Mt Whaleback Tailings Dam Upgrade

LOCATION
Pilbara, WA

CLIENT
BHP

VALUE
$1.3M

COMPLETION DATE
March 2018

VOLUME
177,000m3 Earthworks

Whittens was engaged by BHP to construct a buttress at BHP’s Mt Whaleback TSF 1 North Westembankment. The works required clearing, preparation of surface level and the construction of the buttress.

The scope of works included:

  • Complete a bulk load and haul of waste material instilling support for tails dam wall downstream
  • Place material in-situ to form Buttress
  • Compacted in 1 metre lifts to achieve a dry density of minimum 2.3 t/m3 per lift
  • Loaded, hauled, placed and compacted (110,000 tonnes)
  • Completed and complied with BHP and Government body’s QA & QC.