Deadlegs: not just a hazard in football

The plant was made safe. An oil leak was traced to a ¼” diameter hole at the lower end of a pipework elbow. The line was rarely used and had been left stagnant with liquid creating a deadleg corrosion trap.

Deadlegs can result in rapid corrosion and can arise as a result of:

• design errors
• the effects of normal operations
• a change in designed operating mode
• plant changes
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