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New Approved Documents Part A (Structure) and Part C – (Site preparation and resistance to contaminants and moisture) take effect from the 6th October

Published on 27 September 2013 at 15:45

Changes apply to all work subject to an Application on or after 6th October 2013.  Online publication of Approved Documents will be available by the 6th October 2013.

Key changes to Part A 

- Wind speed increases (London now 21.5m/s)

- Disproportionate collapse update

- Updating of structural standards to Eurocodes

- Using withdrawn British Standards on a ‘case by case’ basis

- Foundation design amended for strip foundations in shrinkable clay soils

- Amendments on recovering of roofs

Key changes to Part C

- Radon Gas mapping updated targeting right areas

- Revised guidance on being more accurate when determining radon gas protection measures

- New reference on structural design guidance for geotechnics in the site investigation section

- Update references and guidance on flooding, condensation and mould growth

If you have any queries relating to building regulation changes please email AIS at  info@approvedinspector.co.uk