The repairs had the following specifications:
|Structure||Lean Oil Make-Up Line|
|Installation||No Hot Work|
|Design Temperature||65 °C|
|Design Life||5 years|
|Loads||Crush load at pipe support considered in the design|
|Corrosion Type||External corrosion at pipe support|
|Defect Details||400mm x 100mm Designed for full section loss over 600mm through wall|
A rapid turn around with no shut down repair was required on a gas plant 80NB line. At the pipe support corrosion had occurred and an immediate repair was required that would provide a permanent repair solution.
In this case the operator required a 5 year design with Technowrap™ over external corrosion including an existing welded patch plate repair .
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