AS 3996-2019 Access covers and grates

This Standard specifies requirements for access covers and grates for use in vehicular and pedestrian areas. It applies to single or multi-part access covers and grates, where any single cover does not exceed 1300 mm clear opening. This Standard covers products manufactured from grey and ductile iron, cast and manufactured steel, aluminium, concrete, and polymeric materials.
This Standard does not consider fire resistance.
The basis for the requirements specified in this Standard is a minimum service life of 25 years for covers and grates made from polymeric materials and 50 years for covers and grates made from all other materials.