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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

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

Collapse of unusual hybrid concrete and steel strand truss on school roof

This report concerns the collapse of a school hall roof which resulted from the failure of one of a number of unusual hybrid concrete and steel strand trusses. The trusses consist of a precast reinforced concrete top chord and verticals with a bottom chord of tensioned steel strands. The failure of the truss resulted in the collapse of the supported flat roof local to the failed truss, and da...

25 May 2023

CROSS Safety Report

Report ID: 1227

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

Concerns over corrosion of dissimilar metals in fixing cavity wall tie systems

A reporter is concerned about corrosion that may occur between dissimilar metals that can be used in cavity wall tie systems. The reporter has noted that stainless steel and carbon steel may be fixed together in wall cavities, which are damp environments, and that corrosion of dissimilar metals in contact may occur.

24 May 2023

CROSS Safety Report

Report ID: 1186

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

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

Dangerous defects in curtain wall glazing

This report concerns a 5m high vertical glazing system in which the fixings for a panel failed after only four years because of a lack of co-ordination between designers and contractors.

6 April 2023

CROSS Safety Report

Report ID: 762

Region: CROSS-UK

Architectural panel acting as barrier

A reporter came across a scenario on site where an architectural decorative panel was acting as a barrier during the construction stage without being designed to act as one.

6 April 2023

CROSS Safety Report

Report ID: 927

Region: CROSS-UK

Incorrect fabrication of balustrade connection

A reporter describes how threaded bars were incorrectly used for a balustrade fixing instead of bolts which led to failure of the connection.

6 April 2023

CROSS Safety Report

Report ID: 851

Region: CROSS-UK

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