Description

This Standard provides a means of compliance with the relevant performance requirements of Building Code Clauses B1, F2 and F4 in order to minimise the potential for injury to building users from glazing in buildings. Correction Amendment 1:2016 is incorporated.

Scope

NZS 4223.3 specifies minium requirements for glass selection and glazing in locations subject to human impact and safeguarding against falls.

All glazing wholly or in part within 2000mm of the floor or ground level and that is not protected from human impact is covered by this part of NZS 4223.

The following are excluded from the scope of NSS 4223 Parts 1, 2, 3, and 4:

• a) Glazing in lift cars and liftwells (refer to NZS 4223.1, Appendix A for guidance);
• b) Furniture glass, cabinet glass, vanities, glass basins, refrigeration units, internal glass fitments and glass wall linings, framed internal wall mirrors, and mirrors not specifically covered by these parts;
• c) Buildings and structures with no public access intended for non-habitable building structures for horticultural or agricultural use;
• d) Restoration or repairs to existing decorated glass;
• e) Glazing applications that might fail due to stresses other than tensile stresses, such as glass floors;
• f) Plastic glazing materials;
• g) The construction and installation of windows (refer to NZS 3504, NZS 3619, and NZS 4232.2);
• h) Glass blocks, pavers, slumped, formed, or cast glass;
• i) Point-fixed or point-supported systems, used for glazing, cladding, signage, and the like, not specifically covered by these Parts (refer to Part 1 for design criteria and guidance for specific design).