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CROSS regions
Tower crane base designs
A reporter’s firm has been involved in the design and checking of numerous tower crane bases and have come across many examples where the supplier of the tower crane has supplied incorrect loadings. These incorrect loadings could have led to crane failures had the errors not been spotted.
7 June 2022
CROSS Safety Report
Report ID: 1093
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
Object rolling into live carriageway
A disc of concrete rolled from a construction area onto a live carriageway, colliding with a passing vehicle.
6 June 2022
Report ID: 1089
Region: CROSS-UK
Column stability during erection
A reporter highlights the importance of ensuring steel columns are temporarily supported until they are sufficiently tied and supported by the permanent structure.
13 December 2021
CROSS Safety Report
Report ID: 1038
Region: CROSS-UK
Unsafe working platform
A reporter came across an access platform supported next to an excavated foundation with unstable sides while carrying out an inspection on site.
10 March 2022
CROSS Safety Report
Report ID: 1019
Region: CROSS-UK
Unsafe excavation practices
A builder undermined the existing footing of a masonry wall without being aware of the risks.
30 July 2021
CROSS Safety Report
Report ID: 1026
Region: CROSS-UK
Inadequate design for basement works
An inadequate structural design for alterations to a basement led to structural distress within a substantial five-storey townhouse.
21 November 2022
CROSS Safety Report
Report ID: 1132
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
Understanding finite element analysis for pile caps
A reporter questions the validity of using two-dimensional finite element (2D FE) shells to model structural elements such as pile caps.
18 October 2023
CROSS Safety Report
Report ID: 1152
Region: CROSS-UK
Steel column erection anchoring connection failure injured worker
This report describes how a construction worker was injured during the erection of a steel column due to shortcomings in erection procedures and inadequacies in a column base connection.
10 May 2021
CROSS Safety Report
Report ID: 992
Region: CROSS-US
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