Stormwater detention and infiltration


The StormTrap® system

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The StormTrap® system is an underground trafficable stormwater detention and infiltration solution that provides a high level of value for customers and projects in meeting regulatory requirements, whilst minimising the impact on land usability. The system represents a cost effective, fully trafficable, below ground detention system that complies with all the relevant Australian Standards.

The StormTrap® system is produced by connecting individual precast concrete modules into a configuration that meets each project's requirements. This unique approach provides an extremely simple and flexible design solution without compromising above ground land use. 

A range of design and installation benefits make the StormTrap® system a competitive solution for any residential, commercial or industrial project.

  • The system is custom designed to best suit your project.
  • Our custom computer software will reduce your design time.
  • The system will provide the maximum possible detention volume for the smallest footprint.
  • It provides a high infiltration capacity.
  • It is low risk and fully trafficable to SM1600 traffic loadings (AS5100.2).
  • It is cost effective in constrained sites.
  • It is quick to install.
  • The system is fully accessible and maintainable.
  • It can meet local detention requirements without compromising land use.

Related content

  • Stormwater detention and infiltration brochure - Issue 5 (pdf, 3.93 MB)
  • StormTrap® system – Installation guide: SingleTrapTM model (pdf, 1.13 MB)
  • StormTrap® system – Installation guide: DoubleTrap™ model (pdf, 1.08 MB)

Case studies

  • GMK industrial development, Sydney (pdf, 238.01 KB)
  • Royal Melbourne Golf Club, VIC (pdf, 748.22 KB)
  • Fiona Stanley Hospital, WA (pdf, 292.48 KB)
  • Legacy Way Tunnel, Brisbane (pdf, 188.95 KB)