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Atkins and Dragages celebrate HK tunnel breakthrough

Breakthrough of the second tunnel boring machine (TBM) marks completion of the tunnelling on Hong Kong’s Lung Shan Tunnel Northbound on the Liantang-Heung Yuen Wai boundary crossing road project.

Atkins an Dragages together with Civil Engineering and Development Department (CEDD) of Hong Kong SAR held a special event to mark the second and final breakthrough on the scheme.

Atkins started work on the design and build project in late 2013 and the work involves construction of twin bore 4.8km two-lane road tunnels by TBM and drill and blast between Hong Kong and mainland China.

“It is a great pleasure to witness another milestone,” said Atkins project manager Ray Chan. “Innovative design and close collaboration were key to the success of the record-setting project.”

The Lung Shan Tunnel is the longest twin bore tunnel in Hong Kong and the 14.1m diameter tunnels were constructed using the largest ever earth pressure balance TBM.

The TBM broke through on the southbound tunnel in March last year before completing a U-turn in specially designed rock caverns to complete the northbound bore.

The project is expected to be completed by the end of the year.

 

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