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CROSS regions
Structural steel - reinforced concrete interface
A reporter describes how the substructure of a building was constructed out of position to the extent that the steel frame could not be erected to tolerance and could not be connected to the holding down bolts.
1 March 2006
CROSS Safety Report
Report ID: 19
Region: CROSS-UK
Removal of internal structure
The roof trusses, 6m above the ground floor, had been left supported on props made by nailing floor joists together; one at each party wall position.
1 July 2006
CROSS Safety Report
Report ID: 46
Region: CROSS-UK
Responsibility for change
The inadequate substitution of lintels led to them buckling, and the surrounding masonry cracking.
1 February 2007
CROSS Safety Report
Report ID: 50
Region: CROSS-UK
Steelwork connection design
A reporter was asked to design connections for a multi-storey building for which the frame had been designed by another engineer. The result was a near collapse situation.
1 March 2006
CROSS Safety Report
Report ID: 25
Region: CROSS-UK
Steel portal frame erection
A reporter describes how a steel portal frame collapsed during its erection.
1 March 2006
CROSS Safety Report
Report ID: 20
Region: CROSS-UK
Girder collapse
The failure was of a two-storey high trussed girder with a 36m span, designed to carry a composite steel and concrete floor at the lower level and a trussed roof at higher level.
1 March 2006
CROSS Safety Report
Report ID: 30
Region: CROSS-UK
Precast concrete demolition
During the demolition of a tower block, a column collapsed unexpectedly.
1 March 2006
CROSS Safety Report
Report ID: 27
Region: CROSS-UK
Grandstands and dynamic crowd loads
A cantilever football stand vibrated when fans jumped in a synchronised manner and modifications had to be carried out to raise the natural frequency of the structure.
1 November 2005
CROSS Safety Report
Report ID: 1
Region: CROSS-UK
Inadequate structural design on industrial steel structures
A reporter's firm believes that steel structures associated with plant are being erected without a design being carried out by a structural engineer and are therefore potentially dangerous.
1 April 2019
CROSS Safety Report
Report ID: 804
Region: CROSS-UK
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.
1 July 2019
CROSS Safety Report
Report ID: 794
Region: CROSS-UK
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