SC Pressure And Process Piping Practice Questions - South Carolina Pressure And Process Piping Contractor Examination Exam

When is a hot-work permit typically required on a process unit?

Only when welding on a new shop spool in a fabrication bay designed for welding Whenever welding, cutting, or grinding is done outside a designated shop, especially near flammables, insulation, or operating equipment Never, because B31.3 replaces all plant permits Only after a fire has already started

Correct Answer:

Whenever welding, cutting, or grinding is done outside a designated shop, especially near flammables, insulation, or operating equipment

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