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Inadequate structural design on industrial steel structures
A reporter's firm believes that steel structures associated with plant are being erected without a design being carried out by a structural engineer and are therefore potentially dangerous.
1 April 2019
CROSS Safety Report
Report ID: 804
Region: CROSS-UK
High winds cause masonry parapet failure
A reporter highlights how exceptionally strong winds caused a fourth-floor level masonry parapet wall with a 1.7m high timber fencing on top of it to collapse.
1 April 2019
CROSS Safety Report
Report ID: 803
Region: CROSS-UK
Incorrect load testing of steel lifting frames
On two occasions, a reporter has experienced issues with load tests on steel lifting frames and wonders how many other load tests may have been carried out incorrectly without being noticed.
1 April 2019
CROSS Safety Report
Report ID: 786
Region: CROSS-UK
Concrete grade confusion in software
A reporter noticed that the design calculation report generated by a proprietary software package called for ‘concrete characteristic strength = 45N/mm2’, but did not confirm whether this refers to the cylinder or cube strength.
1 April 2019
CROSS Safety Report
Report ID: 788
Region: CROSS-UK
Design responsibility for temporary stability of steel frame building
A reporter raises concerns about the division of responsibility for the temporary stability of a four-storey steel frame structure with precast concrete planks and a structural topping.
1 April 2019
CROSS Safety Report
Report ID: 789
Region: CROSS-UK
Inadequate product testing for shear studs
A reporter raises concerns about a manufacturer providing testing information for a variant product based on a university student Master’s dissertation.
1 April 2019
CROSS Safety Report
Report ID: 790
Region: CROSS-UK
Wind loads acting on timber frame walls for designs to BS 5268-6
A reporter says that the masonry shielding factors in BS 5268-6 (K100 and K200) were substantially reduced when PD 6693-1 for designs to EC5 was produced.
1 April 2019
CROSS Safety Report
Report ID: 624
Region: CROSS-UK
Hidden defects in railway masonry arch viaducts
A reporter raises concern about the sell-off of spaces under railway arches, as it may become difficult to carry out future inspections and maintenance.
1 April 2019
CROSS Safety Report
Report ID: 764
Region: CROSS-UK
Inadequate billets used in precast concrete connections
Whilst completing a third-party design appraisal, a correspondent found that solid steel billets intended to form the primary shear transfer mechanism between concrete beams and columns were insufficient for this purpose.
1 April 2019
CROSS Safety Report
Report ID: 705
Region: CROSS-UK
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