Leighton Contractors has been awarded a one-year contract extension for providing mining services at the Dawson Mine in Central Queensland, Australia.
The contract value is estimated at $120m.
The mine, which is operated by Anglo American, is located in the lower Bowen Basin about 140km south-west of Gladstone just outside Moura.
The extension includes an additional excavator fleet to increase production capacity and scale up project management services
The Dawson Mine is an open-cut coal operation with more than 174 million tons of existing coal reserves.
Leighton Contractors resources division executive general manager Steven Keyser said that the contract extension and inclusion of additional services recognised the production and safety performance of its staff at the mine.
"I look forward to the Leighton mining team continuing our work there safely and efficiently, while supporting our client's future needs," Keyser said.
Leighton Mining first secured the contract at Dawson Mine in 2010.
In other contracts, The Leighton Ngarda Joint Venture, a partnership between Leighton Contractors and indigenous contractor Ngarda Civil & Mining, was awarded a $104m contract for earthworks for Rio Tinto.
Leighton Contractors general manager of the construction division - western region Graeme Dunn said that the earthwork contract would be key to the construction of the $1.12bn mine which will have an annual capacity of 15 million tons.
Under the scope of the contract, the joint venture will undertake mine pre-strip, bulk earthworks, roadworks, drainage works and common services trenching and installation works for the new Hope Downs 4 mine.
"The contract will build on over 30 years' experience in providing a range of services to the resources industry in Western Australia,while bringing together the complementary skills of Leighton Contractors and Ngarda," added Dunn.