CYANIDE DESTRUCT TANK

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Doolee were engaged by Evolution Mining to refurbish the internals of the Cyanide Destruct Tank at Cowal Gold Mine Operations during a 7-day full plant shutdown.

SCOPE INCLUSIONS:

  • Removal of existing polyurea coating via Ultra-High Pressure washing
  • Mechanical steelwork repairs
  • Abrasive blasting of internal surfaces
  • Application of specialised polymer coating at a thickness of 4,000 microns
  • Stringent QAQC

In order to complete the works within our clients desired timeframe, works were carried out running day and nightshift crews to achieve maximum productivity and reduce downtime of this critical asset.

 

HIGHLIGHTS & CHALLENGES:

  • All works were undertaken under confined space procedures
  • Works were performed around the clock with two crews operating 24/7.
  • Open top tank was exposed to the elements.
  • Access to the tank internals achieved using 2 x 60foot scissor lifts which were crane-lifted into the tank.
  • High performance ultra-high build coating applied via plural pump application.
  • Works were completed one shift ahead of schedule
  • As a result of the works the overall lifespan of the tank has been protected and increased