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CROSS regions
Essential consideration of ‘soft hazards’ on civil and building engineering projects
A check-list for all those engaged in structural or fire engineering design.
7 December 2022
Third party content
Photovoltaic installations - structural aspects
CROSS has concerns about some structural aspects of roof mounted PV and solar thermal panels.
1 November 2016
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Inquiry into the construction of Edinburgh Schools
This Alert deals with the aftermath of the collapse of part the outer skin of a cavity wall at Oxgangs Primary School Edinburgh on 29th January 2016 in high winds.
1 February 2017
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Structural stability/integrity of steel frame buildings
There are occasional collapses of steel frame structures during construction and this Alert is to draw attention to matters which need to be borne in mind by designers, fabricators, and contractors.
1 February 2017
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Failure of reinforced autoclaved aerated concrete (RAAC) planks
In late 2018, the Local Government Association (LGA) and the Department for Education (DfE) contacted all school building owners to draw attention to a recent failure involving a flat roof There was little warning of the sudden collapse.
1 May 2019
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Structural safety of glass in balustrades
Barriers in buildings may include balustrading, internal partitions and the external façade. Glass is commonly used as an infill or even as a structural component in all of these applications.
1 December 2019
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Lessons learned from the 2018 Florida bridge collapse during construction
This was a bridge of an unusual design and was being constructed in an unusual manner. The main 53m pre-stressed pre-cast concrete span truss was in position when cracks appeared at a node and over a period of almost three weeks they visibly worsened until collapse occurred.
1 December 2020
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Effects of scale
This Alert has been prompted by concerns raised about some particularly large structures and is based on evidence made known to SCOSS.
1 November 2018
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Sudden loss of ground support
SCOSS has logged several incidents of unstable ground below structures where voids have opened up; so far without loss of life (UK), but pictures of the incidents show that safety could easily have been compromised, severely.
1 July 2017
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Hazard identification for structural design
At the outset of the design, it is recommended that the structural engineer should document the proposed structural design philosophy and the approach to design against disproportionate collapse and agree this with the client.
1 September 2017
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US