| Inflow Area = | 1.070 ac, 67.29% Impervious, Inflow Depth > 1.96" for 2 YEAR event |
|---|---|
| Inflow = | 1.36 cfs @ 12.22 hrs, Volume= 0.175 af |
| Outflow = | 0.87 cfs @ 12.51 hrs, Volume= 0.171 af, Atten= 36%, Lag= 16.9 min |
| Discarded = | 0.00 cfs @ 5.00 hrs, Volume= 0.000 af |
| Primary = | 0.87 cfs @ 12.51 hrs, Volume= 0.171 af |
| Routed to Reach 10 : COMPOSITE | |
| Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Starting Elev= 111.50' Surf.Area= 2,825 sf Storage= 3,544 cf Peak Elev= 111.97' @ 12.51 hrs Surf.Area= 3,177 sf Storage= 4,951 cf (1,408 cf above start) | |
| Plug-Flow detention time= 220.0 min calculated for 0.089 af (51% of inflow) Center-of-Mass det. time= 28.4 min (777.9 - 749.5 ) | |
| Volume | Invert | Avail.Storage | Storage Description | |
|---|---|---|---|---|
| #1 | 110.00' | 12,950 cf | Custom Stage Data (Prismatic) | Listed below (Recalc) |
| Elevation (feet) | Surf.Area (sq-ft) | Inc.Store (cubic-feet) | Cum.Store (cubic-feet) | |
| 110.00 | 2,000 | 0 | 0 | |
| 111.00 | 2,450 | 2,225 | 2,225 | |
| 112.00 | 3,200 | 2,825 | 5,050 | |
| 113.00 | 4,000 | 3,600 | 8,650 | |
| 114.00 | 4,600 | 4,300 | 12,950 | |
| Device | Routing | Invert | Outlet Devices | |
| #1 | Discarded | 110.00' | 1.000 in/hr Exfiltration X 0.00 over Surface area Conductivity to Groundwater Elevation = 106.00' | |
| #2 | Primary | 111.50' | 12.0" W x 4.0" H Vert. Orifice/Grate C= 0.600 Limited to weir flow at low heads | |
| #3 | Primary | 113.00' | 24.0" x 48.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads | |
| Discarded OutFlow Max=0.00 cfs @ 5.00 hrs HW=111.50' (Free Discharge) | ||||