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RILEY was commissioned by the main contractor, Works Infrastructure, and was responsible for the final design and supervision of:
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Miragrid reinforced slopes for three culverts, up to 15m high.
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These structures were alternative designs developed in conjunction with the main contractor and suppliers. These wrapped face walls enable a ‘green facing’ in environmentally sensitive areas.
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Three mechanically stabilised earth walls (MSE) at the Tauhinu Road Interchange and one at the Greenhithe Bridge. These walls are up to 100m long and, in places, 7m high.
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