Abstract
Main committee of Power Generation Facility Code (MC-PGFC) of Japan Society of Mechanical Engineers (JSME) made a roadmap in 2007 to enhance pipe wall thinning management rules after establishing management rules. JSME Research Committee for improving Pipe-Wall-Thinning Management drafted a revised version of the roadmap based on the questionnaire on March 2014. This paper shows summary of the questionnaire and the roadmap.