Part 5 ACTIVATED SLUDGE PROCESS TANKS (WORK No. 10)
| (1) Item | (2) Maximum design parameter |
|---|---|
| Finished ground level (+ or – 0.5m) | 9m AOD |
| Area of individual activated sludge process tanks | Reactor – 20m wide x 90m long
|
| Number of reactor tanks | 4 No. |
| Area of mixing and conditioning tank | 25m wide x 25m long |
| Area of interstage pumping station | 25m x 15m |
| Depth of activated sludge process tanks, mixing and conditioning tank and interstage pumping station | 3m AOD (6m below FGL) |
| Height of activated sludge process tanks, mixing and conditioning tank and interstage pumping station | 17m AOD (8m above FGL) |
| Foundation depth of overall activated sludge process area | -16m AOD (25m below FGL) |
| Blower Building – height | 14m AOD (5m above FGL) |
| Blower Building footprint | 25m x 15m |
| Overall footprint of activated sludge process area | 115m x 135m |