Ausenco Limited (Ausenco) has received a USD 15 million operations and maintenance service contract from African Minerals Limited for the Tonkolili iron ore project in Sierra Leone, West Africa. The contract includes the provision of operations and maintenance services to two onsite mobile crushing and screening modules for phase 1A of the iron ore project. Services will begin immediately and run until July 2012. The Tonkolili project is located approximately 200km north east of Freetown in Sierra Leone. When complete, the project has the potential to become one of the largest iron ore projects in the world.