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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

Poor quality design leads to failure for a small design and build contract

An example of a small design and build contract where poor design and management led to an inadequate structure being built.

6 June 2022

CROSS Safety Report

Report ID: 1088

Region: CROSS-UK

Overloading of existing steelwork frame

Inadequate structural investigations and design of alteration works leads to damage to multi-storey flats.

10 March 2022

CROSS Safety Report

Report ID: 1033

Region: CROSS-UK

Sudden failure of storage silo

A 5,000 ton capacity storage silo containing ground granulated blast-furnace slag (ggbs) split apart suddenly and without warning onsite at a concrete production facility.

14 December 2021

CROSS Safety Report

Report ID: 1045

Region: CROSS-UK

Safety issues when adding PV panels to existing roofs

A reporter raises concerns over the lack of structural engineering knowledge and dangerous assumptions, that they have seen, in assessments for the installation of photovoltaic (PV) panels for a number of buildings.

13 December 2021

CROSS Safety Report

Report ID: 1015

Region: CROSS-UK

Failure of large aluminium composite panel

This report highlights the importance of correctly designed fixings and anchoring systems for cladding panels to buildings to minimize the risk of failure.

30 April 2021

CROSS Safety Report

Report ID: 962

Region: CROSS-AUS

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The use of cast-in ferrules as structural connections

This report highlights several problems that can arise with structural connections between elements when cast-in ferrules (also known as threaded inserts) are used for the anchorage of reinforcing bars.

30 April 2021

CROSS Safety Report

Report ID: 993

Region: CROSS-AUS

Design of internal partitions for horizontal loads

This report draws attention to the requirement for internal partitions to be designed for horizontal loads from wind and seismic effects in accordance with Section B of the Australian National Construction Code (NCC).

30 April 2021

CROSS Safety Report

Report ID: 1000

Region: CROSS-AUS

Structural safety when designing lean in the climate emergency

The IStructE Safety, Health and Wellbeing Panel considers the safety implications when aspiring to a lean design.

4 January 2021

Third party content

Publisher: The Institution of Structural Engineers

Failure of existing long-span wood roof truss following installation of new roof-top HVAC units

Failure of an existing long-span wood roof truss following installation of new roof-top Heating, Ventilating, and Air Conditioning (HVAC) units offers lessons in the special challenges of renovations to existing buildings.

1 September 2020

CROSS Safety Report

Report ID: 949

Region: CROSS-US