BS EN 13445-3:2014+A2:2016 specifies requirements for the design of unfired pressure vessels covered by EN 13445-1:2014 and constructed of steels in accordance with EN 13445-2:2014. EN 13445-5:2014, Annex C specifies requirements for the design of access and inspection openings, closing mechanisms and special locking elements. NOTE This Part applies to design of vessels before putting into service. It may be used for in service calculation or analysis subject to appropriate adjustment. Cross References: EN 286-2:1992 EN 764-1:2004 EN 764-2:2012 EN 764-3:2002 EN 837-1:1996 EN 837-3:1996 EN 1092-1:2007 EN 1591-1:2011 EN 1708-1:2010 EN 1990 EN 1992-1-1:2005 EN 1991-1-4:2005 EN 1991-1-6 EN 1998-1:2004 EN 10222-1:1998 EN 10222-1:1998/A1:2002 EN 13445-1:2014 EN 13445-2:2014 EN 13445-4:2014 EN 13445-5:2014 EN 13445-8:2014 EN ISO 4014:2011 ISO 4014:2011 EN ISO 4016:2011 ISO 4016:2011 EN ISO 15613:2004 ISO 261:1998 2014/68/EU Incorporates the following: Amendment, August 2015. Amends and replaces BS EN 13445-3:2014. Amendment, September 2016. Amends and replaces BS EN 13445-3:2014+A1:2015