Oil & Gas Sites
Mortlake Gasworks Rehabilitation Project, NSW, Australia
In 1998 Thiess Services was contracted to remediate the former AGL Gasworks site at Mortlake.
Valued at $47 million, this was the largest gasworks remediation ever undertaken in Australia.
The project involved excavation and containment of more than 1.2 million cubic metres of tar-contaminated soils and bedrock, importation and placement of 600,000 cubic metres of clean soils, thermal desorption of 25,000 tonnes of tar wastes, demolition of numerous gasworks structures, and recovery and off-site disposal of hazardous tar sludges.
HMAS Platypus Remediation, Neutral Bay, NSW, Australia
In early 2000 Thiess Services was awarded a Managing Contract by the Australian Department of Defence to remediate a former gasworks facility at the Australian Navy's eastern submarine base.
The scope of remediation works included excavation and disposal of more than 155,000 tonnes of contaminated soil and rock, treatment of hazardous tar impacted soils, groundwater recovery and disposal, demolition of Defence and gasworks structures, site validation and close-out reporting.
Port Melbourne Gasworks, Port Melbourne, VIC, Australia
In 1997 Thiess Services was contracted to remediate the Port Melbourne Gasworks.
The scope of works included demolition of several gasholders and tar pits, recovery and off-site disposal of tar wastes, landfill disposal of 43,000 tonnes of contaminated soils and wastes, on-site treatment of chlorobenzene contaminated soils by ex-situ bioremediation, reinstatement of excavations and capping.