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CROSS regions
RAAC planks in a 1970s shopping centre
An existing large shopping centre built circa 1975 had a number of external storerooms and loading bays with roofs constructed using reinforced autoclaved aerated concrete (RAAC) planks. The planks had deflected to the extent that they needed replacing.
20 February 2023
CROSS Safety Report
Report ID: 1155
Region: CROSS-UK
Construction period of RAAC planks
A reporter says that there are structural issues with reinforced autoclaved aerated concrete (RAAC) panels installed in a building as late as 1998. This date is significantly later than previous reports suggest as the last significant use of RAAC elements in the UK.
20 February 2023
CROSS Safety Report
Report ID: 954
Region: CROSS-UK
Excessive deflection of spliced steel beam
A long-span primary steel beam deflects excessively at its splice during concreting of the floor slab.
30 August 2022
CROSS Safety Report
Report ID: 1111
Region: CROSS-UK
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
Safety concern for outdoor video screens
This report is to raise concerns about the suitability of video screen support systems being used outdoors for public displays.
14 October 2020
CROSS Safety Report
Report ID: 979
Region: CROSS-UK
GFRP reinforcement in concrete structures
A correspondent has become aware of work being undertaken in the field of glass fibre reinforced polymer (GFRP) reinforcement as a substitute for steel rebar in concrete structures and is deeply concerned by what they have observed.
1 August 2020
CROSS Safety Report
Report ID: 939
Region: CROSS-AUS
Roof collapse at primary school
Blocked drainage outlets likely lead to the build-up of water on a school roof which collapsed.
1 July 2020
CROSS Safety Report
Report ID: 958
Region: CROSS-UK
Unconservative design of flat slab due to software modelling issues
A reporter discusses how a design/modelling problem caused an under-designed reinforced concrete (RC) slab to be constructed.
1 April 2020
CROSS Safety Report
Report ID: 886
Region: CROSS-UK
Poor quality of structural design on high-rise buildings
The correspondent has been very concerned about the quality of structural engineering on some projects in recent years, particularly for certain high-rise buildings.
1 July 2019
CROSS Safety Report
Report ID: 823
Region: CROSS-AUS
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
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