The DTSS is a cost-efficient and sustainable solution conceived by the PUB to meet Singapore's long-term needs for used water collection, treatment and disposal.

The PUB DTSS Phase 2 consist of 40km of tunnels with internal diameter of 3m to 6m and 60km of link sewers with internal diameters of 0.3m to 3m. ALPC was awarded the Link Schedule I Contract 3 Project in Y2019 April.

Unlike any other projects, the DTSS project is the first Deep Tunnel Link Sewer Project that ALPC has been awarded, building a strong company’s track record.

The DTSS Phase 2 LKIC3 includes the design and construction of a 2.8km Main Sewerage Tunnel along the Pasir Panjang Road & West Coast Drive One of the largest slurry Tunnel Boring Machine (TBM) used for this project 3.0m diameter.

The contract value of DTSS Phase 2 LKIC3 is up to S$24 million.