Methods for assessing thermal performance of boilers for steam, hot water and high temperature heat transfer fluids. -- Comprehensive procedure
This European Standard specifies requirements for prefabricated lintels for maximum spans of 4,5 m and made from steel, autoclaved aerated concrete, manufactured stone, concrete, fired clay units, calcium silicate units, natural stone units, or a combination of these materials.
Concrete and steel beams conforming to ENΒ 1090β1 , ENΒ 12602 and ENΒ 13225 , as appropriate, are not covered by this standard.
Prefabricated lintels can be either complete lintels or the prefabricated part of a composite lintel.
This European Standard is not applicable to:
Linear components spanning clear openings greater than 4,5 m in masonry walls and linear components intended for use independently in a structural role (e.g. beams) are not covered by this standard.
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