Inflow Area = 35,171 sf, 15.78% Impervious, Inflow Depth = 0.51" for 2 YR-C event
Inflow = 0.45 cfs @ 12.09 hrs, Volume= 1,487 cf
Outflow = 0.12 cfs @ 12.22 hrs, Volume= 1,388 cf, Atten= 74%, Lag= 7.9 min
Primary = 0.12 cfs @ 12.22 hrs, Volume= 1,388 cf
Routed to Pond 8P : INEIL TRATION BASIN 3
Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs / Peak Elevation = 94.43' @ 12.22 hrs Surf.Area = 808 sf Storage = 439 cf
Plug-Flow detention time = 109.8 min calculated for 1,387 cf (93% of inflow) Center-of-Mass det. time = 70.4 min (827.3 - 757.0)
| Volume | Invert | Avail.Storage | Storage Description |
|---|
| #1 | 93.30' | 1,041 cf | Custom Stage Data (Prismatic) | Listed below (Recalc) |
| Elevation
(feet) | Surf.Area
(sq-ft) | Inc.Store
(cubic-feet) | Cum.Store
(cubic-feet) |
| 93.30 | 77 | 0 | 0 |
| 94.00 | 417 | 173 | 173 |
| 95.00 | 1,319 | 868 | 1,041 |
| Device | Routing | Invert | Outlet Devices |
| #1 | Device 3 | 93.80' | 2.5" Vert. Orifice C= 0.600
Limited to weir flow at low heads |
| #2 | Device 3 | 94.50' | 48.0" x 48.0" Horiz. Grate C= 0.600
Limited to weir flow at low heads |
| #3 | Primary | 90.80' | 12.0" Round Culvert
L= 11.0' RCP, groove end projecting, Ke= 0.200
Inlet / Outlet Invert= 90.80' / 90.75' S= 0.0045 ' /' Cc= 0.900
n= 0.012 Concrete pipe, finished, Flow Area= 0.79 sf |
| Primary OutFlow Max=0.12 cfs @ 12.22 hrs HW=94.43' TW=93.15' (Dynamic Tailwater)
3=Culvert (Passes 0.12 cfs of 5.35 cfs potential flow)
1=Orifice (Orifice Controls 0.12 cfs @ 3.50 fps)
2=Grate ( Controls 0.00 cfs) |