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Preparation of holes in concrete for chemical anchors
Reinforcement intended to be resin anchored into concrete was not anchored, because the resin did not cure, due to contamination within the holes.
6 June 2022
CROSS Safety Report
Report ID: 1096
Region: CROSS-UK
Unsafe instructions from a building inspector
On the site for an extension to a domestic property, a building inspector instructed a contractor to excavate a deep trench. The trench was in front of the neighbour's adjacent boundary retaining wall, and left a deep vertical face under the house being extended.
10 March 2022
CROSS Safety Report
Report ID: 1086
Region: CROSS-UK
Misleading instructions for a structural component
A reporter confirms the difficulty encountered whilst endeavouring to ensure cast-in insulated connectors supporting a parapet wall and balustrade were properly fixed.
26 August 2022
CROSS Safety Report
Report ID: 1127
Region: CROSS-UK
Control of temporary works excavation
Poor, high-water content excavated material, slipped into a 15-20m deep borrow pit. The material had slipped to the bottom of the pit partially burying excavation, crushing and screening equipment. If this slip had occurred during working hours, the impact could have been very serious.
17 November 2022
CROSS Safety Report
Report ID: 1146
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
Failure of waling beam connected to raking prop
A reporter discusses how they witnessed the failure of a temporary support for an excavation on site due to similar design issues discussed in CROSS report 298 (Props to large excavations).
1 July 2019
CROSS Safety Report
Report ID: 813
Region: CROSS-UK
Failure of existing basement wall
A basement retaining wall failed when a new basement was formed by excavating 1.8m.
1 July 2014
CROSS Safety Report
Report ID: 385
Region: CROSS-UK
Failure of epoxy resin bonded anchors in concrete
A reporter expresses concern about adhesive bonded anchors after anchors failed progressively on site during a lifting operation.
1 April 2014
CROSS Safety Report
Report ID: 429
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
Partial failure of precast concrete tank unit on installation
Concerns are raised after the foot of a precast concrete unit failed during installation, making the unit unstable.
1 April 2017
CROSS Safety Report
Report ID: 626
Region: CROSS-UK
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