BBR Holdings (S) Ltd has secured a second contract worth $139.6 million from the Urban Redevelopment Authority (URA) to construct Phase 3B (MC02) of the Proposed Common Services Tunnel (CST-3B) at Marina Bay.

BBR secured its first contract for Phase 3A of the Common Services Tunnel (CST- 3A) in December 2007 in a deal worth $189.6 million. This is due for completion in the second half of next year.

The latest contract was awarded to BBR’s wholly-owned subsidiary, Singapore Piling & Civil Engineering Private Limited. Work on the project is set to start on May 10 and is targeted for completion in the second half of 2014. The scope of works includes completion of the CST Box Tunnel and backfill at Sheares Avenue and Central Boulevard as well as sewerage works.

The proposed CST-3B is a purpose-built tunnel network that will house and distribute various utility services to the 360-hectare waterfront development at Marina Bay including electrical and telecommunication cables, potable water pipes, NEWater district cooling pipes and a pneumatic refuse conveying system. The 20-km tunnel system is said to be the second of its kind after Japan, constructed at an average depth of 15 metres below ground level.