Safety information search results
Filter your results
Building or structure type
Building height
Products
Project or lifecycle stage
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 1 (2)
- CROSS-UK Newsletter 3 (1)
- CROSS-UK Newsletter 6 (1)
- CROSS-UK Newsletter 12 (1)
- CROSS-UK Newsletter 14 (1)
- CROSS-UK Newsletter 18 (1)
- CROSS-UK Newsletter 23 (7)
- CROSS-UK Newsletter 25 (1)
- CROSS-UK Newsletter 29 (1)
- CROSS-UK Newsletter 36 (1)
- CROSS-UK Newsletter 39 (1)
- CROSS-UK Newsletter 43 (1)
- CROSS-UK Newsletter 54 (1)
- CROSS-UK Newsletter 56 (1)
- CROSS-UK Newsletter 58 (1)
- CROSS-UK Newsletter 59 (1)
- CROSS-UK [sub-heading only] (21)
- CROSS-US Newsletter 1 (1)
- CROSS-US Newsletter 3 (2)
- CROSS-US [sub-heading only] (1)
- CROSS Newsletter (7)
- CROSS Safety Alert (1)
- CROSS Safety Report (37)
- CROSS Theme Page (1)
- News [sub-heading only] (5)
- 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
Structural misunderstanding leads to historic church tower nearly being demolished
A historic church stands at the center of a charming town. Highlighted among many striking features is the iconic 170-foot (52m) bell tower, which looms over the town. For decades, the tower has become the centerpiece for cultural events in addition to being the original community center of worship.
2 May 2023
CROSS Safety Report
Report ID: 1013
Region: CROSS-US
Collapse of unusual hybrid concrete and steel strand truss on school roof
This report concerns the collapse of a school hall roof which resulted from the failure of one of a number of unusual hybrid concrete and steel strand trusses. The trusses consist of a precast reinforced concrete top chord and verticals with a bottom chord of tensioned steel strands. The failure of the truss resulted in the collapse of the supported flat roof local to the failed truss, and da...
25 May 2023
CROSS Safety Report
Report ID: 1227
Region: CROSS-UK
Failure of reinforced autoclaved aerated concrete (RAAC) planks
In late 2018, the Local Government Association (LGA) and the Department for Education (DfE) contacted all school building owners to draw attention to a recent failure involving a flat roof There was little warning of the sudden collapse.
1 May 2019
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Potential overload on buildings
A reporter raises concerns after a crowd in a city centre greeting a successful sporting team gained access to the roofs of buildings and were densely packed around perimeters overlooking the streets.
1 November 2005
CROSS Safety Report
Report ID: 2
Region: CROSS-UK
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
IStructE RAAC Study Group & members with RAAC experience
The IStructE have formed a RAAC Study Group and created a list of professionally registered structural engineers who have experience of providing solutions for managing RAAC planks.
15 June 2021
Third party content
Publisher: The Institution of Structural Engineers
Roof collapse of warehouse structure under rainwater ponding
This report highlights the structural risk caused by rainwater ponding on relatively flat roofs.
10 May 2021
CROSS Safety Report
Report ID: 969
Region: CROSS-US
Partial collapse of a shopping mall roof under drifting snow
Partial collapse of a shopping mall roof under drifting snow caused by lack of building code provisions for drifting snow and poor fabrication of open web steel joists.
2 May 2023
CROSS Safety Report
Report ID: 1009
Region: CROSS-US
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.