Project Overview - Wallis Hill CWS Rehabilitation, Seymour

For over a century, Wallis Hill Clear Water Storage tank has provided potable water to the town of Seymour. In December 2018, Goulburn Valley Water awarded MCM the contract to rehabilitate the tank's concrete substrate and replace the tank's liner to prolong its service life.

MCM has completed concrete patch repairs and crack injection repairs using a hydrophilic polyurethanebased product. Failed joint sealant around the perimeter of the tank has also been removed and replaced. A reinforced ethylene interpolymer alloy was installed over all submerged interior surfaces, using a novel approach.

The project delivery team was challenged with blazing summer heat, working at heights and working in a restricted space without incurring any significant environmental or safety incidents. The reservoir has now been filled and tested for leaks and has proved itself 100% watertight.

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