Author: E. Clark (Arup)
1 March 2012
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E. Clark (Arup)
All articles published in the March 2012 issue. (NB Technical Guidance Notes Level 1, No. 5 and Level 1, No. 6 contained within this issue were updated in October 2016. For the updated articles, see the individual article entries for this issue.)
This Technical Guidance Note concerns the derivation of snow load onto structures. It is based on Eurocode 1: Actions on Structures Part 1-3; General Actions – Snow Loads. With this Eurocode being focused on an action that is sensitive to environmental effects, the UK annex to it plays a significant role, as it makes reference to projected snow falls that are unique to the British Isles. There are a large number of variations and conditions the designer must be aware of when determining snow loads onto structures. As such, the reader is referred to the code text more frequently than in other Technical Guidance Notes. (This article was updated in October 2016 to reflect errata issued since its original publication.)
Simon Pole provides a personal view of the current Party Wall issues surrounding retrofit basements, and offers some suggestions for how both the Institution and industry might respond to the challenges.