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Goulburn Remediation project hosts ALGA members

A group of some 40 Australasian Land and Groundwater Association (ALGA) members were afforded the opportunity to visit Jemena’s historic Goulburn gasworks remediation project, just prior to commencing full-scale remediation.

The gasworks operated between 1879 and 1970, with the historical gasworks related operations and waste disposal activities contaminating soil and groundwater at the site.

The visit included a brief site induction by the remediation contractor Enviropacific followed by presentations from Jarrod Irving (Jemena) on the history, background and approvals process for the remediation of the gasworks, as well as Richard Giles (Enviropacific) detailing how the bench-scale and field-scale trials formed the remediation methodology. The remediation will involve the ex-situ stabilisation and treatment of around 8,000 m3 of contaminated soil. Works began at the site in November 2018 with significant progress made to date, including completing the water treatment plant (capable of treating contaminated water at 3 L/s), soil treatment pad, odour control enclosure and emission control system, secant pile low permeability wall and bored piles to protect buildings of heritage significance.

Following the presentations, groups were accompanied to multiple locations across the site, including the water treatment plant, odour control enclosure as well as getting up close and personal with the Hitachi soil recycler (prior to any treatment) which will be completing the ex-situ stabilisation of the contaminated material. The tour hosts were presented with an array of challenging questions from the ALGA members, followed by some lively discussion – which rounded-out an interesting and informative day – with attendees immersing themselves in the intricacies and complexities of a large scale regional remediation project.

25 March 2019 event report by Barbara Ferry-Smith, Jemena
Didn't get to attend the event, but would love to review the presentations? Go to the ALGA online library*

* note the access to all the papers in our online library is a member only benefit, for more information or to join click here

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