Safety Flash
Incorrect measurement and markings on divers umbilical
Incorrect measurement and markings on divers umbilical
- IMCA
- Safety Flash
- IMCA SF 09/21
- Diving
- Human factors
- Diving operations
- Diver umbilical
- Competence and trainingIndependent audit and verificationOperating and work proceduresPre-use checks
Summary
A diving operation was stopped after umbilical distance markings were found to use incorrect colours and a wrong measurement datum. Nobody was harmed, but checking and remarking caused lost time. The flash addresses unclear checking responsibilities, refresher training, mobilisation checks and audit comparison using a 50 m tape.
Classifications: Human factors; human performance; ergonomics.
Classifications: Diving operations; diving; commercial diving.
Classifications: Diver umbilical; diving umbilical.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Independent audit and verification.
Classifications: Operating and work procedures.
Classifications: Pre-use checks; pre-use inspection.
Summary
During a diving operation it was seen that the colour distance markings on the divers umbilical were not the same as stated in the diving contractor’s Diving Operations Manual
IMCA SF 09/21. Themes: diving.