Cross References:EN 1990EN 1991-1-3EN 1991-1-6EN 1991-2EN 1993-3-1ISO 2394ISO 3898ISO 8930EN 12811-1ISO 12494Incorporates the following:Corrigendum, December 2009. Corrigendum, August 2010. Amendment, January 2011. Amends and replaces BS EN 1991-1-4:2005