The DTSS Phase 2 Schedule 1 Contract 1 is the second Deep Tunnel Sewerage System Project that was awarded to ALPCS in Y2019 June.

The project includes the design and construction of a 3.5km Main Sewerage Tunnel with internal diameters of 0.4 to 2.1m along the Clementi Road and Sunset Way.

The contract value of DTSS Phase 2 S1C1 is up to S$29 million.