Test Methods and Specifications
Installation of Conduits and Pits
- Publication no: ATS-4560-25
- Published: 9 December 2025
- Edition: 1.0
- PDF (free) Download
Austroads Technical Specification ATS 4560 sets out the requirements for the installation of conduits and pits for the protection of electrical and communications cables.
ATS 4560 does not cover any of the following:
- a) the design of the conduit system;
- b) the supply and installation of cabling in the conduit and any associated equipment; and
- c) the supply and installation of equipment housings and above ground cabinets.
Requirements in addition to those specified in this Specification may apply if:
- a) the conduits are not installed underground (such as in a concrete safety barrier); or
- b) the pits are not installed at or near the ground surface.
If a conduit is installed by Horizontal Directional Drilling (HDD), the requirements in ATS 4540 will also apply.
This technical specification can also be downloaded as a Word document.
- 1. Scope
- 2. Referenced Documents
- 3. Definitions
- 4. Quality System Requirements
- 5. General
- 6. Materials
- 7. Supply of Pits and Covers
- General
- Accessories
- Ladder
- Reuse of Pits Not Containing Asbestos Containing Material
- 8. Asbestos Containing Material in Existing Conduits and Pits
- General
- Redundant Conduits or Pits Containing ACM
- Use of Conduits or Pits Containing ACM
- 9. Construction – General
- 10. Excavation
- General
- Removal of an Existing Pavement
- Trench Construction
- 11. Installation of Conduits
- General
- Minimum Size and Number of Conduits
- Bends
- Bedding of Conduits
- Conduit at Pits
- Shared Trenches and Adjacent Conduits
- Jointing
- Draw Rope
- Conduit Plugs/bungs
- Covering of Conduits
- Marking Tape
- Surface Mounted Conduits
- Conduit Integrity Tests
- 12. Installation of Pits
- Placement of Pits
- Numbering of Pits
- Bedding of Pits
- Circular Pit Collars, Risers and Surrounds
- Finished Surface Level
- Entry of Conduit
- Vermin Proofing of Conduits
- Installation of a Pit over an Existing Conduit
- Drainage
- Pits Installed on Batter Slopes
- Maintenance Marker Posts
- 13. Completion
- General
- Completion Report
- ‘As-constructed’ Drawings
- Annexure A Summary of Hold Points, Witness Points and Records
Related publications
ATS-4540-25
Latest Test Methods and Specifications News