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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
The use of cast-in ferrules as structural connections
This report highlights several problems that can arise with structural connections between elements when cast-in ferrules (also known as threaded inserts) are used for the anchorage of reinforcing bars.
30 April 2021
CROSS Safety Report
Report ID: 993
Region: CROSS-AUS
Failure of large aluminium composite panel
This report highlights the importance of correctly designed fixings and anchoring systems for cladding panels to buildings to minimize the risk of failure.
30 April 2021
CROSS Safety Report
Report ID: 962
Region: CROSS-AUS
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
Poorly applied external insulation on buildings
This report concerns external insulation on buildings being inadequately applied and fixed, with poor control of the workmanship standards, leading to potential safety concerns and damage to the property.
21 August 2023
CROSS Safety Report
Report ID: 1203
Region: CROSS-UK
Failure to grout steel frame bases
A reporter describes a problem that arose during the construction stage of a project when a steel frame supporting pipe and cable racks was loaded before the frame baseplates were grouted.
24 May 2023
CROSS Safety Report
Report ID: 1190
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
Incorrectly fixed sheets blow off parapet
This report concerns aluminium coping sheets that blew off the parapet of a block of flats under construction. The reporter says a fierce wind blew off several sheets which fell to the ground about 9m below. A building and a car were damaged but thankfully no one was hurt, although the potential for personal injury or death was significant.
25 May 2023
CROSS Safety Report
Report ID: 1180
Region: CROSS-UK
Lack of experience on steel column erection
A reporter highlights how works progressed on site without a detailed method statement being provided by the contractor even though it had been requested.
1 April 2013
CROSS Safety Report
Report ID: 324
Region: CROSS-UK
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