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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
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
Design wind loading for tower cranes
A report from a major contractor concerns wind loading on tower cranes.
1 January 2009
CROSS Safety Report
Report ID: 132
Region: CROSS-UK
Wind loads during construction
A reporter raises concerns about wind load reduction factors in BS6399-2.
1 January 2009
CROSS Safety Report
Report ID: 133
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
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
Failure of precast concrete 'L' shaped retaining wall
A recent incident occurred on a site, where a temporary precast retaining wall failed leading to a pile of clay approximately 3m high spilling through the wall.
1 July 2014
CROSS Safety Report
Report ID: 433
Region: CROSS-UK
Two tier stacked site cabin blown over
A two-tier stacked site cabin was blown over in the wind with someone inside – thankfully they were not injured.
1 October 2014
CROSS Safety Report
Report ID: 450
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
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
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