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Safety of structures in the climate emergency
In the current climate emergency and the race to achieve zero emissions, we must ensure our structures remain safe as we develop and implement any climate-motivated innovation or change of approach.
Structural safety of reinforced autoclaved aerated concrete (RAAC) planks
A Theme Page to raise awareness of and encourage knowledge sharing on the structural safety of RAAC planks.
IStructE RAAC Study Group & members with RAAC experience
The IStructE have formed a RAAC Study Group and created a list of professionally registered structural engineers who have experience of providing solutions for managing RAAC planks.
CARES Alert: Unregulated reinforcement continuity systems
CARES is investigating unregulated reinforcement continuity systems entering the construction supply chain.
The risk of collapse of multi-storey CLT buildings during a fire
A reporter presents concerns about the fire safety of multi-storey buildings comprised of cross-laminated timber (CLT) structures.
Dangerous design of a retaining wall
Serious errors were made in the input to a computer program used for designing a 1.8m high retaining wall.
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Our secure and confidential safety reporting system gives professionals the opportunity to share their experiences to help others.
Temporary movement joint in slabs not installed correctly
Dowels in temporary movement joints for a slab were not installed correctly, impacting the structural behaviour.
Major safety defects in hospital
A number of construction defects were found in a hospital following the inspection of the external wall system.
Contractor notches steel transfer beam
A transfer beam with 50mm thick flanges supporting a four-storey building was notched, without approval from the design engineer, to accommodate suspended ceiling fixings.
Steelwork splices do not match design calculations
Remedial works had to be carried out after it was found that steelwork splices on site did not match calculations which were retrospectively provided by a contractor.