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    Bridge over Clarence River at Harwood

    ACCIONA Infrastructure as part of Acciona Ferrovial Joint Venture (AFJV), has been engaged to design and build the new bridge over the Clarence River at Harwood, located on the Pacific Highway, in New South Wales.

    General information

    Location: Harwood, NSW, Australia

    Our role: Design and construct

    Infrastructure: Design and construction of 1.5km single deck bridge

    Project value: Part of the overall AU$4.36 billion Woolgoolga to Ballina Pacific Highway upgrade

    Estimated completion date: End 2019

    Key Features

    Construction of the new bridge involves:

    • Design and construction of a new 1.52 kilometre bridge over the Clarence River, about 30  meters downstream from the existing bridge. The length of the bridge over the Clarence River will span 620 meters, with a vertical clearance above the river of at least 30 metres for marine traffic to pass.
    • The new bridge will be a dual carriageway bridge, with two lanes in each direction.
    • There will be local road works at the northern and southern abutments.
    • AFJV is working with Roads and Maritime Services (RMS) to develop and implement innovative and efficient design solutions which will reduce the overall construction and operations budget.

    Benefits

    The project is part of the larger AU $4.36 billion Woolgoolga to Ballina Pacific Highway upgrade and is jointly funded by the state and federal governments.

    Once complete, the upgrade will improve road safety, reduce travel times and increase transport efficiency.

     

    Current Status

    Piling work on the foundations for the new bridge has started and will continue through to the end of 2017.

    Land cranes and support vehicles will move materials from the land to the temporary jetty on the river. Supporting marine vessels will transfer the materials from the temporary jetty to the main barges on the water. The main barges will support two to three cranes to insert the piles into the river.

    The first permanent pile for the new bridge was successfully driven in April. The test pile had four steel pile casings welded together and was vibrated and hammered about 65 metres into the ground. The test pile confirmed the data from the geotechnical investigations and confirmed the piling depths required to build the bridge. The pile passed through marine clay and gravel and into a harder layer of rock at about 65 metres. The test pile is one of 117 permanent piles for the bridge.

     

    RMS WEBSITE

     

     

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