Safety information search results
Filter your results
Building or structure type
Building height
Products
Project or lifecycle stage
Operation or occupation
Codes, standards & regulations
Fire incident response
Construction period
Method of construction
Structural form
Elements & systems
Temporary works
Plant & equipment
Weather & natural hazards
Utilities
Safety reporting
Organisations
Project delivery methods
Business practice
Risk management
Public incidents
Theme pages
Locations
CROSS regions
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.
6 April 2023
CROSS Safety Report
Report ID: 855
Region: CROSS-UK
Liquid metal assisted cracking (LMAC)
A reporter raises concerns about the risk of liquid metal assisted cracking during the hot dip galvanising process.
1 November 2006
CROSS Safety Report
Report ID: 45
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
Follow up to Liquid Metal Assisted Cracking (LMAC)
A recent case involving cracking around holes in large structural components was detected immediately after galvanising as a result of the team being aware of the need for post galvanising inspection.
1 July 2008
CROSS Safety Report
Report ID: 105
Region: CROSS-UK
Car park staircase collapse at construction joint
The top flight of a staircase to a multi-storey concrete car park collapsed approximately 10 years after construction.
1 July 2008
CROSS Safety Report
Report ID: 106
Region: CROSS-UK
Bridge bearing design and installation - further concerns raised
A reporter says that the issue of successful co-ordination between designers, contractors and specialist bearing suppliers is one they have experienced.
1 January 2019
CROSS Safety Report
Report ID: 796
Region: CROSS-UK
Quality of design and construction of a major bridge structure
This report concerns the design and installation of the bridge bearing zones on a new prestressed precast concrete viaduct.
1 October 2018
CROSS Safety Report
Report ID: 781
Region: CROSS-UK
Incorrectly installed tension control bolts could have led to serious consequences
A reporter finds incorrectly installed system HRC preload bolt assemblies, better known as tension control bolts, during a site inspection of a new highway bridge over a railway. The incorrectly fitted bolts could have had major structural implications, and led to other safety risks, if the installation error had not been spotted.
24 May 2023
CROSS Safety Report
Report ID: 1196
Region: CROSS-UK
Alteration of calculations on constructed loft conversion
A reporter says they were pressurised to adjust structural design calculations to pass a building control check.
1 July 2016
CROSS Safety Report
Report ID: 580
Region: CROSS-UK
Submit a report
Your report will make a difference. It will help to create positive change and improve safety.
Our secure and confidential safety reporting system gives professionals the opportunity to share their experiences to help others.