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Construction period of RAAC planks
A reporter says that there are structural issues with reinforced autoclaved aerated concrete (RAAC) panels installed in a building as late as 1998. This date is significantly later than previous reports suggest as the last significant use of RAAC elements in the UK.
20 February 2023
CROSS Safety Report
Report ID: 954
Region: CROSS-UK
Junction of partitioning walls and ceilings
A potential issue has been raised with CROSS, regarding the order of works in partitioning assemblies and how these can affect the performance of compartmentation.
17 February 2023
CROSS Safety Report
Report ID: 1156
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
Failure of beams in listed building
Conversion and refurbishment work on a listed building led to structural failures of beams and subsequent difficulties in resolving safety matters between the various agencies involved.
30 July 2021
CROSS Safety Report
Report ID: 1016
Region: CROSS-UK
Lack of masonry wall ties causes failure
A reporter states that they have come across the presence of serious defects in masonry construction in the past and have no doubt that many other engineers have had similar experiences.
1 April 2018
CROSS Safety Report
Report ID: 665
Region: CROSS-UK
Deadly retaining wall
A blockwork retaining wall, about 2.5 metres high suddenly collapsed causing a fatality.
1 July 2009
CROSS Safety Report
Report ID: 134
Region: CROSS-UK
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