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The Transport Services Technical advice note (TAN) is a formal memo which keeps all relevant people up to date and aware of any new releases, interim acceptances, changes and updates to technical information, specifications, legislation, etc in relation to highway projects.

This is being used in place of the email memos you may have been receiving from the technical teams across the Transport Services group.

The Technical advice note series should be seen as the one source of truth associated with changes to our technical requirements.

It is sent to registered users, both internal and external to the NZ Transport Agency.

Subscribe to the Technical advice note - the one source of truth for highways information.

Search for TANs posted in 2019

Search for TANs posted in 2020

Search for TANs posted in 2021

Search for TANs posted in 2022

For further information contact hip.feedback@nzta.govt.nz.

Welding of boron containing: information alert to trailer builders and fabricators of vehicle structural component

| Category: Technical advice note | Audiences: Certifiers, Heavy vehicle operators

This information is for those buying steel and fabricating vehicle structures and components, particularly those regulated to be certified and in accordance with welding requirements of AS/NZS 1554. It covers the issue of boron levels in some imported steel that impacts its weldability. This document is now available through the HERA website at http://www. hera. org. nz/.