Part 4 PRIMARY SETTLEMENT TANKS (WORK No. 6)
Original text. Later amendments are not shown.
| (1) Item | (2) Maximum design parameter |
|---|
| Finished ground level (+ or – 0.5m) | 9.5m AOD |
| Total surface area of circular or rectangular primary settlement tanks | 6,451m2 |
| Number of primary settlement tanks | 6 No. |
| Depth | 1.5m AOD (8m below FGL) |
| Foundations | Piles to a depth of -15.5m AOD (25m below FGL) |
| Height | 15.5m AOD (6m above FGL) |
| Overall footprint of primary settlement tanks area | 175m x 115m |
| Ferric dosing plant area including kiosk | 20m x 5m |
| Ferric dosing plant: height | 14.5m AOD (5m above FGL) |