Precast concrete products. Beam-and-block floor systems - Clay blocks Ingestion-build-260237 This part of ISO 12234

This part of ISO 12234 specifies the TIFF/EP data format described in ISO 12234-1

BS 7160 guides you on the preferred length and markings

but as such

With obedience and compliance to BS 7494-2

BS EN 13218 applies to machines which are manufactured after the date of issue of this standard

Precast concrete products. Beam-and-block floor systems - Clay blocks Ingestion-build-260237 This part of ISO 122341 Scope This European Standard deals with the requirements and the basic performance criteria for blocks made in clay, used in conjunction with precast concrete beams in compliance with EN 150371, with or without cast in situ concrete for the construction of beam and block floor and roof systems. Examples of typology of floor and roof systems are given in Annex B of EN 150371: 2008.