Site Support

Safe and Reliable Expertise

On site we execute projects in a safe, reliable, and timely manner. Our trained professional leaders and key skilled trade personnel operate to a full suite of Quality Controlled and Standard Work Method Statements, and we lead industry best practice to ensure your job is performed without problem.

  • Removal of redundant piping systems
  • Installation of new piping systems
  • Maintenance of services lines
  • Change out management of Flanges and Flange management
  • Spool and Coupling maintenance and change out.
  • Operational campaigning
  • System commissioning
  • On-site analysis, de-bottlenecking and troubleshooting
  • HDPE fabrication
  • Dam lining
  • Installation and maintenance of paste pumps, valves and related systems
  • Paste plant maintenance
  • Paste reticulation installation


Our Pastefill team has over 20 years’ experience in all aspects of the Pastefill cycle including paste fill, paste fill infrastructure, paste pipe installation, supporting Pastefill Engineers, providing the Management of Pastefill teams and installations support services underground.

Our Partners


We are the industry leaders in complex piping, and handle every aspect of these systems with strict compliance to the relevant codes and standards.

In-House Services

Beyond design, we have full in-house fabrication capabilities and offer a turn-key approach for complex piping and spool fabrication.

Our Products

PSI have partnered with high-quality tier 1 suppliers to carry a range of off-the-shelf components to integrate with your piping system supply chain.

Developing | Defining | Engineering Piping Processes