company profile psd


psd vision

Our vision is for a sustainable world.

Our contribution is to help organisations and communities get the best possible solutions for biosolids management.

We achieve this by putting our clients needs first, listening to clients and communities and continually updating our knowledge.


the psd philosophy

Our philosophy at PSD is simple. Enjoy our work and provide value for money for our clients. Our slogan is "improving our environment". In this industry we believe we must work together to improve the environment. As professionals and people, we work to a code of ethics to ensure we serve the community and care for the environment.


the psd approach to projects

communication When working with our clients our values are:

  • closer communication with the client.
  • taking an holistic approach to projects.
  • highly experienced engineers do the work.
  • you deal directly with the people who are doing the work.
  • the project team stays the same throughout the project.
  • apply sustainability principles to all work.
  • continuous training of staff through regular sabatical tours.
  • expanding our technology links throughout the world.
  • From our experience, this approach allows projects to run most smoothly and gives the best chance of avoiding delays and additional costs.

    Our focus is always to make sure the client gets the best value solution.


    psd as a company

    PSD is a specialised firm offering unparalleled experience in the field of biosolids management in Australia and South-East Asia.

    The company comprises experienced process engineers supported by electrical engineers and environmental scientists. In turnkey design projects PSD teams with specialist civil/structural engineers to provide a complete design service.

    focus on biosolids thickening, stabilisation, dewatering

    As a specialised firm, PSD's main experience is in process engineering with a focus on biosolids (sludge) thickening, stabilisation, dewatering, storage, outloading, odour control and beneficial use. Within this area PSD provide quite a range of experience from strategic planning to detailed design to plant commissioning, trouble shooting and optimisation.

    PSD has been actively involved with many of the major biosolids projects in Sydney and throughout Australia. Malabar dewatering and stabilisation, Liverpool sludge reliability upgrade, North Head lime stabilisation plant, Woodman Point dewatering and outloading, all exhibit the innovative design capacity of PSD.

    The PSD team brings its practical experience gained from working with water authorities, consultants and contractors. This practical experience, together with a philosophy of working closely with the client and adopting a holistic approach to design, helps to ensure projects are delivered without costly design variations. The PSD track record and client references are testimony to this.