QN Thickner Base Construction

Project Description / Overview:

Civil rectification of Thickener floor and concrete sub-structure, including changing the floor configuration to suit new thickener design.

Client:

BHP Billiton Yabulu Refinery

Project Features:

  • Compliance to BHP Billiton HSEC System
  • Hazardous Area - Ammonia and Gas masks required with constant Air monitoring.
  • Removal of Contaminated Sub grade and disposal onsite.
  • Install Gravel sub-base
  • Install Stabilised Sand Base to strict tolerances for tank base.
  • Raise and level the Concrete ring beam.
  • Place bitumen emulsion sealer on stabilized sand base.