Risk Based Inspection (RBI) is intended to be a simple, logical, repeatable, documented method of determining equipment inspection frequencies and inspection scopes/methods. With consistent boiler tube thickness measurements, developed boiler tube engineering standards and well documented inspection/repair information, it is possible to set up an effective RBI program for predicting boiler component conditions and accurately plan boiler inspections/repairs far into the future. Inspection efforts are then concentrated, logically, on the documented ‘problem’ and high risk areas of the boiler. Inspection scopes and frequencies are reduced on the more benign, low risk areas. All boiler components will have documented and accepted justifications detailing how the component inspection scopes and frequencies were developed.

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