AS/NZS 4688 (levels 4, 5 and 6)
Most certified fixed height chairs in Australia and NZ are tested to the requirements of AS/NZS 4688:2000 Furniture - Fixed height chairs. This standard states that it is not for more than occasional use by people over 100 kg.
An AFRDI Level 6 certified fixed height chair will meet most commercial needs. Level 6 chairs are described as suitable for "extremely heavy conditions" in the standard.
AFRDI Level 5 certified fixed height chairs are described as suitable for heavy duty office, hospitality, industrial and similar applications.
AFRDI Level 4 certified fixed height chairs are described as suitable for heavy domestic use, general office, contract hospitality and executive use.
AFRDI 151 – Rated Load
This standard is designed to cater for chairs intended to be used by people heavier than 100 kg.
It is available in the following options:
||Public space use for people up to and including 135 kg
||Public space use for people up to and including 160 kg
||Public space use for people up to and including 185 kg
||Bariatric use for people up to and including 300 kg
Certification requirements at the bariatric level of the Rated Load standard (AFRDI 151) include limited dimensional/ergonomic criteria. All Rated Load options apply equal or greater loads than AFRDI level 6.