The Land Transport Authority (LTA) has awarded three civil contracts worth $1.09 billion to construct the Sin Ming, Havelock and Marina Bay MRT stations on the Thomson Line.

Construction works for these stations are expected to start by the first quarter of this year. Sin Ming station is scheduled to be completed in 2020, while Havelock and Marina Bay stations are scheduled to be completed in 2021.

Penta-Ocean Construction Co won a $454 million contract to design and build Sin Ming station and its associated tunnels.

The Japanese construction firm was previously involved in building Expo station on the East-West Line and Yew Tee and Kranji stations on the North-South Line.

Hong Kong firm Gammon Construction Limited Singapore Branch was awarded a $210 million contract to construct Havelock station. Gammon is also currently building Mayflower station on the Thomson Line.

Another Japanese contractor, Taisei Corporation, received a $425 million contract to build Marina Bay station and its tunnels. It was involved in building four stations on the Circle Line, and recently completed the construction of Downtown station on stage one of the Downtown Line.

The 30km Thomson Line comprises 22 stations, and runs from Woodlands in the north to Gardens by the Bay, where it will connect to the future Eastern Region Line.

It will be completed in three phases from 2019 to 2021, and has six interchange stations that connect to other MRT lines.