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- CROSS-UK Newsletter 6 (1)
- CROSS-UK Newsletter 23 (7)
- CROSS-UK Newsletter 25 (1)
- CROSS-UK Newsletter 34 (1)
- CROSS-UK Newsletter 36 (1)
- CROSS-UK Newsletter 42 (3)
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- CROSS-UK [sub-heading only] (15)
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CROSS regions
Safety issues when adding PV panels to existing roofs
A reporter raises concerns over the lack of structural engineering knowledge and dangerous assumptions, that they have seen, in assessments for the installation of photovoltaic (PV) panels for a number of buildings.
13 December 2021
CROSS Safety Report
Report ID: 1015
Region: CROSS-UK
Overloading a portal frame with suspended services
A reporter designing a single storey portal frame used a standard roof service loading of 0.25kN/m2. After the project was completed, a tenant for the unit took over fit out and added a considerable amount of sprinkler pipework into the roof. This created local overloading.
21 August 2023
CROSS Safety Report
Report ID: 1195
Region: CROSS-UK
Incorrect use of software for wind loads on solar panels
A reporter is concerned about designers relying completely on the output of software for structural analysis when they do not fully understand the requirements for data input.
7 November 2023
CROSS Safety Report
Report ID: 1212
Region: CROSS-AUS
Snow drift implications due to building extension
Part of a roof collapsed in a factory and warehouse facility shortly after a storm event due to snow drift loads.
13 December 2022
CROSS Safety Report
Report ID: 947
Region: CROSS-UK
Low pitched metal sheet roofs
A reporter is concerned about low pitch metal sheet roofing attached to trussed rafters.
1 April 2007
CROSS Safety Report
Report ID: 66
Region: CROSS-UK
Loading from solar panels
A reporter inspected a roof to discover that the structure was already overloaded with the self weight of the roof covering without the addition of solar panels.
1 January 2012
CROSS Safety Report
Report ID: 280
Region: CROSS-UK
PV solar panels
This reporter queries whether enough attention is being paid to the loads applied by PV (Photo Voltaic) solar panels added to roofs.
1 January 2012
CROSS Safety Report
Report ID: 266
Region: CROSS-UK
Snow loading in Scotland - summary of reports
There were heavy snowfalls over the entire United Kingdom in the winters of 2009/2010 and 2010/2011 and CROSS received a number of reports, mostly from Scotland where a significant number of buildings suffered roof collapses.
1 July 2011
CROSS Safety Report
Report ID: 264
Region: CROSS-UK
Solar panels and effect on snow slides from roofs
A reporter writes in connection with report 246, which discussed dangerous snow slides from buildings, and asks if any of the roofs had solar panels?
1 January 2012
CROSS Safety Report
Report ID: 269
Region: CROSS-UK
Concern about PV installations
A reporter who has been pricing PV installations for portal frames would like to draw the attention of CROSS to concerns regarding issues that are emerging within the industry.
1 January 2012
CROSS Safety Report
Report ID: 287
Region: CROSS-UK
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