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- CROSS-UK Newsletter 8 (1)
- CROSS-UK Newsletter 13 (1)
- CROSS-UK Newsletter 57 (1)
- CROSS-UK Newsletter 58 (1)
- CROSS-UK [sub-heading only] (3)
- CROSS-US Newsletter 1 (1)
- CROSS-US Newsletter 3 (1)
- CROSS-US [sub-heading only] (1)
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- Third party content (3)
- Third party content (3)
CROSS regions
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
IStructE publishes investigation and assessment of RAAC panels
The IStructE has published guidance that provides identification and remediation solutions for Reinforced Autoclaved Aerated Concrete (RAAC) planks.
15 March 2022
Third party content
Publisher: The Institution of Structural Engineers
Long term risks for ground anchors
A reporter is concerned about the inspection and maintenance of ground anchors that are used for strategic flood defences.
1 October 2007
CROSS Safety Report
Report ID: 87
Region: CROSS-UK
Failure of pile load test arrangement
A pile was being load-tested, for confirmation of design pile loads for the foundations of a road bridge, when the web of the deep steel beam used in the testing arrangement buckled.
1 January 2015
CROSS Safety Report
Report ID: 484
Region: CROSS-UK
Structural safety of reinforced autoclaved aerated concrete (RAAC) planks
A Theme Page to raise awareness of and encourage knowledge sharing on the structural safety of RAAC planks.
CROSS Theme Page
Region: CROSS-UK, CROSS-AUS, CROSS-US
Reinforced autoclaved aerated concrete in roofing in schools
This document is for building owners to help them to identify the presence of reinforced autoclaved aerated concrete (RAAC) and to check whether any further investigation or action is needed.
10 February 2021
Third party content
Publisher: Department for Education
Fire involving fluorescent light fitting
A fire involving a fluorescent light fitting occurred in a corridor in a sheltered housing complex.
21 August 2023
CROSS Safety Report
Report ID: 1157
Region: CROSS-UK
Precast concrete canopies in housing
A reporter warns that precast concrete cantilever canopies which are slender and monolithic with lintels over entrance doorways can be vulnerable to sudden collapse.
1 January 2009
CROSS Safety Report
Report ID: 126
Region: CROSS-UK
Rigid wall flexible diaphragm roof collapse in earthquake
Part of the roof of a one-story building in California collapsed during a 2019 earthquake.
1 March 2020
CROSS Safety Report
Report ID: 877
Region: CROSS-US
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
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