Rig lifting a broken piece of the bypass stack

Olympic Dam ESP Bypass Stack Demolition

Location
Olympic Dam, SA
Client
BHP Billiton Uranium
Duration
1 month
Status
Completed 2013

Overview

Given our strength as an industrial demolition specialist, Liberty Industrial was sole-sourced for the deconstruction of a 110-metre failed stack standing within an operating Acid Plant at the Olympic Dam mining facility in South Australia.

Challenges

  • The stack had failed in multiple locations due to corrosion and general deterioration.
  • The work site had the potential for contamination.

Robust Solutions/Exceptional Outcomes

Robust solutions

  • Installed a 105-metre-high scaffolding surrounding the stack.
  • After stabilising the stack, each section was marked with access holes for the 200t crane to pass through and lift the stack.
  • Each section of the carefully marked stack was hand cut using oxy-gas in approximately 8-metre lengths. They were removed by five specialist riggers/cutters and placed in a strategic stabilisation location.
  • Large pipes and ductwork were removed after the demolition of the stack. This ensured the area was safe for new infrastructure to be installed.
  • All material were removed and disposed of onsite.

Exceptional outcomes

Liberty Industrial put in place a three-week pre-execution plan to ensure project success and achieved completion ahead of time without any incident.

Value Add

01

Demolition Simulation and Modelling

With exclusive license to demonstrate using Extreme Loading® for Structures (ELS) software developed by Applied Sciences International (ASI).

02

Deconstruction

Use of best approach demolition and dismantling such as explosive using world class fleet, safety and engineering methodologies in explosives and rigging.

03

Decontamination and Industrial Cleaning

Designing engineered solutions for decontamination such as removal of asbestos, heavy metals, PCBs, dioxins, PFAS and NORMs.

04

Asset and Resource Recovery

Comprehensive waste and recycling management to contribute to the circular economy to extend the lifecycle of materials.

values-bg

Managing PFAS in Site Closure Remediation

Insights

Bioremediation for Closure

Insights

Demolition and recycling phase completed for first major closure project for Rio Tinto at Argyle Diamond Mine, WA.

integrated capability responsible decommissioning

decommissioning closure and asset liability consulting

consulting risk management engineered solutions 3d simulation

and simulation liberty modelling dismantling and asset

dismantling and asset recovery synchronised safety

deconstruction resource recovery and recycling expert delivery

high expert industrial delivery reach consulting

expert delivery high reach explosive induced collapse

collapse specialised contracting decontamination

decontamination cleaning remediation environmental stewards

stewards risk mitigation and management waste disposal

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