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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
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
Poorly applied external insulation on buildings
This report concerns external insulation on buildings being inadequately applied and fixed, with poor control of the workmanship standards, leading to potential safety concerns and damage to the property.
21 August 2023
CROSS Safety Report
Report ID: 1203
Region: CROSS-UK
RAAC assessment undertaken by persons not suitably experienced
A reinforced aerated autoclaved concrete (RAAC) assessment was carried out by persons who did not appear to have appropriate experience, potentially putting building users at risk of harm.
21 August 2023
CROSS Safety Report
Report ID: 1224
Region: CROSS-UK
Painted faying surfaces leads to connections with insufficient load capacity
Painted, rather than the required unpainted connection faying surfaces, were identified by the Resident Engineer of a reporter's firm during the erection of a primary frame for a large project. The painted surfaces resulted in the connections not having sufficient load carrying capacity and necessitated remedial works.
20 November 2023
CROSS Safety Report
Report ID: 896
Region: CROSS-UK
Building regulations submissions
This report has been written on behalf of a group of senior local government structural engineers who refer to previous CROSS newsletters and in particular the reports relating to the poor quality of building regulation submissions and lack of checking resources.
1 July 2007
CROSS Safety Report
Report ID: 65
Region: CROSS-UK
Long term risks for ground anchors
A reporter is concerned about the inspection and maintenance of ground anchors that are used for strategic flood defences.
1 October 2007
CROSS Safety Report
Report ID: 87
Region: CROSS-UK
Risk management bibliography
This is a bibliography of publications relating to risk management in design and construction produced in 2009.
1 September 2009
CROSS Topic Paper
Region: CROSS-UK
Scaffolds and traffic protection
A reporter is concerned about the lack of consideration shown both in British Standards and industry guidance regarding the risk of impact of vehicles with scaffolds and thereby putting at risk those working on a scaffold.
1 November 2006
CROSS Safety Report
Report ID: 53
Region: CROSS-UK
Disproportionate collapse assessment of large panel system buildings
A reporter has become concerned by the approach being taken by some engineers to assess the risk of disproportionate collapse due to fire in large panel system (LPS) buildings.
1 January 2020
CROSS Safety Report
Report ID: 885
Region: CROSS-UK
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