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BTI Proposed 10 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 10 Rainfall=4.40"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>4.16"Subcatchment Earl St: Tc=6.0 min CN=98 Runoff=2.58 cfs 0.208 af Runoff Area=2.310 ac Runoff Depth>2.82"Subcatchment Kollmorgen: Facility Tc=6.0 min CN=85 Runoff=7.59 cfs 0.542 af Runoff Area=7.700 ac Runoff Depth>0.60"Subcatchment PDA-1A: Tc=6.0 min CN=53 Runoff=3.33 cfs 0.384 af Runoff Area=6.600 ac Runoff Depth>2.13"Subcatchment PDA-1B: Tc=6.0 min CN=77 Runoff=16.43 cfs 1.170 af Runoff Area=8.000 ac Runoff Depth>2.05"Subcatchment PDA-1C: Tc=6.0 min CN=76 Runoff=19.13 cfs 1.365 af Runoff Area=9.900 ac Runoff Depth>1.74"Subcatchment PDA-2A: Tc=6.0 min CN=72 Runoff=19.86 cfs 1.439 af Runoff Area=4.800 ac Runoff Depth>2.29"Subcatchment PDA-2B: Tc=6.0 min CN=79 Runoff=12.90 cfs 0.916 af Runoff Area=15.501 ac Runoff Depth>3.20"Subcatchment PDA-2C: Tc=6.0 min CN=89 Runoff=56.92 cfs 4.130 af Runoff Area=7.270 ac Runoff Depth>2.54"Subcatchment PDA-3A: Flow Length=450' Tc=13.6 min CN=82 Runoff=17.07 cfs 1.540 af Runoff Area=1.400 ac Runoff Depth>3.30"Subcatchment PDA-3B: Tc=6.0 min CN=90 Runoff=5.27 cfs 0.385 af Runoff Area=4.330 ac Runoff Depth>1.67"Subcatchment PDA-4A: Flow Length=290' Tc=6.1 min CN=71 Runoff=8.25 cfs 0.603 af Runoff Area=4.320 ac Runoff Depth>2.82"Subcatchment PDA-4B: Tc=6.0 min CN=85 Runoff=14.20 cfs 1.013 af Runoff Area=5.700 ac Runoff Depth>3.40"Subcatchment PDA-4C: Tc=6.0 min CN=91 Runoff=21.95 cfs 1.614 af Runoff Area=6.920 ac Runoff Depth>3.00"Subcatchment PDA-5: Tc=6.0 min CN=87 Runoff=24.10 cfs 1.732 af Runoff Area=1.500 ac Runoff Depth>3.82"Subcatchment Prince: Street Tc=6.0 min CN=95 Runoff=6.23 cfs 0.478 af Type III 24-hr Dev 10 Rainfall=4.40"BTI Proposed New Storms Page 4Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLC Inflow=21.14 cfs 2.018 afReach 2R: Outflow=21.14 cfs 2.018 af Inflow=44.49 cfs 3.792 afReach 20: Outflow=44.49 cfs 3.792 af Peak Elev=191.90' Storage=0.550 af Inflow=16.43 cfs 1.170 afPond Bas1: Outflow=2.23 cfs 0.978 af Peak Elev=190.88' Storage=0.845 af Inflow=55.46 cfs 4.708 afPond Bas2: Outflow=45.98 cfs 4.589 af Peak Elev=210.68' Storage=0.164 af Inflow=19.13 cfs 1.365 afPond Bas3A: Discarded=5.95 cfs 1.283 af Primary=4.20 cfs 0.083 af Outflow=10.15 cfs 1.366 af Peak Elev=209.87' Storage=0.083 af Inflow=4.20 cfs 0.083 afPond Bas3B: Outflow=0.00 cfs 0.000 af Peak Elev=202.16' Storage=0.770 af Inflow=56.92 cfs 4.130 afPond Bas4: Outflow=44.49 cfs 3.792 af Peak Elev=140.04' Storage=0.798 af Inflow=24.10 cfs 1.732 afPond Bas5: Outflow=4.86 cfs 1.547 af Peak Elev=178.58' Storage=0.285 af Inflow=14.20 cfs 1.013 afPond Bas6: Outflow=7.04 cfs 0.996 af Peak Elev=1.11' Storage=0.086 af Inflow=5.27 cfs 0.385 afPond Inf-01: Discarded=1.17 cfs 0.385 af Primary=0.00 cfs 0.000 af Outflow=1.17 cfs 0.385 af Peak Elev=190.53' Storage=0.228 af Inflow=21.95 cfs 1.614 afPond Inf02: Discarded=7.40 cfs 1.616 af Primary=0.00 cfs 0.000 af Outflow=7.40 cfs 1.616 af Inflow=105.37 cfs 13.304 afLink 2L: Primary=105.37 cfs 13.304 af Inflow=4.13 cfs 1.362 afLink DP-1: Primary=4.13 cfs 1.362 af Inflow=57.97 cfs 6.028 afLink DP-2: Primary=57.97 cfs 6.028 af Inflow=21.14 cfs 2.018 afLink DP-3: Primary=21.14 cfs 2.018 af Inflow=11.98 cfs 1.599 afLink DP-4: Primary=11.98 cfs 1.599 af Inflow=5.54 cfs 1.755 afLink DP-5: Primary=5.54 cfs 1.755 af Type III 24-hr Dev 10 Rainfall=4.40"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 = 17.519 af Average Runoff Depth = 2.42" 55.71% Pervious Area = 48.382 ac 44.29% Impervious Area = 38.469 ac