| Inflow Area = | 86,443 sf, | 27.15% Impervious, | Inflow Depth = | 2.23" for 25-Year event |
|---|---|---|---|---|
| Inflow = | 3.06 cfs @ | 12.13 hrs, | Volume= | 16,047 cf |
| Outflow = | 1.97 cfs @ | 12.37 hrs, | Volume= | 12,492 cf, Atten= 35%, Lag= 14.4 min |
| Discarded = | 0.00 cfs @ | 0.00 hrs, | Volume= | 0 cf |
| Primary = | 1.97 cfs @ | 12.37 hrs, | Volume= | 12,492 cf |
| Routed to Link 185L : POA | ||||
Routing by Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs Starting Elev= 93.00' Surf.Area= 4,067 sf Storage= 6,668 cf Peak Elev= 99.85' @ 12.37 hrs Surf.Area= 5,438 sf Storage= 13,818 cf (7,151 cf above start)
Plug-Flow detention time= 617.6 min calculated for 5,824 cf (36% of inflow) Center-of-Mass det. time= 196.8 min ( 991.9 - 795.2 )
| 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 X 0.00 over Surface area |
Discarded OutFlow Max=0.00 cfs @ 0.00 hrs HW=93.00' (Free Discharge) 3=Exfiltration (Controls 0.00 cfs)
Primary OutFlow Max=1.96 cfs @ 12.37 hrs HW=99.75' (Free Discharge) 1=Culvert to Subsurface Basin (Outlet Controls 1.96 cfs @ 9.97 fps) 2=Sharp-Crested Rectangular Weir (Passes 1.96 cfs of 149.56 cfs potential flow)