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Proposed 2year
1S A-CB13 3S A-CB14 6S A-DMH Stub 9S A-DMH Stub 12S A-CB15 15S A-CB16 17S A-RD 22S A-Basin 23S A-DMH Stub 24S A-Infil03 27S A-Infil02 30S A-Infil04 34S A-Deten05 35S A-Grove St A-CB17 CB Collecting Half of Road A-CB18 CB Collecting Half of Road A-CB19 Half of Road Into CB 19 A-CB19AB A-CB19B A-CB20 Half of Road Into CB 20 A-CB33 Parking Area into Catch Basin A-CB34 A-CB36 A-CB37 A-CB55 A-CB56 A-CB57 A-CB58 A-PD12A A-PD12ARoof A-RD12 A-RD2 Building 02Footprint A-RD3 Building 03 Footprint A-TD01 Trench Drain EARLE PDA-5A PDA-5B 24R DMH13 Stub 25R DMH13 Stub 26R DMH16 Stub 27R DMH23 Stub RD12 Roof Drain Roof2 Roof3 2PCB CB13 4PCB CB14 5PCB DMH13 10PCB DMH14 11PCB DMH15 13PCB CB15 14PCB CB16 16PCB DMH16 19ACB 19BCB 19PCB DMH22 20PCB DMH2321P Basin6 26P Deten02&03 29P Infil04 32P Deten05 BAS05 CB17CBCB18CB CB19CB CB20CB CB20 CB33CB CB34CB CB36CB CB37CB CB55CB CB56CB CB57CB CB58CB DMH17CB DMH19CB DMH20CB DMH in Roadway DMH21CB DMH24CB DMH25CB End Of Cross Country Drain-Line DMH30CB DMH36CB DMH37CB DMH54CB DMH55CB DMH56CB Stormwater from Undeveloped Area On Lot 12 DP-5CB Existing CB TD01CB DP 4 Grove Street Mill River Drainage Diagram for ProP120307Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Subcat Reach Pond Link ProP120307 Page 2Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Area Listing (all nodes) Area (acres)CN Description (subcats) 0.485 39 >75% Grass cover, Good, HSG A (24S,27S,30S,35S) 3.855 61 >75% Grass cover, Good, HSG B (1S,3S,6S,9S,12S,15S,23S,24S,27S,30S,34S,35S,A-CB36 5.250 74 >75% Grass cover, Good, HSG C (22S,30S,34S,35S,A-CB17,A-CB18,A-CB19,A-CB19AB,A-C 0.342 74 >75% GrassGoodHSGC within AutoCADbuilding (A-RD12) 0.098 74 >75%Grass Good HSG C from12B (PDA-5B) 0.296 74 >75%GrassGoodHSGCwithin AutoCAD building (A-PD12A) 0.010 78 (A-CB33) 2.371 79 50-75% Grass cover, Fair, HSG C (A-CB55,A-CB56,A-CB57,A-CB58,A-TD01,PDA-5A) 0.324 79 Pond Grassed Area (PDA-5A) 0.363 79 Remainder of former parking (A-CB55,A-CB56,A-CB57,A-CB58) 0.735 98 Bldg Roof (A-PD12A) 0.283 98 Expand to Existing Boundary in Road (EARLE) 4.570 98 Impervious (1S,3S,6S,9S,12S,15S,23S,24S,27S,30S,34S) 3.580 98 Paved parking & roofs (A-CB17,A-CB18,A-CB19,A-CB19AB,A-CB19B,A-CB20,A-CB33,A-CB3 0.047 98 Paved parking & roofs From 12B (EARLE) 0.067 98 Paved parking & roofs from 12A (EARLE) 0.090 98 Pond Water Surface (PDA-5A) 1.606 98 Roof (9S,17S,22S,23S,27S,34S) 0.205 98 Roof (1/2) (6S,23S) 24.577 Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 3Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Time span=0.00-24.00 hrs, dt=0.01 hrs, 2401 pointsRunoff by SCS TR-20 method, UH=SCS Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Runoff Area=27,290 sf Runoff Depth>0.75"Subcatchment 1S: A-CB13 Flow Length=310' Slope=0.0150 '/' Tc=8.2 min CN=72 Runoff=0.45 cfs 0.039 af Runoff Area=7,256 sf Runoff Depth>1.36"Subcatchment 3S: A-CB14 Flow Length=190' Slope=0.0150 '/' Tc=6.0 min CN=83 Runoff=0.27 cfs 0.019 af Runoff Area=15,421 sf Runoff Depth>2.35"Subcatchment 6S: A-DMH Stub Tc=6.0 min CN=95 Runoff=0.93 cfs 0.069 af Runoff Area=26,616 sf Runoff Depth>2.45"Subcatchment 9S: A-DMH Stub Tc=6.0 min CN=96 Runoff=1.65 cfs 0.125 af Runoff Area=18,567 sf Runoff Depth>1.58"Subcatchment 12S: A-CB15 Flow Length=260' Slope=0.0150 '/' Tc=6.0 min CN=86 Runoff=0.79 cfs 0.056 af Runoff Area=17,710 sf Runoff Depth>1.36"Subcatchment 15S: A-CB16 Flow Length=250' Slope=0.0150 '/' Tc=6.0 min CN=83 Runoff=0.65 cfs 0.046 af Runoff Area=13,500 sf Runoff Depth>2.67"Subcatchment 17S: A-RD Tc=6.0 min CN=98 Runoff=0.87 cfs 0.069 af Runoff Area=37,184 sf Runoff Depth>1.43"Subcatchment 22S: A-Basin Tc=6.0 min CN=84 Runoff=1.43 cfs 0.102 af Runoff Area=69,194 sf Runoff Depth>1.58"Subcatchment 23S: A-DMH Stub Tc=6.0 min CN=86 Runoff=2.94 cfs 0.209 af Runoff Area=26,072 sf Runoff Depth>1.98"Subcatchment 24S: A-Infil03 Tc=6.0 min CN=91 Runoff=1.37 cfs 0.099 af Runoff Area=35,274 sf Runoff Depth>1.81"Subcatchment 27S: A-Infil02 Tc=6.0 min CN=89 Runoff=1.71 cfs 0.122 af Runoff Area=67,090 sf Runoff Depth>1.65"Subcatchment 30S: A-Infil04 Tc=6.0 min CN=87 Runoff=2.98 cfs 0.212 af Runoff Area=36,362 sf Runoff Depth>1.98"Subcatchment 34S: A-Deten05 Tc=6.0 min CN=91 Runoff=1.91 cfs 0.137 af Runoff Area=177,487 sf Runoff Depth>0.46"Subcatchment 35S: A-Grove St Flow Length=530' Tc=6.0 min CN=65 Runoff=1.55 cfs 0.156 af Runoff Area=8,626 sf Runoff Depth>1.98"Subcatchment A-CB17: CB Collecting Half of Road Tc=6.0 min CN=91 Runoff=0.45 cfs 0.033 af Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 4Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Runoff Area=11,990 sf Runoff Depth>2.06"Subcatchment A-CB18: CB Collecting Half of Road Tc=6.0 min CN=92 Runoff=0.66 cfs 0.047 af Runoff Area=10,895 sf Runoff Depth>1.50"Subcatchment A-CB19: Half of Road Into CB 19 Flow Length=172' Tc=6.0 min CN=85 Runoff=0.44 cfs 0.031 af Runoff Area=16,350 sf Runoff Depth>1.50"Subcatchment A-CB19AB: Flow Length=308' Slope=0.0325 '/' Tc=9.5 min CN=85 Runoff=0.59 cfs 0.047 af Runoff Area=5,327 sf Runoff Depth>1.81"Subcatchment A-CB19B: Flow Length=100' Tc=6.0 min CN=89 Runoff=0.26 cfs 0.018 af Runoff Area=6,986 sf Runoff Depth>1.98"Subcatchment A-CB20: Half of Road Into CB 20 Flow Length=99' Slope=0.0325 '/' Tc=6.0 min CN=91 Runoff=0.37 cfs 0.026 af Runoff Area=11,848 sf Runoff Depth>2.56"Subcatchment A-CB33: Parking Area into Catch Basin Tc=6.0 min CN=97 Runoff=0.75 cfs 0.058 af Runoff Area=17,825 sf Runoff Depth>2.35"Subcatchment A-CB34: Tc=6.0 min CN=95 Runoff=1.07 cfs 0.080 af Runoff Area=11,255 sf Runoff Depth>2.35"Subcatchment A-CB36: Flow Length=150' Slope=0.0200 '/' Tc=6.0 min CN=95 Runoff=0.68 cfs 0.051 af Runoff Area=10,096 sf Runoff Depth>2.45"Subcatchment A-CB37: Flow Length=160' Slope=0.0200 '/' Tc=6.0 min CN=96 Runoff=0.62 cfs 0.047 af Runoff Area=17,381 sf Runoff Depth>1.73"Subcatchment A-CB55: Tc=6.0 min CN=88 Runoff=0.81 cfs 0.057 af Runoff Area=32,610 sf Runoff Depth>1.43"Subcatchment A-CB56: Flow Length=445' Tc=10.7 min CN=84 Runoff=1.07 cfs 0.089 af Runoff Area=35,648 sf Runoff Depth>1.43"Subcatchment A-CB57: Tc=6.0 min CN=84 Runoff=1.37 cfs 0.098 af Runoff Area=18,840 sf Runoff Depth>1.17"Subcatchment A-CB58: Flow Length=285' Tc=6.0 min CN=80 Runoff=0.59 cfs 0.042 af Runoff Area=44,900 sf Runoff Depth>1.98"Subcatchment A-PD12A: A-PD12ARoof Tc=6.0 min CN=91 Runoff=2.36 cfs 0.170 af Runoff Area=24,882 sf Runoff Depth>1.43"Subcatchment A-RD12: Tc=6.0 min CN=84 Runoff=0.96 cfs 0.068 af Runoff Area=4,641 sf Runoff Depth>2.67"Subcatchment A-RD2: Building 02Footprint Tc=6.0 min CN=98 Runoff=0.30 cfs 0.024 af Runoff Area=4,693 sf Runoff Depth>2.67"Subcatchment A-RD3: Building 03 Footprint Tc=6.0 min CN=98 Runoff=0.30 cfs 0.024 af Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 5Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Runoff Area=2,178 sf Runoff Depth>2.45"Subcatchment A-TD01: Trench Drain Tc=6.0 min CN=96 Runoff=0.13 cfs 0.010 af Runoff Area=2.687 ac Runoff Depth>1.23"Subcatchment EARLE: Flow Length=1,303' Tc=12.1 min CN=81 Runoff=3.14 cfs 0.276 af Runoff Area=59,414 sf Runoff Depth>1.17"Subcatchment PDA-5A: Flow Length=220' Slope=0.1000 '/' Tc=7.4 min CN=80 Runoff=1.76 cfs 0.133 af Runoff Area=0.508 ac Runoff Depth>1.43"Subcatchment PDA-5B: Flow Length=225' Tc=7.6 min CN=84 Runoff=0.81 cfs 0.061 af Avg. Depth=0.29' Max Vel=4.89 fps Inflow=0.93 cfs 0.069 afReach 24R: DMH13 StubD=12.0" n=0.013 L=20.0' S=0.0200 '/' Capacity=5.04 cfs Outflow=0.93 cfs 0.069 af Avg. Depth=0.39' Max Vel=5.74 fps Inflow=1.65 cfs 0.125 afReach 25R: DMH13 StubD=12.0" n=0.013 L=20.0' S=0.0200 '/' Capacity=5.04 cfs Outflow=1.65 cfs 0.125 af Avg. Depth=0.28' Max Vel=4.80 fps Inflow=0.87 cfs 0.069 afReach 26R: DMH16 Stub D=12.0" n=0.013 L=20.0' S=0.0200 '/' Capacity=5.04 cfs Outflow=0.87 cfs 0.069 af Avg. Depth=0.49' Max Vel=6.63 fps Inflow=2.94 cfs 0.209 afReach 27R: DMH23 Stub D=15.0" n=0.013 L=20.0' S=0.0200 '/' Capacity=9.14 cfs Outflow=2.94 cfs 0.209 af Avg. Depth=0.12' Max Vel=18.83 fps Inflow=0.96 cfs 0.068 afReach RD12: Roof DrainD=10.0" n=0.010 L=10.0' S=0.4900 '/' Capacity=19.94 cfs Outflow=0.96 cfs 0.068 af Avg. Depth=0.18' Max Vel=3.39 fps Inflow=0.30 cfs 0.024 afReach Roof2: D=10.0" n=0.010 L=55.0' S=0.0100 '/' Capacity=2.85 cfs Outflow=0.30 cfs 0.024 af Avg. Depth=0.18' Max Vel=3.40 fps Inflow=0.30 cfs 0.024 afReach Roof3: D=10.0" n=0.010 L=80.0' S=0.0100 '/' Capacity=2.85 cfs Outflow=0.30 cfs 0.024 af Peak Elev=193.79' Inflow=0.45 cfs 0.039 afPond 2P: CB13 12.0" x 36.0' Culvert Outflow=0.45 cfs 0.039 af Peak Elev=193.77' Inflow=0.27 cfs 0.019 afPond 4P: CB14 12.0" x 21.0' Culvert Outflow=0.27 cfs 0.019 af Peak Elev=193.16' Inflow=3.25 cfs 0.252 afPond 5P: DMH13 18.0" x 120.0' Culvert Outflow=3.25 cfs 0.252 af Peak Elev=191.26' Inflow=3.25 cfs 0.252 afPond 10P: DMH14 18.0" x 120.0' Culvert Outflow=3.25 cfs 0.252 af Peak Elev=189.57' Inflow=4.68 cfs 0.354 afPond 11P: DMH15 18.0" x 103.0' Culvert Outflow=4.68 cfs 0.354 af Peak Elev=190.36' Inflow=0.79 cfs 0.056 afPond 13P: CB15 12.0" x 40.0' Culvert Outflow=0.79 cfs 0.056 af Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 6Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Peak Elev=190.31' Inflow=0.65 cfs 0.046 afPond 14P: CB16 12.0" x 22.0' Culvert Outflow=0.65 cfs 0.046 af Peak Elev=188.05' Inflow=5.55 cfs 0.423 afPond 16P: DMH16 18.0" x 81.0' Culvert Outflow=5.55 cfs 0.423 af Peak Elev=175.38' Inflow=0.59 cfs 0.047 afPond 19A: 12.0" x 20.0' Culvert Outflow=0.59 cfs 0.047 af Peak Elev=175.25' Inflow=0.26 cfs 0.018 afPond 19B: 12.0" x 20.0' Culvert Outflow=0.26 cfs 0.018 af Peak Elev=184.73' Inflow=5.55 cfs 0.423 afPond 19P: DMH22 18.0" x 193.0' Culvert Outflow=5.55 cfs 0.423 af Peak Elev=178.62' Inflow=8.49 cfs 0.632 afPond 20P: DMH23 24.0" x 100.0' Culvert Outflow=8.49 cfs 0.632 af Peak Elev=178.32' Storage=0.250 af Inflow=9.92 cfs 0.734 afPond 21P: Basin6 Outflow=2.62 cfs 0.718 af Peak Elev=192.54' Storage=3,324 cf Inflow=3.08 cfs 0.221 afPond 26P: Deten02&03 Outflow=0.73 cfs 0.217 af Peak Elev=186.03' Storage=7,095 cf Inflow=3.54 cfs 0.428 afPond 29P: Infil04 Discarded=0.30 cfs 0.329 af Primary=0.38 cfs 0.066 af Outflow=0.67 cfs 0.395 af Peak Elev=185.20' Storage=2,559 cf Inflow=1.91 cfs 0.204 afPond 32P: Deten05 Outflow=0.59 cfs 0.181 af Peak Elev=138.67' Storage=0.616 af Inflow=15.26 cfs 1.155 afPond BAS05: Outflow=1.90 cfs 0.743 af Peak Elev=179.50' Inflow=0.45 cfs 0.033 afPond CB17: 12.0" x 54.2' Culvert Outflow=0.45 cfs 0.033 af Peak Elev=179.30' Inflow=0.66 cfs 0.047 afPond CB18: 15.0" x 40.0' Culvert Outflow=0.66 cfs 0.047 af Peak Elev=166.39' Inflow=0.44 cfs 0.031 afPond CB19: 12.0" x 14.0' Culvert Outflow=0.44 cfs 0.031 af Peak Elev=166.26' Inflow=0.37 cfs 0.026 afPond CB20: CB20 12.0" x 21.0' Culvert Outflow=0.37 cfs 0.026 af Peak Elev=185.95' Inflow=0.75 cfs 0.058 afPond CB33: 12.0" x 24.0' Culvert Outflow=0.75 cfs 0.058 af Peak Elev=184.04' Inflow=1.07 cfs 0.080 afPond CB34: 12.0" x 30.0' Culvert Outflow=1.07 cfs 0.080 af Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 7Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Peak Elev=187.99' Inflow=0.68 cfs 0.051 afPond CB36: 12.0" x 50.0' Culvert Outflow=0.68 cfs 0.051 af Peak Elev=188.18' Inflow=0.62 cfs 0.047 afPond CB37: 12.0" x 105.0' Culvert Outflow=0.62 cfs 0.047 af Peak Elev=139.15' Inflow=0.81 cfs 0.057 afPond CB55: 12.0" x 50.0' Culvert Outflow=0.81 cfs 0.057 af Peak Elev=141.54' Inflow=1.07 cfs 0.089 afPond CB56: 12.0" x 15.0' Culvert Outflow=1.07 cfs 0.089 af Peak Elev=145.62' Inflow=1.37 cfs 0.098 afPond CB57: 12.0" x 65.0' Culvert Outflow=1.37 cfs 0.098 af Peak Elev=140.67' Inflow=0.59 cfs 0.042 afPond CB58: 12.0" x 15.0' Culvert Outflow=0.59 cfs 0.042 af Peak Elev=177.98' Inflow=1.11 cfs 0.080 afPond DMH17: 15.0" x 160.0' Culvert Outflow=1.11 cfs 0.080 af Peak Elev=174.09' Inflow=3.19 cfs 0.243 afPond DMH19: 18.0" x 156.0' Culvert Outflow=3.19 cfs 0.243 af Peak Elev=165.57' Inflow=6.42 cfs 0.487 afPond DMH20: DMH in Roadway 18.0" x 102.0' Culvert Outflow=6.42 cfs 0.487 af Peak Elev=165.91' Inflow=0.81 cfs 0.058 afPond DMH21: 18.0" x 45.0' Culvert Outflow=0.81 cfs 0.058 af Peak Elev=155.92' Inflow=6.42 cfs 0.487 afPond DMH24: 18.0" x 32.0' Culvert Outflow=6.42 cfs 0.487 af Peak Elev=148.91' Inflow=6.42 cfs 0.487 afPond DMH25: End Of Cross Country Drain-Line 24.0" x 143.0' Culvert Outflow=6.42 cfs 0.487 af Peak Elev=187.60' Inflow=1.30 cfs 0.098 afPond DMH30: 12.0" x 98.0' Culvert Outflow=1.30 cfs 0.098 af Peak Elev=185.53' Inflow=1.05 cfs 0.082 afPond DMH36: 12.0" x 120.0' Culvert Outflow=1.05 cfs 0.082 af Peak Elev=168.91' Inflow=2.42 cfs 0.186 afPond DMH37: 12.0" x 67.0' Culvert Outflow=2.42 cfs 0.186 af Peak Elev=140.50' Inflow=2.90 cfs 0.229 afPond DMH54: 18.0" x 65.0' Culvert Outflow=2.90 cfs 0.229 af Peak Elev=139.10' Inflow=6.17 cfs 0.467 afPond DMH55: 24.0" x 180.0' Culvert Outflow=6.17 cfs 0.467 af Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 8Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Peak Elev=138.68' Inflow=7.13 cfs 0.535 afPond DMH56: Stormwater from Undeveloped Area On Lot 1224.0" x 130.0' Culvert Outflow=7.13 cfs 0.535 af Peak Elev=134.71' Inflow=2.06 cfs 0.804 afPond DP-5: Existing CB Primary=2.06 cfs 0.804 af Secondary=0.00 cfs 0.000 af Outflow=2.06 cfs 0.804 af Peak Elev=140.18' Inflow=0.13 cfs 0.010 afPond TD01: Primary=0.13 cfs 0.010 af Secondary=0.00 cfs 0.000 af Outflow=0.13 cfs 0.010 af Inflow=3.96 cfs 1.055 afLink DP 4: Grove Street Primary=3.96 cfs 1.055 af Inflow=4.59 cfs 1.080 afLink Mill: River Primary=4.59 cfs 1.080 af Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 9Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Subcatchment 1S: A-CB13 Runoff = 0.45 cfs @ 12.13 hrs, Volume= 0.039 af, Depth> 0.75" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description7,900 98 Impervious19,390 61 >75% Grass cover, Good, HSG B 27,290 72 Weighted Average19,390 Pervious Area7,900 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.3 50 0.0150 0.13 Sheet Flow, OverlandGrass: Short n= 0.150 P2= 3.20"1.1 135 0.0150 1.97 Shallow Concentrated Flow, Unpaved Kv= 16.1 fps0.8 125 0.0150 2.49 Shallow Concentrated Flow, Paved Kv= 20.3 fps 8.2 310 Total Subcatchment 3S: A-CB14 Runoff = 0.27 cfs @ 12.09 hrs, Volume= 0.019 af, Depth> 1.36" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 4,300 98 Impervious2,956 61 >75% Grass cover, Good, HSG B 7,256 83 Weighted Average 2,956 Pervious Area4,300 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 0.8 50 0.0150 1.07 Sheet Flow, OverlandSmooth surfaces n= 0.011 P2= 3.20"0.9 140 0.0150 2.49 Shallow Concentrated Flow, Paved Kv= 20.3 fps4.3 Direct Entry, Bring up to minimum 6.0 190 Total Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 10Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Subcatchment 6S: A-DMH Stub Runoff = 0.93 cfs @ 12.08 hrs, Volume= 0.069 af, Depth> 2.35" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description4,223 98 Roof (1/2)10,136 98 Impervious1,062 61 >75% Grass cover, Good, HSG B 15,421 95 Weighted Average1,062 Pervious Area14,359 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment 9S: A-DMH Stub Runoff = 1.65 cfs @ 12.08 hrs, Volume= 0.125 af, Depth> 2.45" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 11,322 98 Roof 14,099 98 Impervious1,195 61 >75% Grass cover, Good, HSG B 26,616 96 Weighted Average1,195 Pervious Area25,421 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment 12S: A-CB15 Runoff = 0.79 cfs @ 12.09 hrs, Volume= 0.056 af, Depth> 1.58" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 12,662 98 Impervious5,905 61 >75% Grass cover, Good, HSG B 18,567 86 Weighted Average5,905 Pervious Area Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 11Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC 12,662 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 0.8 50 0.0150 1.07 Sheet Flow, OverlandSmooth surfaces n= 0.011 P2= 3.20"1.4 210 0.0150 2.49 Shallow Concentrated Flow, Paved Kv= 20.3 fps3.8 Direct Entry, Bring up to Minimum 6.0 260 Total Subcatchment 15S: A-CB16 Runoff = 0.65 cfs @ 12.09 hrs, Volume= 0.046 af, Depth> 1.36" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 10,405 98 Impervious7,305 61 >75% Grass cover, Good, HSG B 17,710 83 Weighted Average 7,305 Pervious Area10,405 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 0.8 50 0.0150 1.07 Sheet Flow, OverlandSmooth surfaces n= 0.011 P2= 3.20"1.3 200 0.0150 2.49 Shallow Concentrated Flow, Paved Kv= 20.3 fps3.9 Direct Entry, Bring up to Minimum 6.0 250 Total Subcatchment 17S: A-RD Runoff = 0.87 cfs @ 12.08 hrs, Volume= 0.069 af, Depth> 2.67" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 13,500 98 Roof 13,500 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 12Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Subcatchment 22S: A-Basin Runoff = 1.43 cfs @ 12.09 hrs, Volume= 0.102 af, Depth> 1.43" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 15,574 98 Roof21,610 74 >75% Grass cover, Good, HSG C 37,184 84 Weighted Average21,610 Pervious Area15,574 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment 23S: A-DMH Stub Runoff = 2.94 cfs @ 12.09 hrs, Volume= 0.209 af, Depth> 1.58" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 4,721 98 Roof (1/2)7,980 98 Roof33,885 98 Impervious22,608 61 >75% Grass cover, Good, HSG B 69,194 86 Weighted Average22,608 Pervious Area46,586 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment 24S: A-Infil03 Runoff = 1.37 cfs @ 12.09 hrs, Volume= 0.099 af, Depth> 1.98" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description22,348 98 Impervious1,818 39 >75% Grass cover, Good, HSG A1,906 61 >75% Grass cover, Good, HSG B 26,072 91 Weighted Average Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 13Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC 3,724 Pervious Area22,348 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment 27S: A-Infil02 Runoff = 1.71 cfs @ 12.09 hrs, Volume= 0.122 af, Depth> 1.81" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 13,200 98 Roof16,942 98 Impervious5,090 39 >75% Grass cover, Good, HSG A42 61 >75% Grass cover, Good, HSG B 35,274 89 Weighted Average5,132 Pervious Area30,142 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment 30S: A-Infil04 Runoff = 2.98 cfs @ 12.09 hrs, Volume= 0.212 af, Depth> 1.65" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 45,697 98 Impervious489 39 >75% Grass cover, Good, HSG A15,574 61 >75% Grass cover, Good, HSG B5,330 74 >75% Grass cover, Good, HSG C 67,090 87 Weighted Average21,393 Pervious Area45,697 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 14Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Subcatchment 34S: A-Deten05 Runoff = 1.91 cfs @ 12.09 hrs, Volume= 0.137 af, Depth> 1.98" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description8,377 98 Roof20,709 98 Impervious5,688 61 >75% Grass cover, Good, HSG B1,588 74 >75% Grass cover, Good, HSG C 36,362 91 Weighted Average7,276 Pervious Area29,086 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment 35S: A-Grove St Runoff = 1.55 cfs @ 12.11 hrs, Volume= 0.156 af, Depth> 0.46" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 13,720 39 >75% Grass cover, Good, HSG A82,701 61 >75% Grass cover, Good, HSG B81,066 74 >75% Grass cover, Good, HSG C 177,487 65 Weighted Average177,487 Pervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 3.9 50 0.0500 0.21 Sheet Flow, OverlandGrass: Short n= 0.150 P2= 3.20"1.1 235 0.0500 3.60 Shallow Concentrated Flow, Unpaved Kv= 16.1 fps0.8 245 0.0900 4.83 Shallow Concentrated Flow, Unpaved Kv= 16.1 fps0.2 Direct Entry, Bring up to minimum 6.0 530 Total Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 15Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Subcatchment A-CB17: CB Collecting Half of Road Runoff = 0.45 cfs @ 12.09 hrs, Volume= 0.033 af, Depth> 1.98" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 6,056 98 Paved parking & roofs2,570 74 >75% Grass cover, Good, HSG C 8,626 91 Weighted Average2,570 Pervious Area6,056 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment A-CB18: CB Collecting Half of Road Runoff = 0.66 cfs @ 12.09 hrs, Volume= 0.047 af, Depth> 2.06" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 8,790 98 Paved parking & roofs3,200 74 >75% Grass cover, Good, HSG C 11,990 92 Weighted Average3,200 Pervious Area8,790 Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment A-CB19: Half of Road Into CB 19 Runoff = 0.44 cfs @ 12.09 hrs, Volume= 0.031 af, Depth> 1.50" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 4,926 98 Paved parking & roofs5,969 74 >75% Grass cover, Good, HSG C 10,895 85 Weighted Average5,969 Pervious Area4,926 Impervious Area Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 16Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs)3.7 42 0.1000 0.19 Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"0.1 6 0.0500 1.13 Sheet Flow, Smooth surfaces n= 0.011 P2= 3.20"0.5 6 0.1000 0.18 Sheet Flow, Grass: Short n= 0.150 P2= 3.20"0.5 118 0.0325 3.66 Shallow Concentrated Flow, Paved Kv= 20.3 fps1.2 Direct Entry, Bring up to minimum 6.0 172 Total Subcatchment A-CB19AB: Runoff = 0.59 cfs @ 12.13 hrs, Volume= 0.047 af, Depth> 1.50" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 8,935 74 >75% Grass cover, Good, HSG C7,415 98 Paved parking & roofs 16,350 85 Weighted Average8,935 Pervious Area7,415 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 8.4 66 0.0325 0.13 Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"1.1 242 0.0325 3.66 Shallow Concentrated Flow, Paved Kv= 20.3 fps 9.5 308 Total Subcatchment A-CB19B: Runoff = 0.26 cfs @ 12.09 hrs, Volume= 0.018 af, Depth> 1.81" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 1,890 74 >75% Grass cover, Good, HSG C3,437 98 Paved parking & roofs 5,327 89 Weighted Average1,890 Pervious Area3,437 Impervious Area Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 17Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 5.6 80 0.1300 0.24 Sheet Flow, Grass: Dense n= 0.240 P2= 3.20" 0.1 20 0.0500 4.54 Shallow Concentrated Flow, Paved Kv= 20.3 fps0.3 Direct Entry, Bring up to Minimum 6.0 100 Total Subcatchment A-CB20: Half of Road Into CB 20 Runoff = 0.37 cfs @ 12.09 hrs, Volume= 0.026 af, Depth> 1.98" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description5,001 98 Paved parking & roofs1,985 74 >75% Grass cover, Good, HSG C 6,986 91 Weighted Average1,985 Pervious Area5,001 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 1.7 9 0.0325 0.09 Sheet Flow, OverlandGrass: Dense n= 0.240 P2= 3.20"0.1 6 0.0325 0.95 Sheet Flow, Smooth surfaces n= 0.011 P2= 3.20"0.9 4 0.0325 0.07 Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"0.4 80 0.0325 3.66 Shallow Concentrated Flow, Paved Kv= 20.3 fps2.9 Direct Entry, Bring up to minimum 6.0 99 Total Subcatchment A-CB33: Parking Area into Catch Basin Runoff = 0.75 cfs @ 12.08 hrs, Volume= 0.058 af, Depth> 2.56" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 11,417 98 Paved parking & roofs431 78 11,848 97 Weighted Average431 Pervious Area11,417 Impervious Area Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 18Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment A-CB34: Runoff = 1.07 cfs @ 12.08 hrs, Volume= 0.080 af, Depth> 2.35" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 15,260 98 Paved parking & roofs2,565 74 >75% Grass cover, Good, HSG C 17,825 95 Weighted Average2,565 Pervious Area15,260 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment A-CB36: Runoff = 0.68 cfs @ 12.08 hrs, Volume= 0.051 af, Depth> 2.35" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 10,332 98 Paved parking & roofs923 61 >75% Grass cover, Good, HSG B 11,255 95 Weighted Average923 Pervious Area10,332 Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.9 20 0.0200 0.08 Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"0.8 130 0.0200 2.87 Shallow Concentrated Flow, Paved Kv= 20.3 fps1.3 Direct Entry, Bring up to minimum 6.0 150 Total Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 19Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Subcatchment A-CB37: Runoff = 0.62 cfs @ 12.08 hrs, Volume= 0.047 af, Depth> 2.45" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 9,426 98 Paved parking & roofs670 61 >75% Grass cover, Good, HSG B 10,096 96 Weighted Average670 Pervious Area9,426 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 3.9 20 0.0200 0.08 Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"0.8 140 0.0200 2.87 Shallow Concentrated Flow, Paved Kv= 20.3 fps1.3 Direct Entry, Bring up to minimum 6.0 160 Total Subcatchment A-CB55: Runoff = 0.81 cfs @ 12.09 hrs, Volume= 0.057 af, Depth> 1.73" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 8,689 98 Paved parking & roofs2,298 79 50-75% Grass cover, Fair, HSG C 6,394 79 Remainder of former parking 17,381 88 Weighted Average8,692 Pervious Area8,689 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment A-CB56: Runoff = 1.07 cfs @ 12.15 hrs, Volume= 0.089 af, Depth> 1.43" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 20Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Area (sf) CN Description 8,689 98 Paved parking & roofs19,314 79 50-75% Grass cover, Fair, HSG C4,607 79 Remainder of former parking 32,610 84 Weighted Average23,921 Pervious Area8,689 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 7.0 85 0.0850 0.20 Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"2.5 150 0.0200 0.99 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps1.2 210 0.0200 2.87 Shallow Concentrated Flow, Paved Kv= 20.3 fps 10.7 445 Total Subcatchment A-CB57: Runoff = 1.37 cfs @ 12.09 hrs, Volume= 0.098 af, Depth> 1.43" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 8,689 98 Paved parking & roofs25,303 79 50-75% Grass cover, Fair, HSG C1,656 79 Remainder of former parking 35,648 84 Weighted Average26,959 Pervious Area8,689 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment A-CB58: Runoff = 0.59 cfs @ 12.09 hrs, Volume= 0.042 af, Depth> 1.17" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Type III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 924 98 Paved parking & roofs14,770 79 50-75% Grass cover, Fair, HSG C3,146 79 Remainder of former parking 18,840 80 Weighted Average 17,916 Pervious Area Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 21Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC 924 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 3.1 60 0.3300 0.32 Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"0.3 30 0.0600 1.71 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps1.3 80 0.0200 0.99 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps0.4 115 0.0500 4.54 Shallow Concentrated Flow, Paved Kv= 20.3 fps0.9 Direct Entry, Bring up to minimum 6.0 285 Total Subcatchment A-PD12A: A-PD12ARoof Runoff = 2.36 cfs @ 12.09 hrs, Volume= 0.170 af, Depth> 1.98" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 32,000 98 Bldg Roof12,900 74 >75%GrassGoodHSGCwithin AutoCAD building 44,900 91 Weighted Average12,900 Pervious Area32,000 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Direct Subcatchment A-RD12: Runoff = 0.96 cfs @ 12.09 hrs, Volume= 0.068 af, Depth> 1.43" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 10,000 98 Paved parking & roofs14,882 74 >75% GrassGoodHSGC within AutoCADbuilding 24,882 84 Weighted Average14,882 Pervious Area10,000 Impervious Area Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 22Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment A-RD2: Building 02Footprint Runoff = 0.30 cfs @ 12.08 hrs, Volume= 0.024 af, Depth> 2.67" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 4,641 98 Paved parking & roofs 4,641 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment A-RD3: Building 03 Footprint Runoff = 0.30 cfs @ 12.08 hrs, Volume= 0.024 af, Depth> 2.67" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 4,693 98 Paved parking & roofs 4,693 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 Direct Entry, Subcatchment A-TD01: Trench Drain Runoff = 0.13 cfs @ 12.08 hrs, Volume= 0.010 af, Depth> 2.45" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 1,959 98 Paved parking & roofs219 79 50-75% Grass cover, Fair, HSG C 2,178 96 Weighted Average219 Pervious Area1,959 Impervious Area Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 23Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs)6.0 Direct Entry, Subcatchment EARLE: Runoff = 3.14 cfs @ 12.17 hrs, Volume= 0.276 af, Depth> 1.23" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (ac) CN Description 0.380 98 Paved parking & roofs1.910 74 >75% Grass cover, Good, HSG C0.047 98 Paved parking & roofs From 12B0.067 98 Paved parking & roofs from 12A0.283 98 Expand to Existing Boundary in Road 2.687 81 Weighted Average1.910 Pervious Area0.777 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 4.3 58 0.1378 0.23 Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"0.8 147 0.0408 3.25 Shallow Concentrated Flow, Unpaved Kv= 16.1 fps1.2 354 0.1000 5.09 Shallow Concentrated Flow, Unpaved Kv= 16.1 fps5.8 744 0.0110 2.13 Shallow Concentrated Flow, Paved Kv= 20.3 fps 12.1 1,303 Total Subcatchment PDA-5A: Runoff = 1.76 cfs @ 12.11 hrs, Volume= 0.133 af, Depth> 1.17" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (sf) CN Description 41,357 79 50-75% Grass cover, Fair, HSG C14,123 79 Pond Grassed Area3,934 98 Pond Water Surface 59,414 80 Weighted Average55,480 Pervious Area3,934 Impervious Area Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 24Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs)6.3 80 0.1000 0.21 Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"1.1 140 0.1000 2.21 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 7.4 220 Total Subcatchment PDA-5B: Runoff = 0.81 cfs @ 12.11 hrs, Volume= 0.061 af, Depth> 1.43" Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsType III 24-hr 2 Year Rainfall=2.90" Area (ac) CN Description 0.208 98 Paved parking & roofs0.202 74 >75% Grass cover, Good, HSG C0.098 74 >75%Grass Good HSG C from12B 0.508 84 Weighted Average0.300 Pervious Area0.208 Impervious Area Tc Length Slope Velocity Capacity Description(min) (feet) (ft/ft) (ft/sec) (cfs) 5.7 60 0.0700 0.17 Sheet Flow, Grass: Dense n= 0.240 P2= 3.20"1.8 150 0.0400 1.40 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps0.1 15 0.0200 2.87 Shallow Concentrated Flow, Paved Kv= 20.3 fps 7.6 225 Total Reach 24R: DMH13 Stub Inflow Area = 0.354 ac, Inflow Depth > 2.35" for 2 Year eventInflow = 0.93 cfs @ 12.08 hrs, Volume= 0.069 afOutflow = 0.93 cfs @ 12.09 hrs, Volume= 0.069 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsMax. Velocity= 4.89 fps, Min. Travel Time= 0.1 minAvg. Velocity = 1.61 fps, Avg. Travel Time= 0.2 min Peak Storage= 4 cf @ 12.09 hrs, Average Depth at Peak Storage= 0.29'Bank-Full Depth= 1.00', Capacity at Bank-Full= 5.04 cfs 12.0" Diameter Pipe, n= 0.013Length= 20.0' Slope= 0.0200 '/'Inlet Invert= 193.21', Outlet Invert= 192.81' Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 25Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Reach 25R: DMH13 Stub Inflow Area = 0.611 ac, Inflow Depth > 2.45" for 2 Year eventInflow = 1.65 cfs @ 12.08 hrs, Volume= 0.125 afOutflow = 1.65 cfs @ 12.08 hrs, Volume= 0.125 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsMax. Velocity= 5.74 fps, Min. Travel Time= 0.1 minAvg. Velocity = 1.90 fps, Avg. Travel Time= 0.2 min Peak Storage= 6 cf @ 12.08 hrs, Average Depth at Peak Storage= 0.39'Bank-Full Depth= 1.00', Capacity at Bank-Full= 5.04 cfs 12.0" Diameter Pipe, n= 0.013Length= 20.0' Slope= 0.0200 '/'Inlet Invert= 193.21', Outlet Invert= 192.81' Reach 26R: DMH16 Stub Inflow Area = 0.310 ac, Inflow Depth > 2.67" for 2 Year eventInflow = 0.87 cfs @ 12.08 hrs, Volume= 0.069 afOutflow = 0.87 cfs @ 12.08 hrs, Volume= 0.069 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsMax. Velocity= 4.80 fps, Min. Travel Time= 0.1 minAvg. Velocity = 1.58 fps, Avg. Travel Time= 0.2 min Peak Storage= 4 cf @ 12.08 hrs, Average Depth at Peak Storage= 0.28'Bank-Full Depth= 1.00', Capacity at Bank-Full= 5.04 cfs 12.0" Diameter Pipe, n= 0.013Length= 20.0' Slope= 0.0200 '/'Inlet Invert= 187.86', Outlet Invert= 187.46' Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 26Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Reach 27R: DMH23 Stub Inflow Area = 1.588 ac, Inflow Depth > 1.58" for 2 Year eventInflow = 2.94 cfs @ 12.09 hrs, Volume= 0.209 afOutflow = 2.94 cfs @ 12.09 hrs, Volume= 0.209 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsMax. Velocity= 6.63 fps, Min. Travel Time= 0.1 minAvg. Velocity = 2.39 fps, Avg. Travel Time= 0.1 min Peak Storage= 9 cf @ 12.09 hrs, Average Depth at Peak Storage= 0.49'Bank-Full Depth= 1.25', Capacity at Bank-Full= 9.14 cfs 15.0" Diameter Pipe, n= 0.013Length= 20.0' Slope= 0.0200 '/'Inlet Invert= 178.40', Outlet Invert= 178.00' Reach RD12: Roof Drain Inflow Area = 0.571 ac, Inflow Depth > 1.43" for 2 Year eventInflow = 0.96 cfs @ 12.09 hrs, Volume= 0.068 afOutflow = 0.96 cfs @ 12.09 hrs, Volume= 0.068 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsMax. Velocity= 18.83 fps, Min. Travel Time= 0.0 minAvg. Velocity = 6.80 fps, Avg. Travel Time= 0.0 min Peak Storage= 1 cf @ 12.09 hrs, Average Depth at Peak Storage= 0.12'Bank-Full Depth= 0.83', Capacity at Bank-Full= 19.94 cfs 10.0" Diameter Pipe, n= 0.010 PVC, smooth interiorLength= 10.0' Slope= 0.4900 '/'Inlet Invert= 141.00', Outlet Invert= 136.10' Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 27Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Reach Roof2: Inflow Area = 0.107 ac, Inflow Depth > 2.67" for 2 Year eventInflow = 0.30 cfs @ 12.08 hrs, Volume= 0.024 afOutflow = 0.30 cfs @ 12.09 hrs, Volume= 0.024 af, Atten= 0%, Lag= 0.2 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsMax. Velocity= 3.39 fps, Min. Travel Time= 0.3 minAvg. Velocity = 1.11 fps, Avg. Travel Time= 0.8 min Peak Storage= 5 cf @ 12.09 hrs, Average Depth at Peak Storage= 0.18'Bank-Full Depth= 0.83', Capacity at Bank-Full= 2.85 cfs 10.0" Diameter Pipe, n= 0.010 PVC, smooth interiorLength= 55.0' Slope= 0.0100 '/'Inlet Invert= 185.50', Outlet Invert= 184.95' Reach Roof3: Inflow Area = 0.108 ac, Inflow Depth > 2.67" for 2 Year eventInflow = 0.30 cfs @ 12.08 hrs, Volume= 0.024 afOutflow = 0.30 cfs @ 12.09 hrs, Volume= 0.024 af, Atten= 0%, Lag= 0.3 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsMax. Velocity= 3.40 fps, Min. Travel Time= 0.4 minAvg. Velocity = 1.11 fps, Avg. Travel Time= 1.2 min Peak Storage= 7 cf @ 12.09 hrs, Average Depth at Peak Storage= 0.18'Bank-Full Depth= 0.83', Capacity at Bank-Full= 2.85 cfs 10.0" Diameter Pipe, n= 0.010 PVC, smooth interiorLength= 80.0' Slope= 0.0100 '/'Inlet Invert= 183.50', Outlet Invert= 182.70' Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 28Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Pond 2P: CB13 Inflow Area = 0.626 ac, Inflow Depth > 0.75" for 2 Year eventInflow = 0.45 cfs @ 12.13 hrs, Volume= 0.039 afOutflow = 0.45 cfs @ 12.13 hrs, Volume= 0.039 af, Atten= 0%, Lag= 0.0 minPrimary = 0.45 cfs @ 12.13 hrs, Volume= 0.039 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 193.79' @ 12.12 hrsFlood Elev= 197.20' Device Routing Invert Outlet Devices #1 Primary 193.42'12.0" x 36.0' long Culvert Ke= 0.500 Outlet Invert= 192.81' S= 0.0169 '/' Cc= 0.900 n= 0.020 Primary OutFlow Max=0.46 cfs @ 12.13 hrs HW=193.79' TW=193.11' (Dynamic Tailwater) 1=Culvert (Outlet Controls 0.46 cfs @ 2.61 fps) Pond 4P: CB14 Inflow Area = 0.167 ac, Inflow Depth > 1.36" for 2 Year eventInflow = 0.27 cfs @ 12.09 hrs, Volume= 0.019 afOutflow = 0.27 cfs @ 12.09 hrs, Volume= 0.019 af, Atten= 0%, Lag= 0.0 minPrimary = 0.27 cfs @ 12.09 hrs, Volume= 0.019 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 193.77' @ 12.09 hrsFlood Elev= 197.12' Device Routing Invert Outlet Devices #1 Primary 193.52'12.0" x 21.0' long Culvert Ke= 0.500 Outlet Invert= 192.81' S= 0.0338 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=0.27 cfs @ 12.09 hrs HW=193.77' TW=193.16' (Dynamic Tailwater)1=Culvert (Inlet Controls 0.27 cfs @ 1.71 fps) Pond 5P: DMH13 Inflow Area = 1.758 ac, Inflow Depth > 1.72" for 2 Year eventInflow = 3.25 cfs @ 12.09 hrs, Volume= 0.252 afOutflow = 3.25 cfs @ 12.09 hrs, Volume= 0.252 af, Atten= 0%, Lag= 0.0 minPrimary = 3.25 cfs @ 12.09 hrs, Volume= 0.252 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 29Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Peak Elev= 193.16' @ 12.09 hrsFlood Elev= 197.01' Device Routing Invert Outlet Devices #1 Primary 192.31'18.0" x 120.0' long Culvert Ke= 0.500 Outlet Invert= 190.51' S= 0.0150 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=3.25 cfs @ 12.09 hrs HW=193.16' TW=191.26' (Dynamic Tailwater) 1=Culvert (Inlet Controls 3.25 cfs @ 3.14 fps) Pond 10P: DMH14 Inflow Area = 1.758 ac, Inflow Depth > 1.72" for 2 Year eventInflow = 3.25 cfs @ 12.09 hrs, Volume= 0.252 afOutflow = 3.25 cfs @ 12.09 hrs, Volume= 0.252 af, Atten= 0%, Lag= 0.0 minPrimary = 3.25 cfs @ 12.09 hrs, Volume= 0.252 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 191.26' @ 12.09 hrsFlood Elev= 195.00' Device Routing Invert Outlet Devices #1 Primary 190.41'18.0" x 120.0' long Culvert Ke= 0.500 Outlet Invert= 188.61' S= 0.0150 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=3.25 cfs @ 12.09 hrs HW=191.26' TW=189.57' (Dynamic Tailwater)1=Culvert (Inlet Controls 3.25 cfs @ 3.14 fps) Pond 11P: DMH15 Inflow Area = 2.591 ac, Inflow Depth > 1.64" for 2 Year eventInflow = 4.68 cfs @ 12.09 hrs, Volume= 0.354 afOutflow = 4.68 cfs @ 12.09 hrs, Volume= 0.354 af, Atten= 0%, Lag= 0.0 minPrimary = 4.68 cfs @ 12.09 hrs, Volume= 0.354 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 189.57' @ 12.09 hrsFlood Elev= 193.65' Device Routing Invert Outlet Devices #1 Primary 188.51'18.0" x 103.0' long Culvert Ke= 0.500 Outlet Invert= 186.96' S= 0.0150 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=4.68 cfs @ 12.09 hrs HW=189.57' TW=188.05' (Dynamic Tailwater)1=Culvert (Inlet Controls 4.68 cfs @ 3.51 fps) Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 30Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Pond 13P: CB15 Inflow Area = 0.426 ac, Inflow Depth > 1.58" for 2 Year eventInflow = 0.79 cfs @ 12.09 hrs, Volume= 0.056 afOutflow = 0.79 cfs @ 12.09 hrs, Volume= 0.056 af, Atten= 0%, Lag= 0.0 minPrimary = 0.79 cfs @ 12.09 hrs, Volume= 0.056 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 190.36' @ 12.09 hrsFlood Elev= 193.60' Device Routing Invert Outlet Devices #1 Primary 189.91'12.0" x 40.0' long Culvert Ke= 0.500 Outlet Invert= 189.11' S= 0.0200 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=0.79 cfs @ 12.09 hrs HW=190.36' TW=189.57' (Dynamic Tailwater)1=Culvert (Inlet Controls 0.79 cfs @ 2.29 fps) Pond 14P: CB16 Inflow Area = 0.407 ac, Inflow Depth > 1.36" for 2 Year eventInflow = 0.65 cfs @ 12.09 hrs, Volume= 0.046 afOutflow = 0.65 cfs @ 12.09 hrs, Volume= 0.046 af, Atten= 0%, Lag= 0.0 minPrimary = 0.65 cfs @ 12.09 hrs, Volume= 0.046 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 190.31' @ 12.09 hrsFlood Elev= 193.30' Device Routing Invert Outlet Devices #1 Primary 189.90'12.0" x 22.0' long Culvert Ke= 0.500 Outlet Invert= 189.11' S= 0.0359 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=0.65 cfs @ 12.09 hrs HW=190.31' TW=189.57' (Dynamic Tailwater)1=Culvert (Inlet Controls 0.65 cfs @ 2.17 fps) Pond 16P: DMH16 Inflow Area = 2.901 ac, Inflow Depth > 1.75" for 2 Year eventInflow = 5.55 cfs @ 12.09 hrs, Volume= 0.423 afOutflow = 5.55 cfs @ 12.09 hrs, Volume= 0.423 af, Atten= 0%, Lag= 0.0 minPrimary = 5.55 cfs @ 12.09 hrs, Volume= 0.423 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 188.05' @ 12.09 hrsFlood Elev= 194.44' Device Routing Invert Outlet Devices #1 Primary 186.86'18.0" x 81.0' long Culvert Ke= 0.500 Outlet Invert= 183.64' S= 0.0398 '/' Cc= 0.900 n= 0.013 Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 31Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Primary OutFlow Max=5.55 cfs @ 12.09 hrs HW=188.04' TW=184.72' (Dynamic Tailwater)1=Culvert (Inlet Controls 5.55 cfs @ 3.71 fps) Pond 19A: Inflow Area = 0.375 ac, Inflow Depth > 1.50" for 2 Year eventInflow = 0.59 cfs @ 12.13 hrs, Volume= 0.047 afOutflow = 0.59 cfs @ 12.13 hrs, Volume= 0.047 af, Atten= 0%, Lag= 0.0 minPrimary = 0.59 cfs @ 12.13 hrs, Volume= 0.047 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 175.38' @ 12.13 hrsFlood Elev= 179.54' Device Routing Invert Outlet Devices #1 Primary 175.00'12.0" x 20.0' long Culvert Ke= 0.500 Outlet Invert= 173.35' S= 0.0825 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=0.59 cfs @ 12.13 hrs HW=175.38' TW=174.04' (Dynamic Tailwater)1=Culvert (Inlet Controls 0.59 cfs @ 2.11 fps) Pond 19B: Inflow Area = 0.122 ac, Inflow Depth > 1.81" for 2 Year eventInflow = 0.26 cfs @ 12.09 hrs, Volume= 0.018 afOutflow = 0.26 cfs @ 12.09 hrs, Volume= 0.018 af, Atten= 0%, Lag= 0.0 minPrimary = 0.26 cfs @ 12.09 hrs, Volume= 0.018 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 175.25' @ 12.09 hrsFlood Elev= 179.54' Device Routing Invert Outlet Devices #1 Primary 175.00'12.0" x 20.0' long Culvert Ke= 0.500 Outlet Invert= 173.35' S= 0.0825 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=0.26 cfs @ 12.09 hrs HW=175.25' TW=174.09' (Dynamic Tailwater)1=Culvert (Inlet Controls 0.26 cfs @ 1.70 fps) Pond 19P: DMH22 Inflow Area = 2.901 ac, Inflow Depth > 1.75" for 2 Year eventInflow = 5.55 cfs @ 12.09 hrs, Volume= 0.423 afOutflow = 5.55 cfs @ 12.09 hrs, Volume= 0.423 af, Atten= 0%, Lag= 0.0 minPrimary = 5.55 cfs @ 12.09 hrs, Volume= 0.423 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 184.73' @ 12.09 hrsFlood Elev= 187.00' Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 32Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 183.54'18.0" x 193.0' long Culvert Ke= 0.500 Outlet Invert= 177.75' S= 0.0300 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=5.55 cfs @ 12.09 hrs HW=184.72' TW=178.61' (Dynamic Tailwater)1=Culvert (Inlet Controls 5.55 cfs @ 3.71 fps) Pond 20P: DMH23 Inflow Area = 4.489 ac, Inflow Depth > 1.69" for 2 Year eventInflow = 8.49 cfs @ 12.09 hrs, Volume= 0.632 afOutflow = 8.49 cfs @ 12.09 hrs, Volume= 0.632 af, Atten= 0%, Lag= 0.0 minPrimary = 8.49 cfs @ 12.09 hrs, Volume= 0.632 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 178.62' @ 12.11 hrsFlood Elev= 182.00' Device Routing Invert Outlet Devices #1 Primary 177.25'24.0" x 100.0' long Culvert Ke= 0.500 Outlet Invert= 176.25' S= 0.0100 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=8.27 cfs @ 12.09 hrs HW=178.61' TW=177.48' (Dynamic Tailwater)1=Culvert (Outlet Controls 8.27 cfs @ 5.15 fps) Pond 21P: Basin6 Inflow Area = 5.343 ac, Inflow Depth > 1.65" for 2 Year eventInflow = 9.92 cfs @ 12.09 hrs, Volume= 0.734 afOutflow = 2.62 cfs @ 12.48 hrs, Volume= 0.718 af, Atten= 74%, Lag= 23.2 minPrimary = 2.62 cfs @ 12.48 hrs, Volume= 0.718 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 178.32' @ 12.48 hrs Surf.Area= 0.131 ac Storage= 0.250 afFlood Elev= 180.00' Surf.Area= 0.162 ac Storage= 0.495 af Plug-Flow detention time= 70.0 min calculated for 0.718 af (98% of inflow)Center-of-Mass det. time= 57.5 min ( 869.4 - 811.9 ) Volume Invert Avail.Storage Storage Description #1 176.00' 0.495 af Custom Stage Data (Conic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store Wet.Area(feet) (acres) (acre-feet) (acre-feet) (acres) 176.00 0.085 0.000 0.000 0.085178.00 0.125 0.209 0.209 0.126180.00 0.162 0.286 0.495 0.166 Device Routing Invert Outlet Devices #1 Primary 176.00'6.0" x 50.0' long Culvert X 2.00 Box, headwall w/3 square edges, Ke= 0.500 Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 33Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Outlet Invert= 175.75' S= 0.0050 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections #2 Primary 178.20'5.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) 2.2' Crest Height Primary OutFlow Max=2.62 cfs @ 12.48 hrs HW=178.32' TW=0.00' (Dynamic Tailwater)1=Culvert (Barrel Controls 1.94 cfs @ 4.94 fps)2=Sharp-Crested Rectangular Weir (Weir Controls 0.68 cfs @ 1.14 fps) Pond 26P: Deten02&03 Inflow Area = 1.408 ac, Inflow Depth > 1.88" for 2 Year eventInflow = 3.08 cfs @ 12.09 hrs, Volume= 0.221 afOutflow = 0.73 cfs @ 12.49 hrs, Volume= 0.217 af, Atten= 76%, Lag= 24.3 minPrimary = 0.73 cfs @ 12.49 hrs, Volume= 0.217 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 192.54' @ 12.49 hrs Surf.Area= 5,430 sf Storage= 3,324 cfFlood Elev= 194.20' Surf.Area= 0 sf Storage= 11,290 cf Plug-Flow detention time= 64.6 min calculated for 0.217 af (98% of inflow)Center-of-Mass det. time= 53.6 min ( 864.1 - 810.4 ) Volume Invert Avail.Storage Storage Description #1 191.70' 11,290 cf 30.0"D x 100.00'L Horizontal Cylinder x 23 Device Routing Invert Outlet Devices #1 Primary 193.95'4.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 #2 Primary 191.70'6.0" Vert. Orifice/Grate C= 0.600 Primary OutFlow Max=0.73 cfs @ 12.49 hrs HW=192.54' TW=185.47' (Dynamic Tailwater)1=Broad-Crested Rectangular Weir ( Controls 0.00 cfs)2=Orifice/Grate (Orifice Controls 0.73 cfs @ 3.69 fps) Pond 29P: Infil04 Inflow Area = 2.948 ac, Inflow Depth > 1.74" for 2 Year eventInflow = 3.54 cfs @ 12.09 hrs, Volume= 0.428 afOutflow = 0.67 cfs @ 13.93 hrs, Volume= 0.395 af, Atten= 81%, Lag= 110.4 minDiscarded = 0.30 cfs @ 13.93 hrs, Volume= 0.329 afPrimary = 0.38 cfs @ 13.93 hrs, Volume= 0.066 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 186.03' @ 13.93 hrs Surf.Area= 5,233 sf Storage= 7,095 cfFlood Elev= 187.60' Surf.Area= 5,233 sf Storage= 11,461 cf Plug-Flow detention time= (not calculated: outflow precedes inflow)Center-of-Mass det. time= 152.8 min ( 996.3 - 843.5 ) Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 34Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Volume Invert Avail.Storage Storage Description #1 184.10' 4,570 cf 49.00'W x 106.80'L x 3.50'H Prismatoid18,316 cf Overall - 6,891 cf Embedded = 11,425 cf x 40.0% Voids#2 184.60' 6,891 cf 44.6"W x 30.0"H x 7.12'L StormTech SC-740 x 150 Inside #1 11,461 cf Total Available Storage Device Routing Invert Outlet Devices #1 Discarded 0.00'2.210 in/hr Exfiltration over Wetted area #2 Primary 186.85'4.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 #3 Primary 185.68'8.0" Vert. Orifice/Grate C= 0.600 Discarded OutFlow Max=0.30 cfs @ 13.93 hrs HW=186.03' (Free Discharge)1=Exfiltration (Exfiltration Controls 0.30 cfs) Primary OutFlow Max=0.38 cfs @ 13.93 hrs HW=186.03' TW=185.06' (Dynamic Tailwater)2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs)3=Orifice/Grate (Orifice Controls 0.38 cfs @ 2.02 fps) Pond 32P: Deten05 Inflow Area = 3.783 ac, Inflow Depth > 0.65" for 2 Year eventInflow = 1.91 cfs @ 12.09 hrs, Volume= 0.204 afOutflow = 0.59 cfs @ 12.41 hrs, Volume= 0.181 af, Atten= 69%, Lag= 19.4 minPrimary = 0.59 cfs @ 12.41 hrs, Volume= 0.181 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 185.20' @ 12.41 hrs Surf.Area= 0 sf Storage= 2,559 cfFlood Elev= 187.60' Surf.Area= 0 sf Storage= 8,089 cf Plug-Flow detention time= 107.9 min calculated for 0.181 af (89% of inflow) Center-of-Mass det. time= 67.1 min ( 892.1 - 825.0 ) Volume Invert Avail.Storage Storage Description #1 184.10' 8,089 cf Custom Stage Data Listed below Elevation Cum.Store(feet) (cubic-feet) 184.10 0184.60 730185.85 4,520187.10 7,359187.60 8,089 Device Routing Invert Outlet Devices #1 Primary 186.90'3.0' long x 0.5' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 Coef. (English) 2.80 2.92 3.08 3.30 3.32 #2 Primary 184.60'6.0" Vert. Orifice/Grate C= 0.600 #3 Primary 185.10'6.0" Vert. Orifice/Grate C= 0.600 Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 35Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Primary OutFlow Max=0.59 cfs @ 12.41 hrs HW=185.20' TW=0.00' (Dynamic Tailwater)1=Broad-Crested Rectangular Weir ( Controls 0.00 cfs)2=Orifice/Grate (Orifice Controls 0.56 cfs @ 2.86 fps)3=Orifice/Grate (Orifice Controls 0.03 cfs @ 1.09 fps) Pond BAS05: Inflow Area = 8.181 ac, Inflow Depth > 1.69" for 2 Year eventInflow = 15.26 cfs @ 12.09 hrs, Volume= 1.155 afOutflow = 1.90 cfs @ 12.80 hrs, Volume= 0.743 af, Atten= 88%, Lag= 42.6 minPrimary = 1.90 cfs @ 12.80 hrs, Volume= 0.743 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 138.67' @ 12.80 hrs Surf.Area= 0.240 ac Storage= 0.616 afFlood Elev= 142.00' Surf.Area= 0.363 ac Storage= 1.639 af Plug-Flow detention time= 233.3 min calculated for 0.743 af (64% of inflow)Center-of-Mass det. time= 129.7 min ( 942.7 - 813.0 ) Volume Invert Avail.Storage Storage Description #1 134.00' 1.639 af Custom Stage Data (Irregular) Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area(feet) (acres) (feet) (acre-feet) (acre-feet) (acres) 134.00 0.056 222.8 0.000 0.000 0.056136.00 0.090 264.6 0.145 0.145 0.095137.00 0.172 551.9 0.129 0.273 0.524138.00 0.211 580.5 0.191 0.465 0.584140.00 0.302 422.2 0.510 0.975 0.875 142.00 0.363 459.9 0.664 1.639 0.939 Device Routing Invert Outlet Devices #1 Primary 137.50'15.0" x 50.0' long Culvert Box, headwall w/3 square edges, Ke= 0.500 Outlet Invert= 134.00' S= 0.0700 '/' Cc= 0.900 n= 0.013 #2 Device 1 137.50'9.0" Vert. Orifice/Grate C= 0.600 #3 Device 1 139.00'9.0" Vert. Orifice/Grate C= 0.600 #4 Device 1 140.50'3.2' long x 1.50' rise Sharp-Crested Rectangular Weir 2 End Contraction(s) 3.0' Crest Height Primary OutFlow Max=1.90 cfs @ 12.80 hrs HW=138.67' TW=134.70' (Dynamic Tailwater)1=Culvert (Passes 1.90 cfs of 4.41 cfs potential flow)2=Orifice/Grate (Orifice Controls 1.90 cfs @ 4.30 fps)3=Orifice/Grate ( Controls 0.00 cfs) 4=Sharp-Crested Rectangular Weir ( Controls 0.00 cfs) Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 36Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Pond CB17: Inflow Area = 0.198 ac, Inflow Depth > 1.98" for 2 Year eventInflow = 0.45 cfs @ 12.09 hrs, Volume= 0.033 afOutflow = 0.45 cfs @ 12.09 hrs, Volume= 0.033 af, Atten= 0%, Lag= 0.0 minPrimary = 0.45 cfs @ 12.09 hrs, Volume= 0.033 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 179.50' @ 12.09 hrsFlood Elev= 183.41' Device Routing Invert Outlet Devices #1 Primary 179.17'12.0" x 54.2' long Culvert Ke= 0.500 Outlet Invert= 177.00' S= 0.0400 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=0.45 cfs @ 12.09 hrs HW=179.50' TW=177.98' (Dynamic Tailwater)1=Culvert (Inlet Controls 0.45 cfs @ 1.97 fps) Pond CB18: Inflow Area = 0.275 ac, Inflow Depth > 2.06" for 2 Year eventInflow = 0.66 cfs @ 12.09 hrs, Volume= 0.047 afOutflow = 0.66 cfs @ 12.09 hrs, Volume= 0.047 af, Atten= 0%, Lag= 0.0 minPrimary = 0.66 cfs @ 12.09 hrs, Volume= 0.047 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 179.30' @ 12.09 hrsFlood Elev= 183.06' Device Routing Invert Outlet Devices #1 Primary 178.92'15.0" x 40.0' long Culvert Ke= 0.500 Outlet Invert= 177.00' S= 0.0480 '/' Cc= 0.900 n= 0.012 Primary OutFlow Max=0.65 cfs @ 12.09 hrs HW=179.30' TW=177.98' (Dynamic Tailwater) 1=Culvert (Inlet Controls 0.65 cfs @ 2.09 fps) Pond CB19: Inflow Area = 0.250 ac, Inflow Depth > 1.50" for 2 Year eventInflow = 0.44 cfs @ 12.09 hrs, Volume= 0.031 afOutflow = 0.44 cfs @ 12.09 hrs, Volume= 0.031 af, Atten= 0%, Lag= 0.0 minPrimary = 0.44 cfs @ 12.09 hrs, Volume= 0.031 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 166.39' @ 12.09 hrsFlood Elev= 170.06' Device Routing Invert Outlet Devices #1 Primary 166.06'12.0" x 14.0' long Culvert CPP, square edge headwall, Ke= 0.500 Outlet Invert= 165.54' S= 0.0371 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 37Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Primary OutFlow Max=0.44 cfs @ 12.09 hrs HW=166.39' TW=165.91' (Dynamic Tailwater)1=Culvert (Inlet Controls 0.44 cfs @ 1.95 fps) Pond CB20: CB20 Inflow Area = 0.160 ac, Inflow Depth > 1.98" for 2 Year eventInflow = 0.37 cfs @ 12.09 hrs, Volume= 0.026 afOutflow = 0.37 cfs @ 12.09 hrs, Volume= 0.026 af, Atten= 0%, Lag= 0.0 minPrimary = 0.37 cfs @ 12.09 hrs, Volume= 0.026 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 166.26' @ 12.09 hrsFlood Elev= 169.96' Device Routing Invert Outlet Devices #1 Primary 165.96'12.0" x 21.0' long Culvert RCP, square edge headwall, Ke= 0.500 Outlet Invert= 165.54' S= 0.0200 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=0.36 cfs @ 12.09 hrs HW=166.26' TW=165.90' (Dynamic Tailwater)1=Culvert (Outlet Controls 0.36 cfs @ 2.76 fps) Pond CB33: Inflow Area = 0.272 ac, Inflow Depth > 2.56" for 2 Year eventInflow = 0.75 cfs @ 12.08 hrs, Volume= 0.058 afOutflow = 0.75 cfs @ 12.08 hrs, Volume= 0.058 af, Atten= 0%, Lag= 0.0 min Primary = 0.75 cfs @ 12.08 hrs, Volume= 0.058 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 185.95' @ 12.09 hrsFlood Elev= 191.75' Device Routing Invert Outlet Devices #1 Primary 185.50'12.0" x 24.0' long Culvert CPP, square edge headwall, Ke= 0.500 Outlet Invert= 185.00' S= 0.0208 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections Primary OutFlow Max=0.75 cfs @ 12.08 hrs HW=185.95' TW=185.53' (Dynamic Tailwater)1=Culvert (Outlet Controls 0.75 cfs @ 3.22 fps) Pond CB34: Inflow Area = 0.409 ac, Inflow Depth > 2.35" for 2 Year eventInflow = 1.07 cfs @ 12.08 hrs, Volume= 0.080 afOutflow = 1.07 cfs @ 12.08 hrs, Volume= 0.080 af, Atten= 0%, Lag= 0.0 minPrimary = 1.07 cfs @ 12.08 hrs, Volume= 0.080 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 38Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Peak Elev= 184.04' @ 12.08 hrsFlood Elev= 187.00' Device Routing Invert Outlet Devices #1 Primary 183.50'12.0" x 30.0' long Culvert CPP, square edge headwall, Ke= 0.500 Outlet Invert= 183.00' S= 0.0167 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections Primary OutFlow Max=1.07 cfs @ 12.08 hrs HW=184.04' TW=168.90' (Dynamic Tailwater)1=Culvert (Inlet Controls 1.07 cfs @ 2.49 fps) Pond CB36: Inflow Area = 0.258 ac, Inflow Depth > 2.35" for 2 Year eventInflow = 0.68 cfs @ 12.08 hrs, Volume= 0.051 afOutflow = 0.68 cfs @ 12.08 hrs, Volume= 0.051 af, Atten= 0%, Lag= 0.0 minPrimary = 0.68 cfs @ 12.08 hrs, Volume= 0.051 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 187.99' @ 12.09 hrsFlood Elev= 191.50' Device Routing Invert Outlet Devices #1 Primary 187.50'12.0" x 50.0' long Culvert Ke= 0.500 Outlet Invert= 187.00' S= 0.0100 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=0.67 cfs @ 12.08 hrs HW=187.98' TW=187.60' (Dynamic Tailwater)1=Culvert (Outlet Controls 0.67 cfs @ 2.61 fps) Pond CB37: Inflow Area = 0.232 ac, Inflow Depth > 2.45" for 2 Year eventInflow = 0.62 cfs @ 12.08 hrs, Volume= 0.047 afOutflow = 0.62 cfs @ 12.08 hrs, Volume= 0.047 af, Atten= 0%, Lag= 0.0 minPrimary = 0.62 cfs @ 12.08 hrs, Volume= 0.047 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 188.18' @ 12.09 hrs Flood Elev= 192.20' Device Routing Invert Outlet Devices #1 Primary 187.70'12.0" x 105.0' long Culvert Ke= 0.500 Outlet Invert= 187.00' S= 0.0067 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=0.62 cfs @ 12.08 hrs HW=188.18' TW=187.60' (Dynamic Tailwater)1=Culvert (Outlet Controls 0.62 cfs @ 2.47 fps) Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 39Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Pond CB55: Inflow Area = 0.399 ac, Inflow Depth > 1.73" for 2 Year eventInflow = 0.81 cfs @ 12.09 hrs, Volume= 0.057 afOutflow = 0.81 cfs @ 12.09 hrs, Volume= 0.057 af, Atten= 0%, Lag= 0.0 minPrimary = 0.81 cfs @ 12.09 hrs, Volume= 0.057 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 139.15' @ 12.11 hrsFlood Elev= 142.00' Device Routing Invert Outlet Devices #1 Primary 138.00'12.0" x 50.0' long Culvert Ke= 0.500 Outlet Invert= 137.60' S= 0.0080 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=0.64 cfs @ 12.09 hrs HW=139.12' TW=139.08' (Dynamic Tailwater)1=Culvert (Outlet Controls 0.64 cfs @ 0.90 fps) Pond CB56: Inflow Area = 0.749 ac, Inflow Depth > 1.43" for 2 Year eventInflow = 1.07 cfs @ 12.15 hrs, Volume= 0.089 afOutflow = 1.07 cfs @ 12.15 hrs, Volume= 0.089 af, Atten= 0%, Lag= 0.0 minPrimary = 1.07 cfs @ 12.15 hrs, Volume= 0.089 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 141.54' @ 12.15 hrsFlood Elev= 145.00' Device Routing Invert Outlet Devices #1 Primary 141.00'12.0" x 15.0' long Culvert Ke= 0.500 Outlet Invert= 140.00' S= 0.0667 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=1.07 cfs @ 12.15 hrs HW=141.54' TW=140.46' (Dynamic Tailwater) 1=Culvert (Inlet Controls 1.07 cfs @ 2.49 fps) Pond CB57: Inflow Area = 0.818 ac, Inflow Depth > 1.43" for 2 Year eventInflow = 1.37 cfs @ 12.09 hrs, Volume= 0.098 afOutflow = 1.37 cfs @ 12.09 hrs, Volume= 0.098 af, Atten= 0%, Lag= 0.0 minPrimary = 1.37 cfs @ 12.09 hrs, Volume= 0.098 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 145.62' @ 12.09 hrsFlood Elev= 150.50' Device Routing Invert Outlet Devices #1 Primary 145.00'12.0" x 65.0' long Culvert Ke= 0.500 Outlet Invert= 140.00' S= 0.0769 '/' Cc= 0.900 n= 0.013 Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 40Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Primary OutFlow Max=1.37 cfs @ 12.09 hrs HW=145.62' TW=140.49' (Dynamic Tailwater)1=Culvert (Inlet Controls 1.37 cfs @ 2.68 fps) Pond CB58: Inflow Area = 0.433 ac, Inflow Depth > 1.17" for 2 Year eventInflow = 0.59 cfs @ 12.09 hrs, Volume= 0.042 afOutflow = 0.59 cfs @ 12.09 hrs, Volume= 0.042 af, Atten= 0%, Lag= 0.0 minPrimary = 0.59 cfs @ 12.09 hrs, Volume= 0.042 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 140.67' @ 12.10 hrsFlood Elev= 144.00' Device Routing Invert Outlet Devices #1 Primary 140.20'12.0" x 15.0' long Culvert Ke= 0.500 Outlet Invert= 140.00' S= 0.0133 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=0.57 cfs @ 12.09 hrs HW=140.67' TW=140.49' (Dynamic Tailwater)1=Culvert (Outlet Controls 0.57 cfs @ 2.30 fps) Pond DMH17: Inflow Area = 0.473 ac, Inflow Depth > 2.03" for 2 Year eventInflow = 1.11 cfs @ 12.09 hrs, Volume= 0.080 afOutflow = 1.11 cfs @ 12.09 hrs, Volume= 0.080 af, Atten= 0%, Lag= 0.0 minPrimary = 1.11 cfs @ 12.09 hrs, Volume= 0.080 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 177.98' @ 12.09 hrsFlood Elev= 181.48' Device Routing Invert Outlet Devices #1 Primary 177.48'15.0" x 160.0' long Culvert Ke= 0.500 Outlet Invert= 173.35' S= 0.0258 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=1.11 cfs @ 12.09 hrs HW=177.98' TW=174.09' (Dynamic Tailwater)1=Culvert (Inlet Controls 1.11 cfs @ 2.41 fps) Pond DMH19: Inflow Area = 1.461 ac, Inflow Depth > 2.00" for 2 Year eventInflow = 3.19 cfs @ 12.09 hrs, Volume= 0.243 afOutflow = 3.19 cfs @ 12.09 hrs, Volume= 0.243 af, Atten= 0%, Lag= 0.0 minPrimary = 3.19 cfs @ 12.09 hrs, Volume= 0.243 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 174.09' @ 12.09 hrsFlood Elev= 178.07' Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 41Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 173.25'18.0" x 156.0' long Culvert CPP, square edge headwall, Ke= 0.500 Outlet Invert= 164.35' S= 0.0571 '/' Cc= 0.900 n= 0.013 Concrete pipe, straight & clean Primary OutFlow Max=3.19 cfs @ 12.09 hrs HW=174.09' TW=165.57' (Dynamic Tailwater)1=Culvert (Inlet Controls 3.19 cfs @ 3.12 fps) Pond DMH20: DMH in Roadway Inflow Area = 2.767 ac, Inflow Depth > 2.11" for 2 Year eventInflow = 6.42 cfs @ 12.09 hrs, Volume= 0.487 afOutflow = 6.42 cfs @ 12.09 hrs, Volume= 0.487 af, Atten= 0%, Lag= 0.0 minPrimary = 6.42 cfs @ 12.09 hrs, Volume= 0.487 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 165.57' @ 12.09 hrsFlood Elev= 173.32' Device Routing Invert Outlet Devices #1 Primary 164.25'18.0" x 102.0' long Culvert Ke= 0.500 Outlet Invert= 157.35' S= 0.0676 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=6.42 cfs @ 12.09 hrs HW=165.57' TW=155.92' (Dynamic Tailwater)1=Culvert (Inlet Controls 6.42 cfs @ 3.91 fps) Pond DMH21: Inflow Area = 0.410 ac, Inflow Depth > 1.69" for 2 Year eventInflow = 0.81 cfs @ 12.09 hrs, Volume= 0.058 afOutflow = 0.81 cfs @ 12.09 hrs, Volume= 0.058 af, Atten= 0%, Lag= 0.0 minPrimary = 0.81 cfs @ 12.09 hrs, Volume= 0.058 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 165.91' @ 12.09 hrsFlood Elev= 171.04' Device Routing Invert Outlet Devices #1 Primary 165.44'18.0" x 45.0' long Culvert Ke= 0.500 Outlet Invert= 164.35' S= 0.0242 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=0.80 cfs @ 12.09 hrs HW=165.90' TW=165.57' (Dynamic Tailwater)1=Culvert (Outlet Controls 0.80 cfs @ 2.56 fps) Pond DMH24: Inflow Area = 2.767 ac, Inflow Depth > 2.11" for 2 Year eventInflow = 6.42 cfs @ 12.09 hrs, Volume= 0.487 afOutflow = 6.42 cfs @ 12.09 hrs, Volume= 0.487 af, Atten= 0%, Lag= 0.0 minPrimary = 6.42 cfs @ 12.09 hrs, Volume= 0.487 af Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 42Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 155.92' @ 12.09 hrsFlood Elev= 161.38' Device Routing Invert Outlet Devices #1 Primary 154.60'18.0" x 32.0' long Culvert Ke= 0.500 Outlet Invert= 152.75' S= 0.0578 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=6.42 cfs @ 12.09 hrs HW=155.92' TW=148.91' (Dynamic Tailwater)1=Culvert (Inlet Controls 6.42 cfs @ 3.91 fps) Pond DMH25: End Of Cross Country Drain-Line Inflow Area = 2.767 ac, Inflow Depth > 2.11" for 2 Year eventInflow = 6.42 cfs @ 12.09 hrs, Volume= 0.487 afOutflow = 6.42 cfs @ 12.09 hrs, Volume= 0.487 af, Atten= 0%, Lag= 0.0 minPrimary = 6.42 cfs @ 12.09 hrs, Volume= 0.487 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 148.91' @ 12.09 hrsFlood Elev= 156.75' Device Routing Invert Outlet Devices #1 Primary 147.80'24.0" x 143.0' long Culvert Ke= 0.500 Outlet Invert= 139.42' S= 0.0586 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=6.42 cfs @ 12.09 hrs HW=148.91' TW=137.51' (Dynamic Tailwater)1=Culvert (Inlet Controls 6.42 cfs @ 3.59 fps) Pond DMH30: Inflow Area = 0.490 ac, Inflow Depth > 2.40" for 2 Year eventInflow = 1.30 cfs @ 12.08 hrs, Volume= 0.098 afOutflow = 1.30 cfs @ 12.08 hrs, Volume= 0.098 af, Atten= 0%, Lag= 0.0 minPrimary = 1.30 cfs @ 12.08 hrs, Volume= 0.098 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 187.60' @ 12.08 hrs Flood Elev= 191.00' Device Routing Invert Outlet Devices #1 Primary 187.00'12.0" x 98.0' long Culvert Ke= 0.500 Outlet Invert= 174.80' S= 0.1245 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=1.30 cfs @ 12.08 hrs HW=187.60' TW=174.09' (Dynamic Tailwater)1=Culvert (Inlet Controls 1.30 cfs @ 2.64 fps) Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 43Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Pond DMH36: Inflow Area = 0.379 ac, Inflow Depth > 2.59" for 2 Year eventInflow = 1.05 cfs @ 12.08 hrs, Volume= 0.082 afOutflow = 1.05 cfs @ 12.08 hrs, Volume= 0.082 af, Atten= 0%, Lag= 0.0 minPrimary = 1.05 cfs @ 12.08 hrs, Volume= 0.082 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 185.53' @ 12.08 hrsFlood Elev= 191.50' Device Routing Invert Outlet Devices #1 Primary 185.00'12.0" x 120.0' long Culvert CPP, square edge headwall, Ke= 0.500 Outlet Invert= 183.00' S= 0.0167 '/' Cc= 0.900 n= 0.013 Concrete pipe, bends & connections Primary OutFlow Max=1.05 cfs @ 12.08 hrs HW=185.53' TW=168.90' (Dynamic Tailwater) 1=Culvert (Inlet Controls 1.05 cfs @ 2.48 fps) Pond DMH37: Inflow Area = 0.895 ac, Inflow Depth > 2.49" for 2 Year eventInflow = 2.42 cfs @ 12.09 hrs, Volume= 0.186 afOutflow = 2.42 cfs @ 12.09 hrs, Volume= 0.186 af, Atten= 0%, Lag= 0.0 minPrimary = 2.42 cfs @ 12.09 hrs, Volume= 0.186 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 168.91' @ 12.09 hrsFlood Elev= 188.00' Device Routing Invert Outlet Devices #1 Primary 168.00'12.0" x 67.0' long Culvert Ke= 0.500 Outlet Invert= 164.25' S= 0.0560 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=2.42 cfs @ 12.09 hrs HW=168.90' TW=165.56' (Dynamic Tailwater)1=Culvert (Inlet Controls 2.42 cfs @ 3.24 fps) Pond DMH54: Inflow Area = 1.999 ac, Inflow Depth > 1.38" for 2 Year eventInflow = 2.90 cfs @ 12.11 hrs, Volume= 0.229 afOutflow = 2.90 cfs @ 12.11 hrs, Volume= 0.229 af, Atten= 0%, Lag= 0.0 minPrimary = 2.90 cfs @ 12.11 hrs, Volume= 0.229 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 140.50' @ 12.11 hrsFlood Elev= 144.20' Device Routing Invert Outlet Devices #1 Primary 139.70'18.0" x 65.0' long Culvert Ke= 0.500 Outlet Invert= 137.70' S= 0.0308 '/' Cc= 0.900 n= 0.013 Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 44Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Primary OutFlow Max=2.90 cfs @ 12.11 hrs HW=140.50' TW=139.10' (Dynamic Tailwater)1=Culvert (Inlet Controls 2.90 cfs @ 3.04 fps) Pond DMH55: Inflow Area = 3.479 ac, Inflow Depth > 1.61" for 2 Year eventInflow = 6.17 cfs @ 12.09 hrs, Volume= 0.467 afOutflow = 6.17 cfs @ 12.09 hrs, Volume= 0.467 af, Atten= 0%, Lag= 0.0 minPrimary = 6.17 cfs @ 12.09 hrs, Volume= 0.467 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 139.10' @ 12.11 hrsFlood Elev= 143.00' Device Routing Invert Outlet Devices #1 Primary 137.90'24.0" x 180.0' long Culvert Ke= 0.500 Outlet Invert= 136.10' S= 0.0100 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=6.05 cfs @ 12.09 hrs HW=139.09' TW=137.87' (Dynamic Tailwater)1=Culvert (Outlet Controls 6.05 cfs @ 4.44 fps) Pond DMH56: Stormwater from Undeveloped Area On Lot 12 Inflow Area = 4.050 ac, Inflow Depth > 1.58" for 2 Year eventInflow = 7.13 cfs @ 12.09 hrs, Volume= 0.535 afOutflow = 7.13 cfs @ 12.09 hrs, Volume= 0.535 af, Atten= 0%, Lag= 0.0 minPrimary = 7.13 cfs @ 12.09 hrs, Volume= 0.535 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 138.68' @ 12.80 hrsFlood Elev= 142.00' Device Routing Invert Outlet Devices #1 Primary 136.00'24.0" x 130.0' long Culvert Ke= 0.500 Outlet Invert= 134.70' S= 0.0100 '/' Cc= 0.900 n= 0.013 Primary OutFlow Max=6.51 cfs @ 12.09 hrs HW=137.87' TW=137.54' (Dynamic Tailwater)1=Culvert (Outlet Controls 6.51 cfs @ 2.76 fps) Pond DP-5: Existing CB Inflow Area = 8.689 ac, Inflow Depth > 1.11" for 2 Year eventInflow = 2.06 cfs @ 12.50 hrs, Volume= 0.804 afOutflow = 2.06 cfs @ 12.50 hrs, Volume= 0.804 af, Atten= 0%, Lag= 0.0 minPrimary = 2.06 cfs @ 12.50 hrs, Volume= 0.804 afSecondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 45Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Peak Elev= 134.71' @ 12.50 hrsFlood Elev= 136.40' Device Routing Invert Outlet Devices #1 Primary 134.00'15.0" Vert. Orifice/Grate C= 0.600 #2 Secondary 136.50'20.0' long (Profile 2) Broad-Crested Rectangular Weir Head (feet) 0.49 0.98 1.48 Coef. (English) 2.90 3.26 3.44 Primary OutFlow Max=2.06 cfs @ 12.50 hrs HW=134.71' TW=0.00' (Dynamic Tailwater)1=Orifice/Grate (Orifice Controls 2.06 cfs @ 2.87 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=134.00' TW=0.00' (Dynamic Tailwater)2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Pond TD01: Inflow Area = 0.050 ac, Inflow Depth > 2.45" for 2 Year eventInflow = 0.13 cfs @ 12.08 hrs, Volume= 0.010 afOutflow = 0.13 cfs @ 12.08 hrs, Volume= 0.010 af, Atten= 0%, Lag= 0.0 minPrimary = 0.13 cfs @ 12.08 hrs, Volume= 0.010 afSecondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrsPeak Elev= 140.18' @ 12.08 hrs Flood Elev= 142.20' Device Routing Invert Outlet Devices #1 Primary 140.00'12.0" x 25.0' long Culvert Ke= 0.500 Outlet Invert= 138.00' S= 0.0800 '/' Cc= 0.900 n= 0.013 #2 Secondary 142.00'20.0' long (Profile 3) Broad-Crested Rectangular Weir Head (feet) 0.49 0.98 1.48 Coef. (English) 2.86 3.17 3.24 Primary OutFlow Max=0.13 cfs @ 12.08 hrs HW=140.18' TW=139.08' (Dynamic Tailwater)1=Culvert (Inlet Controls 0.13 cfs @ 1.43 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=140.00' TW=137.90' (Dynamic Tailwater)2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Link DP 4: Grove Street Inflow Area = 13.201 ac, Inflow Depth > 0.96" for 2 Year eventInflow = 3.96 cfs @ 12.44 hrs, Volume= 1.055 afPrimary = 3.96 cfs @ 12.44 hrs, Volume= 1.055 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Type III 24-hr 2 Year Rainfall=2.90"ProP120307 Page 46Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Link Mill: River Inflow Area = 11.376 ac, Inflow Depth > 1.14" for 2 Year eventInflow = 4.59 cfs @ 12.20 hrs, Volume= 1.080 afPrimary = 4.59 cfs @ 12.20 hrs, Volume= 1.080 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs