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- CROSS-AUS Newsletter 3 (1)
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- CROSS-AUS [sub-heading only] (1)
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- CROSS-UK Newsletter 47 (1)
- CROSS-UK Newsletter 54 (1)
- CROSS-UK [sub-heading only] (17)
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CROSS regions
Lessons learned from the 2018 Florida bridge collapse during construction
This was a bridge of an unusual design and was being constructed in an unusual manner. The main 53m pre-stressed pre-cast concrete span truss was in position when cracks appeared at a node and over a period of almost three weeks they visibly worsened until collapse occurred.
1 December 2020
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
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
Brick wall removed to leave precast panels unsupported
Precast concrete slabs were left unsupported after a supporting brick wall was removed during demolition works.
1 July 2014
CROSS Safety Report
Report ID: 384
Region: CROSS-UK
Responsibilities for hybrid concrete construction
Concerns are raised after a substantial precast element, weighing over 10t, had been placed in position and used as part of the shuttering for an in-situ pour without it being designed to act as a shutter.
1 October 2016
CROSS Safety Report
Report ID: 574
Region: CROSS-UK
Actively seeking to identify hazards
A reporter investigating a near miss incident raises concerns that an active prompt to seek out hazards is not being undertaken on innovative construction design and methods.
1 April 2016
CROSS Safety Report
Report ID: 530
Region: CROSS-UK
Risks from off-site manufacture and hybrid construction
A reporter was recently investigating a ‘near miss’ involving concrete construction in which pre-cast and in-situ concrete were used in combination.
1 January 2016
CROSS Safety Report
Report ID: 529
Region: CROSS-UK
Boom MEPW falls through precast planks
A high injury potential near-miss (near hit) incident occurred when a mobile elevated working platform (MEPW) fell through a floor at a point where there was a notched precast plank.
1 April 2013
CROSS Safety Report
Report ID: 359
Region: CROSS-UK
Failure of precast concrete cover slab to circular shaft
A reporter describes how several precast concrete cover slab units collapsed shortly after being installed.
1 April 2015
CROSS Safety Report
Report ID: 505
Region: CROSS-UK
Failure of precast concrete 'L' shaped retaining wall
A recent incident occurred on a site, where a temporary precast retaining wall failed leading to a pile of clay approximately 3m high spilling through the wall.
1 July 2014
CROSS Safety Report
Report ID: 433
Region: CROSS-UK
Inadequate bolted connections supporting stairs
Concerns are raised over the safe design and installation of rolled steel angles (RSA) used to support heavy precast stair and landing units.
1 April 2017
CROSS Safety Report
Report ID: 615
Region: CROSS-UK