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Preparation of holes in concrete for chemical anchors
Reinforcement intended to be resin anchored into concrete was not anchored, because the resin did not cure, due to contamination within the holes.
6 June 2022
CROSS Safety Report
Report ID: 1096
Region: CROSS-UK
Specifying resin by colour causes confusion
A mistake occurred on-site when resin for fixings was selected by colour of packaging rather than by colour of resin. The actual resin used did not reach sufficient strength and the installed fixing failed under a pull test.
10 March 2022
CROSS Safety Report
Report ID: 1068
Region: CROSS-UK
Wrong length blind bolts lead to unsafe bridge structure
Bridge strengthening being carried out using blind bolts left a structure in an unsafe condition with traffic loading on it.
20 February 2023
CROSS Safety Report
Report ID: 1185
Region: CROSS-UK
Cantilever bridge parapet falsework failure
A reporter has experienced the failure of cantilever parapet falsework twice, for different reasons, using two different products during bridge construction.
20 February 2023
CROSS Safety Report
Report ID: 1159
Region: CROSS-UK
Inadequate bridge bearing pad installation
During the final construction phase of a reinforced concrete bridge deck, the contractor installed the elastomeric bridge bearing pads using a non-approved and potentially dangerous methodology.
28 March 2023
CROSS Safety Report
Report ID: 828
Region: CROSS-UK
Painted faying surfaces leads to connections with insufficient load capacity
Painted, rather than the required unpainted connection faying surfaces, were identified by the Resident Engineer of a reporter's firm during the erection of a primary frame for a large project. The painted surfaces resulted in the connections not having sufficient load carrying capacity and necessitated remedial works.
20 November 2023
CROSS Safety Report
Report ID: 896
Region: CROSS-UK
Documentation for imported large diameter steel pins
A reporter raises concerns over the possibility that foreign steel with poor, confusing or misleading documentation, is being used on safety critical structures in the UK.
1 January 2013
CROSS Safety Report
Report ID: 299
Region: CROSS-UK
Fall of bridge deck support due to bolt over-tightening
A 7t steel frame designed to temporarily support part of a bridge deck during bearing refurbishments work fell from height as it was about to be lowered some 21m to the ground.
1 January 2011
CROSS Safety Report
Report ID: 216
Region: CROSS-UK
Incorrectly installed tension control bolts could have led to serious consequences
A reporter finds incorrectly installed system HRC preload bolt assemblies, better known as tension control bolts, during a site inspection of a new highway bridge over a railway. The incorrectly fitted bolts could have had major structural implications, and led to other safety risks, if the installation error had not been spotted.
24 May 2023
CROSS Safety Report
Report ID: 1196
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
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