Black & Veatch and AECOM selected for Singapore sewerage system services

A joint venture between Black & Veatch and AECOM (B&V AECOM) has been selected by PUB, Singapore’s national water agency, to provide engineering services for Phase 2 of the Deep Tunnel Sewerage System (DTSS) - said to be one of the most significant and anticipated water projects in Asia. The contract was signed at a ceremony at Singapore International Water Week 2014.

The concept of the DTSS is to use deep tunnel sewers to convey used water by gravity to centralised water reclamation plants (WRPs) located at the coastal areas. The used water is then treated and further purified into ultraclean, high-grade reclaimed water called NEWater, or discharged to the sea through the outfalls. DTSS Phase 2 will extend DTSS to the western side of Singapore through an 29 km-long South Tunnel, 70 km of link sewers, the Tuas Water Reclamation Plant (WRP) and an estimated 12 km deep-sea outfall.

The entire DTSS will result in a 50% reduction in land taken by used-water infrastructure with three centralised collection and treatment points: Changi WRP in the east, Kranji WRP in the north and Tuas WRP in the west. A NEWater factory will be integrated with the Tuas WRP and contribute to Singapore’s long-term goal of increasing NEWater production to meet up to 55% of its total water demand. In addition, working with Singapore’s National Environment Agency, an integrated waste management facility will be co-located at the Tuas WRP site.

The B&V AECOM joint venture will conduct a feasibility study and preliminary design as part of the first stage of the project. As the lead consultant, the team will program manage the delivery of DTSS Phase 2 in the second stage of the project. Supporting the venture will be Ramboll, a consulting engineering company from Denmark, and KPMG. During the course of the project, the team will also explore ways to collaborate on ideas with key tertiary institutions in Singapore.

“The project’s vision underlines PUB’s innovation and global leadership in sustainable water solutions,” said Cindy Wallis-Lage, president of Black & Veatch’s water business. “It is a privilege to team with AECOM and PUB in setting a new standard in reliable, flexible and energy-efficient infrastructure that promotes water sustainability for the future.”

“We have assembled a compelling joint venture team of world-class local and global experts, who look forward to delivering a sustainable infrastructure solution,” said Michael S Burke, AECOM president and chief executive officer. “We are honoured to be a part of the DTSS project, which will enhance Singapore’s water sustainability and resilience, solidifying its place as a leader in the global water industry.”

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