imca_do06_20240416152347 Flashcards
What are some of the precautions that can be taken topside when working around topside pumping equipment?
Warning notices
Barriers
Restricted access
Permit to work
What is the main concern with working around pipelines?
Sudden release of gas or liquid
What IMCA document deals with contamination?
IMCA DO21
Pipeline testing:
Should there be any requirement for a diver to be in the vicinity of a pipeline under test?
No
How should a suspected leak initially be inspected?
With the ROV
What needs to happen for diver intervention on a suspected leak?
Pipeline pressure should be dropped to the predetermined safe level set out by full engineering and risk assessment done prior to commencement of pressure testing.
No attempt shall be made to rectify a leak until pressure has been reduced to predetermined safe levels.
True or False
True
Diver can make the initial assessment of a leak / damage to a pipeline.
True or False
False
Must be done with the ROV. Then pressure dropped before diver intervention.
All work on pressurised pipelines should be controlled by what?
Detailed written procedures.
Where practical isolations should be tested prior to commencement of work.
True or False
True