BS EN 1991-1-1 and UK National Annex kit. Eurocode 1. Actions on structures. General actions. Densities, self-weight, imposed loads for buildings Posted in BS Click here to purchase Special offer. Includes BS EN 1991-1-1 and the UK National Annex to BS EN 1991-1-1. Product Details Published: 02/01/2006 ISBN(s): 0580476847 Product Code(s): 30142210