The Contract 1150138 project commenced on 18th March 2015 and is scheduled for completion by 17th March 2017. It comprises the laying, installation and construction of 20 manholes along the Proposed Sewers Lines.

The work scope consist 20 manholes along the Proposed Sewer lines of about 1.2km with internal diameters of Ø300mm to Ø700mm vitrified clay / polymer concrete pipe and 232m of Ø900mm internal diameter HDPE – Lined reinforced concrete pipes by pipe jacking method in the vicinity of Bukit Timah, Cairnhill and Newton Circus Areas.

The Contract Value of PUB Contract 1150138 is up to S$7.7 million.