Safety Flash
Need for supplied air in the vicinity of man way during nitrogen purge
Need for supplied air in the vicinity of man way during nitrogen purge
- IMCA
- Safety Flash
- IMCA SF 13/01
- Confined SpaceControl of WorkHazardous SubstancesPersonal Protective Equipment
- Oxygen deficiency
- Breathing apparatus
- Exclusion zones
Summary
During a catalyst change-out, a junior engineer lost consciousness through oxygen deficiency after looking into a vessel manway while nitrogen purging continued during lunch. The company required supplied air near the manway pending further investigation and a chain restricting ladder access during staff breaks.
Classifications: Oxygen deficiency; oxygen deficient; oxygen displacement; oxygen depletion.
Classifications: Breathing apparatus; SCBA; self-contained breathing apparatus.
Classifications: Exclusion zones; red zones; restricted access zones.
Summary
A worker lost consciousness after approaching a vessel manway during a nitrogen purge, where oxygen levels were depleted.
IMCA SF 13/01. Themes: confined space, control of work, hazardous substances, personal protective equipment.