Decmil, a wholly owned subsidiary of Macmahon, has secured a contract from Rio Tinto, valued at A$120m ($80.41m), for the West Angelas Sustaining Project in Western Australia’s Pilbara region. The Western Hill contract encompasses the construction of a heavy haulage road, light vehicle access roads and associated drainage systems. Work is set to begin in January 2026, with completion expected in 2027. The contract forms part of a newly created earthworks framework agreement between Decmil and Rio Tinto ...