Work is underway to refurbish the Crookwell Sewage Treatment Plant’s four aerator gearboxes.
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The aerators saturate the effluent with free oxygen, enabling bacteria to survive and, in turn, break down the sludge.
The extended aeration tank was installed as part of the augmentation in 1994 and is designed treat effluent from a population of up to 4000 people. The refurbishment also includes the installation of high-flow oil pumps.
Upper Lachlan Shire Council’s general manager John Bell said the refurbishment would help extend the life of the aerator gearboxes for a further 20 years.
The project involves sending away one aerator gearbox for refurbishment at a time to a specialist engineer in Victoria and lifting them into the site by crane.
