Asset management support for Ahafo operations

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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-inleach 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.

Project details

Brong-Ahafo region, Ghana
Newmont Mining Corporation
2011 - 2012
Solution phase