This recommended practice is primarily intended for those with responsibilities in the planning, implementation and acceptance of vessel inspections. It is aimed at the inspection of welded vessels constructed from metals, and related items, fittings and connections associated with them. The document is equally applicable to forged/spun metal pressure vessels, which contain no welds, as well as storage tanks and large diameter pipelines.
Although not intended to be covered by this document, some aspects of this recommended practice may also be applicable to vessels manufactured from other materials and plant items other than pressurised equipment, in which case some of the general principles developed may well still apply.
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