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2- Hyatt Regency: les modifications déléguées des plans d'atelier, un test de responsabilité pour l'ingénierie structurelle
L'effondrement des passerelles du Hyatt Regency n'était pas simplement l'histoire d'un détail d'acier modifié. C'était un échec de responsabilité dans lequel un changement de connexion conséquent a traversé la conception, le dessin technique, l'approbation, la fabrication, la construction, l'inspection et l'occupation sans qu'un contrôle structurel complet soit rendu visible. Le mécanisme technique est désormais bien établi.
Article principalPublié 2026-07-17 - Hyatt Regency made delegated shop-drawing changes a structural-engineering accountability test
The Hyatt Regency walkway collapse was not merely a story about one altered steel detail. It was an accountability failure in which a consequential connection change moved through design, detailing, approval, fabrication, construction, inspection, and occupancy without a complete structural check being made visible. The technical mechanism is now well established. The harder question is institutional: who had practical control over the change, who was professionally responsible for verifying it, what signals should have stopped the work, and what evidence would show that later controls actually became stronger?
Article principalPublié 2026-07-17
