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Drainage Calcs 12-3-04 ~ ~~0 ¿ Æh C\ ~ MH~~ MH\ ~ /H 0) Æh ~~ CB ~ CB ~UbC¿ B á ~ G / ML ~ \ A<;J--!::\ 6 G CITY OF CHA'NHASSEN RECEIVED DEC 3 2004 CHANHASSEN PLANNING DEPT Drainage Diagram for New Development Prepared by CEI ENGINEERING ASSOCIATES, INC. 12/3/2004 HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems fl;1lit- E:ñt= ;:;. ~ØZffz... ~ ~ (8ùJ1ex/S:::=- ~73P~¿ ,$ (Y2J)íêus;. 29,6,t o \ ce6 New Development Prepared byCEI ENGINEERING ASSOCIATES, INC. HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems Type /I 24-hr 10- Year Storm Rainfal/=4.20" Page 2 12/3/2004 Time span=0.00-20.00 hrs, dt=0.05 hrs, 401 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Stor-Ind+ Trans method - Pond routing by Stor-Ind method Subcatchment A 1: Runoff Area=25,457 sf Runoff Depth=3.65" Tc=5.0 min CN=97 Runoff=3.49 cfs 0.178 af Subcatchment A2: Runoff Area=2,542 sf Runoff Depth=3.54" Tc=5.0 min CN=96 Runoff=0.35 cfs 0.017 af Subcatchment A3: Runoff Area=15, 114 sf Runoff Depth=2.04" Tc=5.0 min CN=80 Runoff=1.37 cfs 0.059 af Subcatchment A4: Runoff Area=5,905 sf Runoff Depth=1.59" Tc=5.0 min CN=74 Runoff=0.43 cfs 0.018 af Subcatchment A5: Runoff Area=5,984 sf Runoff Depth=2.72" Tc=5.0 min CN=88 Runoff=0.69 cfs 0.031 af Subcatchment A6: Runoff Area=15,OOO sf Runoff Depth=3.76" Tc=5.0 min CN=98 Runoff=2.08 cfs 0.108 af Pond CB 4: Peak Elev=950.05' Inflow=7.03 cfs 0.352 af 15.0" x 68.0' Culvert Outflow=7.03 cfs 0.352 af Pond CB 5: Peak Elev=947.45' Inflow=7.03 cfs 0.352 af 18.0" x 23.0' Culvert Outflow=7.03 cfs 0.352 af Pond CB1: Peak Elev=951.50' Inflow=3.84 cfs 0.195 af 12.0" x 177.0' Culvert Outflow=3.84 cfs 0.195 af Pond CB2: Peak Elev=951.54' Inflow=3.49 cfs 0.178 af 12.0" x 112.0' Culvert Outflow=3.49 cfs 0.178 af Pond CB3: Peak Elev=949.93' Inflow=0.69 cfs 0.031 af 12.0" x 22.0' Culvert Outflow=0.69 cfs 0.031 af Pond MH 2: MH Peak Elev=949.86' Inflow=2.77 cfs 0.139 af 12.0" x 88.0' Culvert Outflow=2.77 cfs 0.139 af Pond MH 3: MH Peak Elev=951.23' Inflow=6.61 cfs 0.334 af 12.0" x 24.0' Culvert Outflow=6.61 cfs 0.334 af Pond MH1: MH Peak Elev=949.59' Inflow=0.69 cfs 0.031 af 12.0" x 48.0' Culvert Outflow=0.69 cfs 0.031 af Total Runoff Area = 1.607 ac Runoff Volume = 0.411 af Average Runoff Depth = 3.07" New Development Prepared by CEI ENGINEERING ASSOCIATES, INC. HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems Type 1/24-hr 10-Year Storm Rainfal/=4.20" Page 3 12/3/2004 Runoff = Subcatchment A 1 : 3.49 cfs @ 11.95 hrs, Volume= 0.178 af, Depth= 3.65" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10-Year Storm Rainfall=4.20" Area (sf) 24,682 775 25,457 T c Length (min) (feet) 5.0 Runoff = eN Description 98 Paved parking & roofs 74 >75% Grass cover, Good, HSG C 97 Weighted Average Slope Velocity Capacity Description (ftlft) (ftlsec) (cfs) Direct Entry, Subcatchment A2: 0.35 cfs @ 11.95 hrs, Volume= 0.017 af, Depth= 3.54" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10-Year Storm Rainfall=4.20" Area (sf) 2,288 254 2,542 T c Length (min) (feet) 5.0 Runoff = eN Description 98 Paved parking & roofs 74 >75% Grass cover, Good, HSG C 96 Weighted Average Slope Velocity Capacity Description (ftlft) (ftlsec) (cfs) Direct Entry, Subcatchment A3: 1.37 cfs @ 11.96 hrs, Volume= 0.059 af, Depth= 2.04" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10-Year Storm Rainfall=4.20" Area (sf) 3,934 11 , 180 15,114 T c Length (min) (feet) 5.0 eN Description 98 Paved parking & roofs 74 >75% Grass cover, Good, HSG C 80 Weighted Average Slope Velocity Capacity Description (ftlft) (ftlsec) (cfs) Direct Entry, New Development Prepared by CEI ENGINEERING ASSOCIATES, INC. HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems Type II 24-hr 10- Year Storm Rainfal/=4.20" Page 4 12/3/2004 Runoff = Subcatchment A4: 0.43 cfs @ 11.96 hrs, Volume= 0.018 af, Depth= 1.59" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10-Year Storm Rainfall=4.20" Area (sf) o 5,905 5,905 Tc Length (min) (feet) 5.0 Runoff = eN Description 98 Paved parking & roofs 74 >75% Grass cover, Good, HSG C 74 Weighted Average Slope Velocity Capacity Description (ftlft) (ftlsec) (cfs) Direct Entry, Subcatchment AS: 0.69 cfs @ 11.95 hrs, Volume= 0.031 af, Depth= 2.72" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10-Year Storm Rainfall=4.20" Area (sf) 3,368 2,616 5,984 Tc Length (min) (feet) 5.0 Runoff = eN Description 98 Paved parking & roofs 74 >75% Grass cover, Good, HSG C 88 Weighted Average Slope Velocity Capacity Description (ftlft) (ftlsec) (cfs) Direct Entry, Subcatchment A6: 2.08 cfs @ 11.95 hrs, Volume= 0.108 af, Depth= 3.76" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10-Year Storm Rainfall=4.20" Area (sf) 15,000 T c Length (min) (feet) 5.0 eN Description 98 Paved parking & roofs Slope Velocity Capacity Description (ftlft) (ftlsec) (cfs) Direct Entry, New Development Prepared by CEI ENGINEERING ASSOCIATES, INC. HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems Type 1/ 24-hr 10- Year Storm Rainfal/=4.20" Page 5 12/3/2004 I nflow Area = Inflow = Outflow = Primary = Pond CB 4: 1.260 ac, Inflow Depth = 3.35" 7.03 cfs @ 11.95 hrs, Volume= 7.03 cfs @ 11.95 hrs, Volume= 7.03 cfs @ 11.95 hrs, Volume= for 1 O-Year Storm event 0.352 af 0.352 af, Atten= 0%, Lag= 0.0 min 0.352 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 950.05' @ 11.95 hrs Plug-Flow detention time= (not calculated) Center-of-Mass det. time= (not calculated) # Routing 1 Primary I nvert Outlet Devices 948.20' 15.0" x 68.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 947.50' S= 0.0103 'I' n= 0.012 Cc= 0.900 Primary OutFlow Max=7.00 cfs @ 11.95 hrs HW=950.04' (Free Discharge) 'L-1=Culvert (Barrel Controls 7.00 cfs @ 5.7 fps) I nflow Area = Inflow = Outflow = Primary = Pond CB 5: 1.260 ac, Inflow Depth = 3.35" 7.03 cfs @ 11.95 hrs, Volume= 7.03 cfs @ 11.95 hrs, Volume= 7.03 cfs @ 11.95 hrs, Volume= for 10-Year Storm event 0.352 af 0.352 af, Atten= 0%, Lag= 0.0 min 0.352 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 947.45' @ 11.95 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing 1 Primary Invert Outlet Devices 946.10' 18.0" x 23.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 945.72' S= 0.0165 '/' n= 0.012 Cc= 0.900 Primary OutFlow Max=7.00 cfs @ 11.95 hrs HW=947.44' (Free Discharge) 'L-1=Culvert (Barrel Controls 7.00 cfs @ 5.6 fps) Inflow Area = Inflow = Outflow = Primary = Pond CB1: 0.643 ac, Inflow Depth = 3.64" 3.84 cfs @ 11.95 hrs, Volume= 3.84 cfs @ 11.95 hrs, Volume= 3.84 cfs @ 11.95 hrs, Volume= for 10-Year Storm event 0.195 af 0.195 af, Atten= 0%, Lag= 0.0 min 0.195 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 951.50' @ 11.95 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) New Development Prepared by CEI ENGINEERING ASSOCIATES, INC. HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems Type 1/ 24-hr 10- Year Storm Rainfal/=4.20" Page 6 12/3/2004 # Routing 1 Primary Invert Outlet Devices 949.19' 12.0" x 177.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 948.30' S= 0.0050 'I' n= 0.012 Cc= 0.900 Primary OutFlow Max=3.84 cfs @ 11.95 hrs HW=951.50' (Free Discharge) L1=Culvert (Barrel Controls 3.84 cfs @ 4.9 fps) I nflow Area = Inflow = Outflow = Primary = Pond CB2: 0.584 ac, Inflow Depth = 3.65" 3.49 cfs @ 11.95 hrs, Volume= 3.49 cfs @ 11.95 hrs, Volume= 3.49 cfs @ 11.95 hrs, Volume= for 10- Year Storm event 0.178 af 0.178 af, Atten= 0%, Lag= 0.0 min 0.178 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 951.54' @ 11.95 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing 1 Primary I nvert Outlet Devices 949.81' 12.0" x 112.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 949.25' S= 0.0050 'I' n= 0.012 Cc= 0.900 Primary OutFlow Max=3.49 cfs @ 11.95 hrs HW=951.54' (Free Discharge) L1 =Culvert (Barrel Controls 3.49 cfs @ 4.4 fps) I nflow Area = Inflow = Outflow = Primary = Pond CB3: 0.137 ac, Inflow Depth = 2.72" 0.69 cfs @ 11.95 hrs, Volume= 0.69 cfs @ 11.95 hrs, Volume= 0.69 cfs @ 11.95 hrs, Volume= for 10-Year Storm event 0.031 af 0.031 af, Atten= 0%, Lag= 0.0 min 0.031 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 949.93' @ 11.95 hrs Plug-Flow detention time= 0.0 min calculated for 0.031 af (100% of inflow) Center-of-Mass det. time= 0.0 min ( 764.0 - 764.0 ) # Routing 1 Primary Invert Outlet Devices 949.50' 12.0" x 22.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 949.28' S= 0.0100 'I' n= 0.012 Cc= 0.900 Primary OutFlow Max=0.69 cfs @ 11.95 hrs HW=949.93' (Free Discharge) L1=Culvert (Barrel Controls 0.69 cfs @ 3.2 fps) New Development Prepared by CEI ENGINEERING ASSOCIATES, INC. HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems Type 1/ 24-hr 10- Year Storm Rainfal/=4.20" Page 7 12/3/2004 I nflow Area = Inflow = Outflow = Primary = Pond MH 2: MH 0.482 ac, Inflow Depth = 3.47" 2.77 cfs @ 11.95 hrs, Volume= 2.77 cfs @ 11.95 hrs, Volume= 2.77 cfs @ 11.95 hrs, Volume= for 10-Year Storm event 0.139 af 0.139 af, Atten= 0%, Lag= 0.0 min 0.139 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 949.86' @ 11.95 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing 1 Primary I nvert Outlet Devices 948.70' 12.0" x 88.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 948.30' S= 0.0045 'I' n= 0.012 Cc= 0.900 Primary OutFlow Max=2.76 cfs @ 11.95 hrs HW=949.85' (Free Discharge) "'L-1=Culvert (Barrel Controls 2.76 cfs @ 3.8 fps) Inflow Area = Inflow = Outflow = Primary = Pond MH 3: MH 1.124 ac, Inflow Depth = 3.56" for 6.61 cfs @ 11.95 hrs, Volume= 6.61 cfs @ 11.95 hrs, Volume= 6.61 cfs @ 11.95 hrs, Volume= 1 O-Year Storm event 0.334 af 0.334 af, Atten= 0%, 0.334 af Lag= 0.0 min Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 951.23' @ 11.95 hrs Plug-Flow detention time= (not calculated) Center-of-Mass det. time= (not calculated) # Routing 1 Primary I nvert Outlet Devices 948.30' 12.0" x 24.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 948.20' S= 0.0042 'I' n= 0.012 Cc= 0.900 Primary OutFlow Max=6.60 cfs @ 11.95 hrs HW=951.22' (Free Discharge) "'L-1=Culvert (Barrel Controls 6.60 cfs @ 8.4 fps) Inflow Area = Inflow = Outflow = Primary = Pond MH1: MH 0.137 ac, Inflow Depth = 2.72" 0.69 cfs @ 11.95 hrs, Volume= 0.69 cfs @ 11.95 hrs, Volume= 0.69 cfs @ 11.95 hrs, Volume= for 10-Year Storm event 0.031 af 0.031 af, Atten= 0%, Lag= 0.0 min 0.031 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 949.59' @ 11.95 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) New Development Prepared by CEI ENGINEERING ASSOCIATES, INC. HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems Type 1/ 24-hr 10- Year Storm Rainfal/=4.20" Page 8 12/3/2004 # Routing 1 Primary Invert Outlet Devices 949.18' 12.0" x 48.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 948.70' S= 0.0100 'I' n= 0.012 Cc= 0.900 Primary OutFlow Max=0.69 cfs @ 11.95 hrs HW=949.59' (Free Discharge) L1=Culvert (Barrel Controls 0.69 cfs @ 3.4 fps) New Development Type 1/ 24-hr 100- Year Storm Rainfal/=6.00" Prepared by CEI ENGINEERING ASSOCIATES, INC. Page 9 HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems 12/3/2004 Time span=0.00-20.00 hrs, dt=0.05 hrs, 401 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Stor-Ind+ Trans method - Pond routing by Stor-Ind method Subcatchment A 1 : Runoff Area=25,457 sf Runoff Depth=5.35" Tc=5.0 min CN=97 Runoff=5.03 cfs 0.261 af Subcatchment A2: Runoff Area=2,542 sf Runoff Depth=5.24" Tc=5.0 min CN=96 Runoff=0.50 cfs 0.025 af Subcatchment A3: Runoff Area=15, 114 sf Runoff Depth=3.52" Tc=5.0 min CN=80 Runoff=2.31 cfs 0.102 af Subcatchment A4: Runoff Area=5,905 sf Runoff Depth=2.94" Tc=5.0 min CN=74 Runoff=O.77 cfs 0.033 af Subcatchment A5: Runoff Area=5,984 sf Runoff Depth=4.35" Tc=5.0 min CN=88 Runoff=1.07 cfs 0.050 af Subcatchment A6: Runoff Area=15,OOO sf Runoff Depth=5.47" Tc=5.0 min CN=98 Runoff=2.98 cfs 0.157 af Pond CB 4: Peak Elev=951.57' I nflow= 1 0.35 cfs 0.526 af 15.0" x 68.0' Culvert Outflow=10.35 cfs 0.526 af Pond CB 5: Peak Elev=947.96' Inflow=10.35 cfs 0.526 af 18.0" x 23.0' Culvert Outflow=10.35 cfs 0.526 af Pond CB1: Peak Elev=953.87' Inflow=5.53 cfs 0.286 af 12.0" x 177.0' Culvert Outflow=5.53 cfs 0.286 af Pond CB2: Peak Elev=952.92' Inflow=5.03 cfs 0.261 af 12.0" x 112.0' Culvert Outflow=5.03 cfs 0.261 af Pond CB3: Peak Elev=950.05' Inflow=1.07 cfs 0.050 af 12.0" x 22.0' Culvert Outflow=1.07 cfs 0.050 af Pond MH 2: MH Peak Elev=950.77' Inflow=4.05 cfs 0.207 af 12.0" x 88.0' Culvert Outflow=4.05 cfs 0.207 af Pond MH 3: MH Peak Elev=953.45' Inflow=9.58 cfs 0.493 af 12.0" x 24.0' Culvert Outflow=9.58 cfs 0.493 af Pond MH1: MH Peak Elev=949.70' Inflow=1.07 cfs 0.050 af 12.0" x 48.0' Culvert Outflow=1.07 cfs 0.050 af Total Runoff Area = 1.607 ac Runoff Volume = 0.628 af Average Runoff Depth = 4.69" New Development Type 1/ 24-hr 100- Year Storm Rainfal/=6.001l Prepared by CEI ENGINEERING ASSOCIATES, INC. Page 10 HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems 12/3/2004 Runoff = Subcatchment A 1 : 5.03 cfs @ 11.95 hrs, Volume= 0.261 af, Depth= 5.35" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100-Year Storm Rainfall=6.00" Area (sf) 24,682 775 25,457 T c Length (min) (feet) 5.0 Runoff = eN Description 98 Paved parking & roofs 74 >75% Grass cover, Good, HSG C 97 Weighted Average Slope Velocity Capacity Description (ftlft) (ftlsec) (cfs) Direct Entry, Subcatchment A2: 0.50 cfs @ 11.95 hrs, Volume= 0.025 af, Depth= 5.24" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 1 OO-Year Storm Rainfall=6.00" Area (sf) 2,288 254 2,542 Tc Length (min) (feet) 5.0 Runoff = eN Description 98 Paved parking & roofs 74 >75% Grass cover, Good, HSG C 96 Weighted Average Slope Velocity Capacity Description (ftlft) (ftlsec) (cfs) Direct Entry, Subcatchment A3: 2.31 cfs @ 11.95 hrs, Volume= 0.102 af, Depth= 3.52" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100-Year Storm Rainfall=6.00" Area (sf) 3,934 11 ,180 15,114 T c Length (min) (feet) 5.0 eN Description 98 Paved parking & roofs 74 >75% Grass cover, Good, HSG C 80 Weighted Average Slope Velocity Capacity Description (ftlft) (ftlsec) (cfs) Direct Entry, New Development Type 1/ 24-hr 100- Year Storm Rainfal/=6.00" Prepared by CEI ENGINEERING ASSOCIATES, INC. Page 11 HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems 12/3/2004 Runoff = Subcatchment A4: 0.77 cfs @ 11.96 hrs, Volume= 0.033 af, Depth= 2.94" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100-Year Storm Rainfall=6.00" Area (sf) o 5,905 5,905 T c Length (min) (feet) 5.0 Runoff = eN Description 98 Paved parking & roofs 74 >75% Grass cover, Good, HSG C 74 Weighted Average Slope Velocity Capacity Description (ftlft) (ftlsec) (cfs) Direct Entry, Subcatchment A5: 1.07 cfs @ 11.95 hrs, Volume= 0.050 af, Depth= 4.35" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 1 OO-Year Storm Rainfall=6.00" Area (sf) 3,368 2,616 5,984 Tc Length (min) (feet) 5.0 Runoff = eN Description 98 Paved parking & roofs 74 >75% Grass cover, Good, HSG C 88 Weighted Average Slope Velocity Capacity Description (ftlft) (ftlsec) (cfs) Direct Entry, Subcatchment A6: 2.98 cfs @ 11.95 hrs, Volume= 0.157 af, Depth= 5.47" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100-Year Storm Rainfall=6.00" Area (sf) 15,000 T c Length (min) (feet) 5.0 eN Description 98 Paved parking & roofs Slope Velocity Capacity Description (ftlft) (ftlsec) (cfs) Direct Entry, '. New Development Type 1/ 24-hr 100-Year Storm Rainfal/=6.00" Prepared by CEI ENGINEERING ASSOCIATES, INC. Page 12 HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems 12/3/2004 I nflow Area = Inflow = Outflow = Primary = Pond CB 4: 1.260 ac, Inflow Depth = 5.01" 10.35 cfs @ 11.95 hrs, Volume= 10.35 cfs @ 11.95 hrs, Volume= 10.35 cfs @ 11.95 hrs, Volume= for 10Q-Year Storm event 0.526 af 0.526 af, AUen= 0%, Lag= 0.0 min 0.526 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 951.57' @ 11.95 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing 1 Primary Invert Outlet Devices 948.20' 15.0" x 68.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 947.50' S= 0.0103 '/' n= 0.012 Cc= 0.900 Primary OutFlow Max=1 0.32 cfs @ 11.95 hrs HW=951.55' (Free Discharge) "L-1 =Culvert (Barrel Controls 10.32 cfs @ 8.4 fps) Inflow Area = Inflow = Outflow = Primary = Pond CB 5: 1.260 ac, Inflow Depth = 5.01" 10.35 cfs @ 11.95 hrs, Volume= 10.35 cfs @ 11.95 hrs, Volume= 10.35 cfs @ 11.95 hrs, Volume= for 100- Year Storm event 0.526 af 0.526 af, AUen= 0%, Lag= 0.0 min 0.526 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 947.96' @ 11.95 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing 1 Primary Invert Outlet Devices 946.10' 18.0" x 23.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 945.72' S= 0.0165 '/' n= 0.012 Cc= 0.900 Primary OutFlow Max=1 0.33 cfs @ 11.95 hrs HW=947.96' (Free Discharge) "L-1=Culvert (Barrel Controls 10.33 cfs @ 6.0 fps) Inflow Area = Inflow = Outflow = Primary = Pond CB1 : 0.643 ac, Inflow Depth = 5.34" 5.53 cfs @ 11.95 hrs, Volume= 5.53 cfs @ 11.95 hrs, Volume= 5.53 cfs @ 11.95 hrs, Volume= for 100-Year Storm event 0.286 af 0.286 af, AUen= 0%, Lag= 0.0 min 0.286 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 953.87' @ 11.95 hrs Plug-Flow detention time= 0.0 min calculated for 0.286 af (100% of inflow) Center-of-Mass det. time= 0.0 min ( 716.6 - 716.6 ) New Development Type 1/ 24-hr 100- Year Storm Rainfal/=6.00" Prepared by CEI ENGINEERING ASSOCIATES, INC. Page 13 HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems 12/3/2004 # Routing 1 Primary I nvert Outlet Devices 949.19' 12.0" x 177.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 948.30' S= 0.0050 'I' n= 0.012 Cc= 0.900 Primary OutFlow Max=5.53 cfs @ 11.95 hrs HW=953.87' (Free Discharge) L1=Culvert (Barrel Controls 5.53 cfs @ 7.0 fps) Inflow Area = Inflow = Outflow = Primary = Pond CB2: 0.584 ac, Inflow Depth = 5.35" 5.03 cfs @ 11.95 hrs, Volume= 5.03 cfs @ 11.95 hrs, Volume= 5.03 cfs @ 11.95 hrs, Volume= for 100-Year Storm event 0.261 af 0.261 af, AUen= 0%, Lag= 0.0 min 0.261 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 952.92' @ 11.95 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing 1 Primary I nvert Outlet Devices 949.81' 12.0" x 112.0'long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 949.25' S= 0.0050 'I' n= 0.012 Cc= 0.900 Primary OutFlow Max=5.03 cfs @ 11.95 hrs HW=952.92' (Free Discharge) L1 =Culvert (Barrel Controls 5.03 cfs @ 6.4 fps) I nflow Area = Inflow = Outflow = Primary = Pond CB3: 0.137 ac, Inflow Depth = 4.35" for 1.07 cfs @ 11.95 hrs, Volume= 1.07 cfs @ 11.95 hrs, Volume= 1.07 cfs @ 11.95 hrs, Volume= 100- Year Storm event 0.050 af 0.050 af, AUen= 0%, 0.050 af Lag= 0.0 min Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 950.05' @ 11.95 hrs Plug-Flow detention time= (not calculated) Center-of-Mass det. time= (not calculated) # Routing 1 Primary I nvert Outlet Devices 949.50' 12.0" x 22.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 949.28' S= 0.0100 'I' n= 0.012 Cc= 0.900 Primary OutFlow Max=1.06 cfs @ 11.95 hrs HW=950.05' (Free Discharge) L1=Culvert (Barrel Controls 1.06 cfs @ 3.5 fps) New Development Type 1/ 24-hr 100- Year Storm Rainfal/=6.00" Prepared by CEI ENGINEERING ASSOCIATES, INC. Page 14 HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems 12/3/2004 I nflow Area = Inflow = Outflow = Primary = Pond MH 2: MH 0.482 ac, Inflow Depth = 5.15" 4.05 cfs @ 11.95 hrs, Volume= 4.05 cfs @ 11.95 hrs, Volume= 4.05 cfs @ 11.95 hrs, Volume= for 100-Year Storm event 0.207 af 0.207 af, Atten= 0%, Lag= 0.0 min 0.207 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 950.77' @ 11.95 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing 1 Primary Invert Outlet Devices 948.70' 12.0" x 88.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 948.30' S= 0.0045 'I' n= 0.012 Cc= 0.900 Primary OutFlow Max=4.05 cfs @ 11.95 hrs HW=950.76' (Free Discharge) L1=Culvert (Barrel Controls 4.05 cfs @ 5.2 fps) Inflow Area = Inflow = Outflow = Primary = Pond MH 3: MH 1.124 ac, Inflow Depth = 5.26" 9.58 cfs @ 11.95 hrs, Volume= 9.58 cfs @ 11.95 hrs, Volume= 9.58 cfs @ 11.95 hrs, Volume= for 100- Year Storm event 0.493 af 0.493 af, Atten= 0%, Lag= 0.0 min 0.493 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 953.45' @ 11.95 hrs Plug-Flow detention time= (not calculated) Center-of-Mass det. time= (not calculated) # Routing 1 Primary Invert Outlet Devices 948.30' 12.0" x 24.0' long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 948.20' S= 0.0042 '/, n= 0.012 Cc= 0.900 Primary OutFlow Max=9.57 cfs @ 11.95 hrs HW=953.45' (Free Discharge) L1=Culvert (Barrel Controls 9.57 cfs @ 12.2 fps) I nflow Area = Inflow = Outflow = Primary = Pond MH1: MH 0.137 ac, Inflow Depth = 4.35" 1.07 cfs @ 11.95 hrs, Volume= 1.07 cfs @ 11.95 hrs, Volume= 1.07 cfs @ 11.95 hrs, Volume= for 100-Year Storm event 0.050 af 0.050 af, Atten= 0%, Lag= 0.0 min 0.050 af Routing by Stor-Ind method, Time Span= 0.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 949.70' @ 11.95 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) New Development Type 1/ 24-hr 100- Year Storm Rainfal/=6.00" Prepared by CEI ENGINEERING ASSOCIATES, INC. Page 15 HydroCAD® 7.00 sIn 002540 © 1986-2003 Applied Microcomputer Systems 12/3/2004 # Routing 1 Primary Invert Outlet Devices 949.18' 12.0" x 48.0'long Culvert RCP, groove end projecting, Ke= 0.200 Outlet Invert= 948.70' S= 0.0100 '/' n= 0.012 Cc= 0.900 Primary OutFlow Max=1.06 cfs @ 11.95 hrs HW=949.70' (Free Discharge) "L.1 =Culvert (Barrel Controls 1.06 cfs @ 3.7 fps)