Inflow Area = 86,443 sf, 27.15% Impervious, Inflow Depth = 3.84" for 100-Year event
Inflow = 5.06 cfs @ 12.14 hrs, Volume= 27,698 cf
Outflow = 0.70 cfs @ 13.56 hrs, Volume= 27,698 cf, Atten= 86%, Lag= 85.4 min
Discarded = 0.13 cfs @ 13.56 hrs, Volume= 18,586 cf
Primary = 0.57 cfs @ 13.56 hrs, Volume= 9,111 cf
Routed to Link 147L : POA
Routing by Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs
Peak Elev= 94.41' @ 13.56 hrs Surf.Area= 5,362 sf Storage= 13,337 cf
Plug-Flow detention time= 665.1 min calculated for 27,698 cf (100% of inflow)
Center-of-Mass det. time= 665.1 min ( 1,470.3 - 805.2 )
| Volume | Invert | Avail.Storage | Storage Description | |
|---|---|---|---|---|
| #1 | 91.00' | 13,818 cf | Custom Stage Data (Prismatic) Listed below (Recalc) | |
| Elevation (feet) | Surf.Area (sq-ft) | Inc.Store (cubic-feet) | Cum.Store (cubic-feet) | |
| 91.00 | 2,628 | 0 | 0 | |
| 92.00 | 3,320 | 2,974 | 2,974 | |
| 93.00 | 4,067 | 3,694 | 6,668 | |
| 94.00 | 5,010 | 4,539 | 11,206 | |
| 94.50 | 5,438 | 2,612 | 13,818 | |
| Device | Routing | Invert | Outlet Devices |
|---|---|---|---|
| #1 | Primary | 93.80' | 6.0" Round Culvert to Subsurface Basin L= 35.0' RCP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 92.00' / 93.80' S= -0.0514'' Cc= 0.900 n= 0.012 Corrugated PP, smooth interior, Flow Area= 0.20 sf |
| #2 | Device 1 | 93.00' | 4.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) |
| #3 | Discarded | 91.00' | 1.050 in/hr Exfiltration over Surface area |
Discarded OutFlow Max=0.13 cfs @ 13.56 hrs HW=94.41' (Free Discharge) 3=Exfiltration (Exfiltration Controls 0.13 cfs)
Primary OutFlow Max=0.57 cfs @ 13.56 hrs HW=94.41' (Free Discharge)
1=Culvert to Subsurface Basin (Inlet Controls 0.57 cfs @ 2.89 fps) 2=Sharp-Crested Rectangular Weir (Passes 0.57 cfs of 16.44 cfs potential flow)