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BTI Proposed 25 yearEarl St Kollmorgen Facility PDA-1A PDA-1B PDA-1C PDA-2A PDA-2B PDA-2C PDA-3A PDA-3B PDA-4A PDA-4B PDA-4C PDA-5 Prince Street 2R 20 Bas1 Bas2 Bas3A Bas3B Bas4 Bas5 Bas6 Inf-01 Inf02 2L DP-1 DP-2 DP-3 DP-4 DP-5 Drainage Diagram for BTI Proposed New StormsPrepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Subcat Reach Pond Link BTI Proposed New Storms 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) 1.700 30 Woods, Good, HSG A (PDA-1A) 4.010 39 >75% Grass cover, Good, HSG A (PDA-1A,PDA-1B,PDA-1C,PDA-4A) 1.400 51 1 acre lots, 20% imp, HSG A (PDA-1A) 0.500 55 Woods, Good, HSG B (PDA-1A) 3.100 61 1/4 acre lots, 38% imp, HSG A (PDA-1C) 2.800 61 >75% Grass cover, Good, HSG B (PDA-2B,PDA-3A,PDA-4A,PDA-4B) 0.500 68 1 acre lots, 20% imp, HSG B (PDA-2B) 4.500 70 Woods, Good, HSG C (PDA-2A) 17.468 74 >75% Grass cover, Good, HSG C (Kollmorgen,PDA-1B,PDA-2A,PDA-2C,PDA-3A,PDA-4A,PD 1.700 75 1/4 acre lots, 38% imp, HSG B (PDA-2C) 0.300 77 1/8 acre lots, 65% imp, HSG A (PDA-2C) 7.600 79 1 acre lots, 20% imp, HSG C (PDA-1A,PDA-1B,PDA-2B) 4.600 83 1/4 acre lots, 38% imp, HSG C (PDA-1C,PDA-2C,PDA-4A) 1.800 85 1/8 acre lots, 65% imp, HSG B (PDA-2C,PDA-3A) 2.240 89 Urban commercial, 85% imp, HSG A (PDA-3B,PDA-4C) 2.030 90 1/8 acre lots, 65% imp, HSG C (PDA-2C,PDA-3A) 8.210 92 Urban commercial, 85% imp, HSG B (PDA-2C,PDA-3B,PDA-4B,PDA-4C,PDA-5) 6.420 94 Urban commercial, 85% imp, HSG C (PDA-1B,PDA-1C,PDA-2C,PDA-4C,PDA-5) 5.653 98 Paved parking & roofs (Earl St,Kollmorgen,PDA-4B,PDA-5,Prince) 10.320 98 Paved roads w/curbs & sewers (PDA-1B,PDA-1C,PDA-1C,PDA-2B,PDA-2B,PDA-2C,PDA-2C 86.851 Type III 24-hr Dev 25 Rainfall=5.15"BTI Proposed New Storms 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=0.600 ac Runoff Depth>4.91"Subcatchment Earl St: Tc=6.0 min CN=98 Runoff=3.02 cfs 0.245 af Runoff Area=2.310 ac Runoff Depth>3.50"Subcatchment Kollmorgen: Facility Tc=6.0 min CN=85 Runoff=9.39 cfs 0.674 af Runoff Area=7.700 ac Runoff Depth>0.93"Subcatchment PDA-1A: Tc=6.0 min CN=53 Runoff=6.43 cfs 0.596 af Runoff Area=6.600 ac Runoff Depth>2.75"Subcatchment PDA-1B: Tc=6.0 min CN=77 Runoff=21.28 cfs 1.510 af Runoff Area=8.000 ac Runoff Depth>2.66"Subcatchment PDA-1C: Tc=6.0 min CN=76 Runoff=24.94 cfs 1.771 af Runoff Area=9.900 ac Runoff Depth>2.31"Subcatchment PDA-2A: Tc=6.0 min CN=72 Runoff=26.65 cfs 1.907 af Runoff Area=4.800 ac Runoff Depth>2.93"Subcatchment PDA-2B: Tc=6.0 min CN=79 Runoff=16.50 cfs 1.171 af Runoff Area=15.501 ac Runoff Depth>3.91"Subcatchment PDA-2C: Tc=6.0 min CN=89 Runoff=68.99 cfs 5.053 af Runoff Area=7.270 ac Runoff Depth>3.21"Subcatchment PDA-3A: Flow Length=450' Tc=13.6 min CN=82 Runoff=21.48 cfs 1.942 af Runoff Area=1.400 ac Runoff Depth>4.02"Subcatchment PDA-3B: Tc=6.0 min CN=90 Runoff=6.35 cfs 0.469 af Runoff Area=4.330 ac Runoff Depth>2.23"Subcatchment PDA-4A: Flow Length=290' Tc=6.1 min CN=71 Runoff=11.16 cfs 0.804 af Runoff Area=4.320 ac Runoff Depth>3.50"Subcatchment PDA-4B: Tc=6.0 min CN=85 Runoff=17.56 cfs 1.261 af Runoff Area=5.700 ac Runoff Depth>4.12"Subcatchment PDA-4C: Tc=6.0 min CN=91 Runoff=26.36 cfs 1.959 af Runoff Area=6.920 ac Runoff Depth>3.71"Subcatchment PDA-5: Tc=6.0 min CN=87 Runoff=29.50 cfs 2.137 af Runoff Area=1.500 ac Runoff Depth>4.56"Subcatchment Prince: Street Tc=6.0 min CN=95 Runoff=7.36 cfs 0.571 af Type III 24-hr Dev 25 Rainfall=5.15"BTI Proposed New Storms Page 4Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Inflow=26.31 cfs 2.512 afReach 2R: Outflow=26.31 cfs 2.512 af Inflow=54.53 cfs 4.712 afReach 20: Outflow=54.53 cfs 4.712 af Peak Elev=192.41' Storage=0.704 af Inflow=21.28 cfs 1.510 afPond Bas1: Outflow=3.19 cfs 1.294 af Peak Elev=191.15' Storage=0.935 af Inflow=68.65 cfs 5.883 afPond Bas2: Outflow=58.38 cfs 5.752 af Peak Elev=211.21' Storage=0.209 af Inflow=24.94 cfs 1.771 afPond Bas3A: Discarded=5.95 cfs 1.597 af Primary=10.41 cfs 0.175 af Outflow=16.36 cfs 1.772 af Peak Elev=211.21' Storage=0.175 af Inflow=10.41 cfs 0.175 afPond Bas3B: Outflow=0.00 cfs 0.000 af Peak Elev=202.34' Storage=0.846 af Inflow=68.99 cfs 5.053 afPond Bas4: Outflow=54.53 cfs 4.712 af Peak Elev=140.59' Storage=0.968 af Inflow=29.50 cfs 2.137 afPond Bas5: Outflow=6.19 cfs 1.945 af Peak Elev=178.79' Storage=0.313 af Inflow=17.56 cfs 1.261 afPond Bas6: Outflow=11.53 cfs 1.242 af Peak Elev=1.45' Storage=0.120 af Inflow=6.35 cfs 0.469 afPond Inf-01: Discarded=1.17 cfs 0.469 af Primary=0.00 cfs 0.000 af Outflow=1.17 cfs 0.469 af Peak Elev=190.94' Storage=0.344 af Inflow=26.36 cfs 1.959 afPond Inf02: Discarded=7.40 cfs 1.961 af Primary=0.00 cfs 0.000 af Outflow=7.40 cfs 1.961 af Inflow=144.07 cfs 16.972 afLink 2L: Primary=144.07 cfs 16.972 af Inflow=7.81 cfs 1.890 afLink DP-1: Primary=7.81 cfs 1.890 af Inflow=75.60 cfs 7.659 afLink DP-2: Primary=75.60 cfs 7.659 af Inflow=26.31 cfs 2.512 afLink DP-3: Primary=26.31 cfs 2.512 af Inflow=20.31 cfs 2.046 afLink DP-4: Primary=20.31 cfs 2.046 af Inflow=7.10 cfs 2.191 afLink DP-5: Primary=7.10 cfs 2.191 af Type III 24-hr Dev 25 Rainfall=5.15"BTI Proposed New Storms Page 5Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Total Runoff Area = 86.851 ac Runoff Volume = 22.070 af Average Runoff Depth = 3.05" 55.71% Pervious Area = 48.382 ac 44.29% Impervious Area = 38.469 ac