Cost driven up by production problems at Pilbara operations.
Win comes just months after company bought by German company Vossloh.
Hosing down speculation it is negotiating to buy BGC Contracting for $600 million.
Adds to the plant site earthworks contract it has already won.
First predominantly Caterpillar haulage fleet for a Rio Tinto iron ore mine.
Contracts cover rail work and mineral processing equipment.
Storm impacts expected to still be felt in the next quarter.
Koodaideri expected to be Rio Tinto's most advanced operation.
Contractor grown revenue for the first half 51% on the prior corresponding period.
Pilbara iron ore production up 2% year on year and bauxite production remaining strong.
Won entertainment infrastructure contract for Koodaideri construction camp.
To build a 780-room construction camp at site.