by Joel L. Andreani, P.E. / May 01, 2017

Published in 2016, the major revision (3rd Edition) to API 581, Risk-Based Inspection Methodology, includes many significant changes to Risk-Based Inspection (RBI) procedures, several of which affect RBI assessments of storage tanks. This article includes a general discussion of the API 581 revisions and a detailed discussion of the enhancements to E2G’s API RBI software affecting storage tanks.