IMCA D06 - Pipelines Flashcards

1
Q

What are some of the precautions that can be taken topside when working around topside pumping equipment?

A

Warning notices
Barriers
Restricted access
Permit to work

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2
Q

What is the main concern with working around pipelines?

A

Sudden release of gas or liquid

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3
Q

What IMCA document deals with contamination?

A

IMCA DO21

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4
Q

Pipeline testing:
Should there be any requirement for a diver to be in the vicinity of a pipeline under test?

A

No

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5
Q

How should a suspected leak initially be inspected?

A

With the ROV

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6
Q

What needs to happen for diver intervention on a suspected leak?

A

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.

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7
Q

No attempt shall be made to rectify a leak until pressure has been reduced to predetermined safe levels.

True or False

A

True

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8
Q

Diver can make the initial assessment of a leak / damage to a pipeline.

True or False

A

False

Must be done with the ROV. Then pressure dropped before diver intervention.

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9
Q

All work on pressurised pipelines should be controlled by what?

A

Detailed written procedures.

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10
Q

Where practical isolations should be tested prior to commencement of work.

True or False

A

True

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