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2005-04-18 Drainage Calcs D~a;~ Cn..1cs CB108 !, CB101 LI MR PoM Prey ;L~ lei,.. .475. L~1 _ Lt Ar ~~, MN 1dl I BL~A BLDO~^ /p~CCC~~~ \2\pi~ b / PoM iYp. /6\ LS \ ~L n Roo1Lw\dp RoMLeWp ^ LS ~.q \\21 \~'1 MM1a ~~• L2p Mutts CBt14; -0.•j `i 7'!_ ~ -1,..~. ! `{ -- M1--~1.~ MH~SSSIIIL~ r.~+., MH115 MH ~Ob -__.. MH 105-V ~ /' Lg MH 102 08114 Lt] A LB L] / Roorleeder BLDOC - L12 1 MH110 !~. ~ - ~ coy cB1t t` -0 iLt ~. --~ L13~. 'MM ts/ E \ ~- u rw nD __ o. -p< < //j7 pp~~ CB111 L13 MH109 eior~ 116 Root Leader BLDGE _.__ n / L~ L11 BLDG D Raof Leader Ceti3.~ /L16~ MHt11. CB 113 L18 MH112 !~}~( "nb~ V CB110~ ~ L22 \ ~"~! t CB tl] 08120 CB 119 r Lxhmen Are CB 11] ~Subcat/ Reach Pon Lln~ Drainage Diagram for LeBeaux Station ~ L-- ~ ~_. ~ Prepared by John Oliver & Associates- Ross D. Abel PE 4/18/2005 ~ ~ ~~ HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems ~,~ LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 2 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Time span=0.00-48.00 hrs, dt=0.05 hrs, 961 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Stor-Ind+Trans method -Pond routing by Stor-Ind method Subcatchment 2S: MH 100 Runoff Area=6,400 sf Runoff Depth=2.21" Flow Length=120' Tc=2.0 min CN=81 Runoff=0.61 cfs 0.027 of Subcatchment 3S: CB101 Runoff Area=12,000 sf Runoff Depth=3.86" Flow Length=120' Tc=2.0 min CN=98 Runoff=1.70 cfs 0.089 of Subcatchment BLDG A: BLDG A Runoff Area=5,980 sf Runoff Depth=3.86" Flow Length=60' Tc=0.9 min CN=98 Runoff=0.89 cfs 0.044 of Subcatchment BLDG B: BLDG B Runoff Area=8,840 sf Runoff Depth=3.86" Flow Length=80' Tc=1.1 min CN=98 Runoff=1.30 cfs 0.065 of Subcatchment BLDG C: BLDG C Runoff Area=4,260 sf Runoff Depth=3.86" Flow Length=50' Tc=0.8 min CN=98 Runoff=0.64 cfs 0.031 of Subcatchment BLDG D: BLDG D Runoff Area=5,076 sf Runoff Depth=3.86" Flow Length=60' Tc=0.9 min CN=98 Runoff=0.75 cfs 0.038 of Subcatchment BLDG E: BLDG E Runoff Area=5,124 sf Runoff Depth=3.86" Flow Length=60' Tc=0.9 min CN=98 Runoff=0.76 cfs 0.038 of Subcatchment CB 117: CB 117 Runoff Area=6,120 sf Runoff Depth=3.01" Flow Length=60' Tc=1.2 min CN=90 Runoff=0.79 cfs 0.035 of Subcatchment CB108: CB 108 Runoff Area=6,880 sf Runoff Depth=3.32" Flow Length=160' Tc=2.2 min CN=93 Runoff=0.90 cfs 0.044 of Subcatchment C6111: CB111 Runoff Area=15,885 sf Runoff Depth=3.75" Flow Length=120' Tc=2.0 min CN=97 Runoff=2.23 cfs 0.114 of Subcatchment CB113: CB 113 Runoff Area=1,500 sf Runoff Depth=3.11" Flow Length=100' Tc=1.2 min CN=91 Runoff=0.20 cfs 0.009 of Subcatchment CB114: CB 114 Runoff Area=2,700 sf Runoff Depth=3.11" Flow Length=80' Tc=1.2 min CN=91 Runoff=0.36 cfs 0.016 of Subcatchment CB119: CB 119 Runoff Area=10,865 sf Runoff Depth=2.82" Flow Length=115' Tc=1.9 min CN=88 Runoff=1.29 cfs 0.059 of Subcatchment C6120: CB 120 Runoff Area=8,900 sf Runoff Depth=3.01" Flow Length=120' Tc=2.0 min CN=90 Runoff=1.10 cfs 0.051 of Subcatchment LACHMEN: Lachmen Ave Runoff Area=15,000 sf Runoff Depth=2.21" Flow Length=120' Tc=5.6 min CN=81 Runoff=1.32 cfs 0.063 of !~! v~ LeBeaux Station Type 1124-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 3 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Subcatchment MH102: MH 102 Runoff Area=2 sf Runoff Depth=2.12" Tc=0.0 min CN=80 Runoff=0.00 cfs 0.000 of Subcatchment MH103: MH 103 Runoff Area=10,200 sf Runoff Depth=1.74" Flow Length=120' Tc=2.0 min CN=75 Runoff=0.80 cfs 0.034 of Subcatchment MH104: MH 104 Runoff Area=11,500 sf Runoff Depth=3.86" Flow Length=90' Tc=1.6 min CN=98 Runoff=1.66 cfs 0.085 of Subcatchment MH105: MH 105 Runoff Area=12,000 sf Runoff Depth=3.75" Flow Length=80' Tc=1.5 min CN=97 Runoff=1.72 cfs 0.086 of Subcatchment MH106: MH 106 Runoff Area=2,700 sf Runoff Depth=3.21" Flow Length=80' Tc=1.2 min CN=92 Runoff=0.36 cfs 0.017 of Subcatchment MH107: MH 107 Runoff Area=1,150 sf Runoff Depth=3.86" Flow Length=80' Tc=1.3 min CN=98 Runoff=0.17 cfs 0.009 of Subcatchment MH109: MH109 Runoff Area=13,440 sf Runoff Depth=3.01" Flow Length=160' Tc=2.5 min CN=90 Runoff=1.69 cfs 0.077 of Subcatchment MH110: MH 110 Runoff Area=12,600 sf Runoff Depth=3.64" Flow Length=160' Tc=2.5 min CN=96 Runoff=1.72 cfs 0.088 of Subcatchment MH112: MH112 Runoff Area=1,500 sf Runoff Depth=3.11" Flow Length=100' Tc=1.2 min CN=91 Runoff=0.20 cfs 0.009 of Subcatchment MH115: MH115 Runoff Area=13,845 sf Runoff Depth=3.75" Flow Length=120' Tc=2.0 min CN=97 Runoff=1.94 cfs 0.099 of Subcatchment MH116: MH116 Runoff Area=24,200 sf Runoff Depth=3.64" Flow Length=100' Tc=1.7 min CN=96 Runoff=3.40 cfs 0.168 of Subcatchment Pond: Pond Area Runoff Area=18,200 sf Runoff Depth=3.86" Tc=0.1 min CN=98 Runoff=2.74 cfs 0.135 of Pond A: Roof Leader Peak Elev=953.64' Inflow=0.89 cfs 0.044 of 15.0" x 70.0' Culvert Outflow=0.89 cfs 0.044 of Pond B: Roof Leader Peak Elev=953.53' Inflow=1.30 cfs 0.065 of 15.0" x 70.0' Culvert Outflow=1.30 cfs 0.065 of Pond C: Roof Leader Peak Elev=953.99' Inflow=0.64 cfs 0.031 of 15.0" x 38.0' Culvert Outflow=0.64 cfs 0.031 of Pond D: Roof Leader Peak Elev=953.23' Inflow=0.75 cfs 0.038 of 15.0" x 97.0' Culvert Outflow=0.75 cfs 0.038 of LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 4 HvdroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Pond E: Roof Leader Peak Elev=953.25' Inflow=0.76 cfs 0.038 of 15.0" x 102.0' Culvert Outflow=0.76 cfs 0.038 of Pond L1: L1 Peak Elev=953.24' Inflow=2.31 cfs 0.116 of 15.0" x 69.0' Culvert Outflow=2.31 cfs 0.116 of Pond L10: L10 Peak EIev=954.04' Inflow=1.07 cfs 0.052 of 18.0" x 142.0' Culvert Outflow=1.07 cfs 0.052 of Pond L11: L11 Peak EIev=954.08' Inflow=0.90 cfs 0.044 of 15.0" x 28.0' Culvert Outflow=0.90 cfs 0.044 of Pond L12: L12 Peak EIev=954.00' Inflow=5.57 cfs 0.279 of 18.0" x 60.0' Culvert Outflow=5.57 cfs 0.279 of Pond L13: L13 Peak EIev=954.05' Inflow=3.94 cfs 0.202 of 15.0" x 63.0' Culvert Outflow=3.94 cfs 0.202 of Pond L14: L14 Peak Elev=953.86' Inflow=2.23 cfs 0.114 of 15.0" x 73.0' Culvert Outflow=2.23 cfs 0.114 of Pond L15: L15 Peak EIev=954.03' Inflow=1.03 cfs 0.049 of 15.0" x 130.0' Culvert Outflow=1.03 cfs 0.049 of Pond L15A: L15A Peak Elev=953.97' Inflow=0.40 cfs 0.018 of 15.0" x 64.0' Culvert Outflow=0.40 cfs 0.018 of Pond L16: L16 Peak Elev=953.93' Inflow=0.20 cfs 0.009 of 15.0" x 23.0' Culvert Outflow=0.20 cfs 0.009 of Pond L17: L17 Peak Elev=953.57' Inflow=0.36 cfs 0.016 of 15.0" x 23.0' Culvert Outflow=0.36 cfs 0.016 of Pond L2: L2 Peak Elev=953.59' Inflow=1.70 cfs 0.089 of 15.0" x 66.0' Culvert Outflow=1.70 cfs 0.089 of Pond L20: L20 Peak Elev=953.63' Inflow=7.63 cfs 0.379 of 21.0" x 24.0' Culvert Outflow=7.63 cfs 0.379 of Pond L21: L21 Peak Elev=953.94' Inflow=5.69 cfs 0.279 of 18.0" x 127.0' Culvert Outflow=5.69 cfs 0.279 of Pond L22: L22 Peak Elev=953.33' Inflow=0.79 cfs 0.035 of 15.0" x 127.0' Culvert Outflow=0.79 cfs 0.035 of Pond L5: L5 Peak Elev=954.29' Inflow=14.65 cfs 0.728 of 24.0" x 28.0' Culvert Outflow=14.65 cfs 0.728 of LeBeaux Station Type 1124-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 5 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Pond L6: L6 Peak Elev=954.68' Inflow=14.65 cfs 0.728 of 24.0" x 102.0' Culvert Outflow=14.65 cfs 0.728 of Pond L7: L7 Peak Elev=954.40' Inflow=8.37 cfs 0.415 of 21.0" x 105.0' Culvert Outflow=8.37 cfs 0.415 of Pond L8: L8 Peak Elev=954.41' Inflow=5.41 cfs 0.265 of 18.0" x 117.0' Culvert Outflow=5.41 cfs 0.265 of Pond L9: L9 Peak Elev=954.12' Inflow=2.81 cfs 0.134 of 15.0" x 64.0' Culvert Outflow=2.81 cfs 0.134 of Pond P: Pond Peak Elev=954.63' Storage=19,086 cf Inflow=27.22 cfs 1.357 of Outflow=11.66 cfs 1.357 of Total Runoff Area = 5.438 ac Runoff Volume = 1.530 of Average Runoff Depth = 3.38" LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 6 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Subcatchment 2S: MH 100 Runoff = 0.61 cfs @ 11.92 hrs, Volume= 0.027 af, Depth= 2.21" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sf) CN Description 2,880 61 >75% Grass cover, Good, HSG B 3,520 98 Paved roads w/curbs & sewers 6,400 81 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.0 120 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment 3S: CB101 Runoff = 1.70 cfs @ 11.91 hrs, Volume= 0.089 af, Depth= 3.86" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sf) CN Description 12,000 98 Paved parking & roofs Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.0 120 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment BLDG A: BLDG A Runoff = 0.89 cfs @ 11.90 hrs, Volume= 0.044 af, Depth= 3.86" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sf) CN Description 5,980 98 Paved parking & roofs Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.9 60 0.0100 1.1 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 7 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Subcatchment BLDG B: BLDG B Runoff = 1.30 cfs @ 11.90 hrs, Volume= 0.065 af, Depth= 3.86" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 8,840 98 Paved parking & roofs Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.1 80 0.0100 1.2 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment BLDG C: BLDG C Runoff = 0.64 cfs @ 11.89 hrs, Volume= 0.031 af, Depth= 3.86" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 4,260 98 Paved parking & roofs Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.8 50 0.0100 1.1 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment BLDG D: BLDG D Runoff = 0.75 cfs @ 11.90 hrs, Volume= 0.038 af, Depth= 3.86" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 5,076 98 Paved parking & roofs Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.9 60 0.0100 1.1 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" LeBeaux Station Type 1124-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 8 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Subcatchment BLDG E: BLDG E Runoff = 0.76 cfs @ 11.90 hrs, Volume= 0.038 af, Depth= 3.86" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 5,124 98 Paved parking & roofs Tc Length Slope Velocity Capacity Description _(min) (feet) (ft/ft) (ft/sec) (cfs) 0.9 60 0.0100 1.1 Sheet Flow, Smooth surtaces n= 0.011 P2= 4.70" Subcatchment CB 117: CB 117 Runoff = 0.79 cfs @ 11.90 hrs, Volume= 0.035 af, Depth= 3.01" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sf) CN Description 1,320 61 >75% Grass cover, Good, HSG B 4,800 98 Paved parking & roofs 6,120 90 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.2 60 0.0050 0.9 Sheet Flow, Smooth surtaces n= 0.011 P2= 4.70" Subcatchment CB108: CB 108 Runoff = 0.90 cfs @ 11.92 hrs, Volume= 0.044 af, Depth= 3.32" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sf) CN Description 850 61 >75% Grass cover, Good, HSG B 6,030 98 Paved roads w/curbs & sewers 6,880 93 Weighted Average LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 9 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.7 30 0.0050 0.8 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" 1.5 130 0.0050 1.4 Shallow Concentrated Flow, Paved Kv= 20.3 fos 2.2 160 Total Subcatchment CB111: CB111 Runoff = 2.23 cfs @ 11.91 hrs, Volume= 0.114 af, Depth= 3.75" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 400 61 >75% Grass cover, Good, HSG B 15,485 98 Paved parking & roofs 15,885 97 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.0 120 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment CB113: CB 113 Runoff = 0.20 cfs @ 11.90 hrs, Volume= 0.009 af, Depth= 3.11" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 300 61 >75% Grass cover, Good, HSG B 1,200 98 Paved roads w/curbs & sewers 1,500 91 Weighted Average Tc Length Slope Velocity Capacity Description Amin) (feet) (ft/ft) (ft/sec) (cfs) 1.2 100 0.0050 1.4 Shallow Concentrated Flow, Paved Kv= 20.3 fps Subcatchment CB114: CB 114 Runoff = 0.36 cfs @ 11.90 hrs, Volume= 0.016 af, Depth= 3.11" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" LeBeaux Station Type 1124-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 10 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Area (sfl CN Description 510 61 >75% Grass cover, Good, HSG B 2,190 98 Paved roads w/curbs & sewers 2,700 91 Weighted Average Tc Length Slope Velocity Capacity Description Amin) (feet) (ft/ft) (ft/sec) (cfs) 0.5 20 0.0050 0.7 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" 0.7 60 0.0050 1.4 Shallow Concentrated Flow, Paved Kv= 20.3 fps 1.2 80 Total Subcatchment CB119: CB 119 Runoff = 1.29 cfs @ 11.91 hrs, Volume= 0.059 af, Depth= 2.82" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 3,060 61 >75% Grass cover, Good, HSG B 7,805 98 Paved parking & roofs 10,865 88 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.9 115 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment CB120: CB 120 Runoff = 1.10 cfs @ 11.92 hrs, Volume= 0.051 af, Depth= 3.01" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 1,920 61 >75% Grass cover, Good, HSG B 6,980 98 Paved parking & roofs 8,900 90 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.0 120 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 11 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Subcatchment LACHMEN: Lachmen Ave Runoff = 1.32 cfs @ 11.96 hrs, Volume= 0.063 af, Depth= 2.21" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 2,400 61 >75% Grass cover, Good, HSG B 4,040 98 Paved parking & roofs 4,400 61 >75% Grass cover, Good, HSG B 4,160 98 Paved parking & roofs 15,000 81 Weighted Average Tc Length Slope Velocity Capacity Description __ (min) (feet) (ft/ft) (ft/sec) (cfs) 3.9 20 0.0050 0.1 Sheet Flow, Grass: Short n= 0.150 P2= 4.70" 1.7 100 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" 5.6 120 Total Subcatchment MH102: MH 102 Runoff = 0.00 cfs @ 11.89 hrs, Volume= 0.000 af, Depth= 2.12" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sf) CN Description 1 61 >75% Grass cover, Good, HSG B 1 98 Paved parking & roofs 2 80 Weighted Average Subcatchment MH103: MH 103 Runoff = 0.80 cfs @ 11.93 hrs, Volume= 0.034 af, Depth= 1.74" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sf) CN Description 6,400 61 >75% Grass cover, Good, HSG B 3,800 98 Paved roads w/curbs & sewers 10,200 75 Weighted Average LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 12 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.0 120 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment MH104: MH 104 Runoff = 1.66 cfs @ 11.90 hrs, Volume= 0.085 af, Depth= 3.86" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 100 61 >75% Grass cover, Good, HSG B 11,400 98 Paved roads w/curbs & sewers 11,500 98 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.6 90 0.0050 0.9 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment MH105: MH 105 Runoff = 1.72 cfs @ 11.90 hrs, Volume= 0.086 af, Depth= 3.75" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 200 61 >75% Grass cover, Good, HSG B 11,800 98 Paved roads w/curbs & sewers 12,000 97 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.5 80 0.0050 0.9 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment MH106: MH 106 Runoff = 0.36 cfs @ 11.90 hrs, Volume= 0.017 af, Depth= 3.21" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 410 61 >75% Grass cover, Good, HSG B 2,290 98 Paved roads w/curbs & sewers 2,700 92 Weighted Average LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 13 HydroCADO 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.5 20 0.0050 0.7 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" 0.7 60 0.0050 1.4 Shallow Concentrated Flow, Paved Kv= 20.3 fas 1.2 80 Total Subcatchment MH107: MH 107 Runoff = 0.17 cfs @ 11.90 hrs, Volume= 0.009 af, Depth= 3.86" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sf) CN Description 1,150 98 Paved roads w/curbs & sewers Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.8 40 0.0050 0.8 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" 0.5 40 0.0050 1.4 Shallow Concentrated Flow, _ Paved Kv= 20.3 fas 1.3 80 Total Subcatchment MH109: MH109 Runoff = 1.69 cfs @ 11.93 hrs, Volume= 0.077 af, Depth= 3.01" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sf) CN Description 2,880 61 >75% Grass cover, Good, HSG B _ 10,560 98 Paved parkin & roofs 13,440 90 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.5 160 0.0050 1.1 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 14 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Subcatchment MH110: MH 110 Runoff = 1.72 cfs @ 11.92 hrs, Volume= 0.088 af, Depth= 3.64" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 800 61 >75% Grass cover, Good, HSG B 11,800 98 Paved parking & roofs 12,600 96 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.5 160 0.0050 1.1 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment MH112: MH112 Runoff = 0.20 cfs @ 11.90 hrs, Volume= 0.009 af, Depth= 3.11" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description 300 61 >75% Grass cover, Good, HSG B 1,200 98 Paved parking & roofs 1,500 91 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.2 100 0.0050 1.4 Shallow Concentrated Flow, Paved Kv= 20.3 fps Subcatchment MH115: MH115 Runoff = 1.94 cfs @ 11.91 hrs, Volume= 0.099 af, Depth= 3.75" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sfl CN Description _ 500 61 >75% Grass cover, Good, HSG B 13,345 98 Paved parking & roofs 13,845 97 Weighted Average LeBeaux Station Type 1124-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 15 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.0 120 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment MH116: MH116 Runoff = 3.40 cfs @ 11.91 hrs, Volume= 0.168 af, Depth= 3.64" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" _ Area (sf) CN Description 1,120 61 >75% Grass cover, Good, HSG B 23,080 98 Paved parking & roofs 24,200 96 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.7 100 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment Pond: Pond Area Runoff = 2.74 cfs @ 11.89 hrs, Volume= 0.135 af, Depth= 3.86" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 10 Year Rainfall=4.10" Area (sf) CN Description 18,200 98 Pond Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.1 Direct Entry, Pond A: Roof Leader Inflow Area = 0.137 ac, Inflow Depth = 3.86" for 10 Year event Inflow = 0.89 cfs @ 11.90 hrs, Volume= 0.044 of Outflow = 0.89 cfs @ 11.90 hrs, Volume= 0.044 af, Atten= 0%, Lag= 0.0 min Primary = 0.89 cfs @ 11.90 hrs, Volume= 0.044 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.64' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 953.08' 15.0" x 70.0' long Culvert Ke= 0.200 LeBeaux Station Type 1124-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 16 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Outlet Invert= 952.88' S= 0.0029'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=0.87 cfs @ 11.90 hrs HW=953.63' (Free Discharge) L1=Culvert (Barrel Controls 0.87 cfs @ 2.5 fps) Pond B: Roof Leader Inflow Area = 0.203 ac, Inflow Depth = 3.86" for 10 Year event Inflow = 1.30 cfs @ 11.90 hrs, Volume= 0.065 of Outflow = 1.30 cfs @ 11.90 hrs, Volume= 0.065 af, Atten= 0%, Lag= 0.0 min Primary = 1.30 cfs @ 11.90 hrs, Volume= 0.065 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.53' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.85' 15.0" x 70.0' long Culvert Ke= 0.200 Outlet Invert= 952.65' S= 0.0029 '/' n= 0.013 Cc= 0.900 Primary OutFlow Max=1.29 cfs @ 11.90 hrs HW=953.53' (Free Discharge) L1=Culvert (Barrel Controls 1.29 cfs @ 2.7 fps) Pond C: Roof Leader Inflow Area = 0.098 ac, Inflow Depth = 3.86" for 10 Year event Inflow = 0.64 cfs @ 11.89 hrs, Volume= 0.031 of Outflow = 0.64 cfs @ 11.89 hrs, Volume= 0.031 af, Atten= 0%, Lag= 0.0 min Primary = 0.64 cfs @ 11.89 hrs, Volume= 0.031 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.99' @ 11.89 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 953.53' 15.0" x 38.0' long Culvert Ke= 0.200 Outlet Invert= 953.42' S= 0.0029'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=0.62 cfs @ 11.89 hrs HW=953.99' (Free Discharge) L1=Culvert (Barrel Controls 0.62 cfs @ 2.3 fps) Pond D: Roof Leader Inflow Area = 0.117 ac, Inflow Depth = 3.86" for 10 Year event Inflow = 0.75 cfs @ 11.90 hrs, Volume= 0.038 of Outflow = 0.75 cfs @ 11.90 hrs, Volume= 0.038 af, Atten= 0%, Lag= 0.0 min Primary = 0.75 cfs @ 11.90 hrs, Volume= 0.038 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 17 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Peak Elev= 953.23' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.71' 15.0" x 97.0' long Culvert Ke= 0.200 Outlet Invert= 952.44' S= 0.0028'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=0.74 cfs @ 11.90 hrs HW=953.22' (Free Discharge) t1=Culvert (Barrel Controls 0.74 cfs @ 2.3 fps) Pond E: Roof Leader Inflow Area = 0.118 ac, Inflow Depth = 3.86" for 10 Year event Inflow = 0.76 cfs @ 11.90 hrs, Volume= 0.038 of Outflow = 0.76 cfs @ 11.90 hrs, Volume= 0.038 af, Atten= 0%, Lag= 0.0 min Primary = 0.76 cfs @ 11.90 hrs, Volume= 0.038 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.25' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.73' 15.0" x 102.0' long Culvert Ke= 0.200 Outlet Invert= 952.44' S= 0.0028'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=0.75 cfs @ 11.90 hrs HW=953.25' (Free Discharge) t-1=Culvert (Barrel Controls 0.75 cfs @ 2.3 fps) Pond L1: L1 Inflow Area = 0.422 ac, Inflow Depth = 3.29" for 10 Year event Inflow = 2.31 cfs @ 11.91 hrs, Volume= 0.116 of Outflow = 2.31 cfs @ 11.91 hrs, Volume= 0.116 af, Atten= 0%, Lag= 0.0 min Primary = 2.31 cfs @ 11.91 hrs, Volume= 0.116 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.24' @ 11.91 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.40' 15.0" x 69.0' long Culvert Ke= 0.200 Outlet Invert= 952.00' S= 0.0058'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=2.24 cfs @ 11.91 hrs HW=953.22' (Free Discharge) L1=Culvert (Barrel Controls 2.24 cfs @ 3.7 fps) LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 18 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Pond L10: L10 Inflow Area = 0.184 ac, Inflow Depth = 3.40" for 10 Year event Inflow = 1.07 cfs @ 11.91 hrs, Volume= 0.052 of Outflow = 1.07 cfs @ 11.91 hrs, Volume= 0.052 af, Atten= 0%, Lag= 0.0 min Primary = 1.07 cfs @ 11.91 hrs, Volume= 0.052 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.04' @ 11.91 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 953.45' 18.0" x 142.0' long Culvert Ke= 0.200 Outlet Invert= 953.06' S= 0.0027'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=1.04 cfs @ 11.91 hrs HW=954.03' (Free Discharge) t1=Culvert (Barrel Controls 1.04 cfs @ 2.5 fps) Pond L11: L11 Inflow Area = 0.158 ac, Inflow Depth = 3.32" for 10 Year event Inflow = 0.90 cfs @ 11.92 hrs, Volume= 0.044 of Outflow = 0.90 cfs @ 11.92 hrs, Volume= 0.044 af, Atten= 0%, Lag= 0.0 min Primary = 0.90 cfs @ 11.92 hrs, Volume= 0.044 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.08' @ 11.92 hrs Plug-Flow detention time= 0.0 min calculated for 0.044 of (100% of inflow) Center-of-Mass det. time= 0.0 min (777.6 - 777.6 ) # Routing Invert Outlet Devices 1 Primary 953.53' 15.0" x 28.0' long Culvert Ke= 0.100 Outlet Invert= 953.45' S= 0.0029 '/' n= 0.013 Cc= 0.900 Primary OutFlow Max=0.87 cfs @ 11.92 hrs HW=954.07' (Free Discharge) L1=Culvert (Barrel Controls 0.87 cfs @ 2.6 fps) Pond L12: L12 Inflow Area = 0.962 ac, Inflow Depth = 3.48" for 10 Year event Inflow = 5.57 cfs @ 11.92 hrs, Volume= 0.279 of Outflow = 5.57 cfs @ 11.92 hrs, Volume= 0.279 af, Atten= 0%, Lag= 0.0 min Primary = 5.57 cfs @ 11.92 hrs, Volume= 0.279 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.00' @ 11.92 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 19 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 # Routing Invert Outlet Devices 1 Primary 952.54' 18.0" x 60.0' long Culvert Ke= 0.200 Outlet Invert= 952.38' S= 0.0027'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=5.40 cfs @ 11.92 hrs HW=953.97' (Free Discharge) L1=Culvert (Barrel Controls 5.40 cfs @ 4.0 fps) Pond L13: L13 Inflow Area = 0.654 ac, Inflow Depth = 3.70" for 10 Year event Inflow = 3.94 cfs @ 11.92 hrs, Volume= 0.202 of Outflow = 3.94 cfs @ 11.92 hrs, Volume= 0.202 af, Atten= 0%, Lag= 0.0 min Primary = 3.94 cfs @ 11.92 hrs, Volume= 0.202 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.05' @ 11.92 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) _ # Routing Invert Outlet Devices 1 Primary 952.73' 15.0" x 63.0' long Culvert Ke= 0.200 Outlet Invert= 952.54' S= 0.0030'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=3.82 cfs @ 11.92 hrs HW=954.02' (Free Discharge) t-1=Culvert (Barrel Controls 3.82 cfs @ 3.8 fps) Pond L14: L14 Inflow Area = 0.365 ac, Inflow Depth = 3.75" for 10 Year event Inflow = 2.23 cfs @ 11.91 hrs, Volume= 0.114 of Outflow = 2.23 cfs @ 11.91 hrs, Volume= 0.114 af, Atten= 0%, Lag= 0.0 min Primary = 2.23 cfs @ 11.91 hrs, Volume= 0.114 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.86' @ 11.91 hrs Plug-Flow detention time= 0.0 min calculated for 0.114 of (100% of inflow) Center-of-Mass det. time= 0.0 min (752.5 - 752.5 ) # Routing Invert Outlet Devices 1 Primary 952.93' 15.0" x 73.0' long Culvert Ke= 0.200 Outlet Invert= 952.73' S= 0.0027'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=2.17 cfs @ 11.91 hrs HW=953.84' (Free Discharge) t-1=Culvert (Barrel Controls 2.17 cfs @ 3.1 fps) LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 20 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Pond L15: L15 Inflow Area = 0.167 ac, Inflow Depth = 3.55" for 10 Year event Inflow = 1.03 cfs @ 11.90 hrs, Volume= 0.049 of Outflow = 1.03 cfs @ 11.90 hrs, Volume= 0.049 af, Atten= 0%, Lag= 0.0 min Primary = 1.03 cfs @ 11.90 hrs, Volume= 0.049 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.03' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices -- 1 Primary 953.42' 15.0" x 130.0' long Culvert Ke= 0.200 Outlet Invert= 953.06' S= 0.0028 '/' n= 0.013 Cc= 0.900 Primary OutFlow Max=1.02 cfs @ 11.90 hrs HW=954.03' (Free Discharge) L1=Culvert (Barrel Controls 1.02 cfs @ 2.5 fps) Pond L15A: L15A Inflow Area = 0.069 ac, Inflow Depth = 3.11" for 10 Year event Inflow = 0.40 cfs @ 11.90 hrs, Volume= 0.018 of Outflow = 0.40 cfs @ 11.90 hrs, Volume= 0.018 af, Atten= 0%, Lag= 0.0 min Primary = 0.40 cfs @ 11.90 hrs, Volume= 0.018 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.97' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices ___ ___ 1 Primary 953.60' 15.0" x 64.0' long Culvert Ke= 0.200 Outlet Invert= 953.42' S= 0.0028'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=0.39 cfs @ 11.90 hrs HW=953.97' (Free Discharge) L1=Culvert (Barrel Controls 0.39 cfs @ 1.9 fps) Pond L16: L16 Inflow Area = 0.034 ac, Inflow Depth = 3.11" for 10 Year event Inflow = 0.20 cfs @ 11.90 hrs, Volume= 0.009 of Outflow = 0.20 cfs @ 11.90 hrs, Volume= 0.009 af, Atten= 0%, Lag= 0.0 min Primary = 0.20 cfs @ 11.90 hrs, Volume= 0.009 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.93' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 21 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 # Routing Invert Outlet Devices 1 Primary 953.67' 15.0" x 23.0' long Culvert Ke= 0.200 Outlet Invert= 953.60' S= 0.0030'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=0.20 cfs @ 11.90 hrs HW=953.93' (Free Discharge) L1=Culvert (Barrel Controls 0.20 cfs @ 1.7 fps) Pond L17: L17 Inflow Area = 0.062 ac, Inflow Depth = 3.11" for 10 Year event Inflow = 0.36 cfs @ 11.90 hrs, Volume= 0.016 of Outflow = 0.36 cfs @ 11.90 hrs, Volume= 0.016 af, Atten= 0%, Lag= 0.0 min Primary = 0.36 cfs @ 11.90 hrs, Volume= 0.016 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.57' @ 11.90 hrs Plug-Flow detention time= (not calculated) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 953.29' 15.0" x 23.0' long Culvert Ke= 0.200 Outlet Invert= 953.06' S= 0.0100'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=0.35 cfs @ 11.90 hrs HW=953.57' (Free Discharge) L1=Culvert (Barrel Controls 0.35 cfs @ 2.6 fps) Pond L2: L2 Inflow Area = 0.275 ac, Inflow Depth = 3.86" for 10 Year event Inflow = 1.70 cfs @ 11.91 hrs, Volume= 0.089 of Outflow = 1.70 cfs @ 11.91 hrs, Volume= 0.089 af, Atten= 0%, Lag= 0.0 min Primary = 1.70 cfs @ 11.91 hrs, Volume= 0.089 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.59' @ 11.91 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.93' 15.0" x 66.0' long Culvert Ke= 0.200 Outlet Invert= 952.40' S= 0.0080'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=1.65 cfs @ 11.91 hrs HW=953.58' (Free Discharge) t-1=Culvert (Barrel Controls 1.65 cfs @ 3.8 fps) LeBeaux Station Type 1124-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 22 ~droCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Pond L20: L20 Inflow Area = 1.248 ac, Inflow Depth = 3.64" for 10 Year event Inflow = 7.63 cfs @ 11.90 hrs, Volume= 0.379 of Outflow = 7.63 cfs @ 11.90 hrs, Volume= 0.379 af, Atten= 0%, Lag= 0.0 min Primary = 7.63 cfs @ 11.90 hrs, Volume= 0.379 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.63' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.06' 21.0" x 24.0' long Culvert Ke= 0.200 Outlet Invert= 952.00' S= 0.0025 '/' n= 0.013 Cc= 0.900 Primary OutFlow Max=7.52 cfs @ 11.90 hrs HW=953.62' (Free Discharge) L1=Culvert (Barrel Controls 7.52 cfs @ 4.4 fps) Pond L21: L21 Inflow Area = 0.930 ac, Inflow Depth = 3.60" for 10 Year event Inflow = 5.69 cfs @ 11.90 hrs, Volume= 0.279 of Outflow = 5.69 cfs @ 11.90 hrs, Volume= 0.279 af, Atten= 0%, Lag= 0.0 min Primary = 5.69 cfs @ 11.90 hrs, Volume= 0.279 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.94' @ 11.90 hrs Plug-Flow detention time= 0.0 min calculated for 0.279 of (100% of inflow) Center-of-Mass det. time= 0.0 min (758.9 - 758.9 ) # Routing Invert Outlet Devices 1 Primary 952.44' 18.0" x 127.0' long Culvert Ke= 0.200 Outlet Invert= 952.06' S= 0.0030'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=5.64 cfs @ 11.90 hrs HW=953.93' (Free Discharge) L1=Culvert (Barrel Controls 5.64 cfs @ 4.0 fps) Pond L22: L22 Inflow Area = 0.140 ac, Inflow Depth = 3.01" for 10 Year event Inflow = 0.79 cfs @ 11.90 hrs, Volume= 0.035 of Outflow = 0.79 cfs @ 11.90 hrs, Volume= 0.035 af, Atten= 0%, Lag= 0.0 min Primary = 0.79 cfs @ 11.90 hrs, Volume= 0.035 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.33' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) LeBeaux Station Type 1124-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 23 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4J18/2005 # Routing Invert Outlet Devices 1 Primary 952.80' 15.0" x 127.0' long Culvert Ke= 0.200 Outlet Invert= 952.44' S= 0.0028'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=0.78 cfs @ 11.90 hrs HW=953.33' (Free Discharge) L1=Culvert (Barrel Controls 0.78 cfs @ 2.3 fps) Pond L5: L5 Inflow Area = 2.551 ac, Inflow Depth = 3.42" for 10 Year event Inflow = 14.65 cfs @ 11.91 hrs, Volume= 0.728 of Outflow = 14.65 cfs @ 11.91 hrs, Volume= 0.728 af, Atten= 0%, Lag= 0.0 min Primary = 14.65 cfs @ 11.91 hrs, Volume= 0.728 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.29' @ 11.91 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices __ 1 Primary 952.08' 24.0" x 28.0' long Culvert Ke= 0.200 Outlet Invert= 952.00' S= 0.0029'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=14.33 cfs @ 11.91 hrs HW=954.25' (Free Discharge) L1=Culvert (Barrel Controls 14.33 cfs @ 5.2 fps) Pond L6: L6 Inflow Area = 2.551 ac, Inflow Depth = 3.42" for 10 Year event Inflow = 14.65 cfs @ 11.91 hrs, Volume= 0.728 of Outflow = 14.65 cfs @ 11.91 hrs, Volume= 0.728 af, Atten= 0%, Lag= 0.0 min Primary = 14.65 cfs @ 11.91 hrs, Volume= 0.728 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.68' @ 11.91 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.38' 24.0" x 102.0' long Culvert Ke= 0.200 Outlet Invert= 952.08' S= 0.0029'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=14.34 cfs @ 11.91 hrs HW=954.64' (Free Discharge) t1=Culvert (Barrel Controls 14.34 cfs @ 5.1 fps) LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 24 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Pond L7: L7 Inflow Area = 1.355 ac, Inflow Depth = 3.68" for 10 Year event Inflow = 8.37 cfs @ 11.90 hrs, Volume= 0.415 of Outflow = 8.37 cfs @ 11.90 hrs, Volume= 0.415 af, Atten= 0%, Lag= 0.0 min Primary = 8.37 cfs @ 11.90 hrs, Volume= 0.415 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.40' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) _ # Routing Invert Outlet Devices 1 Primary 952.65' 21.0" x 105.0' long Culvert Ke= 0.200 Outlet Invert= 952.38' S= 0.0026'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=8.32 cfs @ 11.90 hrs HW=954.39' (Free Discharge) L1=Culvert (Barrel Controls 8.32 cfs @ 4.3 fps) Pond L8: L8 Inflow Area = 0.888 ac, Inflow Depth = 3.58" for 10 Year event Inflow = 5.41 cfs @ 11.90 hrs, Volume= 0.265 of Outflow = 5.41 cfs @ 11.90 hrs, Volume= 0.265 af, Atten= 0%, Lag= 0.0 min Primary = 5.41 cfs @ 11.90 hrs, Volume= 0.265 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.41' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) _ # Routing Invert Outlet Devices 1 Primary 952.88' 18.0" x 117.0' long Culvert Ke= 0.200 Outlet Invert= 952.65' S= 0.0020 '/' n= 0.013 Cc= 0.900 Primary OutFlow Max=5.38 cfs @ 11.90 hrs HW=954.41' (Free Discharge) L1=Culvert (Barrel Controls 5.38 cfs @ 3.7 fps) Pond L9: L9 Inflow Area = 0.475 ac, Inflow Depth = 3.39" for 10 Year event Inflow = 2.81 cfs @ 11.90 hrs, Volume= 0.134 of Outflow = 2.81 cfs @ 11.90 hrs, Volume= 0.134 af, Atten= 0%, Lag= 0.0 min Primary = 2.81 cfs @ 11.90 hrs, Volume= 0.134 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.12' @ 11.90 hrs Plug-Flow detention time= 0.0 min calculated for 0.134 of (100% of inflow) Center-of-Mass det. time= (not calculated: outflow precedes inflow) LeBeaux Station Type 11 24-hr 10 Year Rainfall=4.10" Prepared by John Oliver & Associates- Ross D. Abel PE Page 25 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 # Routing Invert Outlet Devices 1 Primary 953.06' 15.0" x 64.0' long Culvert Ke= 0.200 Outlet Invert= 952.88' S= 0.0028'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=2.77 cfs @ 11.90 hrs HW=954.11' (Free Discharge) L1=Culvert (Barrel Controls 2.77 cfs @ 3.4 fps) Pond P: Pond 5~2. ~,e.~,~S~ In w Area = 4.640 ac, Inflow Depth = 3.51" for 10 Year event ~v`~W~'C~~ Inflo = 27.22 cfs @ 11.90 hrs, Volume= 1.357 of eay~~~'~ Outflow = 11.66 cfs @ 12.00 hrs, Volume= 1.357 af, Atten= /°, Lag= 5.9 min Primary = 11.66 cfs @ 12.00 hrs, Volume= 1.357 of Routing by Stor-Ind ethod, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Starting Elev= 952.00' urf.Area= 3,145 sf Storage= 4,992 cf Peak Elev= 954.63' @ 12. hrs Surf.Area= 7,827 sf Storage= ,086 cf (14,094 cf above start) Plug-Flow detention time= 1 9 min calculated for 1.242 of (92° of inflow) Center-of-Mass det. time= 27.8 'n (786.5 - 758.8 ) # Invert Avail.Stora 1 950.00' 53,402 cf C Descri Stage (Conic) Listed below Elevation feet Surf.Area s -ft Inc.Store cubic-feet Cum.Store cubic-feet Wet.Area s -ft 950.00 1, 899 0 1, 899 952.00 3,145 4 92 4, 992 3,194 953.00 3, 913 , 522 8, 514 3, 990 954.00 6,913 5,342 1 56 7,001 956.00 9, 824 16, 652 30, 8 9, 983 958.00 13,150 22,893 53,40 13,395 # Routin Inve Outlet Devices 1 Primary 95 18.0" Vert. Orifice/Grate C= 0.600 Primary OutFlo ax=11.64 cfs @ 12.00 hrs HW=954.62' (Free Disch t1=Orifice/ ate (Orifice Controls 11.64 cfs @ 6.6 fps) LeBeaux Station Type 1124-hr 10 Year Rainfall=4.10" Prepared by {enter your company name here} Page 1 HydroCAD® 7.00 sIn 002022 ©1986-2003 Applied Microcomputer Systems 4/20/2005 Pond P: Pond Inflow Area = 4.640 ac, Inflow Depth = 3.51" for 10 Year event Inflow = 27.22 cfs.@ 11.90 hrs, Volume= 1.357 of Outflow - 10.25 cfs @ 12.01 hrs, Volume= 1.355 af, Atten= 62%, Lag= 6.3 min Primary = 10.25 cfs @ 12.01 hrs, Volume= 1.355 of Routing by Star-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Starting Elev= 952.00' Surf.Area= 7,075 sf Storage= 15,693 cf Peak ~lev= 954.20' @ 12.01 hrs SurF.Area= 9,894 sf Storage= 34,514 cf (18,821 cf above start) Plug-Flow detention time= 221.7 min calculated for 0.994 of (73% of inflow) Center-of-Mass det. time= 62.4 min (821.2 - 758.8 ) # Invert AvaiLStorage Storage Description __ _. ____,., -- _- -- 1 947.00' 54,272 cf Custom Stage Data (Conic) Listed below Elevafion Surf.Area Inc.Store Cum.Store Wet.Area (feet) (sq-ft) (cubic-feet) (cubic-feet) (sq-ft) 947.00 0 0 0 0 948.00 1,909 636 636 1,911 950.00 3,191 5,045 5,682 3,241 952.00 7,075 10,012 15,693. 7,157 954.00 9,617 16,627 32,320 9,779 956.00 12,393 21,951 54,272 12,653 # Routing Invert Outlet Devices 1 Primary 952.00' 18.0" Vert. Orifice/Grate C= 0.600 Primary OutFlow Max=10.20 cfs @ 12.01 hrs HW=954.19' (Free Discharge) t-1=Orifice/Grate (Orifice Controls 10.20 cfs @ 5.8 fps) LeBeaux Station Type 11 24-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 26 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Time span=0.00-48.00 hrs, dt=0.05 hrs, 961 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Stor-Ind+Trans method -Pond routing by Stor-Ind method Subcatchment 2S: MH 100 Runoff Area=6,400 sf Runoff Depth=3.70" Flow Length=120' Tc=2.0 min CN=81 Runoff=1.01 cfs 0.045 of Subcatchment 3S: CB101 Runoff Area=12,000 sf Runoff Depth=5.56" Flow Length=120' Tc=2.0 min CN=98 Runoff=2.41 cfs 0.128 of Subcatchment BLDG A: BLDG A Runoff Area=5,980 sf Runoff Depth=5.56" Flow Length=60' Tc=0.9 min CN=98 Runoff=1.26 cfs 0.064 of Subcatchment BLDG B: BLDG B Runoff Area=8,840 sf Runoff Depth=5.56" Flow Length=80' Tc=1.1 min CN=98 Runoff=1.85 cfs 0.094 of Subcatchment BLDG C: BLDG C Runoff Area=4,260 sf Runoff Depth=5.56" Flow Length=50' Tc=0.8 min CN=98 Runoff=0.90 cfs 0.045 of Subcatchment BLDG D: BLDG D Runoff Area=5,076 sf Runoff Depth=5.56" Flow Length=60' Tc=0.9 min CN=98 Runoff=1.07 cfs 0.054 of Subcatchment BLDG E: BLDG E Runoff Area=5,124 sf Runoff Depth=5.56" Flow Length=60' Tc=0.9 min CN=98 Runoff=1.08 cfs 0.055 of Subcatchment CB 117: CB 117 Runoff Area=6,120 sf Runoff Depth=4.65" Flow Length=60' Tc=1.2 min CN=90 Runoff=1.18 cfs 0.054 of Subcatchment CB108: CB 108 Runoff Area=6,880 sf Runoff Depth=4.99" Flow Length=160' Tc=2.2 min CN=93 Runoff=1.32 cfs 0.066 of Subcatchment CB111: CB111 Runoff Area=15,885 sf Runoff Depth=5.44" Flow Length=120' Tc=2.0 min CN=97 Runoff=3.18 cfs 0.165 of Subcatchment C6113: CB 113 Runoff Area=1,500 sf Runoff Depth=4.76" Flow Length=100' Tc=1.2 min CN=91 Runoff=0.29 cfs 0.014 of Subcatchment CB114: CB 114 Runoff Area=2,700 sf Runoff Depth=4.76" Flow Length=80' Tc=1.2 min CN=91 Runoff=0.53 cfs 0.025 of Subcatchment CB119: CB 119 Runoff Area=10,865 sf Runoff Depth=4.43" Flow Length=115' Tc=1.9 min CN=88 Runoff=1.97 cfs 0.092 of Subcatchment C6120: CB 120 Runoff Area=8,900 sf Runoff Depth=4.65" Flow Length=120' Tc=2.0 min CN=90 Runoff=1.66 cfs 0.079 of Subcatchment LACHMEN: Lachmen Ave Runoff Area=15,000 sf Runoff Depth=3.70" Flow Length=120' Tc=5.6 min CN=81 Runoff=2.18 cfs 0.106 of LeBeaux Station Type 1124-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 27 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Subcatchment MH102: MH 102 Runoff Area=2 sf Runoff Depth=3.60" Tc=0.0 min CN=80 Runoff=0.00 cfs 0.000 of Subcatchment MH103: MH 103 Runoff Area=10,200 sf Runoff Depth=3.11" Flow Length=120' Tc=2.0 min CN=75 Runoff=1.38 cfs 0.061 of Subcatchment MH104: MH 104 Runoff Area=11,500 sf Runoff Depth=5.56" Flow Length=90' Tc=1.6 min CN=98 Runoff=2.35 cfs 0.122 of Subcatchment MH105: MH 105 Runoff Area=12,000 sf Runoff Depth=5.44" Flow Length=80' Tc=1.5 min CN=97 Runoff=2.45 cfs 0.125 of Subcatchment MH106: MH 106 Runoff Area=2,700 sf Runoff Depth=4.87" Flow Length=80' Tc=1.2 min CN=92 Runoff=0.54 cfs 0.025 of Subcatchment MH107: MH 107 Runoff Area=1,150 sf Runoff Depth=5.56" Flow Length=80' Tc=1.3 min CN=98 Runoff=0.24 cfs 0.012 of Subcatchment MH109: MH109 Runoff Area=13,440 sf Runoff Depth=4.65" Flow Length=160' Tc=2.5 min CN=90 Runoff=2.53 cfs 0.120 of Subcatchment MH110: MH 110 Runoff Area=12,600 sf Runoff Depth=5.33" Flow Length=160' Tc=2.5 min CN=96 Runoff=2.46 cfs 0.128 of Subcatchment MH112: MH112 Runoff Area=1,500 sf Runoff Depth=4.76" Flow Length=100' Tc=1.2 min CN=91 Runoff=0.29 cfs 0.014 of Subcatchment MH115: MH115 Runoff Area=13,845 sf Runoff Depth=5.44" Flow Length=120' Tc=2.0 min CN=97 Runoff=2.77 cfs 0.144 of Subcatchment MH116: MH116 Runoff Area=24,200 sf Runoff Depth=5.33" Flow Length=100' Tc=1.7 min CN=96 Runoff=4.87 cfs 0.247 of Subcatchment Pond: Pond Area Runoff Area=18,200 sf Runoff Depth=5.56" Tc=0.1 min CN=98 Runoff=3.89 cfs 0.194 of Pond A: Roof Leader Peak Elev=953.75' Inflow=1.26 cfs 0.064 of 15.0" x 70.0' Culvert Outflow=1.26 cfs 0.064 of Pond B: Roof Leader Peak Elev=953.68' Inflow=1.85 cfs 0.094 of 15.0" x 70.0' Culvert Outflow=1.85 cfs 0.094 of Pond C: Roof Leader Peak Elev=954.08' Inflow=0.90 cfs 0.045 of 15.0" x 38.0' Culvert Outflow=0.90 cfs 0.045 of Pond D: Roof Leader Peak Elev=953.33' Inflow=1.07 cfs 0.054 of 15.0" x 97.0' Culvert Outflow=1.07 cfs 0.054 of LeBeaux Station Type 11 24-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 28 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Pond E: Roof Leader Peak Elev=953.35' Inflow=1.08 cfs 0.055 of 15.0" x 102.0' Culvert Outflow=1.08 cfs 0.055 of Pond L1: L1 Peak Elev=953.47' Inflow=3.41 cfs 0.173 of 15.0" x 69.0' Culvert Outflow=3.41 cfs 0.173 of Pond L10: L10 Peak Elev=954.16' Inflow=1.55 cfs 0.078 of 18.0" x 142.0' Culvert Outflow=1.55 cfs 0.078 of Pond L11: L11 Peak EIev=954.20' Inflow=1.32 cfs 0.066 of 15.0" x 28.0' Culvert Outflow=1.32 cfs 0.066 of Pond L12: L12 Peak Elev=954.63' Inflow=8.08 cfs 0.413 of 18.0" x 60.0' Culvert Outflow=8.08 cfs 0.413 of Pond L13: L13 Peak Elev=954.67' Inflow=5.63 cfs 0.294 of 15.0" x 63.0' Culvert Outflow=5.63 cfs 0.294 of Pond L14: L14 Peak EIev=954.08' Inflow=3.18 cfs 0.165 of 15.0" x 73.0' Culvert Outflow=3.18 cfs 0.165 of Pond L15: L15 Peak Elev=954.17' Inflow=1.49 cfs 0.073 of 15.0" x 130.0' Culvert Outflow=1.49 cfs 0.073 of Pond L15A: L15A Peak EIev=954.05' Inflow=0.59 cfs 0.027 of 15.0" x 64.0' Culvert Outflow=0.59 cfs 0.027 of Pond L16: L16 Peak Elev=953.98' Inflow=0.29 cfs 0.014 of 15.0" x 23.0' Culvert Outflow=0.29 cfs 0.014 of Pond L17: L17 Peak Elev=953.64' Inflow=0.53 cfs 0.025 of 15.0" x 23.0' Culvert Outflow=0.53 cfs 0.025 of Pond L2: L2 Peak Elev=953.73' Inflow=2.41 cfs 0.128 of 15.0" x 66.0' Culvert Outflow=2.41 cfs 0.128 of Pond L20: L20 Peak EIev=954.08' Inflow=10.95 cfs 0.554 of 21.0" x 24.0' Culvert Outflow=10.95 cfs 0.554 of Pond L21: L21 Peak Elev=954.74' Inflow=8.19 cfs 0.410 of 18.0" x 127.0' Culvert Outflow=8.19 cfs 0.410 of Pond L22: L22 Peak EIev=953.46' Inflow=1.18 cfs 0.054 of 15.0" x 127.0' Culvert Outflow=1.18 cfs 0.054 of Pond L5: L5 Peak Elev=955.12' Inflow=21.36 cfs 1.080 of 24.0" x 28.0' Culvert Outflow=21.36 cfs 1.080 of LeBeaux Station Type 1124-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 29 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Pond L6: L6 Peak Elev=955.85' Inflow=21.36 cfs 1.080 of 24.0" x 102.0' Culvert Outflow=21.36 cfs 1.080 of Pond L7: L7 Peak Elev=955.20' Inflow=12.00 cfs 0.605 of 21.0" x 105.0' Culvert Outflow=12.00 cfs 0.605 of Pond L8: L8 Peak Elev=955.16' Inflow=7.80 cfs 0.389 of 18.0" x 117.0' Culvert Outflow=7.80 cfs 0.389 of Pond L9: L9 Peak Elev=954.43' Inflow=4.09 cfs 0.200 of 15.0" x 64.0' Culvert Outflow=4.09 cfs 0.200 of Pond P: Pond Peak Elev=955.59' Storage=27,117 cf Inflow=39.48 cfs 2.000 of Outflow=14.35 cfs 2.000 of Total Runoff Area = 5.438 ac Runoff Volume = 2.278 of Average Runoff Depth = 5.03" LeBeaux Station Type 11 24-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 30 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Subcatchment 2S: MH 100 Runoff = 1.01 cfs @ 11.92 hrs, Volume= 0.045 af, Depth= 3.70" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sfl CN Description 2,880 61 >75% Grass cover, Good, HSG B 3,520 98 Paved roads w/curbs & sewers 6,400 81 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.0 120 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment 3S: CB101 Runoff = 2.41 cfs @ 11.91 hrs, Volume= 0.128 af, Depth= 5.56" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sfl CN Description 12,000 98 Paved parking & roofs Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.0 120 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment BLDG A: BLDG A Runoff = 1.26 cfs @ 11.90 hrs, Volume= 0.064 af, Depth= 5.56" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sfl CN Description 5,980 98 Paved parking & roofs Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.9 60 0.0100 1.1 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" LeBeaux Station Type 11 24-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 31 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Subcatchment BLDG B: BLDG B Runoff = 1.85 cfs @ 11.90 hrs, Volume= 0.094 af, Depth= 5.56" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sf) CN Description 8,840 98 Paved parking & roofs Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.1 80 0.0100 1.2 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment BLDG C: BLDG C Runoff = 0.90 cfs @ 11.89 hrs, Volume= 0.045 af, Depth= 5.56" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sf) CN Description 4,260 98 Paved parking & roofs Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.8 50 0.0100 1.1 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment BLDG D: BLDG D Runoff = 1.07 cfs @ 11.90 hrs, Volume= 0.054 af, Depth= 5.56" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sf) CN Description 5,076 98 Paved parking & roofs Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.9 60 0.0100 1.1 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" LeBeaux Station Type 11 24-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 32 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Subcatchment BLDG E: BLDG E Runoff = 1.08 cfs @ 11.90 hrs, Volume= 0.055 af, Depth= 5.56" Runoff by SCS. TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sf) CN Description 5,124 98 Paved parking & roofs Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.9 60 0.0100 1.1 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment CB 117: CB 117 Runoff = 1.18 cfs @ 11.90 hrs, Volume= 0.054 af, Depth= 4.65" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sf) CN Description 1,320 61 >75% Grass cover, Good, HSG B 4,800 98 Paved parking & roofs 6,120 90 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.2 60 0.0050 0.9 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment CB108: CB 108 Runoff = 1.32 cfs @ 11.92 hrs, Volume= 0.066 af, Depth= 4.99" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sf) CN Description 850 61 >75% Grass cover, Good, HSG B 6,030 98 Paved roads w/curbs & sewers 6,880 93 Weighted Average .~ LeBeaux Station Type 1124-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 33 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.7 30 0.0050 0.8 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" 1.5 130 0.0050 1.4 Shallow Concentrated Flow, Paved Kv= 20.3 fps 2.2 160 Total Subcatchment CB111: CB111 Runoff = 3.18 cfs @ 11.91 hrs, Volume= 0.165 af, Depth= 5.44" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sf) CN Description 400 61 >75% Grass cover, Good, HSG B 15,485 98 Paved parking & roofs 15,885 97 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.0 120 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment CB113: CB 113 Runoff = 0.29 cfs @ 11.90 hrs, Volume= 0.014 af, Depth= 4.76" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sfl CN Description 300 61 >75% Grass cover, Good, HSG B 1,200 98 Paved roads w/curbs & sewers 1,500 91 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.2 100 0.0050 1.4 Shallow Concentrated Flow, Paved Kv= 20.3 fps Subcatchment CB114: CB 114 Runoff = 0.53 cfs @ 11.90 hrs, Volume= 0.025 af, Depth= 4.76" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" LeBeaux Station Type 11 24-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 34 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Area (sf) CN Description 510 61 >75% Grass cover, Good, HSG B 2,190 98 Paved roads w/curbs & sewers 2,700 91 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.5 20 0.0050 0.7 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" 0.7 60 0.0050 1.4 Shallow Concentrated Flow, Paved Kv= 20.3 fps 1.2 80 Total Subcatchment CB119: CB 119 Runoff = 1.97 cfs @ 11.91 hrs, Volume= 0.092 af, Depth= 4.43" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sfl CN Description 3,060 61 >75% Grass cover, Good, HSG B 7,805 98 Paved parking & roofs 10,865 88 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.9 115 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment CB120: CB 120 Runoff = 1.66 cfs @ 11.91 hrs, Volume= 0.079 af, Depth= 4.65" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sf) CN Description 1,920 61 >75% Grass cover, Good, HSG B 6,980 98 Paved parking & roofs 8,900 90 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.0 120 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" LeBeaux Station Type II 24-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 35 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Subcatchment LACHMEN: Lachmen Ave Runoff = 2.18 cfs @ 11.96 hrs, Volume= 0.106 af, Depth= 3.70" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sfl CN Descriotion 2,400 61 >75% Grass cover, Good, HSG B 4,040 98 Paved parking & roofs 4,400 61 >75% Grass cover, Good, HSG B 4,160 98 Paved parking & roofs 15,000 81 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.9 20 0.0050 0.1 Sheet Flow, Grass: Short n= 0.150 P2= 4.70" 1.7 100 0.0050 1.0 Sheet Flow, Smooth surtaces n= 0.011 P2= 4.70" 5.6 120 Total Subcatchment MH102: MH 102 Runoff = 0.00 cfs @ 11.89 hrs, Volume= 0.000 af, Depth= 3.60" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sf) CN Description 1 61 >75% Grass cover, Good, HSG B 1 98 Paved parking & roofs 2 80 Weighted Average Subcatchment MH103: MH 103 Runoff = 1.38 cfs @ 11.92 hrs, Volume= 0.061 af, Depth= 3.11" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sf) CN Description 6,400 61 >75% Grass cover, Good, HSG B 3,800 98 Paved roads w/curbs & sewers 10,200 75 Weighted Average LeBeaux Station Type 11 24-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 36 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.0 120 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment MH104: MH 104 Runoff = 2.35 cfs @ 11.90 hrs, Volume= 0.122 af, Depth= 5.56" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sfl CN Description 100 61 >75% Grass cover, Good, HSG B 11,400 98 Paved roads w/curbs & sewers 11,500 98 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.6 90 0.0050 0.9 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment MH105: MH 105 Runoff = 2.45 cfs @ 11.90 hrs, Volume= 0.125 af, Depth= 5.44" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sfl CN Description 200 61 >75% Grass cover, Good, HSG B 11,800 98 Paved roads w/curbs & sewers 12,000 97 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.5 80 0.0050 0.9 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment MH106: MH 106 Runoff = 0.54 cfs @ 11.90 hrs, Volume= 0.025 af, Depth= 4.87" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sfl CN Description 410 61 >75% Grass cover, Good, HSG B 2,290 98 Paved roads w/curbs & sewers 2,700 92 Weighted Average LeBeaux Station Type 11 24-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 37 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.5 20 0.0050 0.7 Sheet Flow, Smooth surtaces n= 0.011 P2= 4.70" 0.7 60 0.0050 1.4 Shallow Concentrated Flow, Paved Kv= 20.3 fps 1.2 80 Total Subcatchment MH107: MH 107 Runoff = 0.24 cfs @ 11.90 hrs, Volume= 0.012 af, Depth= 5.56" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sf) CN Description 1,150 98 Paved roads w/curbs & sewers Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.8 40 0.0050 0.8 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" 0.5 40 0.0050 1.4 Shallow Concentrated Flow, Paved Kv= 20.3 fps 1.3 80 Total Subcatchment MH109: MH109 Runoff = 2.53 cfs @ 11.93 hrs, Volume= 0.120 af, Depth= 4.65" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sfl CN Description 2,880 61 >75% Grass cover, Good, HSG B 10,560 98 Paved parkinq & roofs 13,440 90 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.5 160 0.0050 1.1 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" LeBeaux Station Type 1124-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 38 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Subcatchment MH110: MH 110 Runoff = 2.46 cfs @ 11.92 hrs, Volume= 0.128 af, Depth= 5.33" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sfl CN Description 800 61 >75% Grass cover, Good, HSG B 11,800 98 Paved parking & roofs 12,600 96 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ftZ (ft/sec) (cfs) 2.5 160 0.0050 1.1 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment MH112: MH112 Runoff = 0.29 cfs @ 11.90 hrs, Volume= 0.014 af, Depth= 4.76" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sfl CN Description 300 61 >75% Grass cover, Good, HSG B 1,200 98 Paved parking & roofs 1,500 91 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.2 100 0.0050 1.4 Shallow Concentrated Flow, Paved Kv= 20.3 fps Subcatchment MH115: MH115 Runoff = 2.77 cfs @ 11.91 hrs, Volume= 0.144 af, Depth= 5.44" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sfl CN Description 500 61 >75% Grass cover, Good, HSG B 13,345 98 Paved parking & roofs 13,845 97 Weighted Average LeBeaux Station Type 11 24-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 39 HydroCAD®7 00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 2.0 120 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment MH116: MH116 Runoff = 4.87 cfs @ 11.91 hrs, Volume= 0.247 af, Depth= 5.33" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sf) CN Description 1,120 61 >75% Grass cover, Good, HSG B 23,080 98 Paved parking & roofs 24,200 96 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.7 100 0.0050 1.0 Sheet Flow, Smooth surfaces n= 0.011 P2= 4.70" Subcatchment Pond: Pond Area Runoff = 3.89 cfs @ 11.89 hrs, Volume= 0.194 af, Depth= 5.56" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Type II 24-hr 100 Year Rainfall=5.80" Area (sf) CN Description 18,200 98 Pond Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.1 Direct Entry, Pond A: Roof Leader Inflow Area = 0.137 ac, Inflow Depth = 5.56" for 100 Year event Inflow = 1.26 cfs @ 11.90 hrs, Volume= 0.064 of Outflow = 1.26 cfs @ 11.90 hrs, Volume= 0.064 af, Atten= 0%, Lag= 0.0 min Primary = 1.26 cfs @ 11.90 hrs, Volume= 0.064 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.75' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 953.08' 15.0" x 70.0' long Culvert Ke= 0.200 LeBeaux Station Type 1124-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 40 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Outlet Invert= 952.88' S= 0.0029'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=1.24 cfs @ 11.90 hrs HW=953.75' (Free Discharge) L1=Culvert (Barrel Controls 1.24 cfs @ 2.7 fps) Pond B: Roof Leader Inflow Area = 0.203 ac, Inflow Depth = 5.56" for 100 Year event Inflow = 1.85 cfs @ 11.90 hrs, Volume= 0.094 of Outflow = 1.85 cfs @ 11.90 hrs, Volume= 0.094 af, Atten= 0%, Lag= 0.0 min Primary = 1.85 cfs @ 11.90 hrs, Volume= 0.094 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.68' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.85' 15.0" x 70.0' long Culvert Ke= 0.200 Outlet Invert= 952.65' S= 0.0029'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=1.83 cfs @ 11.90 hrs HW=953.67' (Free Discharge) L1=Culvert (Barrel Controls 1.83 cfs @ 3.0 fps) Pond C: Roof Leader Inflow Area = 0.098 ac, Inflow Depth = 5.56" for 100 Year event Inflow = 0.90 cfs @ 11.89 hrs, Volume= 0.045 of Outflow = 0.90 cfs @ 11.89 hrs, Volume= 0.045 af, Atten= 0%, Lag= 0.0 min Primary = 0.90 cfs @ 11.89 hrs, Volume= 0.045 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.08' @ 11.89 hrs Plug-Flow detention time= 0.0 min calculated for 0.045 of (100% of inflow) Center-of-Mass det. time= 0.0 min (736.7 - 736.7 ) # Routing Invert Outlet Devices 1 Primary 953.53' 15.0" x 38.0' long Culvert Ke= 0.200 Outlet Invert= 953.42' S= 0.0029'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=0.88 cfs @ 11.89 hrs HW=954.08' (Free Discharge) t--1=Culvert (Barrel Controls 0.88 cfs @ 2.5 fps) Pond D: Roof Leader Inflow Area = 0.117 ac, Inflow Depth = 5.56" for 100 Year event Inflow = 1.07 cfs @ 11.90 hrs, Volume= 0.054 of Outflow = 1.07 cfs @ 11.90 hrs, Volume= 0.054 af, Atten= 0%, Lag= 0.0 min Primary = 1.07 cfs @ 11.90 hrs, Volume= 0.054 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs LeBeaux Station Type 1124-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 41 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Peak Elev= 953.33' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.71' 15.0" x 97.0' long Culvert Ke= 0.200 Outlet Invert= 952.44' S= 0.0028'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=1.05 cfs @ 11.90 hrs HW=953.33' (Free Discharge) L1=Culvert (Barrel Controls 1.05 cfs @ 2.5 fps) Pond E: Roof Leader Inflow Area = 0.118 ac, Inflow Depth = 5.56" for 100 Year event Inflow = 1.08 cfs @ 11.90 hrs, Volume= 0.055 of Outflow = 1.08 cfs @ 11.90 hrs, Volume= 0.055 af, Atten= 0%, Lag= 0.0 min Primary = 1.08 cfs @ 11.90 hrs, Volume= 0.055 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.35' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.73' 15.0" x 102.0' long Culvert Ke= 0.200 Outlet Invert= 952.44' S= 0.0028'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=1.06 cfs @ 11.90 hrs HW=953.35' (Free Discharge) t-1=Culvert (Barrel Controls 1.06 cfs @ 2.6 fps) Pond L1: L1 Inflow Area = 0.422 ac, Inflow Depth = 4.92" for 100 Year event Inflow = 3.41 cfs @ 11.91 hrs, Volume= 0.173 of Outflow = 3.41 cfs @ 11.91 hrs, Volume= 0.173 af, Atten= 0%, Lag= 0.0 min Primary = 3.41 cfs @ 11.91 hrs, Volume= 0.173 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.47' @ 11.91 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.40' 15.0" x 69.0' long Culvert Ke= 0.200 Outlet Invert= 952.00' S= 0.0058'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=3.32 cfs @ 11.91 hrs HW=953.45' (Free Discharge) L1=Culvert (Barrel Controls 3.32 cfs @ 4.1 fps) LeBeaux Station Type 11 24-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 42 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Pond L10: L10 Inflow Area = 0.184 ac, Inflow Depth = 5.07" for 100 Year event Inflow = 1.55 cfs @ 11.91 hrs, Volume= 0.078 of Outflow = 1.55 cfs @ 11.91 hrs, Volume= 0.078 af, Atten= 0%, Lag= 0.0 min Primary = 1.55 cfs @ 11.91 hrs, Volume= 0.078 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.16' @ 11.91 hrs Plug-Flow detention time= 0.0 min calculated for 0.078 of (100% of inflow) Center-of-Mass det. time= (not calculated: outflow precedes inflow) # Routing Invert Outlet Devices 1 Primary 953.45' 18.0" x 142.0' long Culvert Ke= 0.200 Outlet Invert= 953.06' S= 0.0027'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=1.51 cfs @ 11.91 hrs HW=954.15' (Free Discharge) t-1=Culvert (Barrel Controls 1.51 cfs @ 2.7 fps) Pond L11: L11 Inflow Area = 0.158 ac, Inflow Depth = 4.99" for 100 Year event Inflow = 1.32 cfs @ 11.92 hrs, Volume= 0.066 of Outflow = 1.32 cfs @ 11.92 hrs, Volume= 0.066 af, Atten= 0%, Lag= 0.0 min Primary = 1.32 cfs @ 11.92 hrs, Volume= 0.066 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.20' @ 11.92 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 953.53' 15.0" x 28.0' long Culvert Ke= 0.100 Outlet Invert= 953.45' S= 0.0029 '/' n= 0.013 Cc= 0.900 Primary OutFlow Max=1.28 cfs @ 11.92 hrs HW=954.18' (Free Discharge) t-1=Culvert (Barrel Controls 1.28 cfs @ 2.9 fps) Pond L12: L12 Inflow Area = 0.962 ac, Inflow Depth = 5.16" for 100 Year event Inflow = 8.08 cfs @ 11.92 hrs, Volume= 0.413 of Outflow = 8.08 cfs @ 11.92 hrs, Volume= 0.413 af, Atten= 0%, Lag= 0.0 min Primary = 8.08 cfs @ 11.92 hrs, Volume= 0.413 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.63' @ 11.91 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) LeBeaux Station Type 11 24-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 43 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 # Routing Invert Outlet Devices 1 Primary 952.54' 18.0" x 60.0' long Culvert Ke= 0.200 Outlet Invert= 952.38' S= 0.0027'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=7.65 cfs @ 11.92 hrs HW=954.55' (Free Discharge) L1=Culvert (Barrel Controls 7.65 cfs @ 4.3 fps) Pond L13: L13 Inflow Area = 0.654 ac, Inflow Depth = 5.39" for 100 Year event Inflow = 5.63 cfs @ 11.92 hrs, Volume= 0.294 of Outflow = 5.63 cfs @ 11.92 hrs, Volume= 0.294 af, Atten= 0%, Lag= 0.0 min Primary = 5.63 cfs @ 11.92 hrs, Volume= 0.294 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.67' @ 11.92 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.73' 15.0" x 63.0' long Culvert Ke= 0.200 Outlet Invert= 952.54' S= 0.0030'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=5.47 cfs @ 11.92 hrs HW=954.61' (Free Discharge) L1=Culvert (Barrel Controls 5.47 cfs @ 4.5 fps) Pond L14: L14 Inflow Area = 0.365 ac, Inflow Depth = 5.44" for 100 Year event Inflow = 3.18 cfs @ 11.91 hrs, Volume= 0.165 of Outflow = 3.18 cfs @ 11.91 hrs, Volume= 0.165 af, Atten= 0%, Lag= 0.0 min Primary = 3.18 cfs @ 11.91 hrs, Volume= 0.165 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.08' @ 11.91 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.93' 15.0" x 73.0' long Culvert Ke= 0.200 Outlet Invert= 952.73' S= 0.0027'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=3.09 cfs @ 11.91 hrs HW=954.06' (Free Discharge) L1=Culvert (Barrel Controls 3.09 cfs @ 3.5 fps) LeBeaux Station Type 1124-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 44 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Pond L15: L15 Inflow Area = 0.167 ac, Inflow Depth = 5.23" for 100 Year event Inflow = 1.49 cfs @ 11.90 hrs, Volume= 0.073 of Outflow = 1.49 cfs @ 11.90 hrs, Volume= 0.073 af, Atten= 0%, Lag= 0.0 min Primary = 1.49 cfs @ 11.90 hrs, Volume= 0.073 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.17' @ 11.90 hrs Plug-Flow detention time= 0.0 min calculated for 0.073 of (100% of inflow) Center-of-Mass det. time= 0.0 min (750.8 - 750.8 ) # Routing Invert Outlet Devices 1 Primary 953.42' 15.0" x 130.0' long Culvert Ke= 0.200 Outlet Invert= 953.06' S= 0.0028 '/' n= 0.013 Cc= 0.900 Primary OutFlow Max=1.47 cfs @ 11.90 hrs HW=954.16' (Free Discharge) L1=Culvert (Barrel Controls 1.47 cfs @ 2.8 fps) Pond L15A: L15A Inflow Area = 0.069 ac, Inflow Depth = 4.76" for 100 Year event Inflow = 0.59 cfs @ 11.90 hrs, Volume= 0.027 of Outflow = 0.59 cfs @ 11.90 hrs, Volume= 0.027 af, Atten= 0%, Lag= 0.0 min Primary = 0.59 cfs @ 11.90 hrs, Volume= 0.027 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.05' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 953.60' 15.0" x 64.0' long Culvert Ke= 0.200 Outlet Invert= 953.42' S= 0.0028'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=0.59 cfs @ 11.90 hrs HW=954.05' (Free Discharge) L1=Culvert (Barrel Controls 0.59 cfs @ 2.2 fps) Pond L16: L16 Inflow Area = 0.034 ac, Inflow Depth = 4.76" for 100 Year event Inflow = 0.29 cfs @ 11.90 hrs, Volume= 0.014 of Outflow = 0.29 cfs @ 11.90 hrs, Volume= 0.014 af, Atten= 0%, Lag= 0.0 min Primary = 0.29 cfs @ 11.90 hrs, Volume= 0.014 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.98' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) LeBeaux Station Type 1124-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 45 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 # Routing Invert Outlet Devices 1 Primary 953.67' 15.0" x 23.0' long Culvert Ke= 0.200 Outlet Invert= 953.60' S= 0.0030'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=0.29 cfs @ 11.90 hrs HW=953.98' (Free Discharge) L1=Culvert (Barrel Controls 0.29 cfs @ 1.9 fps) Pond L17: L17 Inflow Area = 0.062 ac, Inflow Depth = 4.76" for 100 Year event Inflow = 0.53 cfs @ 11.90 hrs, Volume= 0.025 of Outflow = 0.53 cfs @ 11.90 hrs, Volume= 0.025 af, Atten= 0%, Lag= 0.0 min Primary = 0.53 cfs @ 11.90 hrs, Volume= 0.025 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.64' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 953.29' 15.0" x 23.0' long Culvert Ke= 0.200 Outlet Invert= 953.06' S= 0.0100'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=0.53 cfs @ 11.90 hrs HW=953.64' (Free Discharge) L1=Culvert (Barrel Controls 0.53 cfs @ 2.8 fps) Pond L2: L2 Inflow Area = 0.275 ac, Inflow Depth = 5.56" for 100 Year event Inflow = 2.41 cfs @ 11.91 hrs, Volume= 0.128 of Outflow = 2.41 cfs @ 11.91 hrs, Volume= 0.128 af, Atten= 0%, Lag= 0.0 min Primary = 2.41 cfs @ 11.91 hrs, Volume= 0.128 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.73' @ 11.91 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.93' 15.0" x 66.0' long Culvert Ke= 0.200 Outlet Invert= 952.40' S= 0.0080'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=2.35 cfs @ 11.91 hrs HW=953.72' (Free Discharge) t-1=Culvert (Barrel Controls 2.35 cfs @ 4.1 fps) LeBeaux Station Type 1124-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 46 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Pond L20: L20 Inflow Area = 1.248 ac, Inflow Depth = 5.33" for 100 Year event Inflow = 10.95 cfs @ 11.90 hrs, Volume= 0.554 of Outflow = 10.95 cfs @ 11.90 hrs, Volume= 0.554 af, Atten= 0%, Lag= 0.0 min Primary = 10.95 cfs @ 11.90 hrs, Volume= 0.554 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.08' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.06' 21.0" x 24.0' long Culvert Ke= 0.200 Outlet Invert= 952.00' S= 0.0025'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=10.81 cfs @ 11.90 hrs HW=954.05' (Free Discharge) L1=Culvert (Barrel Controls 10.81 cfs @ 4.9 fps) Pond L21: L21 Inflow Area = 0.930 ac, Inflow Depth = 5.28" for 100 Year event Inflow = 8.19 cfs @ 11.90 hrs, Volume= 0.410 of Outflow = 8.19 cfs @ 11.90 hrs, Volume= 0.410 af, Atten= 0%, Lag= 0.0 min Primary = 8.19 cfs @ 11.90 hrs, Volume= 0.410 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.74' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.44' 18.0" x 127.0' long Culvert Ke= 0.200 Outlet Invert= 952.06' S= 0.0030'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=8.10 cfs @ 11.90 hrs HW=954.71' (Free Discharge) L1=Culvert (Barrel Controls 8.10 cfs @ 4.6 fps) Pond L22: L22 Inflow Area = 0.140 ac, Inflow Depth = 4.65" for 100 Year event Inflow = 1.18 cfs @ 11.90 hrs, Volume= 0.054 of Outflow = 1.18 cfs @ 11.90 hrs, Volume= 0.054 af, Atten= 0%, Lag= 0.0 min Primary = 1.18 cfs @ 11.90 hrs, Volume= 0.054 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 953.46' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) LeBeaux Station Type 1124-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 47 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 # Routinq Invert Outlet Devices 1 Primary 952.80' 15.0" x 127.0' long Culvert Ke= 0.200 Outlet Invert= 952.44' S= 0.0028'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=1.18 cfs @ 11.90 hrs HW=953.46' (Free Discharge) L1=Culvert (Barrel Controls 1.18 cfs @ 2.6 fps) Pond L5: L5 Inflow Area = 2.551 ac, Inflow Depth = 5.08" for 100 Year event Inflow = 21.36 cfs @ 11.91 hrs, Volume= 1.080 of Outflow = 21.36 cfs @ 11.91 hrs, Volume= 1.080 af, Atten= 0%, Lag= 0.0 min Primary = 21.36 cfs @ 11.91 hrs, Volume= 1.080 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 955.12' @ 11.91 hrs Plug-Flow detention time= 0.0 min calculated for 1.078 of (100% of inflow) Center-of-Mass det. time= 0.0 min (754.7 - 754.7 ) # Routing Invert Outlet Devices 1 Primary 952.08' 24.0" x 28.0' long Culvert Ke= 0.200 Outlet Invert= 952.00' S= 0.0029'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=20.92 cfs @ 11.91 hrs HW=955.07' (Free Discharge) t1=Culvert (Barrel Controls 20.92 cfs @ 6.7 fps) Pond L6: L6 Inflow Area = 2.551 ac, Inflow Depth = 5.08" for 100 Year event Inflow = 21.36 cfs @ 11.91 hrs, Volume= 1.080 of Outflow = 21.36 cfs @ 11.91 hrs, Volume= 1.080 af, Atten= 0%, Lag= 0.0 min Primary = 21.36 cfs @ 11.91 hrs, Volume= 1.080 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 955.85' @ 11.91 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routinq Invert Outlet Devices 1 Primary 952.38' 24.0" x 102.0' long Culvert Ke= 0.200 Outlet Invert= 952.08' S= 0.0029'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=20.92 cfs @ 11.91 hrs HW=955.78' (Free Discharge) L1=Culvert (Barrel Controls 20.92 cfs @ 6.7 fps) LeBeaux Station Type 11 24-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 48 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 Pond L7: L7 Inflow Area = 1.355 ac, Inflow Depth = 5.36" for 100 Year event Inflow = 12.00 cfs @ 11.90 hrs, Volume= 0.605 of Outflow = 12.00 cfs @ 11.90 hrs, Volume= 0.605 af, Atten= 0%, Lag= 0.0 min Primary = 12.00 cfs @ 11.90 hrs, Volume= 0.605 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 955.20' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.65' 21.0" x 105.0' long Culvert Ke= 0.200 Outlet Invert= 952.38' S= 0.0026'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=11.91 cfs @ 11.90 hrs HW=955.18' (Free Discharge) L1=Culvert (Barrel Controls 11.91 cfs @ 4.9 fps) Pond L8: L8 Inflow Area = 0.888 ac, Inflow Depth = 5.26" for 100 Year event Inflow = 7.80 cfs @ 11.90 hrs, Volume= 0.389 of Outflow = 7.80 cfs @ 11.90 hrs, Volume= 0.389 af, Atten= 0%, Lag= 0.0 min Primary = 7.80 cfs @ 11.90 hrs, Volume= 0.389 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 955.16' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) # Routing Invert Outlet Devices 1 Primary 952.88' 18.0" x 117.0' long Culvert Ke= 0.200 Outlet Invert= 952.65' S= 0.0020 '/' n= 0.013 Cc= 0.900 Primary OutFlow Max=7.74 cfs @ 11.90 hrs HW=955.14' (Free Discharge) L1=Culvert (Barrel Controls 7.74 cfs @ 4.4 fps) Pond L9: L9 Inflow Area = 0.475 ac, Inflow Depth = 5.06" for 100 Year event Inflow = 4.09 cfs @ 11.90 hrs, Volume= 0.200 of Outflow = 4.09 cfs @ 11.90 hrs, Volume= 0.200 af, Atten= 0%, Lag= 0.0 min Primary = 4.09 cfs @ 11.90 hrs, Volume= 0.200 of Routing by Stor-Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Peak Elev= 954.43' @ 11.90 hrs Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= (not calculated) ~ M T ~ ~. LeBeaux Station Type 1124-hr 100 Year Rainfall=5.80" Prepared by John Oliver & Associates- Ross D. Abel PE Page 49 HydroCAD® 7.00 s/n 002022 ©1986-2003 Applied Microcomputer Systems 4/18/2005 # Routing Invert Outlet Devices 1 Primary 953.06' 15.0" x 64.0' long Culvert Ke= 0.200 Outlet Invert= 952.88' S= 0.0028'/' n= 0.013 Cc= 0.900 Primary OutFlow Max=4.06 cfs @ 11.90 hrs HW=954.42' (Free Discharge) L1=Culvert (Barrel Controls 4.06 cfs @ 3.8 fps) Pond P: Pond Inflow Ar = 4.640 ac, Inflow Depth = 5.17" for 100 Year e Inflow 39.48 cfs @ 11.90 hrs, Volume= 2.000 of Outflow = 14.35 cfs @ 12.01 hrs, Volume= 2.000 ~€' Primary = 4.35 cfs @ 12.01 hrs, Volume= 2.00 of ~bl~b~viv~ ~1s`5 vh eeT Atten= 64%, Lag= 6.5 min Routing by Stor-Ind m od, Time Span= 0.00-48.00 hrs, dt= .05 hrs Starting Elev= 952.00' .Area= 3,145 sf Storage= 4,9 cf Peak Elev= 955.59' @ 12.0 rs Surf.Area= 9,231 sf orage= 27,117 cf (22,125 cf above start) Plug-Flow detention time= 86. in calculated for 1.8 of (94% of inflow) Center-of-Mass det. time= 26.1 m (777.6 - 751.5 # Invert Avail.Stora 1 950.00' 53,402 cf on Data (Conic) Listed below Elevation feet Surf.Area s -ft In .tore c is-feet Cum.Store cubic-feet Wet.Area s -ft 950.00 1, 899 0 0 1, 899 952.00 3,145 4, 992 4, 992 3,194 953.00 3,913 3,522 14 3,990 954.00 6,91 5,342 13,8 7,001 956.00 9 4 16,652 30,508 9,983 958.00 ,150 22,893 53,402 13,395 # Routin Invert Outlet Devices 1 Primary 952.00' 18.0" Vert. Orifice/Grate C= 0.600 Primaryf~utFlow Max=14.28 cfs @ 12.01 hrs HW=955.56' (Free Discharge) L1= ifice/Grate (Orifice Controls 14.28 cfs @ 8.1 fps) ~ ~ ~ LeBeaux Station Type Il 24-hr 100 Year Rainfall=5.80" Prepared by {enter your company name here} Page 2 HydroCAD® 7.00 s/n 002022 41986-2003 Applied Microcomputer Systems 4/20/2005 Pond P: Pond Inflow Area = 4.640 ac, Inflow Depth = 5.17" for 100 Year event Inflow = 39.48 cfs @ 11.90 hrs, Volume= 2.000 of Outflow = 12.75 cfs @ 12.02 hrs, Volume= 1.999 af, Atten= 68%, Lag= 6.8 min Primary = 12.75 cfs @ 12.02 hrs, Volume= 1.999 of Routing by Stor--Ind method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs Starting Elev= 952.00' Surf.Area= 7,075 sf Storage= 15,693 cf Peak Elev= 955.00' @ 12.02 hrs Surf.Area= 10,998 sf Storage= 43,243 cf (27,549 cf above start) Plug-Flow detention time= 184.3 min calculated for 1.637 of (82% of in flow) Center-of-Mass det. time= 55.3 min (806.8 - 751.5 ) # Invert Avail.Storage -Storage Description___ __. 1 947.00' 54,272 cf Custom Stage Data (Conic} Listed below Elevation Surf.Area Inc.Store Cum.Store Wet.Area (feet) ~sq-ft) (cubic-feet) (cubic-feet) (sq-ft) 947.00 0 0 0 0 94$..00 1,909 636 636 1,911 950.00 3,191 5,045 5,682 3,241 952.00 7,075 10,012 15,693 7,157 954.00 9,617 16,627 32,320 9,779 956.00 12,393 21,951 54,272 12,653 # Routing Invert Outlet Devices 1 Primary 952.00' 18.0" Vert. Orifice/Grate C= 0.600 Primary Ou#Flow Max=12.67 cfs @ 12.02 hrs HW=954.97' (Free Discharge) 't--1=Orifice/Grate (Orifice Controls 12.67 cfs @ 7.2 fps)