Abstract a number of issues became apparent that were not identified in the decision-making process for the expansion approval. What was initially thought to be a gradual process of developing and integrating mine closure plans (MCP) for the mine operations over the life-of-mine, this expansion now requires a MCP for the decommissioning of the old tailings storage facility (TSF) and a MCP incorporated into the design of the new TSF. This paper examines a number of issues and opportunities that accompany expansion changes to a 37-year-old mine. Firstly, the MCP needs to be integrated into the company's business plan. A mid-ter
