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HomeMy WebLinkAboutWPO201300035 Calculations 2013-05-13 (3) , 5S.. Pre- Developed APPROVED by the Albemarle County Communty Dev➢elo meet Department Date _ SIT ('b ._ m ri S to S'WM (Subcat (Reach 'on. Linkl Routing Diagram for MV0909storm2 Prepared by{enter your company name here}, Printed 7/5/2013 HydroCAD®10.00 s/n 07657 ©2012 HydroCAD Software Solutions LLC MV0909storm2 Albemarle County VA 2-Year Duration=16.2 min, Inten=3.28 in/hr Prepared by {enter your company name here} Printed 7/5/2013 HydroCAD® 10.00 s/n 07657 ©2012 HydroCAD Software Solutions LLC Page 2 Summary for Subcatchment 5S: Pre-Developed SWM Runoff = 2.58 cfs @ 0.27 hrs, Volume= 0.058 af, Depth= 0.53" Runoff by Rational method, Rise/Fall=1.0/1.0 xTc, Time Span= 0.00-3.00 hrs, dt= 0.01 hrs Albemarle County VA 2-Year Duration=16.2 min, Inten=3.28 in/hr Area (ac) C Description 1.300 0.60 1.300 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 16.2 Direct Entry, User Input Subcatchment 5S: Pre-Developed SWM Hydrograph 2.58 cfs Runoff` Albemarle County VA 2-Year Duration=16.2 min, / Inten=3.28 in/hr 2 Runoff Area=1.300 ac Runoff Volume=0.058 af Runoff Depth=0.53" ° Tc=16.2 min LL C=0.60 4 //I// 1 2 3 Time (hours) MV0909storm2 Albemarle County VA 2-Year Duration=16.2 min, Inten=3.28 in/hr Prepared by{enter your company name here} Printed 7/5/2013 HydroCAD® 10.00 s/n 07657 ©2012 HydroCAD Software Solutions LLC Page 3 Hydrograph for Subcatchment 5S: Pre-Developed SWM Time Runoff Time Runoff Time Runoff (hours) (cfs) (hours) (cfs) (hours) (cfs) 0.00 0.00 1.06 0.00 2.12 0.00 0.02 0.19 1.08 0.00 2.14 0.00 0.04 0.38 1.10 0.00 2.16 0.00 0.06 0.57 1.12 0.00 2.18 0.00 0.08 0.76 1.14 0.00 2.20 0.00 0.10 0.96 1.16 0.00 2.22 0.00 0.12 1.15 1.18 0.00 2.24 0.00 0.14 1.34 1.20 0.00 2.26 0.00 0.16 1.53 1.22 0.00 2.28 0.00 0.18 1.72 1.24 0.00 2.30 0.00 0.20 1.91 1.26 0.00 2.32 0.00 0.22 2.10 1.28 0.00 2.34 0.00 0.24 2.29 1.30 0.00 2.36 0.00 0.26 2.48 1.32 0.00 2.38 0.00 0.28 2.48 1.34 0.00 2.40 0.00 0.30 2.29 1.36 0.00 2.42 0.00 0.32 2.10 1.38 0.00 2.44 0.00 0.34 1.91 1.40 0.00 2.46 0.00 0.36 1.72 1.42 0.00 2.48 0.00 0.38 1.53 1.44 0.00 2.50 0.00 0.40 1.34 1.46 0.00 2.52 0.00 0.42 1.15 1.48 0.00 2.54 0.00 0.44 0.96 1.50 0.00 2.56 0.00 0.46 0.76 1.52 0.00 2.58 0.00 0.48 0.57 1.54 0.00 2.60 0.00 0.50 0.38 1.56 0.00 2.62 0.00 0.52 0.19 1.58 0.00 2.64 0.00 0.54 0.00 1.60 0.00 2.66 0.00 0.56 0.00 1.62 0.00 2.68 0.00 0.58 0.00 1.64 0.00 2.70 0.00 0.60 0.00 1.66 0.00 2.72 0.00 0.62 0.00 1.68 0.00 2.74 0.00 0.64 0.00 1.70 0.00 2.76 0.00 0.66 0.00 1.72 0.00 2.78 0.00 0.68 0.00 1.74 0.00 2.80 0.00 0.70 0.00 1.76 0.00 2.82 0.00 0.72 0.00 1.78 0.00 2.84 0.00 0.74 0.00 1.80 0.00 2.86 0.00 0.76 0.00 1.82 0.00 2.88 0.00 0.78 0.00 1.84 0.00 2.90 0.00 0.80 0.00 1.86 0.00 2.92 0.00 0.82 0.00 1.88 0.00 2.94 0.00 0.84 0.00 1.90 0.00 2.96 0.00 0.86 0.00 1.92 0.00 2.98 0.00 0.88 0.00 1.94 0.00 3.00 0.00 0.90 0.00 1.96 0.00 0.92 0.00 1.98 0.00 0.94 0.00 2.00 0.00 0.96 0.00 2.02 0.00 0.98 0.00 2.04 0.00 1.00 0.00 2.06 0.00 1.02 0.00 2.08 0.00 1.04 0.00 2.10 0.00 S W M • APPROVED by the Albemarle County Communit ,ev.lopment Department Date Z _ s ---- File . • 4 s W A Subcat (Reach 'on• Link Routing Diagram for MV0909storm2 I J Prepared by{enter your company name here}, Printed 7/19/2013 HydroCAD®10.00 s/n 07657 ©2012 HydroCAD Software Solutions LLC MV0909storm2 Prepared by{enter your company name here} Printed 7/19/2013 HydroCAD® 10.00 s/n 07657 ©2012 HydroCAD Software Solutions LLC Page 2 Pipe Listing (selected nodes) Line# Node In-Invert Out-Invert Length Slope n Diam/Width Height Inside-Fill Number (feet) (feet) (feet) (ft/ft) (inches) (inches) (inches) 1 7P 484.60 484.11 12.0 0.0408 0.011 12.0 0.0 0.0 MV0909storm2 Albemarle County VA 2-Year Duration=16.7 min, Inten=3.23 in/hr Prepared by{enter your company name here} Printed 7/19/2013 HydroCAD®10.00 s/n 07657 ©2012 HydroCAD Software Solutions LLC Page 3 Summary for Pond 7P: SWM Inflow Area = 1.510 ac, 0.00% Impervious, Inflow Depth = 0.56" for 2-Year event Inflow = 3.07 cfs @ 0.28 hrs, Volume= 0.071 af Outflow = 2.39 cfs @ 0.34 hrs, Volume= 0.071 af, Atten=22%, Lag=3.7 min Primary = 2.39 cfs @ 0.34 hrs, Volume= 0.071 af Routing by Stor-Ind method, Time Span= 0.00-3.00 hrs, dt= 0.01 hrs Peak Elev=489.53' @ 0.34 hrs Surf.Area= 325 sf Storage= 249 cf Plug-Flow detention time= 0.9 min calculated for 0.071 af(100% of inflow) Center-of-Mass det. time= 0.9 min ( 17.6 - 16.7 ) Volume Invert Avail.Storage Storage Description #1 488.50' 580 cf 36.0" D x 82.0'L RCP_Round 36" S=0.0049 '/' #2 488.50' 247 cf 36.0" D x 35.0'L RCP_Round 36" S=0.0114'/' #3 484.60' 120 cf 4.00'D x 9.54'H Vertical Cone/Cylinder 947 cf Total Available Storage Device Routing Invert Outlet Devices #1 Primary 484.60' 12.0" Round RCP_Round 12" L= 12.0' RCP, square edge headwall, Ke= 0.500 Inlet/Outlet Invert=484.60'/484.11' S= 0.0408 '/' Cc= 0.900 n= 0.011 Concrete pipe, straight&clean, Flow Area= 0.79 sf #2 Device 1 484.60' 6.5"Vert. Orifice/Grate C= 0.600 Primary OutFlow Max=2.39 cfs @ 0.34 hrs HW=489.53' (Free Discharge) t1RCP_Round 12" (Passes 2.39 cfs of 7.96 cfs potential flow) 2=Orifice/Grate (Orifice Controls 2.39 cfs @ 10.39 fps) MV0909storm2 Albemarle County VA 2-Year Duration=16.7 min, Inten=3.23 in/hr Prepared by {enter your company name here} Printed 7/19/2013 HydroCAD® 10.00 s/n 07657 ©2012 HydroCAD Software Solutions LLC Page 4 Pond 7P: SWM tiydrograph Inflow I 3.07 cfs Primary Inflow Area=1 .510 ac 3 Peak Elev=489.53' _2 39"ifs Storage=249 cf 2 `1 3 �! LL /. ✓ r, 1 0 //////,!''. . ., . !/ i f,.'i/ //2/..<1,/;,/,/ //,/ 0 1 2 Time (hours) Pond 7P: SWM Stage-Discharge 494 ` Primary) 493-- 492 491 490 0 i 489 488 487 486 485 -RCP Round 12"+Orifice/Grate / 0 1 2 3 Discharge (cfs) MV0909storm2 Albemarle County VA 2-Year Duration=16.7 min, Inten=3.23 in/hr Prepared by {enter your company name here} Printed 7/19/2013 HydroCAD® 10.00 s/n 07657 ©2012 HydroCAD Software Solutions LLC Page 5 Pond 7P: SWM stage-Area-Storage 494 Storage 493— 492- 491 m 490 C O m 489 .;�. ,L RCP_Round 36'+RCP_Round 36" w 488 �1 487 486 485 Vertical Cone/Cylinder / 0 100 200 300 400 500 600 700 800 900 Storage(cubic-teet) MV0909storm2 Albemarle County VA 2-Year Duration=16.7 min, Inten=3.23 in/hr Prepared by{enter your company name here} Printed 7/19/2013 HydroCAD®10.00 s/n 07657 ©2012 HydroCAD Software Solutions LLC Page 6 Hydrograph for Pond 7P: SWM Time Inflow Storage Elevation Primary (hours) (cfs) (cubic-feet) (feet) (cfs) 0.00 0.00 0 484.60 0.00 0.10 1.11 15 485.76 1.05 0.20 2.22 48 488.42 2.09 0.30 2.84 215 489.42 2.37 0.40 1.74 182 489.31 2.34 0.50 0.63 8 485.24 0.67 0.60 0.00 0 484.60 0.00 0.70 0.00 0 484.60 0.00 0.80 0.00 0 484.60 0.00 0.90 0.00 0 484.60 0.00 1.00 0.00 0 484.60 0.00 1.10 0.00 0 484.60 0.00 1.20 0.00 0 484.60 0.00 1.30 0.00 0 484.60 0.00 1.40 0.00 0 484.60 0.00 1.50 0.00 0 484.60 0.00 1.60 0.00 0 484.60 0.00 1.70 0.00 0 484.60 0.00 1.80 0.00 0 484.60 0.00 1.90 0.00 0 484.60 0.00 2.00 0.00 0 484.60 0.00 2.10 0.00 0 484.60 0.00 2.20 0.00 0 484.60 0.00 2.30 0.00 0 484.60 0.00 2.40 0.00 0 484.60 0.00 2.50 0.00 0 484.60 0.00 2.60 0.00 0 484.60 0.00 2.70 0.00 0 484.60 0.00 2.80 0.00 0 484.60 0.00 2.90 0.00 0 484.60 0.00 3.00 0.00 0 484.60 0.00 MV0909storm2 Albemarle County VA 2-Year Duration=16.7 min, Inten=3.23 in/hr Prepared by{enter your company name here} Printed 7/19/2013 HydroCAD® 10.00 s/n 07657 ©2012 HydroCAD Software Solutions LLC Page 7 Stage-Discharge for Pond 7P: SWM Elevation Primary Elevation Primary (feet) (cfs) (feet) (cfs) 484.60 0.00 489.90 2.49 484.70 0.03 490.00 2.51 484.80 0.12 490.10 2.54 484.90 0.24 490.20 2.56 485.00 0.39 490.30 2.59 485.10 0.54 490.40 2.61 485.20 0.64 490.50 2.63 485.30 0.73 490.60 2.66 485.40 0.81 490.70 2.68 485.50 0.88 490.80 2.70 485.60 0.95 490.90 2.72 485.70 1.01 491.00 2.75 485.80 1.07 491.10 2.77 485.90 1.13 491.20 2.79 486.00 1.18 491.30 2.81 486.10 1.23 491.40 2.84 486.20 1.28 491.50 2.86 486.30 1.33 491.60 2.88 486.40 1.37 491.70 2.90 486.50 1.42 491.80 2.92 486.60 1.46 491.90 2.94 486.70 1.50 492.00 2.96 486.80 1.54 492.10 2.98 486.90 1.58 492.20 3.00 487.00 1.62 492.30 3.02 487.10 1.66 492.40 3.04 487.20 1.69 492.50 3.06 487.30 1.73 492.60 3.08 487.40 1.76 492.70 3.10 487.50 1.80 492.80 3.12 487.60 1.83 492.90 3.14 487.70 1.87 493.00 3.16 487.80 1.90 493.10 3.18 487.90 1.93 493.20 3.20 488.00 1.96 493.30 3.22 488.10 1.99 493.40 3.24 488.20 2.02 493.50 3.26 488.30 2.05 493.60 3.28 488.40 2.08 493.70 3.30 488.50 2.11 493.80 3.32 488.60 2.14 493.90 3.33 488.70 2.17 494.00 3.35 488.80 2.20 494.10 3.37 488.90 2.23 489.00 2.25 489.10 2.28 489.20 2.31 489.30 2.34 489.40 2.36 489.50 2.39 489.60 2.41 489.70 2.44 489.80 2.46 MV0909storm2 Albemarle County VA 2-Year Duration=16.7 min, Inten=3.23 in/hr Prepared by{enter your company name here} Printed 7/19/2013 HydroCAD® 10.00 s/n 07657 ©2012 HydroCAD Software Solutions LLC Pale 8 Stage-Area-Storage for Pond 7P: SWM Elevation Storage Elevation Storage (feet) (cubic-feet) (feet) (cubic-feet) 484.60 0 489.90 376 484.70 1 490.00 411 484.80 3 490.10 447 484.90 4 490.20 484 485.00 5 490.30 520 485.10 6 490.40 556 485.20 8 490.50 592 485.30 9 490.60 627 485.40 10 490.70 662 485.50 11 490.80 695 485.60 13 490.90 728 485.70 14 491.00 760 485.80 15 491.10 790 485.90 16 491.20 818 486.00 18 491.30 844 486.10 19 491.40 867 486.20 20 491.50 887 486.30 21 491.60 902 486.40 23 491.70 911 486.50 24 491.80 917 486.60 25 491.90 919 486.70 26 492.00 920 486.80 28 492.10 921 486.90 29 492.20 923 487.00 30 492.30 924 487.10 31 492.40 925 487.20 33 492.50 926 487.30 34 492.60 928 487.40 35 492.70 929 487.50 36 492.80 930 487.60 38 492.90 931 487.70 39 493.00 933 487.80 40 493.10 934 487.90 41 493.20 935 488.00 43 493.30 936 488.10 44 493.40 938 488.20 45 493.50 939 488.30 46 493.60 940 488.40 48 493.70 941 488.50 49 493.80 943 488.60 51 493.90 944 488.70 56 494.00 945 488.80 66 494.10 946 488.90 81 489.00 100 489.10 124 489.20 150 489.30 178 489.40 208 489.50 239 489.60 272 489.70 306 489.80 340