Inflow Area = 30,707 sf, 39.00% Impervious, Inflow Depth = 2.16" for 10 YR-C event Inflow = 0.74 cfs @ 12.20 hrs, Volume= 5,524 cf Outflow = 0.15 cfs @ 13.34 hrs, Volume= 5,515 cf, Atten= 80%, Lag= 68.2 min Primary = 0.15 cfs @ 13.34 hrs, Volume= 5,515 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= 94.58' @ 13.34 hrs Surf.Area= 1,989 sf Storage= 3,488 cf (1,587 cf above start) Plug-Flow detention time= 454.0 min calculated for 3,613 cf (65% of inflow) Center-of-Mass det. time= 139.5 min (1,003.6 - 864.1)
| 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 |
| #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 = 0.200Inlet / Outlet Invert= $ 93.65'/93.50' $ S = 0.0088'/' Cc = 0.900n=0.012 Concrete pipe, finished, Flow Area=0.79 sf |
Primary OutFlow Max=0.15 cfs @ 13.34 hrs HW=94.58' TW=0.00' (Dynamic Tailwater) 3=Culvert (Passes 0.15 cfs of 2.32 cfs potential flow) 1=Orifice (Orifice Controls 0.15 cfs @ 4.38 fps) 2=Grate (Controls 0.00 cfs)
Pond 33P: INFILTRATION BASIN 2 Grate
Quiffect