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Collapse of folded plate timber roof at a school
This report is about a critical safety issue concerning folded timber roofs, in various settings, including over school halls.
18 October 2023
CROSS Safety Report
Report ID: 1160
Region: CROSS-UK
RAAC planks in a 1970s shopping centre
An existing large shopping centre built circa 1975 had a number of external storerooms and loading bays with roofs constructed using reinforced autoclaved aerated concrete (RAAC) planks. The planks had deflected to the extent that they needed replacing.
20 February 2023
CROSS Safety Report
Report ID: 1155
Region: CROSS-UK
Reinforced aerated autoclaved concrete planks found on pitched roof of 1990s hospital building
A building constructed in the early 1990s has been found to contain reinforced aerated autoclaved concrete (RAAC) planks. This date is important since it is much later than the previously thought last significant use of RAAC in buildings in the UK and potentially affects the scope of buildings that could require screening for RAAC problems.
26 August 2022
CROSS Safety Report
Report ID: 1125
Region: CROSS-UK
Fixings related to 395 partial roof collapse at shopping centre
A reporter shares their own experience and concerns after reading report 395 which discussed the partial roof collapse at a shopping centre.
1 January 2015
CROSS Safety Report
Report ID: 422
Region: CROSS-UK
Snow sliding off industrial building roofs
A lean-to roof at lower level than the main roof of a large industrial building collapsed and ground level equipment was damaged due to a sliding snow.
1 October 2014
CROSS Safety Report
Report ID: 438
Region: CROSS-UK
Timber roof truss bracing problem
Lateral movement of the roof tiles on a two-storey mid-terrace house built approximately 35 years ago with a trussed rafter roof led to the discovery of broken bracing.
1 July 2014
CROSS Safety Report
Report ID: 354
Region: CROSS-UK
Collapse of proprietary timber roof
A proprietary timber roof system spanning 8m over a school hall collapsed. The roof was constructed in 1959, and formed from a ply-web beam system, with hardboard ceiling and ply deck and asphalt covering.
1 January 2012
CROSS Safety Report
Report ID: 273
Region: CROSS-UK
Snow loads on agricultural buildings in Scotland
The reporter raises concerns that the snow loading situation with regards to agricultural buildings (in Scotland) and perhaps all buildings may require review.
1 July 2011
CROSS Safety Report
Report ID: 248
Region: CROSS-UK
Snow loading in Scotland - collapsed warehouses
A reporter provided a list of 40 whisky warehouse buildings that had collapsed in the recent heavy snow conditions in northern Scotland (January/February 2010).
1 July 2011
CROSS Safety Report
Report ID: 193
Region: CROSS-UK
Snow loading in Scotland - ice load
A reporter’s practice who specialises in remediation have had new instructions on five roof collapses after a period of heavy snowfalls (January 2010).
1 July 2011
CROSS Safety Report
Report ID: 184
Region: CROSS-UK
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