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Accidental partial demolition of a beam
During a site visit, the permanent works design engineer noticed that hydro-demolition of the end of a floor supporting beam had taken place out of sequence. This introduced a pattern of bending moments and shear forces that were not considered in the original design.
6 April 2023
CROSS Safety Report
Report ID: 855
Region: CROSS-UK
Steelwork connection design
A reporter was asked to design connections for a multi-storey building for which the frame had been designed by another engineer. The result was a near collapse situation.
1 March 2006
CROSS Safety Report
Report ID: 25
Region: CROSS-UK
Retaining wall excavation collapse
A 6m deep excavation formed for constructing a retaining wall on a domestic project collapsed due to insufficient propping.
1 July 2019
CROSS Safety Report
Report ID: 800
Region: CROSS-UK
Dangerous alterations to steel beam supports
A local authority building control officer went to site and witnessed on an upper floor that the columns had been removed out of sequence, before the new frame had been constructed.
1 October 2015
CROSS Safety Report
Report ID: 479
Region: CROSS-UK
Checking reinforcement before concrete pours
A reporter shares their concerns about incorrect rebar positioning on site prior to concrete being poured.
1 July 2020
CROSS Safety Report
Report ID: 894
Region: CROSS-UK
Responsibilities for hybrid concrete construction
Concerns are raised after a substantial precast element, weighing over 10t, had been placed in position and used as part of the shuttering for an in-situ pour without it being designed to act as a shutter.
1 October 2016
CROSS Safety Report
Report ID: 574
Region: CROSS-UK
Serious safety failings of high level lattice girder walkways
A reporter discusses extremely serious safety failings with the construction of two new high level lattice girder walkways in the fly tower of a theatre.
1 January 2018
CROSS Safety Report
Report ID: 697
Region: CROSS-UK
Designed scaffold built incorrectly
A Temporary Works Coordinator (TWC) found that scaffolding was not constructed in accordance with the approved design drawings and a number of unauthorised modifications had been made.
1 January 2018
CROSS Safety Report
Report ID: 701
Region: CROSS-UK
Scaffold lifting beams incorrectly installed
During the inspection of scaffolding prior to loading, it was observed that there were lifting beams with end stops and ultimate stop cross bolts incorrectly installed.
1 January 2018
CROSS Safety Report
Report ID: 702
Region: CROSS-UK
Incorrect scaffold installation
A reporter describes how the Temporary Works Coordinator observed that tension connections on standards for a scaffold system were either omitted or had incorrect pins/bolts used.
1 January 2018
CROSS Safety Report
Report ID: 700
Region: CROSS-UK
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