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Existing 100year
EARLEEDA-03EDA-04EDA-05PRINCEBTI2RMill RiverEXCBDP-3DP-4DP-5Drainage Diagram for Existing120307Prepared by Tighe&Bond 12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLCSubcatReachPondLinkExisting120307Page 2Prepared by Tighe&Bond12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLCArea Listing (all nodes)Area (acres)CNDescription (subcats)1.507 49 50-75% Grass cover, Fair, HSG A (EDA-04)6.577 69 50-75% Grass cover, Fair, HSG B (EDA-03,EDA-04,EDA-05)0.600 74 >75% Grass cover, Good, HSG C (EARLE,PRINCE)0.416 74 >75%Grass cover,Good,HSGCMonument (EDA-05)12.153 79 50-75% Grass cover, Fair, HSG C (EDA-03,EDA-04,EDA-05)0.114 98 Paved parking (EDA-03)1.950 98 Paved parking & roofs (EARLE,PRINCE)1.316 98 Paved roads w/curbs & sewers (EDA-04,EDA-05)0.769 98 Roofs (EDA-03,EDA-04)1.286 98 roofs (EDA-05) 26.689 Type III 24-hr 100 Year Rainfall=6.40"Existing120307Page 3Prepared by Tighe&Bond12/3/2007HydroCAD® 8.00 s/n 003772 © 2006 HydroCAD Software Solutions LLCTime span=0.00-24.00 hrs, dt=0.03 hrs, 801 pointsRunoff by SCS TR-20 method, UH=SCSReach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind methodRunoff Area=1.000 ac Runoff Depth>5.01"Subcatchment EARLE: Tc=6.0 min CN=88 Runoff=5.62 cfs 0.417 afRunoff Area=51,378 sf Runoff Depth>3.93"Subcatchment EDA-03: Flow Length=290' Tc=11.2 min CN=78 Runoff=4.56 cfs 0.386 afRunoff Area=481,702 sf Runoff Depth>3.41"Subcatchment EDA-04: Flow Length=950' Tc=18.9 min CN=73 Runoff=30.56 cfs 3.143 afRunoff Area=518,430 sf Runoff Depth>4.14"Subcatchment EDA-05: Flow Length=700' Tc=11.8 min CN=80 Runoff=47.48 cfs 4.102 afRunoff Area=1.550 ac Runoff Depth>5.80"Subcatchment PRINCE: BTI Tc=6.0 min CN=95 Runoff=9.50 cfs 0.750 af Inflow=88.14 cfs 8.797 afReach 2R: Mill River Outflow=88.14 cfs 8.797 afPeak Elev=137.30' Inflow=51.63 cfs 4.519 afPond EX: Primary=7.06 cfs 2.955 af Secondary=44.57 cfs 1.564 af Outflow=51.63 cfs 4.519 af Inflow=13.35 cfs 1.136 afLink DP-3: Primary=13.35 cfs 1.136 af Inflow=30.56 cfs 3.143 afLink DP-4: Primary=30.56 cfs 3.143 af Inflow=51.63 cfs 4.519 afLink DP-5: Primary=51.63 cfs 4.519 afTotal Runoff Area = 26.689 ac Runoff Volume = 8.797 af Average Runoff Depth = 3.96"79.64% Pervious Area = 21.255 ac 20.36% Impervious Area = 5.435 ac