Loading...
4899A-HydroCAD Nodes1P-3PType II 24-hr 100-YEAR Rainfall=6.09"4899-HydroCAD SUB6 Prepared by ABD Engineers, LLP HydroCAD® 10.00-18 s/n 00936 © 2016 HydroCAD Software Solutions LLC Summary for Pond 1P: PRETREATMENT 1 Inflow Area = 796,364 sf, 73.82% Impervious, Inflow Depth = 4.12" for 100-YEAR event Inflow = 124.54 cfs @ 11.97 hrs, Volume= 273,592 cf Outflow = 106.77 cfs @ 12.01 hrs, Volume= 214,148 cf, Atten= 14%, Lag= 2.9 min Primary = 106.77 cfs @ 12.01 hrs, Volume= 214,148 cf Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 362.51' @ 12.01 hrs Surf.Area= 39,723 sf Storage= 88,672 cf Plug-Flow detention time= 139.1 min calculated for 214,148 cf (78% of inflow) Center-of-Mass det. time= 53.4 min ( 854.1 - 800.7 ) Volume Invert Avail.Storage Storage Description #1 360.00' 151,656 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 360.00 31,195 0 0 361.00 34,335 32,765 32,765 361.75 36,810 26,679 59,444 362.00 37,925 9,342 68,786 364.00 44,945 82,870 151,656 Device Routing Invert Outlet Devices #1 Primary 361.75'60.0' long x 12.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64 Primary OutFlow Max=103.70 cfs @ 12.01 hrs HW=362.50' (Free Discharge) 1=Broad-Crested Rectangular Weir (Weir Controls 103.70 cfs @ 2.31 fps) Type II 24-hr 100-YEAR Rainfall=6.09"4899-HydroCAD SUB6 Prepared by ABD Engineers, LLP HydroCAD® 10.00-18 s/n 00936 © 2016 HydroCAD Software Solutions LLC Summary for Pond 2P: INFILTRATION BASIN 1 [79] Warning: Submerged Pond 1P Primary device # 1 by 0.10' Inflow Area = 901,039 sf, 67.25% Impervious, Inflow Depth = 2.99" for 100-YEAR event Inflow = 110.62 cfs @ 12.01 hrs, Volume= 224,795 cf Outflow = 5.27 cfs @ 13.61 hrs, Volume= 224,795 cf, Atten= 95%, Lag= 95.7 min Discarded = 5.27 cfs @ 13.61 hrs, Volume= 224,795 cf Primary = 0.00 cfs @ 0.00 hrs, Volume= 0 cf Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 361.85' @ 13.61 hrs Surf.Area= 45,520 sf Storage= 109,755 cf Plug-Flow detention time= 220.4 min calculated for 224,561 cf (100% of inflow) Center-of-Mass det. time= 220.2 min ( 1,074.3 - 854.1 ) Volume Invert Avail.Storage Storage Description #1 359.25' 213,671 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 359.25 38,845 0 0 360.00 40,730 29,841 29,841 362.00 45,900 86,630 116,471 364.00 51,300 97,200 213,671 Device Routing Invert Outlet Devices #1 Discarded 359.25'5.000 in/hr Exfiltration over Surface area Phase-In= 0.01' #2 Primary 362.10'20.0' long x 6.0' breadth Emergency Spillway Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.37 2.51 2.70 2.68 2.68 2.67 2.65 2.65 2.65 2.65 2.66 2.66 2.67 2.69 2.72 2.76 2.83 Discarded OutFlow Max=5.27 cfs @ 13.61 hrs HW=361.85' (Free Discharge) 1=Exfiltration (Exfiltration Controls 5.27 cfs) Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=359.25' (Free Discharge) 2=Emergency Spillway ( Controls 0.00 cfs) Type II 24-hr 100-YEAR Rainfall=6.09"4899-HydroCAD SUB6 Prepared by ABD Engineers, LLP HydroCAD® 10.00-18 s/n 00936 © 2016 HydroCAD Software Solutions LLC Summary for Pond 3P: OVERFLOW BASIN Inflow Area = 918,550 sf, 65.97% Impervious, Inflow Depth = 0.01" for 100-YEAR event Inflow = 0.15 cfs @ 12.02 hrs, Volume= 688 cf Outflow = 0.10 cfs @ 12.10 hrs, Volume= 688 cf, Atten= 37%, Lag= 4.8 min Discarded = 0.10 cfs @ 12.10 hrs, Volume= 688 cf Primary = 0.00 cfs @ 0.00 hrs, Volume= 0 cf Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 360.01' @ 12.10 hrs Surf.Area= 4,493 sf Storage= 33 cf Plug-Flow detention time= 5.8 min calculated for 688 cf (100% of inflow) Center-of-Mass det. time= 5.7 min ( 963.3 - 957.5 ) Volume Invert Avail.Storage Storage Description #1 360.00' 26,259 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 360.00 4,485 0 0 362.00 6,690 11,175 11,175 364.00 8,394 15,084 26,259 Device Routing Invert Outlet Devices #1 Discarded 360.00'5.000 in/hr Exfiltration over Surface area Phase-In= 0.01' #2 Primary 361.00'30.0" x 30.0" Horiz. Grate C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.38 cfs @ 12.10 hrs HW=360.01' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.38 cfs) Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=360.00' (Free Discharge) 2=Grate ( Controls 0.00 cfs)