Structural Safety Information and Reports

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Glued on stainless steel panels fall

A ceiling in a retail setting was designed to be faced with reflective finish panels. The contractor proposed stainless steel bonded to MDF with folded edges and concealed mechanical restraint. The designer overruled the contractor and selected an adhesive-only solution which was implemented. Some months later, several panels failed, with some stainless steel facings falling to the floor.

Wrong length blind bolts lead to unsafe bridge structure

Bridge strengthening being carried out using blind bolts left a structure in an unsafe condition with traffic loading on it.

Cantilever bridge parapet falsework failure

A reporter has experienced the failure of cantilever parapet falsework twice, for different reasons, using two different products during bridge construction.

Cladding failure in strong winds

A reporter writes with concerns about a repeat failure of building cladding, in severe but not exceptional winds, that saw panels fall to the public street below.

Masonry panels rock in wind due to missing wall ties

Wall ties designed to connect masonry partitions to adjacent steelwork framing were not installed leaving the masonry walls unrestrained. Walls were seen to be rocking in high winds.

Checking reinforcement before concrete pours

A reporter has learned whilst making inspections to keep quiet and pass on any comments to the site manager who can then relay the information to the subcontractors.

Temporary instability of columns

Concerns were raised by a reporter on the temporary stability of concrete columns during construction.

Concern over concrete test methods used on site

A reporter is concerned about the test method a contractor uses to justify the strength of concrete placed on site.

Concerns over execution class categorisation of steel pedestrian bridge

A reporter is concerned in respect of the steelwork execution class, and quality management arrangements, applied to the construction of a public access pedestrian bridge.

Critical welding of structural steelwork missed

The designer of a steelwork roof frame found a critical fabrication error when inspecting steelwork on site before it was erected.

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Glued on stainless steel panels fall

Wrong length blind bolts lead to unsafe bridge structure

Cantilever bridge parapet falsework failure

Cladding failure in strong winds

Masonry panels rock in wind due to missing wall ties

Checking reinforcement before concrete pours

Temporary instability of columns

Concern over concrete test methods used on site

Concerns over execution class categorisation of steel pedestrian bridge

Critical welding of structural steelwork missed

Submit a report

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