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CROSS regions
Roof collapse of warehouse structure under rainwater ponding
This report highlights the structural risk caused by rainwater ponding on relatively flat roofs.
10 May 2021
CROSS Safety Report
Report ID: 969
Region: 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
Temporary event structures - saddle span type tents
Saddle span type tented structures appear to provide effective solutions to the needs of event organisers. However, they require careful design, erection and management and a list of precautions is given in the Alert.
1 October 2010
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Snow loads on agricultural and other building structures
Snowfalls in 2010, and in the early part of 2011, caused a significant number of agricultural and associated buildings in Scotland, and a small number in the North of England, to partially fail or to collapse.
1 March 2011
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
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
Wind adjacent to tall buildings
Reports to CROSS have raised concerns about the design of temporary works to resist wind loading in urban environments.
1 December 2015
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
Snow loading on buildings
In 2010 there was heavy snow in many parts of the UK, but particularly in Scotland, where a number of buildings, mainly agricultural, collapsed under the weight of snow (up to 1.2m in some cases).
1 February 2010
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
Failure to maintain roof drainage during re-roof leads to ponding stability collapse
A roof collapsed while the building’s roofing membrane was being replaced.
1 March 2020
CROSS Safety Report
Report ID: 864
Region: CROSS-US
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