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Cross-laminated timber (CLT) in multi-storey buildings
The CROSS-UK Fire Safety Expert Panel share their views about the interpretation and application of the Building Act 1984 with regards to the use of cross-laminated timber (CLT) in multi-storey buildings.
3 August 2021
CROSS Feature Article
Region: CROSS-UK
Painted faying surfaces leads to connections with insufficient load capacity
Painted, rather than the required unpainted connection faying surfaces, were identified by the Resident Engineer of a reporter's firm during the erection of a primary frame for a large project. The painted surfaces resulted in the connections not having sufficient load carrying capacity and necessitated remedial works.
20 November 2023
CROSS Safety Report
Report ID: 896
Region: CROSS-UK
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.
29 March 2021
CROSS Safety Report
Report ID: 966
Region: CROSS-UK
Snow loading on buildings
In 2010 there was heavy snow in many parts of the UK, but particularly in Scotland, where a number of buildings, mainly agricultural, collapsed under the weight of snow (up to 1.2m in some cases).
1 February 2010
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Installation of timber joist hangers
Joist hanger failures have been found to occur as a result of several types of building defects as listed in the Alert.
1 July 2006
CROSS Safety Alert
Region: CROSS-UK
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.
21 November 2022
CROSS Safety Report
Report ID: 1149
Region: CROSS-UK
Apparently simple home improvement work leads to dangerous situation
Apparently simple home improvement work, consisting of reroofing and a loft conversion, resulted in a 'near miss' with potentially dangerous conditions for neighbours.
21 August 2023
CROSS Safety Report
Report ID: 1173
Region: CROSS-UK
Modern methods of construction and robustness
This report relates to the design of a low rise modular building and the requirement, or otherwise, for positive fixings between the superstructure and the substructure.
24 May 2023
CROSS Safety Report
Report ID: 1179
Region: CROSS-UK
Preventing the collapse of free-standing masonry walls
There have been collapses of free-standing masonry walls over many years and there have been fatalities and numerous injuries; particularly to children.
1 September 2014
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Incompetent design of simple steel beams
This report concerns designs for simple steel beams submitted to building control bodies under Part A of the Building Regulations. The reporter, a checking engineer for a building control body, was not able to accept the effective length and restraints assumed in a number of submitted designs. Most originated from individuals who used proprietary structural design computer packages without, i...
24 May 2023
CROSS Safety Report
Report ID: 1183
Region: CROSS-UK
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