Cassowary Coast Regional Council

Council Awards and Recognition Council Awards and Recognition

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2012 - State Award for Innisfail Sewage Treatment Plant

The Cassowary Coast Regional Council and contractors WDS York Civil have won a Civil Federation Queensland Earth Award for the new Innisfail Sewage Treatment Plant.

The CCF Earth Awards are Australia's premier awards for civil construction. They recognise excellence in civil construction, environmental and project management with criteria ranging from industry best-practice, construction management and innovation in concept to environmental management and achieving timing and budget targets.

Earth Award judges recognised the skill that went into "a difficult job", with the Innisfail Sewage Treatment Plant being built on swampland subject to flooding and with work coinciding with Cyclone Yasi and heavy rains.

The sewage treatment plant is the largest civil construction project to have been undertaken by the Cassowary Coast Regional Council, and is designed to both service a population of 15,000 and cater for the region's growth needs.

Judges said water inundated the site to 1.2 metres above existing ground levels in its northern section and three metres in the southern section during major floods.
"As a result, all major structures required lifting above the Q100 level. Design changes saw all structures founded on piled foundations, with 280 reinforced concrete piles installed to depths of up to 32 metres,'' a spokesman said. "In addition, careful consideration was given to the treatment of pipework, particularly at joints to take the predicted settlement into account."

The Cassowary Coast Regional Council and WDS York Civil award was for the $20M-$75M category.


Photo L-R: Tony Rooks (Manager Technical Support), David Trotter (Director Works), Mayor Bill Shannon and Ross Jennings (Manager Water)