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Alliance contracts win big

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THREE of this year’s four Queensland Case Earth Awards have gone to projects completed under alliance contracts, reflecting a growing trend in the construction industry. Wivenhoe Alliance, comprising Toowong’s Leighton Contractors, SEQWater Corporation, Coffey Geosciences, the NSW Department of Commerce and MWH Australia, won for its upgrade of South East Queensland’s primary water supply and flood mitigation dam. The $70m project involved construction of a 165m wide additional spillway, a five-span traffic bridge, post-tensioning of the existing spillway and associated works. The upgrade was completed six months ahead of schedule and 10 per cent below budget.

The Burnett River dam was completed in November 2005 and named Paradise Dam. The $200 million project was completed by an alliance including Burnett Water, Milton’s Macmahon Contractors, SMEC and Hydro Tasmania. The Eenie Creek Road Stage 2a project at Noosa earned an award for JF Hull Holdings. The project included the construction of a concrete bridge over the Weyba Creek and environmentally-sensitive wetlands. A launching truss system allowed 51t super T-bridge girders to be erected without environmentally damaging access roads.

Environmental Excellence: Category 2, $5 million to $15 million

Winner: Eenie Creek Road Stage 2a

Contractor: JF Hull Holdings

Environmental Excellence: Category 3, over $15 million

Winner: Wivenhoe Dam Upgrade (Joint Winner)

Contractor: Wivenhoe Alliance

Environmental Excellence: Category 3, over $15 million (Joint Winner)

Winner: Paradise Dam

Contractor: Burnett Dam Alliance (BDA)

Construction Excellence: Category 3, over $15 million

Winner: Paradise Dam

Contractor: BDA

Source: Construction Contractor

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