Development of Safe Inspection Standards and FFS Assessment Procedures in Japan

Recently, Codes and Standards for FFS assessment has been developing and applied in United States and other countries such as API RP579 as a series of maintenance procedures for pressure equipment. Activities developing FFS assessment procedures are progressing, but have not been authorized to apply actual maintenance of pressure equipment in Japan. This paper presents recent activities developing safe inspection system for high pressure equipment, typical examples of troubles due to metal loss damages and some problems of FFS assessment in maintenance works in Japan.Copyright © 2005 by ASME