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    Powers Fasteners at Warragamba Dam upgrade

    Powers Fasteners Australasia

    The Warragamba Dam project required the construction of an auxiliary spillway separate from the adjacent 140m high existing dam structure.

    The spillway is carved out of the sandstone to a depth of 50m with over 55000m3 formed concrete used in the construction.

    Because Warragamba Dam and its catchment provides drinking water to over 80% of Sydneysiders, heavy emphasis was placed on use of environmentally friendly products and safe work practices.

    Products such as Acrylic AC100 and Power-Fast adhesives that could be in contact with water during and after construction, required approval prior to use to ensure these safety standards were maintained.

    Main Powers Fasteners ' products used:

    • Power-Fast
    • Carbide
    • AC100
    • Screw-Bolt
    • Power-Bolt
    • Power Foam


    • 6000 M16 SS rods with AC100 adhesive were used on the spillway drainage covers.
    • 26mm diameter Power-Bolt-s were used on the cover plates on the roadway across the top of the dam wall, these high strength anchors that could sustain the 50-ton mining trucks and equipment constantly crossing.
    • Power-Fast adhesive used extensively for rebar installation throughout the project.
    • 12mm Screw-Bolts were used for the balustrade across the top of the spillway and dam.

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