Gas freeing hollow structures prior to hot work can be tricky business. In this video we explore safe techniques for blowing these with air while avoiding overpressurization… and what happens if things go wrong.
Tank cleaners play an integral part in the gas freeing of marine vessels. While the onus is placed on the Marine Chemist to verify that spaces have been properly cleaned and gas freed, the cleaners perform the hard, dirty work to prepare spaces for inspection. In this video we discuss and demonstrate proper tank and piping gas freeing procedures and inspection techniques. We also touch on PPE, equipment, valves, and strainers seen and utilized during these procedures and inspections.