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Concrete system buildings - need for period inspection
Evidence of corrosion of tendons in post-tensioned components came to light which was associated with exposure of tendons to moisture in voids in ducts and sometimes also the presence of chlorides.
1 December 2001
CROSS Safety Alert
Region: CROSS-UK
Water ingress to cross-laminated timber structural frame
In an eight year old building that included cross-laminated timber construction, it was found that water penetration had caused parts of the structure to rot.
6 June 2022
CROSS Safety Report
Report ID: 1124
Region: CROSS-UK
Failure of cantilevered stone staircase
During the renovation and change-of-use conversion of a former minor stately home built around 1830, under pedestrian loading, a ‘cantilevered’ stone staircase partially collapsed without warning.
21 February 2023
CROSS Safety Report
Report ID: 1147
Region: CROSS-UK
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
Defects found in precast (prefabricated) concrete façades
The reporter found several issues when inspecting or reviewing buildings with precast concrete façades, particularly on older buildings, due to a lack of attention to durability and poor workmanship.
30 March 2023
CROSS Safety Report
Report ID: 995
Region: CROSS-AUS
Structural corrosion in a swimming pool building causes concern
A survey showed severe corrosion of previously repaired steelwork columns adjacent to a public swimming pool.
30 July 2021
CROSS Safety Report
Report ID: 1004
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
Car park staircase collapse at construction joint
The top flight of a staircase to a multi-storey concrete car park collapsed approximately 10 years after construction.
1 July 2008
CROSS Safety Report
Report ID: 106
Region: CROSS-UK
Multi-storey car parks - structural condition concerns
A reporter raises concerns about the structural condition of a number of car parks that they have worked on as remediation projects.
1 April 2012
CROSS Safety Report
Report ID: 265
Region: CROSS-UK
Further issues with freezing and galvanised hollow sections
A reporter was involved in correcting a cold formed galvanised square hollow section (SHS) four storey balcony structure where longitudinal splits formed in at least two of the four columns.
1 January 2014
CROSS Safety Report
Report ID: 314
Region: CROSS-UK
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