A Newsletter from CROSS-UK containing reports on structural safety issues.
Note: this Newsletter was published by CROSS (Confidential Reporting on Structural Safety). Since March 2021, Confidential Reporting on Structural Safety is renamed Collaborative Reporting for Safer Structures (CROSS).
Steel balconies fixed to precast hollowcore floor planks
A reporter is concerned about the suitability of providing a retrofitted steel balcony requiring moment connections to the sides of typical hollowcore floor planks.
Spalled concrete falls from rear face of drilled hole 26 floors up
A reporter describes how during drilling, an operator over drilled the hole causing spalling on the back face of the concrete.
Failure of fabricated access staging board
A member of a team working on a major bridge reported a close call after the supporting mesh flooring on a new access staging system gave way under his foot.
Concerns over unreinforced lighting column foundation
Concerns were raised on a major highway project after it was noticed that the contractor was casting a pad foundation with no reinforcement in the base.
Inability of roller shutter doors to resist wind pressures
Concerns are raised after two sets of roller shutter doors failed within weeks of installation at winds far below the design pressures.
Steel canopy collapse during building completion works
During the construction of a new school, a long span steel truss failed, resulting in the collapse of a canopy.
Poor quality of construction and lack of supervision on a block of flats
Concerns are raised over poor quality construction and a lack of supervision on a residential block of flats.
Polyethylene core cladding panels on a high-rise building
A reporter has raised concerns based on a past visit to a residential tower block in 2011 that had a similar type of rainscreen panel to the one used on the Grenfell Tower.
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