NBN EN 13225:2013

This European Standard identifies the requirements, the basic performance criteria and evaluation of conformity for precast linear elements (such as columns, beams and frame elements) made of reinforced or prestressed normal or lightweight concrete, used for the construction of the structures of buildings and other civil engineering works, except bridges.
This document covers terminology, performance criteria, tolerances, relevant physical properties, test methods, and aspects of transport and erection.
This document does not cover load bearing capacity determined by testing.
This standard does not cover lintels with length up to 4,5 m used in masonry walls.