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Failure of cantilevered stone staircase

During the renovation and change-of-use conversion of a former minor stately home built around 1830, under pedestrian loading, a ‘cantilevered’ stone staircase partially collapsed without warning.

21 February 2023

CROSS Safety Report

Report ID: 1147

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

Frustration about getting a response to a public safety concern

A member of the public reported a partially collapsed retaining structure to bodies they believed could be the responsible authority. Despite continued efforts to get attention to the issue, there was no apparent action to address the concern. This raised the reporter’s concern for public safety.

20 February 2023

CROSS Safety Report

Report ID: 1154

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

Corrosion concerns on a pedestrian bridge

A reporter is concerned about a pedestrian bridge that may have reduced load capacity due to corrosion at the root of cantilever supports.

17 February 2023

CROSS Safety Report

Report ID: 1161

Region: CROSS-UK

Mesh flooring safety issues

A reporter has recently witnessed a number of safety issues with open grid mesh flooring.

10 February 2023

CROSS Safety Report

Report ID: 913

Region: CROSS-UK

Domestic canopy degradation

A front entrance canopy to a domestic dwelling had to be temporarily propped following movement of the canopy.

10 February 2023

CROSS Safety Report

Report ID: 853

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

Water ingress to cross-laminated timber structural frame

In an eight year old building that included cross-laminated timber construction, it was found that water penetration had caused parts of the structure to rot.

6 June 2022

CROSS Safety Report

Report ID: 1124

Region: CROSS-UK

Vegetation damage to railway arches

Lack of clarity as to maintenance responsibilities leads to degradation of railway arches.

6 June 2022

CROSS Safety Report

Report ID: 1064

Region: CROSS-UK

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