A Newsletter from CROSS-UK 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).
Industry not reacting to failures
As legislation is reviewed, this report questions the appetite for change in the wake of the Grenfell Tower fire.
Defects in tapered thread reinforcement bars for coupling
A reporter highlights how B500 reinforcing bars were observed to have visually different tapered threads cut into the bars after delivered to site.
The risk of swapping insulation behind cladding
A reporter is concerned that insulation behind cladding is being swapped without a full appreciation of the implications.
Failure of waling beam connected to raking prop
A reporter discusses how they witnessed the failure of a temporary support for an excavation on site due to similar design issues discussed in CROSS report 298 (Props to large excavations).
Contractor uses incorrect fixing bolts for masonry support angles
A correspondent noticed that proprietary masonry support angles specified to support the outer leaf of masonry had been incorrectly connected to the steel beam using carriage bolts.
Retaining wall excavation collapse
A 6m deep excavation formed for constructing a retaining wall on a domestic project collapsed due to insufficient propping.
Large stone panel falls from building façade
A reporter witnessed a large stone panel detach from a second floor beam and fall to the ground, narrowly missing a group of school children.
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