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- CROSS-UK Newsletter 4 (1)
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CROSS regions
Stability of timber frame construction
A reporter who has many years design experience in timber frame construction raises concerns about a common defect they have experienced when checking calculations.
1 February 2007
CROSS Safety Report
Report ID: 51
Region: CROSS-UK
Design of head track in cold formed steel framing
The reporter noticed that the in-house structural engineer for the steel frame company had not taken account of all the loads in the design of the head track.
1 November 2006
CROSS Safety Report
Report ID: 39
Region: CROSS-UK
Concerns on stability require prompt action
A reporter was concerned about overall building stability during an extension and conversion project.
1 January 2010
CROSS Safety Report
Report ID: 171
Region: CROSS-UK
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
Preventing the collapse of free-standing masonry walls
There have been collapses of free-standing masonry walls over many years and there have been fatalities and numerous injuries; particularly to children.
1 September 2014
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
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
Site hoardings blow down
Investigations into timber hoarding failures by the reporter’s firm indicated that the majority of site hoardings are erected with no design whatsoever.
1 October 2007
CROSS Safety Report
Report ID: 83
Region: CROSS-UK
Advice wanted by amateur builder
This notice, seen by a reporter, was posted on a DIY website, and whilst it may be apocryphal, it illustrates the type of queries received by local authorities and building regulations officers.
1 January 2009
CROSS Safety Report
Report ID: 125
Region: CROSS-UK
Undermined bridge wing wall collapses
A masonry wing wall of a bridge collapsed and fell as a single section coming to rest against an adjacent pile after being undermined on site.
1 April 2016
CROSS Safety Report
Report ID: 577
Region: CROSS-UK
Wind loads acting on timber frame walls for designs to BS 5268-6
A reporter says that the masonry shielding factors in BS 5268-6 (K100 and K200) were substantially reduced when PD 6693-1 for designs to EC5 was produced.
1 April 2019
CROSS Safety Report
Report ID: 624
Region: CROSS-UK
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