Sewerage & Drainage

Harbour Area Transfer Scheme (Hong Kong

The Harbour Area Transfer Scheme (HATS) is a major sewerage treatment project serving the densely populated area around Victoria Harbour in Hong Kong, aiming to improve the water quality of the harbour. The first stage was completed in 2001, and … Continue reading

Posted in Sewerage & Drainage, Tunnels

DTSS Project – TBM launch chamber collapse (Singapore)

Geo-Design were involved in assessing the collapse of a TBM launch cavern in weathered granite for the Deep Tunnel Sewerage System (DTSS) in Singapore. This assessment comprised: Post-collapse investigation. Rock mass characterisation. Engineering analyses of cavern behaviour under critical limited … Continue reading

Posted in Caverns and Underground Mines, Sewerage & Drainage