Safety information search results
Filter your results
Building or structure type
Building height
Materials
Project or lifecycle stage
Operation or occupation
Codes, standards & regulations
Fire incident response
Project type
Construction period
Method of construction
Structural form
Elements & systems
Temporary works
Plant & equipment
Weather & natural hazards
Utilities
Safety reporting
Organisations
Project delivery methods
Business practice
Risk management
Public incidents
Theme pages
Locations
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
Design wind loading for tower cranes
A report from a major contractor concerns wind loading on tower cranes.
1 January 2009
CROSS Safety Report
Report ID: 132
Region: CROSS-UK
Failure of supposedly grade 10.9 bolts
There was a high potential for collapse when supposedly grade 10.9 high strength holding bolts failed on a crane base.
1 October 2016
CROSS Safety Report
Report ID: 585
Region: CROSS-UK
Failure of tower crane studs
This report describes how non-standard Grade 10.9 studs used to connect a tower crane mast to a steel grillage failed.
1 January 2017
CROSS Safety Report
Report ID: 600
Region: CROSS-UK
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.
1 April 2020
CROSS Safety Report
Report ID: 915
Region: CROSS-UK
Submit a report
Your report will make a difference. It will help to create positive change and improve safety.
Our secure and confidential safety reporting system gives professionals the opportunity to share their experiences to help others.