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Unstable concrete blocks
A reporter from a consulting firm was called to a site where the blocks in a retaining wall were found to be expanding and falling apart.
1 April 2010
CROSS Safety Report
Report ID: 174
Region: CROSS-UK
Stability compromised in school hall
A reporter highlights construction issues that occurred during the construction of a new school hall.
1 January 2012
CROSS Safety Report
Report ID: 242
Region: CROSS-UK
Gain in strength of mortar slower than concrete
A masonry wall settled and cracked after four courses of Engineering grade B bricks were substituted (not by the designer) for the original in-situ concrete padstones on cost and handling grounds.
1 April 2010
CROSS Safety Report
Report ID: 177
Region: CROSS-UK
Retaining wall concerns and the stance of a local authority
A reporter was asked by a client to assess a retaining wall built on their boundary by a neighbour who had erected a new dwelling. A review of the calculations and a typical section gave serious concern for its strength.
1 July 2010
CROSS Safety Report
Report ID: 189
Region: CROSS-UK
Composition of new precast concrete blocks
A UK firm has raised concerns over a new large precast concrete block range which seems to use a wide range of secondary recycled aggregates in its mix, including some potentially hazardous waste.
1 July 2014
CROSS Safety Report
Report ID: 380
Region: CROSS-UK
Wall reinforcement cages collapse
A contractor says that they have experienced two cases of wall reinforcement cages collapsing.
1 April 2013
CROSS Safety Report
Report ID: 357
Region: CROSS-UK
Safety concerns with twin wall system
A reporter raises safety concerns over the temporary stability of twin wall systems after they observed failures during construction.
1 April 2014
CROSS Safety Report
Report ID: 402
Region: CROSS-UK
Failure of cast-in lifting anchor on precast twin-wall
A precast reinforced concrete twin-wall panel was being lifted when one of the cast-in lifting anchors suffered a brittle failure.
1 January 2018
CROSS Safety Report
Report ID: 637
Region: CROSS-UK
Failure of cast-in lifting eye on L-shaped wall
During a routine lifting operation of a L-shaped wall unit, one of the legs on a cast-in lifting eye which was located on top of the unit pulled out of the concrete.
1 January 2018
CROSS Safety Report
Report ID: 638
Region: CROSS-UK
Changes in temporary works scheme
Changes in the construction programme on site led to the construction of the superstructure of a building, without the liner wall below it being completed.
1 April 2017
CROSS Safety Report
Report ID: 603
Region: CROSS-UK
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