We believe that the effective management of environmental aspects associated with Macmahon depends on the commitment of its people to drive continual improvement. This commitment is supported through the implementation of our strong management practices, new and innovative technology and strategies for more effective use of resources.

At the outset of all projects, we identify risks and develop appropriate control strategies which we document in our HSEQ management plans. The typical purpose of the plan is to provide documentation in a suitable framework to minimise potential environmental impacts associated with project activities in accordance with contract requirements, relevant legislation and project objectives. In addition, the HSEQ management plan describes management responsibilities and authorities with respect to environmental procedures and controls that apply to the contract.

The implementation of these plans is assessed through regular inspections and audits which help drive continual improvement on our projects. Our projects are subject to regular surveillance audits which helps ensure all the relevant requirements are achieved and exceeded.

Although our environmental management standards are high, we believe we can always improve on current performance. In order to achieve continual improvement we aim to learn from any environmental incidents we are involved in and apply those lessons to our future performance. We also seek to learn from positive impacts when projects make breakthroughs in environmental management practices, such as protecting ecological communities or successfully minimising waste.

The below table outlines our Environmental Aspects and Objectives, which is reviewed with consideration to active operations.

Aspect Objectives
Legal and Other Requirements
Compliance with legal and other requirements.
  • Full legal and other requirement compliance for all Macmahon operations.
Emissions (Noise, Vibration, Water, Air)
Emissions (noise, vibration, water, air) from mining activities.
  • To gather the data required to assess compliance with statutory obligations.
  • To ensure that environmental nuisance and impact levels are avoided and minimised particularly to sensitive receivers.
  • High level of environmental compliance to environmental legal and other requirements.
  • To avoid activities which result in unauthorised adverse environmental harm.

Generation and disposal of solid and liquid waste.

  • Promotion of the principles of sustainability through appropriate resource recovery and recycling, leading to a reduction in the consumption of finite natural resources.
  • Reduce both the quantity and toxicity of our waste.
  • Identification of opportunities for environmentally sound recycling or reuse of our wastes.
  • To ensure our remaining wastes are managed and disposed of in a safe and environmentally responsible manner.

Assurance, Transparency and Reporting
Investors and other stakeholders continue to request more detailed information about HSEQ (sustainability) performance and associated assurance and governance frameworks and processes.

  • An effective process of data collection, communication (reporting) is undertaken.
  • The environmental reporting process sets goals, measures performance, and manages change.

Energy and Greenhouse Gas Emissions
Macmahon accepts the need for climate change action and recognises the issue as being significant challenge and opportunities. Macmahon supports efficient, effective, and equitable measures to tackle climate change, which promise a comprehensive, long term response to a globally complex problem.

  • Reducing the intensity of greenhouse gas emissions (GHG) and energy consumption from our mining and construction activities.
  • Assessing and managing the potential physical impact of climate change on our operations and projects.
  • Improving energy and resource efficiency at our operations to optimise the use of resources in providing society’s basic materials.

Macmahon has a large collective geographical footprint and some of our projects sites are located in biodiversity-rich areas with endemic and threatened species.

  • Conserving biodiversity across our managed operations.
  • Avoiding and minimising impacts to biodiversity (including flora and fauna) the effective planning of construction and mining activities.
  • Measures which minimise impacts to flora and fauna e.g. during clearing are undertaken.
  • Environmental awareness, training and competence - all staff and contractors are aware, trained and competent in relation to their roles regarding flora and fauna.

Resource Use
Use of scarce natural resources, in particular water. Construction and mining activities can require large amounts of water depending on the specific operational details of each site.

  • To efficiently use resources particularly scarce natural resources such as water.
  • To be as efficient as possible in water use and avoid any negative impacts on water quality in the environments in which we operate.

Dangerous Goods and Contamination
Spillage or Leakage of Hazardous Substances.

  • Effective management of dangerous goods and hazardous materials.
  • Avoidance or minimise potential harm and risks associated with dangerous goods.
  • All bulk fuels storage to comply with AS1940-2004 – storage and handling of flammable and combustible liquids.

Training and Awareness
Failure to promote awareness of environment requirements.

  • The aim of environmental training and development is to provide employees with the necessary skills and knowledge to maximise their potential and to perform work in accordance with specified industry and Company standards.

Accreditation and Certifications
Maintenance of environmental certifications.

  • Full compliance for all Macmahon operations to the Macmahon environmental management systems.

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