❌ “Only high-rise buildings need robustness checks.” ✅ Buildings as low as 4 storeys in consequence class CC2a still require robust detailing.
CIRIA C577: The Essential Guide to Structural Robustness for Builders and Engineers
❌ “Robustness means designing for a bomb blast.” ✅ No—it means preventing disproportionate collapse, which is usually achieved with simple tying. ciria c577
From this tragedy came modern robustness requirements. And in the UK, one document stands above the rest for practical guidance: .
Published in 2005 (with updates and related guidance since), CIRIA C577 – Robustness of structures provides a comprehensive methodology for designing and assessing structural robustness. It bridges the gap between the high-level principles of Eurocodes (BS EN 1991-1-7) and real-world construction practice. ❌ “Only high-rise buildings need robustness checks
Ronan Point was a wake-up call. CIRIA C577 is the answer. Whether you’re designing a car park, a hospital, or a mixed-use tower, this guide gives you the practical steps to prevent the unthinkable.
If you design buildings, manage risk, or construct multi-storey structures, understanding CIRIA C577 isn’t optional—it’s critical. And in the UK, one document stands above
❌ “My software does all this automatically.” ✅ No software can interpret tie forces and notional removal logic—engineering judgement is required.