AS 4773.2:2015 pdf free
AS 4773.2:2015 pdf free.Masonry in small buildings Part 2: Construction
Wall ties shall be used to connect the outer leaf of a masonry wall to its supporting inner leaf or frame. Wall ties shall be of Type A complying with AS/NZS 2699.1, and shall be selected and spaced in accordance with Clauses 9.7 and 10.6.
NOTE: Type A ties are not suitable for high earthquake applications. Type B ties are commonly used in New Zealand and are generally not available in Australia.
Lintels shall be steel, reinforced concrete, prestressed concrete, prestressed clay or other proprietary systems. Steel lintels shall comply with the durability requirements of AS/NZS 2699.3.Lintel selection shall be in accordance with Section 8.
Steel reinforcement shall comply with AS/NZS 4671 and be detailed in accordance with the relevant requirements of AS 3600.
Flashings and damp-proof courses shall comply with Table 5.2.When flashings are expected to hold a particular shape, a rigid flashing material shall be used.
To avoid galvanic corrosion, metal flashings shall be compatible with other metals with which they are in contact or spill water onto, or from which they receive water. Lead flashings shall not be used on any roof that is part of a potable water catchment roof.
The combination of lead with zinc aluminium alloy shall not be used.
Membrane damp- proof course shall consist of –
(a) a material that complies with AS/NZS 2904; or
(b) sheet metal termite shields in accordance with AS 3660.1 (with any penetrations sealed) continuous through the wall or pier.
NOTE: Flashings that extend through the masonry may also serve the purpose of DPCs.The subfloor space between a suspended floor of a building and the ground shall be in accordance with the documents and shall –
(a) be cleared of all building debris and vegetation;
(b) be cross-ventilated by means of evenly spaced openings (see Clause 6.2); and
(c) contain no dead air spaces.
NOTE: Typical subfloor ventilation layout and details are shown in Figure 6.1.AS 4773.2 pdf free download.
