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).
Padstones out of position leads to collapse
This report concerns the partial collapse of a terrace of four storey houses during construction due to padstones being placed incorrectly.
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.
Settlement of driven piles
A railway platform was constructed on piled foundations and it was noticed that one pair of piles and their associated cross head settled soon afterwards.
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.
Unrestrained stone cladding falls from building
A person was injured when a large piece of stone cladding fell from a leisure complex that was completed in the early 2000’s.
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.
Square Hollow Section (SHS) expansion due to freezing
A reporter has come across problems in British Columbia (temp range -30 degrees to +40 degrees) of cracking to square hollow sections (SHS) due to the ingress of water and freezing.
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