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.
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This guidance gives details of the Fire Retardant treatments available for timber scaffold boards and battens.
This document aims to give advice on 38x225 BS 2482:2009 1.5 m support span boards | 38x225 BS 2482:2009 1.2m support span boards | 63x225 BS 2482:2009 2.5m support span boards | 38x225 BS 2482:1981 1.5 m support span boards.
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.
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)
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