Image: Ahafo Gold Mine: Asset management program

Minerals & Metals1 min read

Ahafo Gold Mine: Asset management program

Brong-Ahafo Region, Ghana
Newmont Mining Corporation
2011 - 2012

The Ahafo gold operation is located in the Brong-Ahafo Region of Ghana, approximately 290km northwest of Accra. Newmont currently operate three open pits at Ahafo and the process plant that consists of a conventional mill and carbon-in leach circuit.

Ausenco Rylson was engaged to provide Asset Management support to assist in the following scope at Ahafo operations:

  • Develop Asset Management System supporting documentation
  • Review and update plant and equipment hierarchy
  • Complete a criticality analysis of all process plant equipment
  • Review the primary and secondary maintenance strategies
  • Develop activity based OPEX budgets
  • Complete a capability analysis and provide baseline performance targets
  • Implement maintenance strategy outcomes.


The following was achieved for the Ahafo gold mine:

  • Full plant hierarchy was reviewed and updated
  • A criticality analysis based on Newmont consequence and probability criteria for all equipment was completed
  • Maintenance strategies completed for all critical equipment and drill and shovel fleets
  • Identification of spare parts requirements and critical spares analysis
  • Development of Standard Task Procedures and maintenance check sheets
  • Preparation of data to upload to client CMMS
  • Capability analysis completed for plant and mining fleets.