Inflow Area = 30,707 sf, 39.00% Impervious, Inflow Depth = 1.23" for 2 YR-C event Inflow = 0.39 cfs @ 12.10 hrs, Volume= 3,138 cf Outflow = 0.10 cfs @ 13.37 hrs, Volume= 3,130 cf, Atten=73%, Lag=76.4 min Primary = 0.10 cfs @ 13.37 hrs, Volume= 3,130 cf Routed to Link 33L : POA 2 Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs / 3 Automatic Starting Elev= 93.65' Surf.Area= 1,442 sf Storage= 1,902 cf Peak Elev= 94.16' @ 13.37 hrs Surf.Area= 1,728 sf Storage= 2,708 cf (806 cf above start) Plug-Flow detention time= 606.6 min calculated for 1,228 cf (39% of inflow) Center-of-Mass det. time= 125.9 min (987.0 - 861.2)
| Volume | Invert | Avail.Storage | Storage Description | |
|---|---|---|---|---|
| #1 | 91.65' | 4,378 cf | Custom Stage Data (Prismatic)Listed below (Recalc) | |
| Elevation (feet) | Surf.Area (sq-ft) | Inc.Store (cubic-feet) | Cum.Store (cubic-feet) | |
| 91.65 | 520 | 0 | 0 | |
| 92.00 | 651 | 205 | 205 | |
| 93.00 | 1,094 | 873 | 1,077 | |
| 94.00 | 1,629 | 1,362 | 2,439 | |
| 95.00 | 2,249 | 1,939 | 4,378 | |
Device Routing Invert Outlet Devices #1 Device 3 93.65' 2.5" Vert. Orifice C= 0.600 Limited to weir flow at low heads #2 Device 3 94.70' 48.0" x 48.0" Horiz. Grate C= 0.600 #3 Primary 93.65' 12.0" Round Culvert L= 17.0' RCP, groove end projecting, Ke= 0.200 Inlet / Outlet Invert= 93.65' / 93.50' S= 0.0088'/' Cc= 0.900 n= 0.012 Concrete pipe, finished, Flow Area= 0.79 sf Primary OutFlow Max=0.10 cfs @ 13.37 hrs HW=94.16' TW=0.00' (Dynamic Tailwater) 3=Culvert (Passes 0.10 cfs of 0.87 cfs potential flow) 1=Orifice (Orifice Controls 0.10 cfs @ 3.07 fps) 2=Grate (Controls 0.00 cfs)
Pond 33P: INFILTRATION BASIN 2