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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
Public art structures
Engineers have noticed a trend and raise concerns over more works of ‘Public Art’ being placed near to highways and in cities.
1 April 2009
CROSS Safety Report
Report ID: 136
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
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