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Balfour Beatty's Hong Kong business wins £300m sewer job

Balfour Beatty’s jointly owned Hong Kong business has won a £300 million contract to build a new sewage conveyance system.

Gammon Construction, which is jointly owned by Balfour Beatty and major Asian manufacturing group Jardine Matheson has won the contract from the Hong Kong Government.

The contract is the largest single civil engineering contract ever won by Gammon.

Work will comprise construction of three deep tunnels, totalling 12 kilometres in length and up to 165 metres in depth, which will form a main part of the Harbour Area Treatment Scheme (HATS) Stage 2A.

The tunnels will collect and convey preliminarily treated sewage along the north of Hong Kong Island and under Victoria Harbour to Stonecutters Island for chemical treatment.

Balfour Beatty chief executive, Ian Tyler, said: “We are delighted to have been selected to carry out this important infrastructure project.

“Gammon’s advanced capabilities, technological standards and expertise in tunnelling work, including work on HATS Stage 1, were all factors in securing the contract.”

To enhance safety on the project, a specialised tunnel personnel tracking system will be developed to enhance the working environment and electrically powered equipment will be used for the tunnelling operation.

The project is due for completion in 2014.