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Specifications updated and developed by BCSA

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The BCSA has developed a ‘Model Specification for the Purchase of Structural Steel Sections, Plates and Bars’ while the BCSA Working Group for Fasteners has updated its ‘Model Specification for the Purchase of Structural Bolting Assemblies and Holding Down Bolts’.

Based on the technical specification given in the National Structural Steelwork Specification (5th Edition, CE Marking) the new specification for steel sections, plates and bars has been developed in consultation with the Process and Technical Committee, the Bridgework Conference, steel manufacturers and steel stockholders.

The new specification introduces a number of quality management requirements for manufacturers who supply sections directly and for suppliers who are not the original manufacturer.

Meanwhile, the revised specification for the purchase of structural bolting assemblies and holding down bolts for constructional steelwork should be used in conjunction with the National Structural Steelwork Specification for Buildings (5th edition, CE Marking) and the Steel Bridge Group: Model Project Specification for the Execution of Steelwork in Bridge Structures.

The updated specification requires non-preloadable bolts to be CE Marked to BS EN 15048-1 and pre-loadable bolts to be CE Marked to BS EN 14399-1. Proprietary fasteners should either be CE Marked in accordance with the relevant European Technical Approval or treated as special fasteners in accordance with BS EN 1090-2.

A modification has been made to Clause 8.1 ‘National Highways Sector Scheme 3’ in order to make it clear that a quality management system is required, as well as to encourage bolt manufacturers and distributors to adopt National Highways Sector Scheme 3 for all structures.

Copies of the specifications can be downloaded from

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