In 2021, Liberty Industrial began Chevron Australia’s Thevenard Island onshore remediation project. The scope commenced with the use of Liberty Industrial’s custom-built 120-tonne high-reach excavator to safely and efficiently demolish three oil storage tanks, each weighing 1,430 tonnes.

A heavy-duty shear attachment was used to cut the tanks into manageable sections, which were then loaded into skip bins.

Our landing craft tanker infrastructure enabled a marine contractor to efficiently transport steel scrap from Thevenard Island (22km offshore) to OMSB. The project required regular port calls to deliver materials for decommissioning, including fuel provision, gas cylinders and consumables to support ongoing operations on Thevenard Island.

Access to our residential stevedoring workforce meant that Liberty Industrial was able to minimise labour mobilisation and demobilisation costs.

We also established a segregated, decommissioned steel area at the port with a capacity of 5,000 tonnes to accommodate incoming steel safely, providing exclusive storage for the duration of the project (including hazardous material and dangerous goods.

The next stage of this ground-breaking project commenced in late 2023 and supports the decommissioning of offshore infrastructure.  OMSB is proud to continue our working partnership with Liberty Industrial and establish Onslow as a service centre for the decommissioning sector.

Find our more about our Decommissioning Services.