AL Pipelines Practice Questions - Alabama Pipelines Contractor Examination Exam

A crew must enter a below-grade valve vault on a pipeline. What is the required approach?

Treat it as a permit-required confined space: test the atmosphere, ventilate, use an attendant, and have rescue capability Enter quickly to limit exposure time Enter after opening the lid for a few minutes Enter with two workers so each can watch the other from inside

Correct Answer:

Treat it as a permit-required confined space: test the atmosphere, ventilate, use an attendant, and have rescue capability

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