Safety Flash
Subsea oxy-arc cutting – risk of explosion
Subsea oxy-arc cutting – risk of explosion
- IMCA
- Safety Flash
- IMCA SF 08/10
- DivingElectrical SafetyHot Work and FireIsolation
- Electrical safetyExplosion
- Diving operationsHot work
- Switchgear
- Energy and process isolation
- Subsea
Summary
This safety flash addresses explosion risk during subsea oxy-arc cutting. It recommends dependable double isolation that breaks both circuit poles between the surface generator and diver. Referenced diving guidance advises mounting the knife switch against accidental activation, ideally using a double-pole switch enclosed in a protective wooden or plastic box.
Classifications: Electrical safety; electrical hazards.
Classifications: Explosion; explosive atmospheres.
Classifications: Diving operations; diving; commercial diving.
Classifications: Hot work; welding and cutting.
Classifications: Switchgear; switch gear.
Classifications: Energy and process isolation; isolation; energy isolation.
Classifications: Subsea; underwater worksite.
Summary
Guidance for subsea oxy-arc cutting recommends dependable double-pole isolation between the surface generator and diver.
IMCA SF 08/10. Themes: diving, electrical safety, hot work and fire, isolation.