Safety information search results
Filter your results
Building or structure type
Materials
Project or lifecycle stage
Design
Fire incident response
Construction period
Method of construction
Structural form
Plant & equipment
Weather & natural hazards
Utilities
Safety reporting
Project delivery methods
Business practice
Locations
Content type
- CROSS-AUS Newsletter 2 (1)
- CROSS-AUS Newsletter 3 (3)
- CROSS-AUS Newsletter 4 (2)
- CROSS-AUS Newsletter 5 (2)
- CROSS-AUS [sub-heading only] (6)
- CROSS-UK Newsletter 2 (1)
- CROSS-UK Newsletter 6 (1)
- CROSS-UK Newsletter 9 (1)
- CROSS-UK Newsletter 11 (2)
- CROSS-UK Newsletter 13 (1)
- CROSS-UK Newsletter 18 (3)
- CROSS-UK Newsletter 20 (1)
- CROSS-UK Newsletter 24 (1)
- CROSS-UK Newsletter 30 (1)
- CROSS-UK Newsletter 35 (3)
- CROSS-UK Newsletter 38 (1)
- CROSS-UK Newsletter 41 (1)
- CROSS-UK Newsletter 42 (1)
- CROSS-UK Newsletter 44 (1)
- CROSS-UK Newsletter 46 (2)
- CROSS-UK Newsletter 47 (1)
- CROSS-UK Newsletter 52 (1)
- CROSS-UK Newsletter 54 (2)
- CROSS-UK Newsletter 57 (1)
- CROSS-UK [sub-heading only] (25)
- CROSS-US Newsletter 3 (2)
- CROSS Newsletter (14)
- CROSS Safety Alert (1)
- CROSS Safety Report (49)
- News [sub-heading only] (1)
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
Defects found in precast (prefabricated) concrete façades
The reporter found several issues when inspecting or reviewing buildings with precast concrete façades, particularly on older buildings, due to a lack of attention to durability and poor workmanship.
30 March 2023
CROSS Safety Report
Report ID: 995
Region: CROSS-AUS
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
The use of cast-in ferrules as structural connections
This report highlights several problems that can arise with structural connections between elements when cast-in ferrules (also known as threaded inserts) are used for the anchorage of reinforcing bars.
30 April 2021
CROSS Safety Report
Report ID: 993
Region: CROSS-AUS
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
Lessons learned from the 2018 Florida bridge collapse during construction
This was a bridge of an unusual design and was being constructed in an unusual manner. The main 53m pre-stressed pre-cast concrete span truss was in position when cracks appeared at a node and over a period of almost three weeks they visibly worsened until collapse occurred.
1 December 2020
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Collapse of a hollow core unit
This refers to the collapse of one modest span precast hollow core concrete unit and the excessive deflection of others on a building which was under construction.
1 October 2012
CROSS Safety Report
Report ID: 258
Region: CROSS-UK
Gain in strength of mortar slower than concrete
A masonry wall settled and cracked after four courses of Engineering grade B bricks were substituted (not by the designer) for the original in-situ concrete padstones on cost and handling grounds.
1 April 2010
CROSS Safety Report
Report ID: 177
Region: CROSS-UK
Asymmetric bridge design and construction – a near miss
During the construction stage of an arch footbridge a design error was identified that had been indirectly revealed by an associated error in construction.
1 October 2011
CROSS Safety Report
Report ID: 262
Region: CROSS-UK
Composition of new precast concrete blocks
A UK firm has raised concerns over a new large precast concrete block range which seems to use a wide range of secondary recycled aggregates in its mix, including some potentially hazardous waste.
1 July 2014
CROSS Safety Report
Report ID: 380
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.