Contamination

  • Rosehill Waters Development

    Western Environmental was engaged to provide land contamination and acid sulfate soil assessment and management services for a large-scale land development project in Perth’s eastern corridor. Works included preliminary and detailed site investigations, remediation and close-out, requiring approval by a DWER-accredited Auditor under Section 31 of the Contaminated Sites Act 2003. Additionally, complex hydrogeological conditions…

  • Wittenoom Asbestos Risk Assessment

    Western Environmental was engaged to oversee the remediation of several areas impacted by loose fill asbestos along the Roebourne-Wittenoom Road, as well as preparing a detailed risk assessment and simulated exposure exercise to quantify risks presented to human receptors who may be exposed whilst travelling along the road; this included air quality monitoring during the…

  • Defence Estate Divestment

    Western Environmental was commissioned to undertake a preliminary site investigation, sampling and analysis quality plan, conceptual site model, detailed site investigation and risk assessment of four sites across Queensland, South Australia and Western Australia. Sites were located in regional and remote areas and were substantial in size, requiring the mobilisation of large field teams and…

  • Perth Airport Link

    Western Environmental was appointed as lead consultant and client-side advisors for the design and construction phases of the Perth Airport Link project from 2015 to project completion in 2023. Works included preparation of a sampling and analysis quality plan and large-scale detailed site investigation in a complex multi-jurisdictional environment. Site assessment occurred prior to the…

  • Optus Stadium

    Western Environmental was engaged by the primary contractor to design, construct, operate and maintain a groundwater “capture and contain” remediation system comprising a 480 m groundwater dewatering array and multi-stage treatment system to adjust pH, remove suspended solids, metals and a range of organic contaminants that were mobilised as a result of ground improvement works…

  • PFAS Construction Management

    Western Environmental was selected as the primary consultant and remediation contractor on a major construction project for an international retail client involving the design, construction, operation and maintenance of a PFAS groundwater treatment plant for construction dewatering. Project delivery included consulting services (site investigation, management plans, risk assessment, approvals and permits, regulator liaison, remediation design,…

  • PFAS Surface Water Remediation

    Western Environmental was engaged to deliver a five-year contract for the design, construction, operation and maintenance of a PFAS water treatment system to extract and treat surface water emanating from a source area at a major Australian airport. Project design and construction included obtaining necessary permits and approvals, civil and electrical works, plant installation and…