A Newsletter from CROSS-US containing reports on structural safety issues.
Note: this Newsletter was published by CROSS (Confidential Reporting on Structural Safety). Since March 2021, Confidential Reporting on Structural Safety is renamed Collaborative Reporting for Safer Structures (CROSS).
Rigid wall flexible diaphragm roof collapse in earthquake
Part of the roof of a one-story building in California collapsed during a 2019 earthquake.
Dismantling of tower cranes
The falling of two cranes during dismantling in 2019, one in the US and one in the UK, prompts reflections on crane safety on construction sites.
The use of stand-off brackets for C-shaped cornice hooks for scaffolding support
A correspondent reports that using stand-off brackets with C-shaped cornice hooks for supporting suspended scaffolding have been contributing factors in safety incidents in certain circumstances.
Failure to maintain roof drainage during re-roof leads to ponding stability collapse
A roof collapsed while the building’s roofing membrane was being replaced.
This is a legacy case study of the 1978 collapse of the roof of the Hartford Coliseum in Hartford, Connecticut.
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