Strength. Performance. Passion. Mooney Mooney Ck Bridge, NSW Precast arches, spandrel and wing walls Case studyUnusually high levels of rainfall during 2011 helped identify structural instability with a corrugated metal pipe (CMP) drain in the Peats Ridge area. Gosford City Council decided to replace the ageing stormwater drain, so it looked for a durable solution that could be installed quickly to minimise road closures. The ageing drain was

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