MMG (Laos Sepon Mine)


Sepon Coppermine, Laos, South East Asia


SAF 2205 (Duplex) Rotating Trommel


Capital Works and Upgrades
Specialised Welding & Fabrication


Up to $250k

Scope Of Work

Mechanical design including finite element analysis, procurement, fabrication, NDT and packing for shipment.

Project Resourcing


  • Required coded welders and boilermakers experienced in stainless steel structural fabrication.
  • Project Manager provided single point of contact with the client.


  • Not included – shipping and site installation in Laos by others.

Project Achievements

  • Trommel slot quantity, orientation and profile the result of detailed design work carried out by APMS Engineering.
  • Trommels supplied to MMG on a regular basis using the new design.

Key Activities


  • Detailed mechanical design, 3D modelling, finite element analysis
  • Preparation of General Assembly and detailed drawings.
  • Material procurement
  • Workshop fabrication
  • Coded TIG welding in accordance with AS1554-6.
  • Coordination of Non-Destruction Testing (NDT) and logistics arrangements and documentation for shipping.
  • Liaise with client to ensure Manufacturers Data Report (MDR) contained the information required for future reference, including as built drawing information and drawing updates.