Inflow Area = 8,276 sf,100.00% Impervious, Inflow Depth = 3.19" for 2 YR-C event Inflow = 0.56 cfs @ 12.12 hrs, Volume= 2,198 cf Outflow = 0.14 cfs @ 12.47 hrs, Volume= 2,194 cf, Atten=76%, Lag=21.0 min Primary = 0.14 cfs @ 12.47 hrs, Volume= 2,194 cf Routed to Pond 33P : INFILTRATION BASIN 2 Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs Peak Elev= 94.59' @ 12.47 hrs Surf.Area= 6,150 sf Storage= 748 cf Plug-Flow detention time= 111.7 min calculated for 2,193 cf (100% of inflow) Center-of-Mass det. time= 110.8 min (868.7 - 757.9)
| 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=0.14 cfs @ 12.47 hrs HW=94.59' TW=91.82' (Dynamic Tailwater) 3=Culvert (Passes 0.14 cfs of 6.12 cfs potential flow) 1=Orifice (Orifice Controls 0.14 cfs @ 3.98 fps) 2=Grate (Controls 0.00 cfs)