CROSS Safety Report
Failure of cast-in wire lifting loops on manhole cover slabs
A cast-in wire lifting loop failed when lifting a 4m diameter precast manhole cover slab into place.
Key Learning Outcomes
For precast manufacturers, designers and contractors:
- Be aware that appropriate lifting anchors are required to resist the forces that are generated during the stripping, transportation and final installation of precast concrete units
- Consider appointing a single entity (or Chartered Engineer) to have overall control of the design of the lifting system for stripping, transportation, and final installation
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The Full Report below has been submitted to CROSS and describes the reporter’s experience. The text has been edited for clarity and to ensure anonymity and confidentiality by removing any identifiable details. If you would like to know more about our secure reporting process or submit a report yourself, please visit the reporting to CROSS-UK page.
A contractor experienced a failure of the cast-in wire lifting loop on a 4m diameter precast manhole cover slab that was being lifted into place. The issuer of this warning said that when handling similar products utilising cast-in wire lifting loops products, users should not use lifting eyes without knowing them to be safe for use.
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