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HomeMy WebLinkAboutWPO202200038 Calculations 2022-09-14 (7)1S 5S 7S 9S 13S 3 00 - 4+0(Jt - 5+00 0+00 - 'l\+00 1 +00 - �00 2+00 - �±00C�/ [4R] --� 6R --0 [8R] -� [10R] -�> [19R] 0+00 - 1+00 1+00 - 2+00 2+00 - 3+25 3+25 - 4+50 4+50 - 5+10 Subcat Reach Aon Llflk 5+10 - 5+90 6+00 - Outfall Ditch1_POA#5 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#5 Prepared by HP Inc. Area Listing (all nodes) Area C Description (acres) (subcatchment-numbers) 1.660 0.35 (1S, 5S, 7S, 9S, 13S, 15S) 1.660 0.35 TOTAL AREA Printed 9/6/2022 Ditch1_POA#5 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=0.200 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.32 cfs 0.003 of Subcatchment 5S: 1+00 - 2+00 Runoff Area=0.260 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.41 cfs 0.004 of Subcatchment 7S: 2+00 - 3+00 Runoff Area=0.480 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.76 cfs 0.007 of Subcatchment 9S: 3+00 - 4+00 Runoff Area=0.390 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.62 cfs 0.006 of Subcatchment 13S: 4+00 - 5+00 Runoff Area=0.140 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.22 cfs 0.002 of Subcatchment 15S: 5+00 - 6+00 Runoff Area=0.190 ac 0.00% Impervious Runoff Depth=0.18" Tc=5.0 min C=0.35 Runoff=0.30 cfs 0.003 of Reach 4R: 0+00 - 1+00 Avg. Flow Depth=0.33' Max Vet=0.93 fps Inflow=0.32 cfs 0.003 of n=0.035 L=100.0' S=0.0058'/' Capacity=5.88 cfs Outflow=0.29 cfs 0.003 of Reach 6R: 1+00 - 2+00 Avg. Flow Depth=0.44' Max Vet=1.13 fps Inflow=0.70 cfs 0.007 of n=0.035 L=100.0' S=0.0058'/' Capacity=5.88 cfs Outflow=0.66 cfs 0.007 of Reach 8R: 2+00 - 3+25 Avg. Flow Depth=0.48' Max Vet=2.85 fps Inflow=2.00 cfs 0.020 of n=0.035 L=125.0' S=0.0327'/' Capacity=13.96 cfs Outflow=1.97 cfs 0.020 of Reach 1 OR: 3+25 - 4+50 Avg. Flow Depth=0.42' Max Vet=4.00 fps Inflow=2.19 cfs 0.022 of n=0.035 L=127.0' S=0.0761 '/' Capacity=21.29 cfs Outflow=2.16 cfs 0.022 of Reach 17R: 5+10 - 5+90 Avg. Flow Depth=0.29' Max Vet=14.22 fps Inflow=2.43 cfs 0.025 of n=0.015 L=80.0' S=0.3115'/' Capacity=64.67 cfs Outflow=2.43 cfs 0.025 of Reach 18R: 6+00 - Outfall Avg. Flow Depth=0.37' Max Vet=5.84 fps Inflow=2.43 cfs 0.025 of n=0.035 L=73.0' S=0.1929'/' Capacity=33.90 cfs Outflow=2.42 cfs 0.025 of Reach 19R: 4+50 - 5+10 Avg. Flow Depth=0.46' Max Vet=3.32 fps Inflow=2.16 cfs 0.022 of n=0.035 L=60.0' S=0.0463'/' Capacity=16.61 cfs Outflow=2.16 cfs 0.022 of Total Runoff Area = 1.660 ac Runoff Volume = 0.025 of Average Runoff Depth = 0.18" 100.00% Pervious = 1.660 ac 0.00% Impervious = 0.000 ac Ditch1_POA#5 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 = 0.32 cfs @ 0.09 hrs, Volume= 0.003 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 0.200 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 1S: 0+00 -1+00 Hydrograph .. . ............ ............ �� ... ■■■■■■■ ■■■ ... ■E ME MEMO 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 Ditch1_POA#5 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 = 0.41 cfs @ 0.09 hrs, Volume= 0.004 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 0.260 0.35 0.260 100.00% 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 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#5 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 = 0.76 cfs @ 0.09 hrs, Volume= 0.007 af, Depth= 0.18" Routed to Reach 8R : 2+00 - 3+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 0.480 0.35 0.480 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 7S: 2+00 - 3+00 Hydrograph ■ Rurwff Time (hours) Ditch1_POA#5 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 = 0.62 cfs @ 0.09 hrs, Volume= 0.006 af, Depth= 0.18" Routed to Reach 8R : 2+00 - 3+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 0.390 0.35 0.390 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0. I 9. I 9. � I 9. 0 LL I 9. I 9. I 0. Subcatchment 9S: 3+00 - 4+00 Hydrograph MESON MEMMEME • . ' . -: . . / �I iIt �I ..........� . ............ ■■■■■■■■■■■ ■■■EM■■ EM..... ::::::MME ......MEMEME.... ':::::::MEMEN �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#5 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 = 0.22 cfs @ 0.09 hrs, Volume= 0.002 af, Depth= 0.18" Routed to Reach 1 OR: 3+25 - 4+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 0.140 0.35 0.140 100.00% 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#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Summary for Subcatchment 15S: 5+00 - 6+00 Runoff = 0.30 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.18" Routed to Reach 17R : 5+10 - 5+90 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 0.190 0.35 0.190 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0 so 0 Subcatchment 15S: 5+00 - 6+00 Hydrograph 1 1 ............N .............� �I MMMIMM ::::::::::. ........ 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 Ditch1_POA#5 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 = 0.200 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.32 cfs @ 0.09 hrs, Volume= 0.003 of Outflow = 0.29 cfs @ 0.12 hrs, Volume= 0.003 af, Atten= 7%, Lag= 2.0 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= 0.93 fps, Min. Travel Time= 1.8 min Avg. Velocity = 0.27 fps, Avg. Travel Time= 6.2 min Peak Storage= 32 cf @ 0.12 hrs Average Depth at Peak Storage= 0.33' , Surface Width= 1.95' 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= 377.86', Outlet Invert= 377.28' 0.3 0.3 0. 0.2 0.2 0.2 0.2 w 0. 3 0.1 LL 0.1 0.1 0.1 0. 0.0 0.0 0.0 0.0 Reach 4R: 0+00 -1+00 Hydrograph ®■■■■mmmmmmmmmmmmmmmm E■■■■■■ ■■■■a tea■■■■■■■■■■ .. �w;qw■ • Flow - • • ■ 1+�� !� C■■■■■■■■■■ ■■■■■■■■■■ ■■■■■■■■■■■ ■■■■■E■■■■■ ■■■�■■■■■■■ III■■■■■■■■■■■■ ■■■■■■■■■■■■ ■■■■■■■■■■■■ z 0 , ii,. , , , . • cfs ■■■■..■■.... ■..■■■■■■.■■ ■■.■■■■■■■■. 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#5 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 = 0.460 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.70 cfs @ 0.11 hrs, Volume= 0.007 of Outflow = 0.66 cfs @ 0.13 hrs, Volume= 0.007 af, Atten= 6%, Lag= 0.9 min Routed to Reach 8R : 2+00 - 3+25 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 = 0.28 fps, Avg. Travel Time= 6.0 min Peak Storage= 58 cf @ 0.13 hrs Average Depth at Peak Storage= 0.44' , Surface Width= 2.64' 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= 377.26', Outlet Invert= 376.68' Ditch1_POA#5 Prepared by HP Inc. 0.7 0 0.6 0. 0.5 0. 0.4 0. 3 LL 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 � �■����■������i�iiYWii�iliRir �W 'ili�°IY� �%� ■■■■■■■■■■L1T�1��3�1 rZa��:�fi �% ■■■■■■■■■■■■■■W�iililii�il`iiii ...................... 0. ..,.. .2�. 84' 56 78.��.9�. 1011�. 1�2 13.� 1415�.�1�6 17.��18�.�1,9�. 20 21 22 23 24 Time (hours) ■ Inflow . Outflml Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 8R: 2+00 - 3+25 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.14' @ 0.05 hrs Printed 9/6/2022 Inflow Area = 1.330 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 2.00 cfs @ 0.11 hrs, Volume= 0.020 of Outflow = 1.97 cfs @ 0.12 hrs, Volume= 0.020 af, Atten= 1 %, Lag= 0.4 min Routed to Reach 1 OR: 3+25 - 4+50 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.85 fps, Min. Travel Time= 0.7 min Avg. Velocity = 0.69 fps, Avg. Travel Time= 3.0 min Peak Storage= 86 cf @ 0.12 hrs Average Depth at Peak Storage= 0.48' , Surface Width= 2.88' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 13.96 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= 125.0' Slope= 0.0327 7' Inlet Invert= 376.75', Outlet Invert= 372.66' Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Reach 8R: 2+00 - 3+25 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ❑ Outflow Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 1 OR: 3+25 - 4+50 [61] Hint: Exceeded Reach 8R outlet invert by 0.42' @ 0.12 hrs Printed 9/6/2022 Inflow Area = 1.470 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 2.19 cfs @ 0.12 hrs, Volume= 0.022 of Outflow = 2.16 cfs @ 0.12 hrs, Volume= 0.022 af, Atten= 1 %, Lag= 0.4 min Routed to Reach 19R : 4+50 - 5+10 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 4.00 fps, Min. Travel Time= 0.5 min Avg. Velocity = 1.01 fps, Avg. Travel Time= 2.1 min Peak Storage= 69 cf @ 0.12 hrs Average Depth at Peak Storage= 0.42' , Surface Width= 2.54' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 21.29 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 127.0' Slope= 0.0761 T Inlet Invert= 372.66', Outlet Invert= 363.00' Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 Whir Reach 10R: 3+25 - 4+50 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ■ outflow Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 17R: 5+10 - 5+90 [62] Hint: Exceeded Reach 19R OUTLET depth by 0.02' @ 0.01 hrs Printed 9/6/2022 Inflow Area = 1.660 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 2.43 cfs @ 0.12 hrs, Volume= 0.025 of Outflow = 2.43 cfs @ 0.12 hrs, Volume= 0.025 af, Atten= 0%, Lag= 0.1 min Routed to Reach 18R : 6+00 - Outfall Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 14.22 fps, Min. Travel Time= 0.1 min Avg. Velocity = 4.59 fps, Avg. Travel Time= 0.3 min Peak Storage= 14 cf @ 0.12 hrs Average Depth at Peak Storage= 0.29' , Surface Width= 1.17' Bank -Full Depth= 1.00' Flow Area= 2.0 sf, Capacity= 64.67 cfs 0.00' x 1.00' deep channel, n= 0.015 Side Slope Z-value= 2.0 '/' Top Width= 4.00' Length= 80.0' Slope= 0.3115 T Inlet Invert= 360.22', Outlet Invert= 335.30' Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Reach 17R: 5+10 - 5+90 Hydrograph r Inflow !r=l ..,. I� �r III �l " ,: �1 , iMIST .. .. . 0 1 . z. 3. .4. 5 6 .7. .8 . 4 .1 0 .1' 12 11 14 .1,5 16 11. 18 .1,6 20 21 22 23 24 Time (hours) ■ Inflow ❑ Outflow Ditch1_POA#5 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+00 - Outfall [62] Hint: Exceeded Reach 17R OUTLET depth by 0.08' @ 0.14 hrs Inflow Area = 1.660 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 2.43 cfs @ 0.12 hrs, Volume= 0.025 of Outflow = 2.42 cfs @ 0.13 hrs, Volume= 0.025 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= 5.84 fps, Min. Travel Time= 0.2 min Avg. Velocity = 1.55 fps, Avg. Travel Time= 0.8 min Peak Storage= 30 cf @ 0.13 hrs Average Depth at Peak Storage= 0.37' , Surface Width= 2.23' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 33.90 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 73.0' Slope= 0.1929 '/' Inlet Invert= 335.30'. Outlet Invert= 321.22' 2 Reach 18R: 6+00 - Outfall Hydrograph iInflow Area .. . .. .-. , . . .... , 90 I� /I Time (houm) FE ]—I n-fl.-w ❑ Outflow Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 19R: 4+50 - 5+10 [62] Hint: Exceeded Reach 10R OUTLET depth by 0.05' @ 0.16 hrs Printed 9/6/2022 Inflow Area = 1.470 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 2.16 cfs @ 0.12 hrs, Volume= 0.022 of Outflow = 2.16 cfs @ 0.13 hrs, Volume= 0.022 af, Atten= 0%, Lag= 0.2 min Routed to Reach 17R : 5+10 - 5+90 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 3.32 fps, Min. Travel Time= 0.3 min Avg. Velocity = 0.79 fps, Avg. Travel Time= 1.3 min Peak Storage= 39 cf @ 0.13 hrs Average Depth at Peak Storage= 0.46' , Surface Width= 2.79' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 16.61 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 60.0' Slope= 0.0463 7' Inlet Invert= 363.00', Outlet Invert= 360.22' Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Reach 19R: 4+50 - 5+10 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ❑ Outflow Ditch1_POA#5 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=0.200 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.42 cfs 0.004 of Subcatchment 5S: 1+00 - 2+00 Runoff Area=0.260 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.55 cfs 0.005 of Subcatchment 7S: 2+00 - 3+00 Runoff Area=0.480 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=1.01 cfs 0.010 of Subcatchment 9S: 3+00 - 4+00 Runoff Area=0.390 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.82 cfs 0.008 of Subcatchment 13S: 4+00 - 5+00 Runoff Area=0.140 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.29 cfs 0.003 of Subcatchment 15S: 5+00 - 6+00 Runoff Area=0.190 ac 0.00% Impervious Runoff Depth=0.24" Tc=5.0 min C=0.35 Runoff=0.40 cfs 0.004 of Reach 4R: 0+00 - 1+00 Avg. Flow Depth=0.36' Max Vet=1.00 fps Inflow=0.42 cfs 0.004 of n=0.035 L=100.0' S=0.0058'/' Capacity=5.88 cfs Outflow=0.39 cfs 0.004 of Reach 6R: 1+00 - 2+00 Avg. Flow Depth=0.49' Max Vet=1.22 fps Inflow=0.93 cfs 0.009 of n=0.035 L=100.0' S=0.0058'/' Capacity=5.88 cfs Outflow=0.88 cfs 0.009 of Reach 8R: 2+00 - 3+25 Avg. Flow Depth=0.53' Max Vet=3.07 fps Inflow=2.66 cfs 0.027 of n=0.035 L=125.0' S=0.0327'/' Capacity=13.96 cfs Outflow=2.63 cfs 0.027 of Reach 1 OR: 3+25 - 4+50 Avg. Flow Depth=0.47' Max Vet=4.31 fps Inflow=2.92 cfs 0.030 of n=0.035 L=127.0' S=0.0761 T Capacity=21.29 cfs Outflow=2.89 cfs 0.030 of Reach 17R: 5+10 - 5+90 Avg. Flow Depth=0.33' Max Vet=15.30 fps Inflow=3.25 cfs 0.033 of n=0.015 L=80.0' S=0.3115'/' Capacity=64.67 cfs Outflow=3.24 cfs 0.033 of Reach 18R: 6+00 - Outfall Avg. Flow Depth=0.41' Max Vet=6.28 fps Inflow=3.24 cfs 0.033 of n=0.035 L=73.0' S=0.1929'/' Capacity=33.90 cfs Outflow=3.24 cfs 0.033 of Reach 19R: 4+50 - 5+10 Avg. Flow Depth=0.52' Max Vet=3.57 fps Inflow=2.89 cfs 0.030 of n=0.035 L=60.0' S=0.0463'/' Capacity=16.61 cfs Outflow=2.88 cfs 0.030 of Total Runoff Area = 1.660 ac Runoff Volume = 0.033 of Average Runoff Depth = 0.24" 100.00% Pervious = 1.660 ac 0.00% Impervious = 0.000 ac Ditch1_POA#5 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 = 0.42 cfs @ 0.09 hrs, Volume= 0.004 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 0.200 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 1S: 0+00 -1+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 Ditch1_POA#5 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 = 0.55 cfs @ 0.09 hrs, Volume= 0.005 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 0.260 0.35 0.260 100.00% 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 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#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Subcatchment 7S: 2+00 - 3+00 Runoff = 1.01 cfs @ 0.09 hrs, Volume= 0.010 af, Depth= 0.24" Routed to Reach 8R : 2+00 - 3+25 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 10-yr Duration=7 min, Inten=5.94 in/hr 0.480 0.35 0.480 100.00% 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 i of cs le arte Ran 111-r uato= i, IMen =5...9 i/r Runoff Area=0.480 ac unoff V lume=0.01 of n ff D�p1 h�0. 4�' Tc=5.0 min C=0.35 Time (houm) ■ Runoff Ditch1_POA#5 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 = 0.82 cfs @ 0.09 hrs, Volume= 0.008 af, Depth= 0.24" Routed to Reach 8R : 2+00 - 3+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 0.390 0.35 0.390 100.00% 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#5 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 = 0.29 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.24" Routed to Reach 1 OR: 3+25 - 4+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 0.140 0.35 0.140 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0.32 02 0.28 0.zs 0.24 0.22 0.2 0.18 c 0.16 LL 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Subcatchment 13S: 4+00 - 5+00 Hydrograph MM .............. • 0111 Aw m C:::::::: �: ..........� _ .. • • , . 1 11 MEMEMEMEME ........... ,fI'r, .I•,, i1 it .................���T 1, ■.■■■■■■■■■.■■.■■■■M�� �I ........ brimm 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#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Subcatchment 15S: 5+00 - 6+00 Runoff = 0.40 cfs @ 0.09 hrs, Volume= 0.004 af, Depth= 0.24" Routed to Reach 17R : 5+10 - 5+90 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 0.190 0.35 0.190 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, 0 0 Subcatchment 15S: 5+00 - 6+00 Hydrograph .. .�... ....................... V 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) ❑ RunoH Ditch1_POA#5 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 = 0.200 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.42 cfs @ 0.09 hrs, Volume= 0.004 of Outflow = 0.39 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= 1.00 fps, Min. Travel Time= 1.7 min Avg. Velocity = 0.28 fps, Avg. Travel Time= 6.0 min Peak Storage= 40 cf @ 0.12 hrs Average Depth at Peak Storage= 0.36' , Surface Width= 2.18' 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= 377.86', Outlet Invert= 377.28' 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#5 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 = 0.460 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.93 cfs @ 0.11 hrs, Volume= 0.009 of Outflow = 0.88 cfs @ 0.13 hrs, Volume= 0.009 af, Atten= 5%, Lag= 0.9 min Routed to Reach 8R : 2+00 - 3+25 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.22 fps, Min. Travel Time= 1.4 min Avg. Velocity = 0.29 fps, Avg. Travel Time= 5.8 min Peak Storage= 72 cf @ 0.13 hrs Average Depth at Peak Storage= 0.49' , Surface Width= 2.94' 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= 377.26', Outlet Invert= 376.68' Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Reach 6R: 1+00 - 2+00 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow 0 Outflow Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 8R: 2+00 - 3+25 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.15' @ 0.04 hrs Printed 9/6/2022 Inflow Area = 1.330 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 2.66 cfs @ 0.11 hrs, Volume= 0.027 of Outflow = 2.63 cfs @ 0.12 hrs, Volume= 0.027 af, Atten= 1 %, Lag= 0.4 min Routed to Reach 1 OR: 3+25 - 4+50 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 3.07 fps, Min. Travel Time= 0.7 min Avg. Velocity = 0.72 fps, Avg. Travel Time= 2.9 min Peak Storage= 107 cf @ 0.12 hrs Average Depth at Peak Storage= 0.53' , Surface Width= 3.21' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 13.96 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= 125.0' Slope= 0.0327 7' Inlet Invert= 376.75', Outlet Invert= 372.66' Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Reach 8R: 2+00 - 3+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) Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 1 OR: 3+25 - 4+50 [61] Hint: Exceeded Reach 8R outlet invert by 0.47' @ 0.12 hrs Printed 9/6/2022 Inflow Area = 1.470 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 2.92 cfs @ 0.12 hrs, Volume= 0.030 of Outflow = 2.89 cfs @ 0.12 hrs, Volume= 0.030 af, Atten= 1 %, Lag= 0.3 min Routed to Reach 19R : 4+50 - 5+10 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 4.31 fps, Min. Travel Time= 0.5 min Avg. Velocity = 1.05 fps, Avg. Travel Time= 2.0 min Peak Storage= 85 cf @ 0.12 hrs Average Depth at Peak Storage= 0.47' , Surface Width= 2.84' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 21.29 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 127.0' Slope= 0.0761 T Inlet Invert= 372.66', Outlet Invert= 363.00' Ditch1_POA#5 Prepared by HP Inc. 1 Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Reach 1 OR: 3+25 - 4+50 Hydrograph i. (�I ' , , . ... 1 11 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (homs) ■ Inflow ❑ Outflow Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 17R: 5+10 - 5+90 [62] Hint: Exceeded Reach 19R OUTLET depth by 0.03' @ 0.01 hrs Printed 9/6/2022 Inflow Area = 1.660 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 3.25 cfs @ 0.12 hrs, Volume= 0.033 of Outflow = 3.24 cfs @ 0.12 hrs, Volume= 0.033 af, Atten= 0%, Lag= 0.1 min Routed to Reach 18R : 6+00 - Outfall Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 15.30 fps, Min. Travel Time= 0.1 min Avg. Velocity = 4.80 fps, Avg. Travel Time= 0.3 min Peak Storage= 17 cf @ 0.12 hrs Average Depth at Peak Storage= 0.33' , Surface Width= 1.30' Bank -Full Depth= 1.00' Flow Area= 2.0 sf, Capacity= 64.67 cfs 0.00' x 1.00' deep channel, n= 0.015 Side Slope Z-value= 2.0 '/' Top Width= 4.00' Length= 80.0' Slope= 0.3115 T Inlet Invert= 360.22', Outlet Invert= 335.30' Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Printed 9/6/2022 Reach 17R: 5+10 - 5+90 Hydrograph 1111 111111�,1��1� .1•. r it I! ///////////////////////////////////////////////////////////////////////////////////// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Time (hours) ■ Inflow o Outflow Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Summary for Reach 18R: 6+00 - Outfall [62] Hint: Exceeded Reach 17R OUTLET depth by 0.09' @ 0.13 hrs Inflow Area = 1.660 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 3.24 cfs @ 0.12 hrs, Volume= 0.033 of Outflow = 3.24 cfs @ 0.13 hrs, Volume= 0.033 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= 6.28 fps, Min. Travel Time= 0.2 min Avg. Velocity = 1.60 fps, Avg. Travel Time= 0.8 min Peak Storage= 38 cf @ 0.13 hrs Average Depth at Peak Storage= 0.41' , Surface Width= 2.49' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 33.90 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 73.0' Slope= 0.1929 '/' Inlet Invert= 335.30'. Outlet Invert= 321.22' Reach 18R: 6+00 - Outfall Hydrograph ❑ InFlow ❑ Outflow Time (hours) Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 19R: 4+50 - 5+10 [62] Hint: Exceeded Reach 1 OR OUTLET depth by 0.05' @ 0.15 hrs Printed 9/6/2022 Inflow Area = 1.470 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 2.89 cfs @ 0.12 hrs, Volume= 0.030 of Outflow = 2.88 cfs @ 0.13 hrs, Volume= 0.030 af, Atten= 0%, Lag= 0.2 min Routed to Reach 17R : 5+10 - 5+90 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 3.57 fps, Min. Travel Time= 0.3 min Avg. Velocity = 0.82 fps, Avg. Travel Time= 1.2 min Peak Storage= 48 cf @ 0.13 hrs Average Depth at Peak Storage= 0.52' , Surface Width= 3.11' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 16.61 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 2.0 4.0'/' Top Width= 6.00' Length= 60.0' Slope= 0.0463 7' Inlet Invert= 363.00', Outlet Invert= 360.22' Ditch1_POA#5 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Reach 19R: 4+50 - 5+10 Hydrograph III (/I ... . . ---------------- l234 786101............. 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 29 21 22 23 24 Time (hours) ■ Inflow ❑ Outflow