Test Methods and Specifications

Cover of Construction of Concrete Safety Barriers
Construction of Concrete Safety Barriers
  • Publication no: ATS-4230-25
  • Published: 22 January 2025
  • Edition: 1.0

Austroads Technical Specification ATS 4230 sets out the requirements for the construction of permanent concrete safety barriers. It applies to concrete barriers constructed with manually-placed (fixed form) concrete, machine-placed concrete or Precast Concrete Barriers.

The following is excluded from the scope of ATS 4230:

  • determination of whether a concrete safety barrier is suitable for a particular location;
  • design of the concrete safety barrier;
  • safety treatments at the end of the concrete safety barrier;
  • concrete barriers on bridges or bridge approach slabs (refer to ATS 5840)
  • barriers constructed on the top of retaining walls;
  • steel beam safety barrier systems;
  • wire rope safety barrier systems.

This technical specification can also be downloaded as a Word document.

  • 1. Scope
  • 2. Referenced Documents
  • 3. Definitions
  • 4. Quality System Requirements
  • 5. Materials
    • Concrete
    • Other materials
  • 6. Site Preparation
    • General
    • Preparatory work on a rigid pavement (concrete surface)
  • 7. Construction
  • 8. Machine-Placed Barrier
    • General
    • Non-conforming machine-placed concrete
  • 9. Precast Units
  • 10. Joints and Discontinuities
    • General
    • Expansion joints
    • Contraction joints
    • Cover plate assemblies
  • 11. Delineators
  • 12. Conformance
    • General
    • Geometrics
    • Concrete
  • Annexure A: Summary of Hold Points, Witness Points and Records
  • Amendment Record