Thiess continues its involvement on the civil engineering front, constructing kilometres of roads and bridges and major infrastructure including the Western Ring Road in Victoria. The three-lane dual-carriage freeway was the first major freeway in Australia to use recycled concrete for base pavement construction.

Thiess Services is awarded the contract for the design, construction, operations and maintenance of BHP’s Port Kembla Steelworks Wastewater Recycling Facility in New South Wales.

The Australasian Correctional Services consortium is established by Thiess and Australasian Correctional Management to design, construct and manage the Junee Correctional Centre – the first privately designed, built and operated prison in Australia.

With this contract in Western Australia, Thiess starts to move away from traditional contracting to take on the role of developer, project initiator and financier/facilitator.

Thiess Indonesia establishes the Balikpapan Training and Development Centre in Indonesia’s East Kalimantan to overcome a shortage of skilled local labour. Today the facility is one of the largest in the country and personnel receive Australian TAFE qualifications.

Thiess provides management services for civil works at Cullen Bay, a prestigious marina and residential development in Northern Territory.

Thiess Services commences a long-term relationship with Melbourne Water, providing maintenance services for water mains and pumping stations.

Signalling a strong move into the healthcare market, this contract included construction of the six-storey Acute Services building, with two floors of basement car parking and four floors of Acute Services.
Thiess signs the first partnering agreement in the industry for the Mt Owen Coal Mine. The contract is for the design, construction and commissioning of the process plant and all mine infrastructure. The subsequent contract to operate the mine in the Hunter Valley, New South Wales extends to today.

Thiess provides a fully integrated total service solution including the design, construction and operation of the Burton Coal Mine in Queensland’s Bowen Basin.
Thiess becomes the first contractor to undertake underground development work for the mine owner.

Thiess is the first contractor to operate an established mine on behalf of the mine owner. The open-cut is located in Queensland’s Bowen Basin.

Thiess is appointed principal contractor on the underground expansion of the Olympic Dam mine, which contains one of the world’s largest ore bodies producing copper, uranium, gold and silver. The expansion project is reported to be one of the largest and most complex projects in Australia.

Thiess Environmental Services is contracted to carry out rehabilitation of the Maralinga Nuclear Test site in South Australia. The project, involving excavation and burial of radioactive contaminated material, is of a size and complexity never before attempted in Australia.

Thiess Environmental Services is the largest remediation contractor on the Sydney 2000 Olympic Games site at Homebush Bay.
Thiess then goes on to build the Homebush Bay Exhibition Hall as part of the Sydney Olympics preparations. It is the largest dome of its type in the Southern Hemisphere.
Thiess continues its involvement in the Sydney 2000 Olympics preparation with construction of roads, services and landscaping at the Homebush Bay site.

Thiess is awarded the construction of Balamabano Dam in Indonesia, the largest roller-compacted concrete dam in the Southern Hemisphere.

Thiess reconstructs and strengthens the existing Matahina Dam in New Zealand to meet earthquake standards. Works comprise bulk earth works and construction of a leakage resistant zone.

Thiess commences work on the Ansett Domestic Terminal Upgrade, necessary to cater for the anticipated increase in passengers for the Sydney 2000 Olympics.
Thiess acquires a 50% stake in Silcar, in a joint venture with leading global technology company, Siemens. Silcar is responsible for Telstra’s national telepower contract for the design, construction and maintenance of power supply to 36,000 installations.
Thiess’ Corporate office relocates from its premises at Archerfield to the newly constructed building at 179 Grey Street, South Bank in Brisbane.