Inflow Area = 27,007 sf, 30.65% Impervious, Inflow Depth = 5.39" for 100 YR-F event
Inflow = 2.57 cfs @ 12.16 hrs, Volume= 12,127 cf
Outflow = 0.48 cfs @ 12.98 hrs, Volume= 12,127 cf, Atten= 81%, Lag= 49.4 min
Discarded = 0.24 cfs @ 12.98 hrs, Volume= 9,837 cf
Primary = 0.25 cfs @ 12.98 hrs, Volume= 2,290 cf
Routed to Link 33L : POA 2
Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs
Peak Elev= 94.71' @ 12.98 hrs Surf.Area= 2,072 sf Storage= 3,760 cf
Plug-Flow detention time= 131.3 min calculated for 12,126 cf (100% of inflow)
Center-of-Mass det. time= 131.3 min ( 977.9 - 846.6 )
| 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 Limited to weir flow at low heads |
|---|
| #2 | Device 3 | 94.70' | 48.0" x 48.0" Horiz. Grate C= 0.600
Limited to weir flow at low heads |
|---|
| #3 | Primary | 93.65' | 12.0" Round Culvert
L= 17.0' RCP, groove end projecting, Ke= 0.200
Inlet / Outlet Invert= 93.65' / 93.50' S= 0.0088 '/
Cc= 0.900
n= 0.012 Concrete pipe, finished, Flow Area= 0.79 sf |
|---|
| #4 | Discarded | 91.65' | 4.950 in/hr Exfiltration over Surface area Phase-In= 0.01' |
|---|
| Discarded OutFlow Max=0.24 cfs @ 12.98 hrs HW=94.71' (Free Discharge)
4=Exfiltration (Exfiltration Controls 0.24 cfs) |
| Primary OutFlow Max=0.25 cfs @ 12.98 hrs HW=94.71' TW=0.00' (Dynamic Tailwater)
3=Culvert (Passes 0.25 cfs of 2.79 cfs potential flow)
1=Orifice (Orifice Controls 0.16 cfs @ 4.72 fps)
2=Grate (Weir Controls 0.09 cfs @ 0.39 fps) |
Pond 33P: INFILTRATION BASIN 2