Concrete Production Standard Revised

Standards New Zealand is pleased to announce the publication of NZS 3104:2021 Specification for Concrete Production.

Commissioned and developed under a new 'partnership agreement' by Concrete NZ, the Standard prescribes the minimum requirements for the production of fresh concrete, and supersedes the 2003 revision of the original 1983 standard.

The principal changes incorporated into the revision are:

• New provisions have been introduced for the evaluation of compressive strength results for concrete plants that can demonstrate excellent control of their concrete production.
• Technical control of concrete production has been tightened by introducing mandatory requirements for 7-day strength testing and daily moisture content measurement of fine aggregate.
• Yield testing has been increased for plants producing more than 9000 m³ per year.
• Content has been updated to acknowledge the influence of new materials, technologies, and practices such as supplementary cementitious materials, recycled materials, and other standards and technical guidelines.

The revision has been designed to meet an identified industry need and will allow users to follow up-to-date and recognised good practice methods, and provides a modern, safer compliance document to enable nationally consistent concrete production.

Copies of NZS 3104:2021 can be purchased from the Standards New Zealand website.

Click here for a Summary of Significant Changes in NZS 3104:2021