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What happened?
A vessel was engaged in saturation diving operations in the 500m zone of an offshore platform.
Emergency stop buttons were accidently activated causing the starboard Voith Schneider Propulsion (VSP) System to trip out.
Divers were safely recovered, and the vessel moved off-site and outside the 500m zone.
There were no injuries or harm done. It took 1 hour to restart the VSP.
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Why did it happen?
The Voith Schneider Propulsion tripped out because both lube oil pumps stopped.
The lube pumps stopped because both the emergency stop buttons for the pumps had been accidently activated.
There were no protective covers on the emergency stop buttons.
The buttons were inadvertently pressed by engine room crew lacking situational awareness.
In this case, the control panels were located in a narrow access passageway.
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What did they learn?
Install covers to prevent accidental activation of buttons.
Make people aware of the position of emergency stop buttons, especially in small corridors or spaces where there are risks of accidental activation.
Carry out more thorough job safety analysis and toolbox talks covering routine maintenance activities in engine spaces.
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Ask yourself or your crew
How can something like this happen here?
Where in your workplace could this situation occur?
What barriers or controls can we put in place today to prevent accidental pressing of shutdown (or other) buttons?
What should we do if an emergency occurs during a diving operation?
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What happened?
A vessel was engaged in saturation diving operations in the 500m zone of an offshore platform.
Emergency stop buttons were accidently activated causing the starboard Voith Schneider Propulsion (VSP) System to trip out.
Divers were safely recovered, and the vessel moved off-site and outside the 500m zone.
There were no injuries or harm done. It took 1 hour to restart the VSP.
Why did it happen?
The Voith Schneider Propulsion tripped out because both lube oil pumps stopped.
The lube pumps stopped because both the emergency stop buttons for the pumps had been accidently activated.
There were no protective covers on the emergency stop buttons.
The buttons were inadvertently pressed by engine room crew lacking situational awareness.
In this case, the control panels were located in a narrow access passageway.
What did they learn?
Install covers to prevent accidental activation of buttons.
Make people aware of the position of emergency stop buttons, especially in small corridors or spaces where there are risks of accidental activation.
Carry out more thorough job safety analysis and toolbox talks covering routine maintenance activities in engine spaces.
Ask yourself or your crew
How can something like this happen here?
Where in your workplace could this situation occur?
What barriers or controls can we put in place today to prevent accidental pressing of shutdown (or other) buttons?
What should we do if an emergency occurs during a diving operation?
Emergency stop buttons were accidently activated on a vessel engaged in saturation diving operations in the 500m Zone, causing the starboard Voith Schneider Propulsion (VSP) system to trip out.
