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- CROSS-UK Newsletter 1 (1)
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CROSS regions
Roof overloading
A flat roof with parapets and internal downpipes collapsed after drainage outlets became blocked.
1 November 2005
CROSS Safety Report
Report ID: 9
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
Wall collapse from building in city centre - who is responsible?
A 4-4.5m high wall, approximately 18m long, and nearly 40t of bricks collapsed into a road crushing three empty vehicles.
1 January 2013
CROSS Safety Report
Report ID: 306
Region: CROSS-UK
School roof timber truss collapse
A gym/assembly hall roof to a school collapsed suddenly and without warning overnight when fortunately the building was unoccupied.
1 January 2012
CROSS Safety Report
Report ID: 249
Region: CROSS-UK
Partial roof collapse at shopping centre
There was a recent partial roof collapse at a shopping centre which was, says the reporter, built in the early 1970s in a form which may have been used extensively throughout the UK during this period and possibly beyond.
1 October 2013
CROSS Safety Report
Report ID: 395
Region: CROSS-UK
Failure of RAAC planks in schools
A reporter was asked to investigate a reinforced autoclaved aerated concrete (RAAC) roof which had collapsed in a school.
1 April 2020
CROSS Safety Report
Report ID: 908
Region: CROSS-UK, CROSS-AUS, CROSS-US
Rotting of cross-laminated timber (CLT) roof panels
This report highlights how a reporter discovered rotted CLT roof panels during the investigation of a roof that had been leaking for a few years.
1 October 2019
CROSS Safety Report
Report ID: 852
Region: CROSS-UK
Failure to maintain roof drainage during re-roof leads to ponding stability collapse
A roof collapsed while the building’s roofing membrane was being replaced.
1 March 2020
CROSS Safety Report
Report ID: 864
Region: CROSS-US
Reinforced autoclaved aerated concrete roof planks - sharing experiences
A reporter has surveyed a number of buildings with reinforced autoclaved aerated concrete (RAAC) roof planks and wants to share their experiences to help others.
1 April 2020
CROSS Safety Report
Report ID: 874
Region: CROSS-UK, CROSS-AUS, CROSS-US
Roof collapse at primary school
Blocked drainage outlets likely lead to the build-up of water on a school roof which collapsed.
1 July 2020
CROSS Safety Report
Report ID: 958
Region: CROSS-UK