Sewerage & Drainage

Harbour Area Transfer Scheme, Hong Kong

Client – MTR / ATKINS CHINA Review of layout alternatives for adit complexes at the base of deep shafts. Review of ground conditions, production of models and concept design of temporary support schemes.

Posted in Sewerage & Drainage, Tunnels

DTSS Project, TBM launch chamber collapse, Singapore

Client: PUBLIC UTILITIES BOARD Assessment of TBM Start-up Cavern collapse in weathered granite.  Post collapse investigation, rock mass characterisation and engineering analyses of cavern behaviour under critical limited cover.  Assessment of remedial techniques including ground freezing.

Posted in Caverns and Underground Mines, Sewerage & Drainage