£100.00
The TG20 Design Guide 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 Operational Guide and TG20 e-Guide software.
NASC members can purchase 10 or more copies of the TG20:21 Design Guide book at the discounted rate of £25 per unit. To do so, please email sales@nasc.org.uk
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
When in use, scaffold boards are often subjected to harsh conditions and mistreatment and may deteriorate to such an extent that they become unsafe. To ensure that they remain in a safe and serviceable condition, they should be subjected to regular inspections/checks and where necessary repaired/refurbished to ensure that they remain fit for purpose. This document provides guidance on the inspection, care and maintenance of scaffold boards to maximise their operational service life. This guidance is available for pdf download only.
This document provides guidance for covering 50mm gaps in scaffold platforms through which standards protrude, as well as for covering larger gaps in decking which, due to width restrictions or obstructions, cannot be fully boarded in the conventional way. This guidance is PDF only.
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 is available for pdf download only.
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