Singapore | Singapur

Tunnelling for Deep Tunnel Sewerage System Completed

A milestone for the major Deep Tunnel Sewerage System (DTSS) project in Singapore: the five contractors have completed tunnelling works for the second construction phase of the gigantic sewer pipe system. The final breakthrough took place in July 2023.

A total of 19 Herrenknecht Tunnel Boring Machines (TBMs) had excavated and lined some 49 km of tunnel since 2019. In addition, a Vertical Shaft Sinking Machine (VSM) was used.

Marking the completion of tunnelling works, Goh Si Hou, Chief Executive of Singapore’s National Water Agency PUB, said: “As one of the most water-stressed countries in the...

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Singapore

Singapore: Tunnelling for Deep Tunnel Sewerage System Completed

A total of 19 Herrenknecht Tunnel Boring Machines (TBMs) had excavated and lined some 49 km of tunnel since 2019. In addition, a Vertical Shaft Sinking Machine (VSM) was used. Marking the completion...

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