Publication 451 Steel bridge group. Completion of appendix 18/1. For use with bridge steelwork specified to BS EN 1090-2:2018

Publication Year

2025

Document Status

Current

Abstract

This publication provides comprehensive guidance for completing Appendix 18/1 in steel bridge projects executed under BS EN 1090-2:2018, particularly for works commissioned by Highways England, Network Rail, and other UK authorities. Developed by the Steel Bridge Group, the document outlines best-practice approaches for specifying structural steelwork, addressing project-specific requirements not fully covered by standard specifications. It includes model clauses and commentary to support clarity and consistency in execution, with a focus on quality assurance, fabrication tolerances, and inspection protocols. A complementary section on Appendix 1/5 offers detailed recommendations for testing regimes, ensuring alignment with national standards and enhancing durability, safety, and constructability in modern steel bridge design.

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