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Incompetent design of simple steel beams

This report concerns designs for simple steel beams submitted to building control bodies under Part A of the Building Regulations. The reporter, a checking engineer for a building control body, was not able to accept the effective length and restraints assumed in a number of submitted designs. Most originated from individuals who used proprietary structural design computer packages without, i...

24 May 2023

CROSS Safety Report

Report ID: 1183

Region: CROSS-UK

Inadequate design and procurement of large steel roof structure

This report demonstrates the importance of following the correct process for project procurement, including preparing a detailed design and project specification, and certificating compliance with the relevant building codes. It also covers the potential consequences when shortcuts are taken.

30 March 2023

CROSS Safety Report

Report ID: 1123

Region: CROSS-AUS

Further example of incorrect finite element modelling

Concerns in respect of the sufficiency of finite element modelling of masonry walls as part of a reinforced concrete framed building.

20 February 2023

CROSS Safety Report

Report ID: 1145

Region: CROSS-UK

Critical welding of structural steelwork missed

The designer of a steelwork roof frame found a critical fabrication error when inspecting steelwork on site before it was erected.

21 November 2022

CROSS Safety Report

Report ID: 1126

Region: CROSS-UK

Connection fixity considerations for steel frame modelling

This report concerns the modelling of joints when using computer programs. In some cases, engineers are applying rotational releases to joints in models but subsequently designing the connections as rigid. This leaves a fundamental mismatch between analysis and design which may lead to unsafe structural connections argues a reporter.

17 November 2022

CROSS Safety Report

Report ID: 1139

Region: CROSS-UK

Incorrect modelling of a cantilever

A steel framed building was incorrectly modelled and designed resulting in excessive deflection of part of the frame even before the frame was loaded with the self-weight of the building.

17 November 2022

CROSS Safety Report

Report ID: 1144

Region: CROSS-UK

Has the role of building control changed?

A reporter raises a query about the role of Building Control.

5 September 2022

CROSS Safety Report

Report ID: 810

Region: CROSS-UK

Misleading instructions for a structural component

A reporter confirms the difficulty encountered whilst endeavouring to ensure cast-in insulated connectors supporting a parapet wall and balustrade were properly fixed.

26 August 2022

CROSS Safety Report

Report ID: 1127

Region: CROSS-UK

Unsafe design of retrofit cantilever balconies

A structural assessment of a number of new balconies being added to an existing building revealed critical concerns in respect of fixings back into the existing brickwork.

26 August 2022

CROSS Safety Report

Report ID: 1128

Region: CROSS-UK

Concern that the structural design of some recent buildings may not have been checked

A reporter has become increasingly concerned that some buildings may be structurally non-compliant for a number of reasons.

26 August 2022

CROSS Safety Report

Report ID: 1120

Region: CROSS-UK

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