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HomeMy WebLinkAboutWPO202200038 Calculations 2022-09-14 (23)1S 5S 7S 9S O O O 0+00 - �+00 1+00 - �+00 2+00 -I3+00 3+00 -1400 F6R] -i [8R] -�> [10R] -� 17R 0+00 - 1+26 1+26 - 2+00 2+00 - 3+00 3+00 - 4+00 4+00 - 4+28 Subcat Reach On Link Routing Diagram for UD_POA#2 Prepared by HP Inc., Printed 9/6/2022 FHydroCADO 10.10-7C s/n 08126 0 2022 HydroCAD Software Solutions LLC UD_POA#2 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 UD_POA#2 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 9/6/2022 UD_POA#2 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 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 - 1+26 Avg. Flow Depth=0.16' Max Vet=2.90 fps Inflow=0.24 cfs 0.002 of n=0.035 L=126.0' S=0.1400'/' Capacity=28.88 cfs Outflow=0.24 cfs 0.002 of Reach 6R: 1+26 - 2+00 Avg. Flow Depth=0.22' Max Vet=3.06 fps Inflow=0.44 cfs 0.004 of n=0.035 L=74.0' S=0.1068'/' Capacity=25.22 cfs Outflow=0.44 cfs 0.004 of Reach 8R: 2+00 - 3+00 Avg. Flow Depth=0.26' Max Vet=3.40 fps Inflow=0.68 cfs 0.007 of n=0.035 L=100.0' S=0.1067'/' Capacity=25.21 cfs Outflow=0.68 cfs 0.007 of Reach 1 OR: 3+00 - 4+00 Avg. Flow Depth=0.37' Max Vet=2.30 fps Inflow=0.94 cfs 0.009 of n=0.035 L=83.0' S=0.0302'/' Capacity=13.42 cfs Outflow=0.94 cfs 0.009 of Reach 17R: 4+00 - 4+28 Avg. Flow Depth=0.41' Max Vet=1.77 fps Inflow=0.94 cfs 0.009 of n=0.035 L=127.0' S=0.0155'/' Capacity=9.61 cfs Outflow=0.90 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 UD_POA#2 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 = 0.24 cfs @ 0.09 hrs, Volume= 0.002 af, Depth= 0.18" Routed to Reach 4R : 0+00 - 1+26 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 UD_POA#2 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 = 0.21 cfs @ 0.09 hrs, Volume= 0.002 af, Depth= 0.18" Routed to Reach 6R : 1+26 - 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 0.130 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... jMEN •_••_ , -- • • 1 1 1 1 . 1, .111....EM1MMM •----- M1E1MM MMMMME----- ......... .........IMMMEN ..... ENIMEN . . MMMMM EM1M I•--..IIEMMM ......EM1M .----EMM1M -- --- -- �■------------ - --- -- MMMMM EM1M IM - ------- 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 UD_POA#2 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 UD_POA#2 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 = 0.27 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.18" Routed to Reach 1OR: 3+00 - 4+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) UD_POA#2 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+26 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= 1 %, Lag= 1.2 min Routed to Reach 6R : 1+26 - 2+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.90 fps, Min. Travel Time= 0.7 min Avg. Velocity = 1.45 fps, Avg. Travel Time= 1.4 min Peak Storage= 10 cf @ 0.11 hrs Average Depth at Peak Storage= 0.16' , Surface Width= 0.99' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 28.88 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 6.00' Length= 126.0' Slope= 0.1400'/' Inlet Invert= 367.59', Outlet Invert= 349.95' 9 9 9 0 0 0 M 9 9 9 9 Reach 4R: 0+00 -1+26 Hydrograph ■■■■■■■■■■■■ SEEN■■■■® i■■■■■■■■■■ Mr, PE . • • .-■■■■■■■■■■■MEMNON ■■■■■■■■■■■■■■ 1 1 1 ,.I/ II III ■■■■■■■■■■■■■■■ ,S 1111s ■■■■■■■■■■■■ ■■■■■NEE■■E■ NOON■■ ■■NONE ------ 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 UD_POA#2 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 6R: 1+26 - 2+00 [61] Hint: Exceeded Reach 4R outlet invert by 0.14' @ 0.11 hrs Printed 9/6/2022 Inflow Area = 0.280 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.44 cfs @ 0.11 hrs, Volume= 0.004 of Outflow = 0.44 cfs @ 0.11 hrs, Volume= 0.004 af, Atten= 0%, Lag= 0.3 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= 3.06 fps, Min. Travel Time= 0.4 min Avg. Velocity = 1.36 fps, Avg. Travel Time= 0.9 min Peak Storage= 11 cf @ 0.11 hrs Average Depth at Peak Storage= 0.22' , Surface Width= 1.32' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 25.22 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 6.00' Length= 74.0' Slope= 0.1068 '/' Inlet Invert= 349.87', Outlet Invert= 341.97' U D_POA#2 Prepared by HP Inc. 0.4 0. 0. 0.4 0. 0.3 0. 0. 0.3 0. 0.2 0.2 3 0.2 LL 0.2 0. 0.1 0.1 0.1 0.1 0. 0.0 0. 0. 0.0 Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Printed 9/6/2022 Reach 6R: 1+26 - 2+00 Hydrograph • MEN==� ��mmmmmmmmmmmm 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) ■ Inflow ■ Oulfiow UD_POA#2 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 8R: 2+00 - 3+00 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.04' @ 0.13 hrs Printed 9/6/2022 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 = 0.68 cfs @ 0.11 hrs, Volume= 0.007 af, Atten= 1 %, Lag= 0.4 min Routed to Reach 1 OR: 3+00 - 4+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 3.40 fps, Min. Travel Time= 0.5 min Avg. Velocity = 1.38 fps, Avg. Travel Time= 1.2 min Peak Storage= 20 cf @ 0.11 hrs Average Depth at Peak Storage= 0.26' , Surface Width= 1.54' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 25.21 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= 0.1067 7' Inlet Invert= 341.97', Outlet Invert= 331.30' UD_POA#2 Prepared by HP Inc. 0.7 0.6 0. 0.5 0. 0.4 0. e 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 9/6/2022 Reach 8R: 2+00 - 3+00 Hydrograph �No .■■■■■■■■■ ■■■■■■■■■ j ■■■■■■■■■■■ ■Ll�r ils • III■■■■■■■■■■■■■■■ I��..::::■:::NN , ..:,. ■■■■.■■■■■■■. ■■■■■■■.■■■■■ ■■■■■■■■■■■■■ ■■■■■■■MEN o �..,.. .2�. 84' 587��. 8..9�. 1,8 11�.1�2 13. 14 15 .16 17.��18�. 19�. 20 21 22 23 24 Time (hours) ■ Inflow ■ OuUlow UD_POA#2 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 1 OR: 3+00 - 4+00 [62] Hint: Exceeded Reach 8R OUTLET depth by 0.78' @ 0.13 hrs Printed 9/6/2022 Inflow Area = 0.600 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.94 cfs @ 0.11 hrs, Volume= 0.009 of Outflow = 0.94 cfs @ 0.12 hrs, Volume= 0.009 af, Atten= 1 %, Lag= 0.4 min Routed to Reach 17R : 4+00 - 4+28 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.30 fps, Min. Travel Time= 0.6 min Avg. Velocity = 0.77 fps, Avg. Travel Time= 1.8 min Peak Storage= 34 cf @ 0.12 hrs Average Depth at Peak Storage= 0.37' , Surface Width= 2.21' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 13.42 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= 83.0' Slope= 0.0302 T Inlet Invert= 331.97', Outlet Invert= 329.46' UD_POA#2 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Reach 10R: 3+00 - 4+00 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ❑ Outflow UD_POA#2 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 in/hr Summary for Reach 17R: 4+00 - 4+28 [62] Hint: Exceeded Reach 1 OR OUTLET depth by 0.09' @ 0.22 hrs Printed 9/6/2022 Inflow Area = 0.600 ac, 0.00% Impervious, Inflow Depth = 0.18" for 2-yr event Inflow = 0.94 cfs @ 0.12 hrs, Volume= 0.009 of Outflow = 0.90 cfs @ 0.13 hrs, Volume= 0.009 af, Atten= 4%, Lag= 0.9 min Routed to nonexistent node 18R Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.77 fps, Min. Travel Time= 1.2 min Avg. Velocity = 0.50 fps, Avg. Travel Time= 4.3 min Peak Storage= 64 cf @ 0.13 hrs Average Depth at Peak Storage= 0.41' , Surface Width= 2.46' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 9.61 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= 127.0' Slope= 0.0155 7' Inlet Invert= 329.46', Outlet Invert= 327.49' UD_POA#2 Prepared by HP Inc. Albemarle Rainfall 2-yr Duration=7 min, Inten=4.50 Whir Reach 17R: 4+00 - 4+28 Hydrograph Printed 9/6/2022 • • � a r I 1 1 I r 1 %� �/I II 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 UD_POA#2 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 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 - 1+26 Avg. Flow Depth=0.18' Max Vet=3.11 fps Inflow=0.31 cfs 0.003 of n=0.035 L=126.0' S=0.1400'/' Capacity=28.88 cfs Outflow=0.31 cfs 0.003 of Reach 6R: 1+26 - 2+00 Avg. Flow Depth=0.24' Max Vet=3.28 fps Inflow=0.59 cfs 0.006 of n=0.035 L=74.0' S=0.1068'/' Capacity=25.22 cfs Outflow=0.58 cfs 0.006 of Reach 8R: 2+00 - 3+00 Avg. Flow Depth=0.29' Max Vet=3.65 fps Inflow=0.90 cfs 0.009 of n=0.035 L=100.0' S=0.1067'/' Capacity=25.21 cfs Outflow=0.90 cfs 0.009 of Reach 1 OR: 3+00 - 4+00 Avg. Flow Depth=0.41' Max Vet=2.47 fps Inflow=1.25 cfs 0.012 of n=0.035 L=83.0' S=0.0302'/' Capacity=13.42 cfs Outflow=1.24 cfs 0.012 of Reach 17R: 4+00 - 4+28 Avg. Flow Depth=0.46' Max Vet=1.90 fps Inflow=1.24 cfs 0.012 of n=0.035 L=127.0' S=0.0155'/' Capacity=9.61 cfs Outflow=1.20 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 UD_POA#2 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 = 0.31 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.24" Routed to Reach 4R : 0+00 - 1+26 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 UD_POA#2 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 = 0.27 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.24" Routed to Reach 6R : 1+26 - 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 0.130 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) UD_POA#2 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 UD_POA#2 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 = 0.36 cfs @ 0.09 hrs, Volume= 0.003 af, Depth= 0.24" Routed to Reach 1 OR: 3+00 - 4+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 UD_POA#2 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+26 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 = 0.31 cfs @ 0.11 hrs, Volume= 0.003 af, Atten= 0%, Lag= 1.2 min Routed to Reach 6R : 1+26 - 2+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 3.11 fps, Min. Travel Time= 0.7 min Avg. Velocity = 1.54 fps, Avg. Travel Time= 1.4 min Peak Storage= 13 cf @ 0.11 hrs Average Depth at Peak Storage= 0.18' , Surface Width= 1.10' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 28.88 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 6.00' Length= 126.0' Slope= 0.1400'/' Inlet Invert= 367.59', Outlet Invert= 349.95' Reach 4R: 0+00 -1+26 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) UD_POA#2 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 6R: 1+26 - 2+00 [61] Hint: Exceeded Reach 4R outlet invert by 0.16' @ 0.11 hrs Printed 9/6/2022 Inflow Area = 0.280 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 0.59 cfs @ 0.11 hrs, Volume= 0.006 of Outflow = 0.58 cfs @ 0.11 hrs, Volume= 0.006 af, Atten= 0%, Lag= 0.2 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= 3.28 fps, Min. Travel Time= 0.4 min Avg. Velocity = 1.44 fps, Avg. Travel Time= 0.9 min Peak Storage= 13 cf @ 0.11 hrs Average Depth at Peak Storage= 0.24' , Surface Width= 1.46' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 25.22 cfs 0.00' x 1.00' deep channel, n= 0.035 Side Slope Z-value= 4.0 2.0'/' Top Width= 6.00' Length= 74.0' Slope= 0.1068 '/' Inlet Invert= 349.87', Outlet Invert= 341.97' UD_POA#2 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Printed 9/6/2022 Reach 6R: 1+26 - 2+00 Hydrograph ® • ♦ .. � i 0 .. - . , NOON■■■ ■■■�_ • �� II NOON■■■ .. NONE■■■ ■■■■■■■ I� III ■■■■■■■■■■■■■■■■- ;,'-1 , ,.: ■■■■■■■■■■■■■ ■■■■■■■■■■■■■ 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) ■ InMov ■ Outlim UD_POA#2 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 8R: 2+00 - 3+00 [62] Hint: Exceeded Reach 6R OUTLET depth by 0.04' @ 0.13 hrs Printed 9/6/2022 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 = 0.90 cfs @ 0.11 hrs, Volume= 0.009 af, Atten= 0%, Lag= 0.3 min Routed to Reach 1 OR: 3+00 - 4+00 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 3.65 fps, Min. Travel Time= 0.5 min Avg. Velocity = 1.44 fps, Avg. Travel Time= 1.2 min Peak Storage= 25 cf @ 0.11 hrs Average Depth at Peak Storage= 0.29' , Surface Width= 1.72' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 25.21 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= 0.1067 7' Inlet Invert= 341.97', Outlet Invert= 331.30' UD_POA#2 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 UD_POA#2 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 1 OR: 3+00 - 4+00 [62] Hint: Exceeded Reach 8R OUTLET depth by 0.79' @ 0.12 hrs Printed 9/6/2022 Inflow Area = 0.600 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.25 cfs @ 0.11 hrs, Volume= 0.012 of Outflow = 1.24 cfs @ 0.12 hrs, Volume= 0.012 af, Atten= 1 %, Lag= 0.4 min Routed to Reach 17R : 4+00 - 4+28 Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 2.47 fps, Min. Travel Time= 0.6 min Avg. Velocity = 0.81 fps, Avg. Travel Time= 1.7 min Peak Storage= 42 cf @ 0.12 hrs Average Depth at Peak Storage= 0.41' , Surface Width= 2.46' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 13.42 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= 83.0' Slope= 0.0302 T Inlet Invert= 331.97', Outlet Invert= 329.46' UD_POA#2 Prepared by HP Inc. r r Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Printed 9/6/2022 Reach 10R: 3+00 - 4+00 Hydrograph I�I Time (houm) ■ Inflow ❑ Outflow UD_POA#2 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 in/hr Summary for Reach 17R: 4+00 - 4+28 [62] Hint: Exceeded Reach 1 OR OUTLET depth by 0.10' @ 0.22 hrs Printed 9/6/2022 Inflow Area = 0.600 ac, 0.00% Impervious, Inflow Depth = 0.24" for 10-yr event Inflow = 1.24 cfs @ 0.12 hrs, Volume= 0.012 of Outflow = 1.20 cfs @ 0.13 hrs, Volume= 0.012 af, Atten= 4%, Lag= 0.8 min Routed to nonexistent node 18R Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Max. Velocity= 1.90 fps, Min. Travel Time= 1.1 min Avg. Velocity = 0.52 fps, Avg. Travel Time= 4.1 min Peak Storage= 80 cf @ 0.13 hrs Average Depth at Peak Storage= 0.46' , Surface Width= 2.75' Bank -Full Depth= 1.00' Flow Area= 3.0 sf, Capacity= 9.61 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= 127.0' Slope= 0.0155 7' Inlet Invert= 329.46', Outlet Invert= 327.49' UD_POA#2 Prepared by HP Inc. Albemarle Rainfall 10-yr Duration=7 min, Inten=5.94 Whir Reach 17R: 4+00 - 4+28 Hydrograph Time (hours) Printed 9/6/2022 ■ Inflow ■ Outflow