Alert
  • Published: 20 Jun 2011
  • Incident ID: 3337

Chain sling failure

Cause & Consequence

  • Other
Incident Consequence
HIPO

Incident Location

Onshore construction/rig repair yard

Incident Activity

Any Activity Type

Incident Info Source

Step change in safety

Specific Incident Equipment

5.3t collared chain sling and 2 legged 11.2t chain slings.

Lessons Identified

The lift plan and slinging arrangement techniques were appropriate for the task.All of the slings mentioned in this alert were new prior to the start of the operations mentioned.The chain slings were sourced from a single supplierADDITIONAL INFORMATION ADDED 24TH MARCH 2011

OGN are concerned that the chains received were certified by batch testing only and it transpired that the name/signature on the certification was replicated (computerised signature) & also not necessarily the person who actually carried out the inspection/testing, giving concerns as to whether there had been any testing. As a result of our concerns we’ve initiated a requirement for all chains purchased to be tested to SWL .

The UK based sub supplier has provided us with an update which advises us , some of whom who don’t hold export licences. They also advised us that they have immediately withdrawn all chain from sale supplied by this company, additionally cancelled all orders with this agent and will continue to request the manufacturers details but more importantly the reason for failure.

Incident Recommendations

All chains recieved from this supplier were immediately placed in quarantine and returned to the supplier.The supplier was instructed to perform an investigation as to why the equipment failed and all similar equipment is recalled awaiting the investigation and report. It is not known at this time whether similar equipment was supplied to offshore locations.Although NOT reportable under RIDDOR, the local HSE have been advised and will be kept advised of any actions taken.

All chains recieved from this supplier were immediately placed in quarantine and returned to the supplier.The supplier was instructed to perform an investigation as to why the equipment failed and all similar equipment is recalled awaiting the investigation and report. It is not known at this time whether similar equipment was supplied to offshore locations.Although NOT reportable under RIDDOR, the local HSE have been advised and will be kept advised of any actions taken.

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