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- CROSS-AUS Newsletter 8 (1)
- CROSS-UK Newsletter 1 (3)
- CROSS-UK Newsletter 2 (1)
- CROSS-UK Newsletter 3 (1)
- CROSS-UK Newsletter 5 (1)
- CROSS-UK Newsletter 6 (2)
- CROSS-UK Newsletter 12 (1)
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- CROSS-UK Newsletter 18 (1)
- CROSS-UK Newsletter 23 (7)
- CROSS-UK Newsletter 25 (2)
- CROSS-UK Newsletter 29 (1)
- CROSS-UK Newsletter 32 (2)
- CROSS-UK Newsletter 34 (1)
- CROSS-UK Newsletter 35 (1)
- CROSS-UK Newsletter 36 (1)
- CROSS-UK Newsletter 39 (1)
- CROSS-UK Newsletter 41 (1)
- CROSS-UK Newsletter 42 (3)
- CROSS-UK Newsletter 43 (1)
- CROSS-UK Newsletter 44 (1)
- CROSS-UK Newsletter 52 (1)
- CROSS-UK Newsletter 54 (1)
- CROSS-UK Newsletter 56 (2)
- CROSS-UK Newsletter 58 (1)
- CROSS-UK Newsletter 59 (1)
- CROSS-UK [sub-heading only] (37)
- CROSS-US Newsletter 1 (2)
- CROSS-US Newsletter 2 (2)
- CROSS-US Newsletter 3 (2)
- CROSS-US [sub-heading only] (4)
- CROSS Newsletter (17)
- CROSS Safety Alert (2)
- CROSS Safety Report (74)
- CROSS Theme Page (1)
- CROSS Topic Paper (1)
- News [sub-heading only] (10)
- Safety information from CROSS [sub-heading only] (2)
- Safety information [sub-heading only] (1)
- Third party content (3)
- Third party content (3)
CROSS regions
Structural safety of reinforced autoclaved aerated concrete (RAAC) planks
A Theme Page to raise awareness of and encourage knowledge sharing on the structural safety of RAAC planks.
CROSS Theme Page
Region: CROSS-UK, CROSS-AUS, CROSS-US
Reinforced autoclaved aerated concrete in roofing in schools
This document is for building owners to help them to identify the presence of reinforced autoclaved aerated concrete (RAAC) and to check whether any further investigation or action is needed.
10 February 2021
Third party content
Publisher: Department for Education
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
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
FC Twente stadium roof collapse
This paper concerns the collapse at the FC Twente Stadium in Holland in 2011 when part of a cantilever steel frame roof failed during erection.
1 July 2014
CROSS Topic Paper
Region: CROSS-UK
Design of timber structures
An approximate design led to a timber roof deflecting considerably.
1 November 2005
CROSS Safety Report
Report ID: 17
Region: CROSS-UK
Timber design concerns
A reporter says what he has seen of the quality of the structural engineering design of roofs in many hundreds of projects is lamentably low.
1 March 2006
CROSS Safety Report
Report ID: 21
Region: CROSS-UK
Potential overload on buildings
A reporter raises concerns after a crowd in a city centre greeting a successful sporting team gained access to the roofs of buildings and were densely packed around perimeters overlooking the streets.
1 November 2005
CROSS Safety Report
Report ID: 2
Region: CROSS-UK
Roof overloading
A flat roof with parapets and internal downpipes collapsed after drainage outlets became blocked.
1 November 2005
CROSS Safety Report
Report ID: 9
Region: CROSS-UK
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