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Cathic is a specialised mechanical services plumbing contractor whose employees have been successfully supporting the water needs of Water Authorities, Industry and Regional Australian businesses for over 30 years.


Based on our solid and practical construction experience, Cathic delivers innovative solutions for project delivery outcomes.



We can offer advisory services to clients who are considering projects in the areas of water and wastewater management, particularly construction.

  • Problem management and solutions
  • Adaptive solutions and designs
  • Assessment of project risks




The solutions Cathic can provide in the areas of water, wastewater and stormwater management are those that offer clients a holistic and intelligent solution.


The services Cathic can provide include but are not limited to the following:

  • Design, construction and commissioning of the following systems:
    • Chemical dosing
    • ­Water and wastewater treatment
    • ­Odour control
    • ­Aeration systems
  • Industrial plumbing
  • Rainwater tanks and pumps
  • Specialised plastic welding
  • Complex and unique piping installation and fabrication

Project delivery

We have significant experience in successful on-time and on-budget delivery of major infrastructure projects.


Cathic is well recognised for professional integrity and honesty in project delivery. As importantly, we are also recognised for our ability to work closely with clients to provide on-time and on-budget, high quality project outcomes.


Management Systems

Cathic operates under the ISO management systems covering quality, OH&S and environmental management.

AS/NZS ISO 9001:2008

Quality Management

AS/NZS ISO 14001:2004

Environmental Management

AS/NZS 4801:2001

Occupational Health and Safety Management


Cathic is code compliant with Australia’s National Code of Practice for the Construction Industry.

(Please Note: Cathic’s operations are not externally audited)

Cathic Resources

Cathic is able to provide a full range of professional services, meeting an extensive range of client needs. Cathic’s resources combined with long-standing partnerships in the mechanical, electrical and civil construction fields allow Cathic to provide integrated construction solutions. . We can provide, through a single point of contact, the range of engineering, technical and construction skills usually provided by detached consultants and contractors:

  • Engineers
  • Draftsmen
  • Project managers
  • Construction supervisors
  • Qualified plumbers
  • Plastic technicians
  • Certified personnel