Safety information search results
Filter your results
Building or structure type
Products
Project or lifecycle stage
Design
Operation or occupation
Codes, standards & regulations
Fire incident response
Method of construction
Structural form
Temporary works
Plant & equipment
Weather & natural hazards
Utilities
Safety reporting
Organisations
Project delivery methods
Business practice
Risk management
Public incidents
Content type
- CROSS-UK Newsletter 1 (1)
- CROSS-UK Newsletter 5 (1)
- CROSS-UK Newsletter 6 (1)
- CROSS-UK Newsletter 25 (1)
- CROSS-UK Newsletter 35 (1)
- CROSS-UK Newsletter 39 (1)
- CROSS-UK Newsletter 42 (3)
- CROSS-UK Newsletter 43 (1)
- CROSS-UK Newsletter 52 (1)
- CROSS-UK Newsletter 59 (1)
- CROSS-UK [sub-heading only] (11)
- CROSS-US Newsletter 1 (1)
- CROSS-US [sub-heading only] (1)
- CROSS Newsletter (8)
- CROSS Safety Alert (1)
- CROSS Safety Report (17)
- News [sub-heading only] (1)
- Safety information from CROSS [sub-heading only] (1)
- Safety information [sub-heading only] (1)
CROSS regions
RAAC planks in a 1970s shopping centre
An existing large shopping centre built circa 1975 had a number of external storerooms and loading bays with roofs constructed using reinforced autoclaved aerated concrete (RAAC) planks. The planks had deflected to the extent that they needed replacing.
20 February 2023
CROSS Safety Report
Report ID: 1155
Region: CROSS-UK
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
Temporary movement joint in slabs not installed correctly
Dowels in temporary movement joints for a slab were not installed correctly, impacting the structural behaviour.
29 March 2021
CROSS Safety Report
Report ID: 998
Region: CROSS-UK
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
Coliseum failure
This is a legacy case study of the 1978 collapse of the roof of the Hartford Coliseum in Hartford, Connecticut.
1 March 2020
CROSS Safety Report
Report ID: 892
Region: CROSS-US
Add-on timber trussed roof to flat roof causes failure
A reporter discusses how, while visiting a property for an unrelated matter, they spotted something odd about the roof; the gable had bulged at one end and movement had clearly occurred.
1 October 2018
CROSS Safety Report
Report ID: 742
Region: CROSS-UK
Photovoltaic installations - structural aspects
CROSS has concerns about some structural aspects of roof mounted PV and solar thermal panels.
1 November 2016
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Lack of lateral stability in steel frame
Concerns were raised after the steel frame of a building was found to have a lack of horizontal and vertical bracing.
1 July 2016
CROSS Safety Report
Report ID: 540
Region: CROSS-UK
Installation of PV panels
A reporter's firm believes an oversaturated market of engineers carrying out assessments has drove the prices for assessments on roof structures accommodating PV panels down.
1 April 2016
CROSS Safety Report
Report ID: 533
Region: CROSS-UK
PV panels blown off roof
Concerns are raised about the adequacy of fixings for PV panels after panels were blown off of a flat roof.
1 October 2015
CROSS Safety Report
Report ID: 519
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.