Inflow Area = 8,276 sf,100.00% Impervious, Inflow Depth = 1.03" for NJDEP WQ event
Inflow = 0.59 cfs @ 1.08 hrs, Volume= 714 cf
Outflow = 0.09 cfs @ 1.28 hrs, Volume= 711 cf, Atten= 85%, Lag= 12.2 min
Primary = 0.09 cfs @ 1.28 hrs, Volume= 711 cf
Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs
Peak Elev= 94.20' @ 1.28 hrs Surf.Area= 3,075 sf Storage= 487 cf
Plug-Flow detention time= 123.6 min calculated for 711 cf (100% of inflow)
Center-of-Mass det. time= 123.3 min ( 189.4 - 66.1 )
| Volume | Invert | Avail.Storage | Storage Description |
|---|
| #1 | 93.80' | 615 cf | Stone Storage Bed (Prismatic)Listed below (Recalc)1,538 cf Overall × 40.0% Voids |
| #2 | 94.30' | 231 cf | Surface and Base Course (Prismatic)Listed below (Recalc)1,538 cf Overall × 15.0% Voids |
| #3 | 94.80' | 1,538 cf | Surface (Prismatic)Listed below (Recalc) |
| | 2,383 cf | Total Available Storage |
| Elevation (feet) | Surf.Area (sq-ft) | Inc.Store (cubic-feet) | Cum.Store (cubic-feet) |
| 93.80 | 3,075 | 0 | 0 |
| 94.30 | 3,075 | 1,538 | 1,538 |
| Elevation (feet) | Surf.Area (sq-ft) | Inc.Store (cubic-feet) | Cum.Store (cubic-feet) |
| 94.30 | 3,075 | 0 | 0 |
| 94.80 | 3,075 | 1,538 | 1,538 |
| Elevation (feet) | Surf.Area (sq-ft) | Inc.Store (cubic-feet) | Cum.Store (cubic-feet) |
| 94.80 | 3,075 | 0 | 0 |
| 95.30 | 3,075 | 1,538 | 1,538 |
| Device | Routing | Invert | Outlet Devices |
|---|
| #1 | Device 3 | 93.80' | 2.5" Vert. Orifice C = 0.600 |
|---|
| #2 | Device 3 | 94.80' | 48.0" x 48.0" Horiz. Grate C = 0.600 |
|---|
| #3 | Primary | 92.08' | 12.0" Round Culvert L = 38.0' RCP, groove end projecting, Ke = 0.200Inlet / Outlet Invert= $ 92.08'/91.65' $ S = 0.0113'/' Cc = 0.900n=0.011, Flow Area=0.79 sf |
|---|
Primary OutFlow Max=0.09 cfs @ 1.28 hrs HW=94.20' (Free Discharge)
3=Culvert (Passes 0.09 cfs of 5.47 cfs potential flow)
1=Orifice (Orifice Controls 0.09 cfs @ 2.60 fps)
2=Grate (Controls 0.00 cfs)