AS/NZS 5131 'Structural steelwork - Fabrication and Erection' is to be referenced in AS 4100 'Steel structures'. This in turn is called up in the National Construction Code (NCC) effectively making it law.
Given the increased reliance on AS/NZS 5131 by government and industry, it is important to be aware of your obligations under the Standard. AS/NZS 5131 and the National Structural Steelwork Compliance Scheme substantially minimise the level of risk in a project by greatly reducing the likelihood of failure and non-compliant steelwork.
Read more here