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Risk Based Inspection (RBI)

Risk Based Inspection (RBI) is a risk method, based on API RBD 581, to determine risk levels by considering the probability of failure or failure rate of the mechanical and pressurized system and the consequences of failures of those equipments. The results are then used to prioritize the inspection and maintenance time interval according to the criticality ranks and/or remaining life of the equipments. RBI is applicable for pressure vessels, piping, in-plant pipeline, tanks, heat exchangers, heater, and other pressurized system where the failure mode is leak or rupture causing the flammable or toxic material to release to the atmosphere, therefore, endangering people safety, environments, and assets. 




Benefit of RBI 

a. It improves the reliability and safety aspects. 

b. It increases the effectiveness and efficiency of inspection and maintenance programs.

c. It increases operational life time of the equipment (life extension program).

d. It improves the public trust to operator/owner performance because indicate open risk and integrity management.

e. It increases the company value since reliability is assured.

f. It decreases the inspection and maintenance cost.

g. It increase the equipment life time because the damage can be detected and identified earlier and thus more focus                       on risk.