Manufacturing Industrial Sites
Decontamination of Cheoy Lee Shipyard, Hong Kong
In 2002 Thiess Services was awarded a $68M contract to remediate the Cheoy Lee Shipyard, which formed part of the site on which Hong Kong Disneyland was built.
The site was contaminated by dioxins, PCBs, PAHs and a range of metals.
The remediation project involved thermal treatment of 75,000 tonnes of dioxin contaminated soil using indirect thermal desorption, solidification and stabilisation of 130,000 tonnes of metal contaminated soils, and ex-situ bioremediation of 16,000 tonnes of heavy hydrocarbon contaminated soil using active biopiling.
Thiess Services was responsible for all aspects of the project, including obtaining licences and permits, operation of thermal and solidification and stabilisation treatment plants, and validation of excavations.
BHP Chiswick Wiremill Remediation, NSW, Australia
In 1999 Thiess Services was contracted to remediate 10 hectares of prime waterfront property on the former BHP Wiremill site in the inner western Sydney suburb of Chiswick.
The project included development of a Remedial Action Plan, liaison with Auditors and the EPA, on-site stabilisation of 82,000 tonnes of leachable lead contaminated soils, screening and segregation of more than 245,000 tonnes of contaminated soils, disposal to landfill of 160,000 tonnes of contaminated soil, excavation of basements for future residential developments and reconstruction of a seawall.