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- CROSS-UK Newsletter 13 (2)
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CROSS regions
Tower crane base designs
A reporter’s firm has been involved in the design and checking of numerous tower crane bases and have come across many examples where the supplier of the tower crane has supplied incorrect loadings. These incorrect loadings could have led to crane failures had the errors not been spotted.
7 June 2022
CROSS Safety Report
Report ID: 1093
Region: CROSS-UK
Potentially unsafe buckling resistance checks using software
A number of anomalies were detected in the outputs from a proprietary structural steelwork design program.
6 June 2022
CROSS Safety Report
Report ID: 1075
Region: CROSS-UK
Crane outrigger loads underestimated due to misuse of software
A reporter is concerned about how the misuse of software can lead to incorrect outrigger loads being used in the design of foundations for crane outriggers.
1 April 2020
CROSS Safety Report
Report ID: 915
Region: CROSS-UK
Collapsed scaffolding
A reporter highlights how, following modest levels of snow fall in the winter, scaffolding erected in order to support a temporary roof collapsed inwards.
1 October 2019
CROSS Safety Report
Report ID: 730
Region: CROSS-UK
Concerns with propping design to large excavations
Concerns are raised about the design of propping to large excavations and particularly about the design of the connections for a raking prop to a horizontal waler.
1 January 2019
CROSS Safety Report
Report ID: 298
Region: CROSS-UK
Scaffold support overturns
A 5m high support scaffold screened with fabric overturned when airflow was introduced to a building.
1 January 2017
CROSS Safety Report
Report ID: 575
Region: CROSS-UK
Failure of supposedly grade 10.9 bolts
There was a high potential for collapse when supposedly grade 10.9 high strength holding bolts failed on a crane base.
1 October 2016
CROSS Safety Report
Report ID: 585
Region: CROSS-UK
Failure of anchor bolts holding suspended scaffold
During the removal of a suspended scaffold, it was found that a number of the screw bolt anchors had failed.
1 July 2015
CROSS Safety Report
Report ID: 430
Region: CROSS-UK
Example of small temporary stage structure
This is an example of a small stage that is potentially unstable.
1 January 2013
CROSS Safety Report
Report ID: 302
Region: CROSS-UK
Licensing of temporary structures
Temporary structures, such as stages, marquees, lighting towers, video screens and the like are erected at a huge number of events in the UK each year. A reporter who inspects many such structures raises concerns that the systems in place for ensuring their stability are not working.
1 January 2012
CROSS Safety Report
Report ID: 276
Region: CROSS-UK
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