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

Strategic Sewage Disposal Scheme (SSDS), Hong Kong

Client    AB2H CONSULTANTS  (Hong Kong) Specialist assistance for major tunnel and cavern studies for interception, conveyance and treatment of waste water in fractured volcanic rock.  Feasibility study investigation and scheme concept planning.  Preliminary cavern engineering assessment – design for large … Continue reading

Posted in Sewerage & Drainage, Tunnels