An A4 full-colour, brand new, 224-page guide containing detailed practical guidance for most common types of scaffolding supported by structural research and calculation. Guidance is provided for an expanded range of standard structures which includes independent scaffolding, interior birdcages, chimney stack scaffolds, loading bays, ladder-access towers, free-standing towers, lift shaft towers and putlog scaffolding. A range of TG20 ‘compliance sheets’ is included for these structures. (Price shown includes £6 Postage & Packaging)
Under development. For more information visit www.nasc.org.uk/information/tg2021
Intended predominantly for engineers and designers, this A4 sized 206-page document provides technical data, commentary, and source material for use by competent and suitably qualified scaffold designers in circumstances which are outside the scope of standard solutions provided in the TG20:13 Operational Guide and TG20:13 e-Guide software. (Price shown includes £6 Postage & Packaging)
This guidance explains the differences between ‘supplementary’ and ‘check’ couplers and gives typical design applications where high coupler forces could be expected and where additional loadbearing capacity to connections may be required. It also contains guidance on coupler configurations and expected safe working loads (SWLs) where supplementary couplers are used. To ensure that SWL values are as accurate as possible, data provided within this document is based on practical testing rather than calculation.
This guidance gives details of the stress corrosion cracking (SCC) that can occur in certain materials when subjected to tensile stress and specific corrosive environments. Although rare in our industry, it can lead to unexpected sudden failure of certain metals. Whilst chemical environments and alloys are highly specific, this guidance explains the process by which SCC can occur and advises that specialist advice may be needed where SCC is possible or has occurred in the past.
This guidance gives details of various products available which will satisfactorily hold down scaffold boards to prevent movement. Users should satisfy themselves that any proprietary system meets their requirements.
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