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Checking reinforcement before concrete pours
A reporter shares their concerns about incorrect rebar positioning on site prior to concrete being poured.
Crane outrigger loads underestimated due to misuse of software
A reporter is concerned about how the misuse of software can lead to incorrect outrigger loads being used in the design of foundations for crane outriggers.
Structures at risk from scour and erosion
Following some recent structural failures, a reporter is concerned that asset owners may not fully realise risks associated with scour and erosion.
Tower crane foundation design error
Whilst carrying out an independent design check on a tower crane foundation design, a reporter discovered that the piles used on site did not have the required tension capacity.
Concern about foundations to telecoms masts
Concerns are raised about a potential safety problem with the design and construction of ‘root’ foundations for telecom poles.
Multi-storey car park foundations
Concerns are raised about the integrity of a completed car park structure following poor quality control procedures during construction.
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Cantilever signal base failure - holding down bolts in bending
A railway asset owner noticed that a 9m cantilever signal structure was sagging alarmingly and stopped trains on the line to investigate the matter.
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.
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.
High mast light poles removed from UK site
Five high mast light poles (HMLPs) were removed from a public site as it was considered that there was a possibility of collapse.