Information for SuperBeam users . "Following the widespread concern over the proposal to declare British Standard 449 . (available as a free download from .
BSI has published BS 499-1:2009, Welding terms and symbols. Glossary for welding, brazing and thermal cutting.
67 Fire Performance Standard 68 Fire Performance Standard . IEC 60332-1/BS 4066-1 .
BS 449-2-1969 specification for the use of structural steel in building - metric units. . Effective span of beams 25.
BS 5395 : : 1984 Table 2 Sizes of stairs A. private stair. intended to be used by a limited number of people Who familiar With the stair.
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