Lagan Construction Group arm FK Lowry Piling has won a £3.6M contract for two piling jobs for London’s super sewer, Thames Tideway Tunnel.
It will act as a subcontractor on the west section of the Tideway to the BAM Nuttall, Morgan Sindall and Balfour Beatty joint venture.
The two jobs are Carnwath Road Riverside in Fulham and Hammersmith Pumping Station. Both will have bearing piles and secant walls using rotary bored and CFA techniques.
FK Lowry describes the ground conditions as made ground and fill overlying. There is also soft alluvium before river terrace gravels. All sites have London clay from 7m to 11m below ground.
At Carnwath Road Riverside there will be 750mm diameter CFA bearing piles and 880mm diameter secant bored piles to form interlocking walls for vertical shafts for both overflow and interception chambers. The contract is worth £1.6M.
At Hammersmith Pumping Station, the contract is worth £2M to construct 160m of secant bored piles to form interlocking walls for overflow and interception shafts and culverts. Piles range from 600mm to 1060mm in diameter.