The Deep Tunnel Sewerage System Phase 2 Project - Details on ZAWYA UAE Edition
added on: 17 December 2018

The Deep Tunnel Sewerage System Phase 2 Project

Also known as: Public Utilities Board DTSS, Deep Tunnel Sewerage System Extession


Public Utilities Board Singapore' of Singapore (PUB) planned to develop the project of 'The Deep Tunnel Sewerage System Phase 2'. The project starts under Keppel Road, following the Ayer Rajah Expressway to Tuas Road. It will also include a separate 10 km tunnel in Tuas. The main DB (design & build ) contractor is 'Shanghai Tunnel Engineering Co Ltd'. The developer of the project are 'Public Utilities Board Singapore' and 'National Environment Agency' of Singapore. The The Deep Tunnel Sewerage System project is a massive integrated waste water treatment system to collect, treat, reclaim and dispose used water from industries, homes and businesses. The project was divided into 2 phases, phase 1 of which was completed in 2008. Phase 1 is comprised of a deep tunnel system running 48km long to channel the flows of water from existing gravity sewers to the Changi WRP in the east and Kranji WRP in the north. Phase 2 will extend the tunnel system to the west of Singapore through a 30km-long south tunnel, 70km of link sewers, the Tuas WRP and a 12km deep-sea outfall. The project it will be developed to achieve greater environmental sustainability and provide Singapore with an affordable waste management system when completed. The new water factory at the Tuas WRP of the project will contribute to 55% of the region’s water demand. Further more, the existing Ulu Pandan and Jurong WRPs and intermediate pumping stations will be decommissioned and the occupying lands will be cleared for further development.
Facility Type
Sewerage System
Ownership Type
Project Type

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