Note - The updated version incorporates updating for migration from British Standards to Eurocodes in respect of structural design.The contents relating to Eurocodes are printed in green colour in the updated version. For the period from 1 June 2013 to 31 December 2014,the adoption of updated version is optional for public works civil engineering projects.With effective from 1 January 2015,the adoption of the updated version will be fully implemented.