Structural Safety Information and Reports

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Overall stability of building proposed to be provided by metal framing and plasterboard

Metal framing and plasterboard was used to provide lateral stability to a building. The form of construction was later deemed to be unsuitable and extensive remedial works had to be carried out.

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.

Accidental partial demolition of a beam

During a site visit, the permanent works design engineer noticed that hydro-demolition of the end of a floor supporting beam had taken place out of sequence. This introduced a pattern of bending moments and shear forces that were not considered in the original design.

Overloading of existing steelwork frame

Inadequate structural investigations and design of alteration works leads to damage to multi-storey flats.

Punching shear design spreadsheets

This is a technical note from a reporter about the methods their firm uses for punching shear design because there was concern about punching shear design spreadsheets possibly leading to potentially unsafe situations. .

Structural corrosion in a swimming pool building causes concern

A survey showed severe corrosion of previously repaired steelwork columns adjacent to a public swimming pool.

Specification issue with steel hollow sections

A reporter raises concerns after their structural engineer had failed to specify the steel grade used in the design for hollow sections on two projects.

Failure of large aluminium composite panel

This report highlights the importance of correctly designed fixings and anchoring systems for cladding panels to buildings to minimize the risk of failure.

Galvanic (bimetallic) corrosion not considered in cladding design

A cladding designer and installer did not consider galvanic (bimetallic) corrosion which led to remedial works being required.

Risks associated with steel gates 

A reporter has noticed recurring defects with large gates in residential apartment complexes, including at least three where there were serious incidents, one involving a fatality.

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