The fact sheet is intended to offer an easy and quick guide for on-site reference. Glass installations in buildings have to comply with these Australian standards. Builders, designers, surveyors, and architects are advised to ensure they provide evidence and compliance to these standards is mandatory.
Small panels are permitted on doors and they should measure mm and have a maximum width of mm and annealed glass to a maximum of 0. Panels measuring mm are permitted to a maximum width of mm and annealed glass to a maximum of 0. Unframed doors, apart from bathroom doors, should be glazed with toughed glass to a maximum of 10mm in thickness. Ordinary annealed glass should measure a minimum of 5mm and cover a maximum area of 0.
Decorated glass should be mm and not exceed 0. Decorated glass measuring 0. Fully framed and ordinary annealed glass of not less than 5mm is permitted to an area of up to 1. Larger areas will not be allowed no matter the glass thickness. Note: Linear interpolation is permitted between the lines for each aspect ratio. Alternatively, span B may be determined from the tables in AS Supp 1. It should be noted that a more economical design might be obtained by following the design procedures given in Section 3 of this Standard.
For an example calculation, see Appendix B. Butt glazing of adjacent panels in the same plane should not be considered as a support when using Figures 4. Where reference is made to floor or ground level this means the highest abutting finished floor or ground level. In some circumstances the requirements of other Sections can exceed the requirements of this Section Accident statistics show that glazing in some locations in buildings is more vulnerable to human impact than in others.
These critical locations include the following: a In and around doors particularly in side panels which may be mistaken for doors. The application of Section 5 requiring the use of either safety glass or thicker annealed glass will reduce the risk of injury from human impact. This does not assume that the glass will not be broken under all human impact conditions, but rather it will not be broken under the most likely forms of human impact. When broken, the likelihood of cutting or piercing injuries will be inimized by virtue of the protection given to the glass, or by the limited size or increased thickness, or by the fracture characteristics of the glass.
Refer Clause 5. Where the marking is achieved using an applied adhesive material, the adhesive material shall be of a type that prevents peeling of the band or the lifting of its edges from the glass surface. The band and adhesive shall be of durable materials that are resistant to chemicals, heat and water and that are unaffected by cleaning and maintenance procedures.
The band shall be readily apparent. This may be achieved either by ensuring that the band contrasts with the background or by increasing the height of the band. Making glass visible by marking is not a substitute for the use of safety glass where it is a requirement of this section.
Marking shall comply with either a or b and located in height so that the vertical distance from the floor level is: i ii Not less than mm to the upper edge of the band; Not more than mm to the lower edge of the band. Whilst not required for compliance to Clause 5. Example of Manifestation A band or marking is not required where any of the following applies: i The height of the glass panel is no greater than mm at any part; iii The width of the glazing is no greater than mm at any part with faceted glazing this applies to the overall panel assembly — not individual glass panels iii There is no glazing within mm of the finished floor level.
Larger areas of ordinary annealed glass are not permitted regardless of glass thickness. Note: On tall Double-Hung Windows both sashes could be within mm of floor level so both sashes need to comply with human impact clause. Ordinary annealed glass, including mirror, may be used provided it is fully backed by and completely adhered to a solid material in such a way that all pieces will remain bonded to the backing in the event of glass breaking.
Fully framed glazing shall be Grade A or B safety glazing material in accordance with Table 5. Partly framed glazing, with one unframed edge or two opposite unframed edges, shall be glazed with Grade A toughened safety glass or toughened laminated safety glass in accordance with Table 5.
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