Process 26 was engaged by Artemis to integrate a 500,000 tpa gravity gold circuit into an existing Ni-Cu flotation plant. The scope included maximizing the reuse of existing equipment.

In conjunction with Artemis, a process flow diagram and mass balance were developed for the integrated gold circuit. Process 26 performed all civil, structural, mechanical and electrical engineering for
the gravity circuit integration. All drafting was performed in house.

All procurement and fabrication of materials and equipment was managed by Process 26. Onsite activities consisted of the following:

• Installation of all concrete and civil works
• Refurbishment of primary and secondary crushing station
• Integration of a new Metso HP200 tertiary crusher
• Structural audit & repairs to existing plant in accordance with DMIRS requirements
• Replacement of RE Wall with mass retaining wall
• Refurbishment of existing mills
• Supply and installation of DSM screen and cyclones for mill classification
• Supply and installation of gravity circuit feed conveyors
• Supply and installation of gold room and security system
• Redesign and refurbishment of HV Electrical distribution network
• Refurbishment of LV electrical reticulation system
• Upgrade of SCADA system
• Relocation and installation of new 10m tails thickener
• Raw water dam refurbishment
• Air and water system upgrade