Inflow Area = 108,596 sf, 29.12% Impervious, Inflow Depth = 3.99" for 100-Year event
Inflow = 7.21 cfs @ 12.11 hrs, Volume= 36,117 cf
Outflow = 0.66 cfs @ 14.19 hrs, Volume= 36,117 cf, Atten= 91%, Lag= 124.7 min
Discarded = 0.49 cfs @ 14.19 hrs, Volume= 34,901 cf
Primary = 0.17 cfs @ 14.19 hrs, Volume= 1,215 cf
Routed to Link 147L : POA
Routing by Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs
Peak Elev= 97.79' @ 14.19 hrs Surf.Area= 6,774 sf Storage= 15,241 cf
Plug-Flow detention time= 300.5 min calculated for 36,111 cf (100% of inflow)
Plug-Flow detention time = 300.5 min calculated for 36,111 cf (100% of inflow) Center-of-Mass det. time = 300.5 min (1,100.6 - 800.1)
| Volume | Invert | Avail.Storage | Storage Description | |
|---|---|---|---|---|
| #1 | 95.00' | 16,706 cf | Custom Stage Data (Prismatic) Listed below (Recalc) | |
| Elevation (feet) | Surf.Area (sq-ft) | Inc.Store (cubic-feet) | Cum.Store (cubic-feet) | |
| 95.00 | 4,231 | 0 | 0 | |
| 96.00 | 5,092 | 4,662 | 4,662 | |
| 97.00 | 6,008 | 5,550 | 10,212 | |
| 98.00 | 6,981 | 6,495 | 16,706 | |
| Device | Routing | Invert | Outlet Devices |
|---|---|---|---|
| #1 | Primary | 97.60' | 15.0" Round Culvert to Subsurface Basin L= 35.0' RCP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 95.00' / 97.60' S= -0.0743'' Cc= 0.900 n= 0.012 Corrugated PP, smooth interior, Flow Area= 1.23 sf |
| #2 | Device 1 | 97.00' | 4.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s) |
| #3 | Discarded | 95.00' | 3.100 in/hr Exfiltration over Surface area |
Discarded OutFlow Max=0.49 cfs @ 14.19 hrs HW=97.79' (Free Discharge) 3=Exfiltration (Exfiltration Controls 0.49 cfs)
Primary OutFlow Max=0.17 cfs @ 14.19 hrs HW=97.79' (Free Discharge) 1=Culvert to Subsurface Basin (Inlet Controls 0.17 cfs @ 1.47 fps) 2=Sharp-Crested Rectangular Weir (Passes 0.17 cfs of 5.75 cfs potential flow)