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Thiess wins 3.2km Australian tunnel

12 Dec 11 Thiess has won a contract worth AU$140m (£84.5m) to build a tunnel for Australia’s largest electricity distributor, Ausgrid.

The 132kV City East Cable Tunnel (CECT) project involves the construction of a 3.2km segmentally lined tunnel under the city. The 3.5m-diameter tunnel will connect the existing City North substation in Sussex Street to a new substation in Riley Street, Surry Hills.

The CECT project also includes the construction of two concrete lined connectors, an extension to the City South Cable Tunnel and installation and commissioning of all tunnel mechanical and electrical services. The project is scheduled for completion in 2015.

Managing director Bruce Munro welcomed the contract. “From our pioneering role building the tunnels of the Snowy Mountains Scheme to major road tunnels and service tunnels of many types, Thiess is proud to be working with Ausgrid to deliver this vital electricity infrastructure,” he said.

The awarding of the CECT contract follows Thiess’ ompletion last year of Ausgrid’s City West Cable Tunnel (CWCT). Thiess’ general manager tunnelling Glen Ashton said that the CWCT project had exceeded the client’s expectations in many areas, including safety. “We had no lost time injuries during more than 820 working days and we look forward to delivering the same performance for Ausgrid on the new project,” he said. “Open dialogue with our clients is central to the way we do business and this has been the backbone of our very productive relationship with Ausgrid.”

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