Corporate engineering libraries often provide access to the NSSS PDF through construction information databases such as the IHS Markit (now S&P Global) Construction Information Service (CIS) or NBS .
Recent failures in high-strength friction grip (HSFG) bolted connections have led to a revision of installation methods. The 7th Edition introduces stricter controls for and torque auditing , moving away from the "part-turn method" where it has proven unreliable.
This section defines the acceptable standards for all raw materials entering the fabrication workshop. It specifies structural steel grades (such as S275 and S355), profiling tolerances, and mechanical property verifications. It also covers the strict tracking of mill test certificates to ensure raw material authenticity. 2. Information Required by the Steelwork Contractor
: Covers general handling, welding (BS EN ISO 3834-3), and bolting requirements. Corporate engineering libraries often provide access to the
| Format | Price (BCSA Members) | Price (Non-Members) | | :--- | :--- | :--- | | Book | £25.00 | £25.00 (listed price) | | | £25.00 | £25.00 (listed price) |
The NSSS is a practical specification document developed to bridge the gap between design standards (like the Eurocodes) and on-site construction. Its primary purpose is to define the acceptable standards for materials, workmanship, and quality management. By doing so, it ensures that the final, erected structure matches the designer's original assumptions about strength, dimensional accuracy, and defect-free construction.
For certified design documentation and access to official amendment sheets, professionals can consult resources provided by the British Constructional Steelwork Association and the Steel Construction Institute. This section defines the acceptable standards for all
Defines what the engineer must provide (drawings, design calculations, site constraints).
Strengthened requirements for quality assurance, ensuring better oversight during fabrication.
Who publishes it and why it matters
This shift was not merely cosmetic; it required a fundamental re-evaluation of how steelwork is specified and inspected. By adopting the Eurocode philosophy, the 7th Edition ensures that the execution of the steelwork matches the partial safety factors and design assumptions inherent in BS EN 1993 (Eurocode 3). This synchronization is critical: a structure designed to Eurocode standards but executed to older British Standards could result in safety discrepancies or inefficient use of materials.
Covers structural steels, welding consumables, mechanical fasteners, and decking.