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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
Deflection of bridge girder under load
A report was received from a bridge examiner to say outer main girder of a short span railway bridge was moving up to 30mm under load.
1 July 2016
CROSS Safety Report
Report ID: 557
Region: CROSS-UK
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