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- CROSS-UK Newsletter 2 (1)
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- (-) CROSS-UK [sub-heading only] (16)
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CROSS regions
Steel portal frame erection
A reporter describes how a steel portal frame collapsed during its erection.
1 March 2006
CROSS Safety Report
Report ID: 20
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
Fall of bridge deck support due to bolt over-tightening
A 7t steel frame designed to temporarily support part of a bridge deck during bearing refurbishments work fell from height as it was about to be lowered some 21m to the ground.
1 January 2011
CROSS Safety Report
Report ID: 216
Region: CROSS-UK
Steel connector failures and forged certificates
According to a reporter, some suppliers are receiving components that are accompanied by certificates that are potentially false or forged.
1 July 2012
CROSS Safety Report
Report ID: 254
Region: CROSS-UK
Defective imported scaffold ties
On a contract where multi lift access scaffolds had been installed for a period of up to 18 months in an exposed coastal location, it was found by a reporter on one of the regular inspections that some of the scaffold ties had failed.
1 April 2011
CROSS Safety Report
Report ID: 230
Region: CROSS-UK
Failure of blind bolts
There was a partial collapse of a steel frame building due to the failure of some blind bolts during the construction period. Loads at the time were well below anticipated failure levels.
1 April 2007
CROSS Safety Report
Report ID: 71
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
Steel stud failures during bridge construction
This report concerns the failure of a steel studs during construction works on a new bridge associated with major road improvements.
1 October 2012
CROSS Safety Report
Report ID: 332
Region: CROSS-UK
Collapse of lifting tackle connected by threaded bar
A reporter describes how a set of 3t chain blocks and a 1m length of 20mm diameter threaded bar failed and fell from a height of 5m.
1 October 2018
CROSS Safety Report
Report ID: 692
Region: CROSS-UK
Bolt failures due to hydrogen embrittlement
A reporter recalls how, in the 1970s while working on a bridge refurbishment project, several new zinc electro-plated bolts failed suddenly, and often shortly after installation.
1 April 2015
CROSS Safety Report
Report ID: 490
Region: CROSS-UK
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