00 - 0+25 Inflow Area = 0.110 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.23 cfs @ 0.09 hrs, Volume= 0.002 of Outflow = 0.23 cfs @ 0.10 hrs, Volume= 0.002 af, Atten= 0%, Lag= 0.8 min Routed to Reach 6R : 0+25 - 1+30 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.93 fps, Min. Travel Time= 0.2 min Avg. Velocity = 1.25 fps, Avg. Travel Time= 0.3 min Peak Storage= 3 cf @ 0.10 hrs Average Depth at Peak Storage= 0.20' , Surface Width= 1.20' Bank -Full Depth= 0.75' Flow Area= 1.7 sf, Capacity= 7.89 cfs 0.00' x 0.75' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0 7' Top Width= 4.50' Length= 25.0' Slope= 0.0484 7' Inlet Invert= 351.00', Outlet Invert= 349.79' Reach 4R: 0+00 - 0+25 Hydrograph ❑ Inflow ❑ Outflow 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) Ditch2_POA#3 Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Prepared by HP Printed 9/7/2022 Summary for Reach 6R: 0+25 -1+30 [62] Hint: Exceeded Reach 4R OUTLET depth by 0.12' @ 0.21 hrs Inflow Area = 0.110 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.23 cfs @ 0.10 hrs, Volume= 0.002 of Outflow = 0.22 cfs @ 0.12 hrs, Volume= 0.002 af, Atten= 6%, Lag= 1.2 min Routed to Reach 8R : 1+30 - 1+60 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.13 fps, Min. Travel Time= 1.5 min Avg. Velocity = 0.37 fps, Avg. Travel Time= 4.8 min Peak Storage= 20 cf @ 0.12 hrs Average Depth at Peak Storage= 0.25' , Surface Width= 1.52' Bank -Full Depth= 0.75' Flow Area= 1.7 sf, Capacity= 3.93 cfs 0.00' x 0.75' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0 7' Top Width= 4.50' Length= 105.0' Slope= 0.0120 7' Inlet Invert= 349.79', Outlet Invert= 348.53' Ditch2_POA#3 Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Prepared by HP Printed 9/7/2022 Reach 6R: 0+25 - 1+30 Hydrograph ■ Inflow ■ Outflow Time (hours) Ditch2_POA#3 Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Prepared by HP Printed 9/7/2022 Summary for Reach 8R: 1+30 -1+60 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.06' @ 0.02 hrs Inflow Area = 0.310 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.63 cfs @ 0.11 hrs, Volume= 0.006 of Outflow = 0.63 cfs @ 0.11 hrs, Volume= 0.006 af, Atten= 0%, Lag= 0.1 min Routed to Reach 1 OR : 1+60 - Outfall Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 3.54 fps, Min. Travel Time= 0.1 min Avg. Velocity = 1.26 fps, Avg. Travel Time= 0.4 min Peak Storage= 5 cf @ 0.11 hrs Average Depth at Peak Storage= 0.24' , Surface Width= 1.46' Bank -Full Depth= 0.75' Flow Area= 1.7 sf, Capacity= 12.65 cfs 0.00' x 0.75' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.07 Top Width= 4.50' Length= 30.0' Slope= 0.1247 T Inlet Invert= 348.53', Outlet Invert= 344.79' Ditch2_POA#3 Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whr Prepared by HP Printed 9/7/2022 0. 0.d 0. 0.5 0. 0.4 0. 3 0.3 0 LL 0 0.2 0. 0.1 0. 0.0 Reach 8R: 1+30 - 1+60 Hydrograph �m■ «. • . ■■■■■■■■■■■■■� �I, ■■■■■■■■■■■■ ■::■■d■■:■■ i!,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, ,,,, 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) ■ Inflow outliml Ditch2_POA#3 Prepared by HP Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/7/2022 Summary for Reach 1 OR: 1+60 - Outfall [62] Hint: Exceeded Reach 8R OUTLET depth by 0.11' @ 0.13 hrs Inflow Area = 0.310 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.63 cfs @ 0.11 hrs, Volume= 0.006 of Outflow = 0.63 cfs @ 0.12 hrs, Volume= 0.006 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= 1.71 fps, Min. Travel Time= 0.4 min Avg. Velocity = 0.50 fps, Avg. Travel Time= 1.3 min Peak Storage= 15 cf @ 0.12 hrs Average Depth at Peak Storage= 0.35' , Surface Width= 2.10' Bank -Full Depth= 0.75' Flow Area= 1.7 sf, Capacity= 4.81 cfs 0.00' x 0.75' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 4.50' Length= 40.0' Slope= 0.0180 T Inlet Invert= 344.79'. Outlet Invert= 344.07' I 0. 0. I 0. I 0. Reach 1 OR: 1+60 - Outfall Hydrograph � ■■■■■■■■■■■■■■■iliiiliii■�ilii�+�■ 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