Staff laying sheets in preparation for the Moorebank Intermodal Terminal PFAS Containment Pond Construction

Moorebank Intermodal Terminal PFAS Containment Pond Construction

Location
Moorebank NSW
Client
Qube Logistics
Duration
1 month
Status
Completed 2019

Overview

Qube Logistics commissioned Liberty Industrial to construct a 3,000,000 litre containment basin to enable the containment, management and temporary storage of surface waters run-off impacted by per- and polyfluoroalkyl substances (PFAS) on the Moorebank Intermodal Terminal site.

Challenges

  • The earlier removal of surface vegetation, concrete and tarmac hardstand areas lead to the exposure and potential mobilisation of PFAS.

Robust Solutions/Exceptional Outcomes

Robust solutions

  • A basin was constructed with imported sandstone to ensure structural integrity, lined with High-Density Polyethylene, the outside batters dressed in topsoil and jute mesh to prevent erosion. This basin was fitted with a fusion-welded HDPE Pipe in the base to gravity feed the water treatment plant. This reduced the need to access the upper slope of the basin and the need for pumping water by mechanical means.
  • The PFAS contaminated water in the western area of the site was carefully managed with a series of swales and basins to capture surface water runoff and prevent the release of PFAS impacted water into the environment.
  • The PFAS contaminated water in the eastern area required off-site storage, management and treatment solution.
  • Our team liaised with other stakeholders to design a solution to manage stormwater and surface water runoff impacted by PFAS. These designs were ratified by project consultants and approved by the client.

 

Exceptional outcomes

  • Our team worked with the client to develop a solution that considered the site’s development staging plans and potential discharge points for the treated water.
  • This project was a notable effort by Liberty in the water treatment field which was completed on time with outstanding HSEQ performance.

Value Add

01

Closure Consulting

Long-term closure planning, budgets and redevelopment strategies for redundant sites, including Early Contractor Involvement and detailed estimates.

02

Decontamination and Industrial Cleaning

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

03

Ground and Waste Water Treatment

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

04

Site Remediation

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

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

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dismantling and asset recovery synchronised safety

deconstruction resource recovery and recycling expert delivery

high expert industrial delivery reach consulting

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decontamination cleaning remediation environmental stewards

stewards risk mitigation and management waste disposal

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