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- CROSS-UK Newsletter 4 (3)
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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
Galvanic (bimetallic) corrosion not considered in cladding design
A cladding designer and installer did not consider galvanic (bimetallic) corrosion which led to remedial works being required.
30 June 2022
CROSS Safety Report
Report ID: 811
Region: CROSS-UK
Possible galvanising concern
A reporter has a question about using galvanised steel poles for the members of dome structures.
1 November 2006
CROSS Safety Report
Report ID: 48
Region: CROSS-UK
Liquid metal assisted cracking
Large cracks appeared down the sides of gusset welds after a truss was erected on site.
1 November 2006
CROSS Safety Report
Report ID: 49
Region: CROSS-UK
Liquid metal assisted cracking (LMAC)
A reporter raises concerns about the risk of liquid metal assisted cracking during the hot dip galvanising process.
1 November 2006
CROSS Safety Report
Report ID: 45
Region: CROSS-UK
Follow up to Liquid Metal Assisted Cracking (LMAC)
A recent case involving cracking around holes in large structural components was detected immediately after galvanising as a result of the team being aware of the need for post galvanising inspection.
1 July 2008
CROSS Safety Report
Report ID: 105
Region: CROSS-UK
Freezing splits galvanised SHS columns
Concerns were raised after several square hollow section members split vertically on a partially complete construction site.
1 April 2012
CROSS Safety Report
Report ID: 253
Region: CROSS-UK
Documentation for imported large diameter steel pins
A reporter raises concerns over the possibility that foreign steel with poor, confusing or misleading documentation, is being used on safety critical structures in the UK.
1 January 2013
CROSS Safety Report
Report ID: 299
Region: CROSS-UK
Nuts falling from tension glazing system
A reporter raises concerns about the fixings used in a tension glazing system.
1 July 2013
CROSS Safety Report
Report ID: 340
Region: CROSS-UK
Further issues with freezing and galvanised hollow sections
A reporter was involved in correcting a cold formed galvanised square hollow section (SHS) four storey balcony structure where longitudinal splits formed in at least two of the four columns.
1 January 2014
CROSS Safety Report
Report ID: 314
Region: CROSS-UK
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