Fortescue Metals Group awarded the company a contract for the supply and construction of an overland conveyor and transfer station at the Christmas Creek mine site in the Pilbara region of Western Australia.
The scope of work, which includes civil, structural, mechanical, piping, electrical and instrumentation works, will begin immediately and is expected to be completed in the first half of 2024.
Monadelphous has secured a two-year extension to its existing maintenance services contract at BHP's Olympic Dam operations in South Australia.
The scope of work includes mechanical and electrical maintenance, shutdown and project services.
The company also won a two-year extension to its existing contract with Rio Tinto to continue providing mechanical, electrical and access maintenance services for fixed plant shutdowns at its Gove operations in the Northern Territory.
The wins come after Monadelphous won $120 million in new contract with Rio, BHP and South32 last month.
Monadelphous shares rose 0.2% to two-month high of $12.79.
