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CROSS regions
The selection and installation of construction fixings
SCOSS has been concerned for some time at the use of structural fixings where these so called minor items have not received the attention they deserve given their safety critical nature.
1 September 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
Underpinning using screw piles
A reporter is concerned that inclined screw piles used for underpinning may be subjected to significant bending moments that compromise their capacity.
7 November 2023
CROSS Safety Report
Report ID: 1175
Region: CROSS-AUS
Tension systems and post-drilled fixings
Lining failures occurred in the Boston (Big Dig) tunnel in 2006, in the Balcome rail tunnel in the UK in 2011 and in Japan’s Sasago tunnel (2012); all related to the use of unsuitable fixings.
1 March 2014
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Temporary stage structures
There have been collapses of temporary stage structures in the USA and in Europe during entertainment events.
1 January 2012
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
Design of internal partitions for horizontal loads
This report draws attention to the requirement for internal partitions to be designed for horizontal loads from wind and seismic effects in accordance with Section B of the Australian National Construction Code (NCC).
30 April 2021
CROSS Safety Report
Report ID: 1000
Region: CROSS-AUS
The use of cast-in ferrules as structural connections
This report highlights several problems that can arise with structural connections between elements when cast-in ferrules (also known as threaded inserts) are used for the anchorage of reinforcing bars.
30 April 2021
CROSS Safety Report
Report ID: 993
Region: CROSS-AUS
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
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
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
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