Safety information search results
Filter your results
Products
Project or lifecycle stage
Construction
Operation or occupation
Codes, standards & regulations
Fire incident response
Method of construction
Structural form
Temporary works
Plant & equipment
Weather & natural hazards
Utilities
Safety reporting
Project delivery methods
Business practice
Risk management
Public incidents
Locations
Content type
- CROSS-UK Newsletter 6 (1)
- CROSS-UK Newsletter 25 (1)
- CROSS-UK Newsletter 50 (1)
- CROSS-UK Newsletter 57 (1)
- CROSS-UK Newsletter 58 (1)
- CROSS-UK Newsletter 59 (1)
- CROSS-UK Newsletter 62 (1)
- CROSS-UK [sub-heading only] (4)
- CROSS Newsletter (2)
- CROSS Safety Report (15)
- CROSS Theme Page (1)
- Safety information from CROSS [sub-heading only] (1)
- Safety information [sub-heading only] (1)
- Third party content (3)
- Third party content (3)
CROSS regions
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
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
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
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
Precast concrete planks - durability and potential safety concerns
A reporter raises concerns over the recent collapses of precast concrete floor units that are installed throughout the UK.
1 April 2007
CROSS Safety Report
Report ID: 77
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
Structural failure of older timber connections
A reporter shares three examples of the structural failure or inadequacies of connections in existing timber structures that they have encountered.
13 December 2021
CROSS Safety Report
Report ID: 1040
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
Composite deck boards in common access balconies
A reporter informs CROSS that decking boards formed of a composite material contributed to external fire development in a block of flats and rendered the means of escape and firefighting access unusable.
13 August 2021
CROSS Safety Report
Report ID: 1048
Region: CROSS-UK
Submit a report
Your report will make a difference. It will help to create positive change and improve safety.
Our secure and confidential safety reporting system gives professionals the opportunity to share their experiences to help others.