Monadelphous Group Limited has announced the award of new construction and maintenance contracts from Rio Tinto valued at approximately A$150 million ($94 million).

The company has secured a multidisciplinary construction contract under its sustaining capital projects panel agreement for a replacement ammonium nitrate storage facility at Rio Tinto’s Brockman 4 mine, in the Pilbara region of Western Australia. Work under the contract is expected to be completed in the first half of 2026.

Monadelphous has also been awarded a three-year panel contract to provide water management works across Rio Tinto’s mine operations in the Pilbara region of Western Australia.