Background and Guidance Document

AS/NZS 1748 Series 2011 (including AS/NZS 4490:2011)

This Document has been prepared to provide background and guidance information in support of the use of the following suite of Australian / New Zealand Standards:

  • AS/NZS 1748.1:2011 Timber – Solid – Stress-graded for structural purposes, Part 1: General requirements
  • AS/NZS 1748.2:2011 Timber – Solid – Stress-graded for structural purposes, Part 2: Qualification of grading method
  • AS/NZS 4490:2011 Timber – Solid – Stress-graded for structural purposes – Verification of properties

The use of these standards enables the stress-grading of structural timber using any grading method (e.g. visual, mechanical) and relies on a number of principles for proving the performance of the stress-graded structural product – as outline if the Document.

The Document takes you through the steps required for qualification and verification as well as providing the statistical concepts to achieve this.

To download a copy of the “Background and Guidance Document” refer below.

For further information regarding current activities, please contact Boris Iskra.


Background and Guidance Document (3.43mb)