£5.15
In order to be able to visually identify EN74 certified couplers, this guidance document identifies the specification and minimum markings to be found on all EN74-1:2005 and EN74-1:2022 scaffold couplers, together with brief details regarding the differences between the two standards.
This product is available in PDF format only.
2 pages
Scaffold board nailplates are specially stamped toothed strips of galvanised steel that can be applied to new or used boards to prevent or to repair existing end splits. Experience gained over many years by the scaffold industry indicates that the service life of a board can be substantially extended if nailplates are fitted. This revised and updated version contains additional information and guidance on the specification and fitting of nailplates.
Aluminium tubes, prefabricated beams and other components are widely used throughout the scaffolding industry. Whilst aluminium is not as stiff as steel and will deflect more when subjected to equivalent loads, it is much lighter and provides great advantages with regard to manual handling or the reduction weight. As aluminium couplers are not readily available, aluminium tube and beams are invariably connected with steel couplers and joint pins. Unfortunately, when two dissimilar metals such as aluminium and steel are in contact, a phenomenon known as ‘galvanic corrosion’ can occur where the corrosion of one of the metals, in this case aluminium, can be greatly accelerated. In severe cases this could seriously affect the integrity of the scaffold structure.
TG20 provides the definitive guidance for scaffolding constructed with tube and fittings throughout the UK. TG20:21 builds on TG20:13, and makes the eGuide software, Design Guide and Operational Guide available via the new NASC ePortal, on a subscription basis. The eGuide produces pdf compliance sheets, which now include more information and an illustration. The guides are fully searchable online. The ePortal is available here from computers, tablets and smart phones via web browsers. Each subscription gives access from multiple machines, but only one machine at a time. Purchase and use of a subscription implies acceptance of the subscription agreement, found here, by all users. The price shown includes VAT at 20%. If you are already using TG20:21 and wish to continue to use the same login details please do not purchase a new subscription, please purchase a subscription renewal here.
This guidance gives details of various methods available for satisfactorily securing scaffold boards to prevent movement. Users should satisfy themselves when/which boards require tying down and that any proprietary equipment or fixing method selected meets their requirements. This product is available in PDF format only. 4 pages
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