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Overloading a portal frame with suspended services
A reporter designing a single storey portal frame used a standard roof service loading of 0.25kN/m2. After the project was completed, a tenant for the unit took over fit out and added a considerable amount of sprinkler pipework into the roof. This created local overloading.
21 August 2023
CROSS Safety Report
Report ID: 1195
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
FC Twente stadium roof collapse
This paper concerns the collapse at the FC Twente Stadium in Holland in 2011 when part of a cantilever steel frame roof failed during erection.
1 July 2014
CROSS Topic Paper
Region: CROSS-UK
Very slender props
A reporter noticed prop that did not have ties installed while carrying out a site inspection.
1 July 2007
CROSS Safety Report
Report ID: 34
Region: CROSS-UK
Lightweight steel roof partial collapse
A hall constructed from thin cold rolled steel sections riveted together started collapsing when tiles were loaded on one side only.
1 April 2014
CROSS Safety Report
Report ID: 383
Region: CROSS-UK
Rotting of cross-laminated timber (CLT) roof panels
This report highlights how a reporter discovered rotted CLT roof panels during the investigation of a roof that had been leaking for a few years.
1 October 2019
CROSS Safety Report
Report ID: 852
Region: CROSS-UK
Lack of lateral stability in steel frame
Concerns were raised after the steel frame of a building was found to have a lack of horizontal and vertical bracing.
1 July 2016
CROSS Safety Report
Report ID: 540
Region: CROSS-UK
Late detection of flange/web splitting on steel beam
A reporter noticed a crack at the interface between the flange and web for a chord member in a steel truss while it was being loaded on to a delivery truck.
1 October 2019
CROSS Safety Report
Report ID: 680
Region: CROSS-UK
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