India-based Hindustan Dorr-Oliver has been awarded a contract by Zambian Konkola Copper Mine for the expansion of its copper refinery at Chingola.

The $85m contract involves residual basic engineering, detailed engineering, procurement, supply, fabrication, erection and commissioning.

The company, which has served alumina refineries in India, is building an uranium ore mining and processing facility with a capacity of 3,000t a day for the Uranium Corporation of India.