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CROSS regions
Precast concrete canopies in housing
A reporter warns that precast concrete cantilever canopies which are slender and monolithic with lintels over entrance doorways can be vulnerable to sudden collapse.
1 January 2009
CROSS Safety Report
Report ID: 126
Region: CROSS-UK
Precast concrete planks - durability and potential safety concerns
A reporter raises concerns over the recent collapses of precast concrete floor units that are installed throughout the UK.
1 April 2007
CROSS Safety Report
Report ID: 77
Region: CROSS-UK
Composition of new precast concrete blocks
A UK firm has raised concerns over a new large precast concrete block range which seems to use a wide range of secondary recycled aggregates in its mix, including some potentially hazardous waste.
1 July 2014
CROSS Safety Report
Report ID: 380
Region: CROSS-UK
Actively seeking to identify hazards
A reporter investigating a near miss incident raises concerns that an active prompt to seek out hazards is not being undertaken on innovative construction design and methods.
1 April 2016
CROSS Safety Report
Report ID: 530
Region: CROSS-UK
Steel balconies fixed to precast hollowcore floor planks
A reporter is concerned about the suitability of providing a retrofitted steel balcony requiring moment connections to the sides of typical hollowcore floor planks.
1 July 2017
CROSS Safety Report
Report ID: 620
Region: CROSS-UK
Inadequate bolted connections supporting stairs
Concerns are raised over the safe design and installation of rolled steel angles (RSA) used to support heavy precast stair and landing units.
1 April 2017
CROSS Safety Report
Report ID: 615
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
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
Disproportionate collapse assessment of large panel system buildings
A reporter has become concerned by the approach being taken by some engineers to assess the risk of disproportionate collapse due to fire in large panel system (LPS) buildings.
1 January 2020
CROSS Safety Report
Report ID: 885
Region: CROSS-UK
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