Rig demolishing a structure on mining site

Ellendale Diamond Mine Deconstruction

Location
Ellendale, WA
Client
Government of Western Australia - Department of Mining Industry Regulation and Safety (DMIRS)
Duration
10 months
Status
Completed 2022

Overview

The Government of Western Australia’s Department of Mining Industry Regulation and Safety (DMIRS) engaged Liberty Industrial to carry out the complete deconstruction, demolition, disposal, recycling and rehabilitation works at the former Ellendale Diamond Mine, situated 140km east of Derby within the Bunuba Native Title Lands. The scope of works involved the deconstruction and demolition of all non-mining and mining infrastructure, including conveyors, diamond processing areas and sorting shed and dump hoppers, alongside site-wide rehabilitation. Our project was the first of its kind to be undertaken within Western Australia and with our client DMIRS.

Challenges

  • The site, which sat adjacent to the Balili or Devonian Reef Conservation Park was rich in cultural history and all planning for the project had to consider the surrounding flora, fauna and heritage marked areas.
  • Located in a remote area and challenging environmental conditions for transportation of personnel, plant and equipment on-site.
  • As the site had sat dormant for some time, existing structures were in partial states of unknown conditions which lead to complexities in deconstruction methodologies.

Robust Solutions/Exceptional Outcomes

Robust solutions

  • Successful construction of the temporary work camp and infrastructure without incident during the entire occupation of the project’s duration with seamless mobilisation of all staff members, plant and equipment plus medical provisions were made available 24 hours, 7 days of the week.
  • As the site was large and work areas were scattered across the site, work was sequenced in a controlled approach to each work face that ensured our demolition teams seamlessly transitioned from one area to another. Multiple work fronts operated at a time to ensure the coordination of the project is adequately supervised, traffic control with heavy and light vehicles interactions was clear, manageable, safe, and always coordinated.
  • All structures had to be deconstructed and dismantled using mechanical demolition techniques and a combination of Liberty Industrial’s 38 and 48t excavators.
  • Careful consideration was taken with the optimal handling of scrap and waste materials. We had considered various options for salvage items as outlined in the Waste Management Strategy.
  • Liberty Industrial worked closely with the local Indigenous peoples to ensure adequate Cultural Awareness Training is completed over the duration of the project. A priority of the Project Manager and procurement team ensured work opportunities were created and prioritised for local and indigenous subcontractors.

 

Exceptional outcomes

The project was masterfully executed and completed on schedule, on budget and with zero safety incidents.

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

Ground and Waste Water Treatment

Treatment of a wide range of contaminants and complex water treatment and soil vapour extraction.

05

Asset and Resource Recovery

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

06

Site Remediation

Site rehabilitation via methods such as bioremediation, containment, decontamination, dewatering, stabilisation, treatment and tracking to disposal of contaminants.

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