AS NZS 1576.2:2016 pdf free.Scaffolding Part 2: Couplers and accessories.
1.5 MARKING
Each coupler and accessory, excluding baseplates, shall be marked with the manufacturer’s or supplier’s name or trademark, and a code traceable to a manufacturing batch.
The marking shall be impressed or embossed on the flap or body of the coupler or accessory and shall be visually legible after the protective coating has been applied. The height of the characters shall be at least 4 mm and the impressed or embossed dimension shall be at least 0.2 mm.
1.6 CONFORMITY WITH EUROPEAN STANDARD
Couplers that have been tested and have demonstrated conformity with the performance requirements of EN 74-1:2005 for Class B right-angle couplers and Class A swivel couplers, where these requirements are equivalent to the performance requirements of this Standard, are deemed to comply with this Standard and do not require further testing. Such couplers may not comply with dimensional requirements of this Standard, in which case they shall be assessed against the requirements herein before they are deemed acceptable.
1.7 INFORMATION TO BE SUPPLIED
The following documented information shall be supplied with couplers and accessories, where applicable:
(a) Tube dimensions and material for which the coupler has been designed.
(b) Tightening procedure for conformity with the performance requirements of this Standard.
(c) Maximum tightening torque or force, as appropriate, to avoid overstressing of the material of the coupler or accessory.
(d) The maximum acceptable distortion of any part of the coupler before it is deemed not to satisfy the requirements of Section 4.
(e) Servicing procedures for couplers and accessories that will ensure continuance of the performance requirements of Section 4.
(0 Working load limit (WLL) of adjustable legs and adjustable baseplates.
2.1 PROPERTIES
Where the properties of any material are in doubt, the material shall be subjected to such test or tests necessary to determine the properties concerned.
2.2 STEEL4
Steel couplers and accessories shall be manufactured from steel complying with
AS/NZS 1163, AS 1444, AS 1450, ASINZS 1594, AS/NZS 3678 or ASINZS 3679, as
appropriate.
Welded components shall comply with the requirements of AS/NZS 1554.1.
2.3 ALUMINIUM
2.3.1 Cast components
Cast aluminium alloy components shall comply with AS 1874.
The 700 series alloy shall not be used.
NOTE: Pressure die-casting is not recommended as a method of manufacture for primary loadbearing members. Where pressure die-casting is used, the component design should include sufficient redundancy to compensate for potential reduction in capacity due to the possibility of high internal porosity within the component.AS NZS 1576.2 pdf download.