OGP Safety Alert #213 – Diving incident near miss

June 26, 2009

Country: null

Location: OFFSHORE : Other offshore

Release Date: —

Time incident occurred: —

Type of Activity: Diving, Subsea, ROV

Type of Injury: null

Function: null

Applicabale Filter Categories: System/Equipment failure

  • Surface air dive to -34fsw
  • Bail-Out bottle contained mixed gas
  • Diver bumps control valve allowing gas to hat
  • Supervisor immediately switches to HP back up air
  • Abort dive – diver to surface – no harm

What Went Wrong?

  • Content not analyzed – only checked for pressure

Corrective actions and Recommendations

Bail-Out contained 14% HeO2– emptied-charged with air

Bail-Out bottles will be analyzed for content at the start of project

Bail-Out bottles that are used for mixed gas will be:

  • Supplied by the dive contractor (no personal bottles)
  • All bottles will be color coded
  • All bottles will be labeled with % of mix

Pre-Dive Checklist will include a Bail-Out Drill

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