Trench Units & Fire Walls

  • Laing O’Rourke Australia
  • Project Period: 2015-2016

Project Specifications:

  • 975 No. Culvert Trench Units (Avg 20T)
  • 113 No. Perlite Lined Trench Units
  • 760 No. Perlite Wall Panels (Avg 170kg)
  • 703 No. Fire Wall Panels (Avg 4T)
  • 254 No. Firewall Columns (Avg 14T)

Project Details:

  • No two precast culvert units the same due to each having to match both the FFL gradient and falls.
  • 3D modelling required to ensure constructability and accuracy in manufacturing of precast units.
  • Originally designed as an insitu solution.
  • Highly specified products with stringent quality requirements and reporting.
  • Detailed key joint arrangements provided to ensure no leaking at in-situ connections.
  • Storage of up to 700No Culverts for just in time delivery.
  • S50 LH Concrete with high specification requirements for overnight strengths of 20Mpa.
  • Daily casting of 6No culverts per day.

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