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BTI Existing 2year
EARLBTIEDA-1BTIEDA-2BTIEDA-3BTIEDA-4BTIEDA-5BTIPRINCEBTIDP1DP2DP3DP4DP5TOTALDrainage Diagram for ExistingBTI New StormsPrepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLCSubcatReachPondLinkExistingBTI New StormsPage 2Prepared by Tighe&Bond12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLCArea Listing (all nodes)Area (acres)CNDescription (subcats)2.700 30 Woods, Good, HSG A (EDA-1)9.300 39 >75% Grass cover, Good, HSG A (EDA-1,EDA-3,EDA-4)0.500 55 Woods, Good, HSG B (EDA-1,EDA-2)12.600 61 >75% Grass cover, Good, HSG B (EDA-2,EDA-3,EDA-4,EDA-5)6.800 70 Woods, Good, HSG C (EDA-1,EDA-2)34.800 74 >75% Grass cover, Good, HSG C (EARL,EDA-1,EDA-2,EDA-3,EDA-4,EDA-5,PRINCE)0.600 85 Gravel roads, HSG B (EDA-5)0.200 89 Gravel roads, HSG C (EDA-3)12.300 98 Paved parking & roofs (EARL,EDA-1,EDA-2,EDA-5,PRINCE)7.100 98 Paved roads w/curbs & sewers (EDA-3,EDA-4) 86.900 Type III 24-hr 2 Year Rainfall=2.90"ExistingBTI New StormsPage 3Prepared by Tighe&Bond12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLCTime span=0.00-24.00 hrs, dt=0.03 hrs, 801 pointsRunoff by SCS TR-20 method, UH=SCSReach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind methodRunoff Area=1.000 ac Runoff Depth>1.73"Subcatchment EARL: BTI Tc=6.0 min CN=88 Runoff=2.02 cfs 0.144 afRunoff Area=16.800 ac Runoff Depth>0.53"Subcatchment EDA-1: BTI Flow Length=750' Tc=10.1 min CN=67 Runoff=6.99 cfs 0.748 afRunoff Area=22.600 ac Runoff Depth>0.89"Subcatchment EDA-2: BTI Flow Length=680' Tc=10.4 min CN=75 Runoff=19.04 cfs 1.683 afRunoff Area=22.400 ac Runoff Depth>0.61"Subcatchment EDA-3: BTI Flow Length=1,110' Tc=14.9 min CN=69 Runoff=10.06 cfs 1.146 afRunoff Area=11.000 ac Runoff Depth>0.62"Subcatchment EDA-4: BTI Flow Length=430' Tc=9.0 min CN=69 Runoff=5.89 cfs 0.564 afRunoff Area=11.600 ac Runoff Depth>1.00"Subcatchment EDA-5: BTI Flow Length=780' Tc=10.9 min CN=77 Runoff=11.02 cfs 0.966 afRunoff Area=1.500 ac Runoff Depth>2.35"Subcatchment PRINCE: BTI Tc=6.0 min CN=95 Runoff=3.91 cfs 0.294 af Inflow=6.99 cfs 0.748 afLink DP1: Primary=6.99 cfs 0.748 af Inflow=19.04 cfs 1.683 afLink DP2: Primary=19.04 cfs 1.683 af Inflow=12.01 cfs 1.440 afLink DP3: Primary=12.01 cfs 1.440 af Inflow=5.89 cfs 0.564 afLink DP4: Primary=5.89 cfs 0.564 af Inflow=12.56 cfs 1.110 afLink DP5: Primary=12.56 cfs 1.110 af Inflow=55.73 cfs 5.545 afLink TOTAL: Primary=55.73 cfs 5.545 afTotal Runoff Area = 86.900 ac Runoff Volume = 5.545 af Average Runoff Depth = 0.77"77.68% Pervious Area = 67.500 ac 22.32% Impervious Area = 19.400 acType III 24-hr 2 Year Rainfall=2.90"ExistingBTI New StormsPage 4Prepared by Tighe&Bond12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLCSubcatchment EARL: BTIRunoff = 2.02 cfs @ 12.09 hrs, Volume= 0.144 af, Depth> 1.73"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.03 hrsType III 24-hr 2 Year Rainfall=2.90"Area (ac) CN Description0.600 98 Paved parking & roofs0.400 74 >75% Grass cover, Good, HSG C1.000 88 Weighted Average0.400 Pervious Area0.600 Impervious AreaTc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs)6.0Direct Entry, Subcatchment EDA-1: BTIRunoff = 6.99 cfs @ 12.17 hrs, Volume= 0.748 af, Depth> 0.53"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.03 hrsType III 24-hr 2 Year Rainfall=2.90"Area (ac) CN Description4.500 98 Paved parking & roofs2.700 39 >75% Grass cover, Good, HSG A2.700 30 Woods, Good, HSG A0.400 55 Woods, Good, HSG B5.000 74 >75% Grass cover, Good, HSG C1.500 70 Woods, Good, HSG C16.800 67 Weighted Average12.300 Pervious Area4.500 Impervious AreaTc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs)7.5 50 0.0250 0.11Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"0.7 130 0.0380 3.14Shallow Concentrated Flow, Unpaved Kv= 16.1 fps1.0 380 0.1630 6.50Shallow Concentrated Flow, Unpaved Kv= 16.1 fps0.9 190 0.0500 3.60Shallow Concentrated Flow, Unpaved Kv= 16.1 fps10.1 750 Total Type III 24-hr 2 Year Rainfall=2.90"ExistingBTI New StormsPage 5Prepared by Tighe&Bond12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLCSubcatchment EDA-2: BTIRunoff = 19.04 cfs @ 12.16 hrs, Volume= 1.683 af, Depth> 0.89"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.03 hrsType III 24-hr 2 Year Rainfall=2.90"Area (ac) CN Description2.800 61 >75% Grass cover, Good, HSG B0.100 55 Woods, Good, HSG B3.600 98 Paved parking & roofs10.800 74 >75% Grass cover, Good, HSG C5.300 70 Woods, Good, HSG C22.600 75 Weighted Average19.000 Pervious Area3.600 Impervious AreaTc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs)7.9 50 0.0220 0.11Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"1.4 370 0.0780 4.50Shallow Concentrated Flow, Unpaved Kv= 16.1 fps1.1 260 0.0620 4.01Shallow Concentrated Flow, Unpaved Kv= 16.1 fps10.4 680 TotalSubcatchment EDA-3: BTIRunoff = 10.06 cfs @ 12.24 hrs, Volume= 1.146 af, Depth> 0.61"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.03 hrsType III 24-hr 2 Year Rainfall=2.90"Area (ac) CN Description5.100 98 Paved roads w/curbs & sewers5.200 39 >75% Grass cover, Good, HSG A3.800 61 >75% Grass cover, Good, HSG B8.100 74 >75% Grass cover, Good, HSG C0.200 89 Gravel roads, HSG C22.400 69 Weighted Average17.300 Pervious Area5.100 Impervious AreaType III 24-hr 2 Year Rainfall=2.90"ExistingBTI New StormsPage 6Prepared by Tighe&Bond12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLCTc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs)8.2 50 0.0200 0.10Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"3.0 550 0.0360 3.05Shallow Concentrated Flow, Unpaved Kv= 16.1 fps3.7 510 0.0200 2.28Shallow Concentrated Flow, Unpaved Kv= 16.1 fps14.9 1,110 TotalSubcatchment EDA-4: BTIRunoff = 5.89 cfs @ 12.15 hrs, Volume= 0.564 af, Depth> 0.62"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.03 hrsType III 24-hr 2 Year Rainfall=2.90"Area (ac) CN Description1.400 39 >75% Grass cover, Good, HSG A2.000 98 Paved roads w/curbs & sewers4.100 61 >75% Grass cover, Good, HSG B3.500 74 >75% Grass cover, Good, HSG C11.000 69 Weighted Average9.000 Pervious Area2.000 Impervious AreaTc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs)7.5 50 0.0250 0.11Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"0.7 130 0.0250 3.21Shallow Concentrated Flow, Paved Kv= 20.3 fps0.8 250 0.1040 5.19Shallow Concentrated Flow, Unpaved Kv= 16.1 fps9.0 430 TotalSubcatchment EDA-5: BTIRunoff = 11.02 cfs @ 12.16 hrs, Volume= 0.966 af, Depth> 1.00"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.03 hrsType III 24-hr 2 Year Rainfall=2.90"Area (ac) CN Description1.900 61 >75% Grass cover, Good, HSG B2.300 98 Paved parking & roofs0.600 85 Gravel roads, HSG B6.800 74 >75% Grass cover, Good, HSG C11.600 77 Weighted Average9.300 Pervious Area2.300 Impervious Area Type III 24-hr 2 Year Rainfall=2.90"ExistingBTI New StormsPage 7Prepared by Tighe&Bond12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLCTc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs)8.2 50 0.0200 0.10Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"1.0 260 0.0730 4.35Shallow Concentrated Flow, Unpaved Kv= 16.1 fps1.7 470 0.0850 4.69Shallow Concentrated Flow, Unpaved Kv= 16.1 fps10.9 780 TotalSubcatchment PRINCE: BTIRunoff = 3.91 cfs @ 12.09 hrs, Volume= 0.294 af, Depth> 2.35"Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.03 hrsType III 24-hr 2 Year Rainfall=2.90"Area (ac) CN Description1.300 98 Paved parking & roofs0.200 74 >75% Grass cover, Good, HSG C1.500 95 Weighted Average0.200 Pervious Area1.300 Impervious AreaTc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs)6.0Direct Entry, Link DP1: Inflow Area = 16.800 ac, Inflow Depth > 0.53" for 2 Year eventInflow = 6.99 cfs @ 12.17 hrs, Volume= 0.748 afPrimary = 6.99 cfs @ 12.17 hrs, Volume= 0.748 af, Atten= 0%, Lag= 0.0 minPrimary outflow = Inflow, Time Span= 0.00-24.00 hrs, dt= 0.03 hrsLink DP2: Inflow Area = 22.600 ac, Inflow Depth > 0.89" for 2 Year eventInflow = 19.04 cfs @ 12.16 hrs, Volume= 1.683 afPrimary = 19.04 cfs @ 12.16 hrs, Volume= 1.683 af, Atten= 0%, Lag= 0.0 minPrimary outflow = Inflow, Time Span= 0.00-24.00 hrs, dt= 0.03 hrsType III 24-hr 2 Year Rainfall=2.90"ExistingBTI New StormsPage 8Prepared by Tighe&Bond12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLCLink DP3: Inflow Area = 23.900 ac, Inflow Depth > 0.72" for 2 Year eventInflow = 12.01 cfs @ 12.22 hrs, Volume= 1.440 afPrimary = 12.01 cfs @ 12.22 hrs, Volume= 1.440 af, Atten= 0%, Lag= 0.0 minPrimary outflow = Inflow, Time Span= 0.00-24.00 hrs, dt= 0.03 hrsLink DP4: Inflow Area = 11.000 ac, Inflow Depth > 0.62" for 2 Year eventInflow = 5.89 cfs @ 12.15 hrs, Volume= 0.564 afPrimary = 5.89 cfs @ 12.15 hrs, Volume= 0.564 af, Atten= 0%, Lag= 0.0 minPrimary outflow = Inflow, Time Span= 0.00-24.00 hrs, dt= 0.03 hrsLink DP5: Inflow Area = 12.600 ac, Inflow Depth > 1.06" for 2 Year eventInflow = 12.56 cfs @ 12.15 hrs, Volume= 1.110 afPrimary = 12.56 cfs @ 12.15 hrs, Volume= 1.110 af, Atten= 0%, Lag= 0.0 minPrimary outflow = Inflow, Time Span= 0.00-24.00 hrs, dt= 0.03 hrsLink TOTAL: Inflow Area = 86.900 ac, Inflow Depth > 0.77" for 2 Year eventInflow = 55.73 cfs @ 12.16 hrs, Volume= 5.545 afPrimary = 55.73 cfs @ 12.16 hrs, Volume= 5.545 af, Atten= 0%, Lag= 0.0 minPrimary outflow = Inflow, Time Span= 0.00-24.00 hrs, dt= 0.03 hrs