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- CROSS-UK Newsletter 3 (1)
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CROSS regions
Concerns over corrosion of dissimilar metals in fixing cavity wall tie systems
A reporter is concerned about corrosion that may occur between dissimilar metals that can be used in cavity wall tie systems. The reporter has noted that stainless steel and carbon steel may be fixed together in wall cavities, which are damp environments, and that corrosion of dissimilar metals in contact may occur.
24 May 2023
CROSS Safety Report
Report ID: 1186
Region: CROSS-UK
Masonry panels rock in wind due to missing wall ties
Wall ties designed to connect masonry partitions to adjacent steelwork framing were not installed leaving the masonry walls unrestrained. Walls were seen to be rocking in high winds.
17 February 2023
CROSS Safety Report
Report ID: 931
Region: CROSS-UK
Collapse of external brick wall during demolition works
A section of an external brick wall of a building collapsed suddenly and unexpectedly part way through a demolition contract.
13 December 2022
CROSS Safety Report
Report ID: 875
Region: CROSS-UK
Wall tie design between masonry panels and timber frames
This report discusses the potential for failure of timber frame wall ties between masonry and timber in moderate to high wind conditions.
1 January 2020
CROSS Safety Report
Report ID: 832
Region: CROSS-UK
Inadequate brick ties in gable walls
A reporter was called to council houses at four different sites, whose upper triangle of cavity wall brickwork on the gable end had fallen out, due to not being tied into the roof.
1 July 2019
CROSS Safety Report
Report ID: 785
Region: CROSS-UK
Lack of masonry wall ties causes failure
A reporter states that they have come across the presence of serious defects in masonry construction in the past and have no doubt that many other engineers have had similar experiences.
1 April 2018
CROSS Safety Report
Report ID: 665
Region: CROSS-UK
Inquiry into the construction of Edinburgh Schools
This Alert deals with the aftermath of the collapse of part the outer skin of a cavity wall at Oxgangs Primary School Edinburgh on 29th January 2016 in high winds.
1 February 2017
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Collapse of infill wall panel
A blockwork infill wall panel approximately 4m wide and 9m high between two building collapsed in high winds.
1 July 2015
CROSS Safety Report
Report ID: 511
Region: CROSS-UK
Blockwork lateral restraint
A recent building control inspection revealed issues with basement blockwork walls restrained by wind posts.
1 January 2015
CROSS Safety Report
Report ID: 414
Region: CROSS-UK
Stability compromised in school hall
A reporter highlights construction issues that occurred during the construction of a new school hall.
1 January 2012
CROSS Safety Report
Report ID: 242
Region: CROSS-UK
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