Foothold structure for maintaining LNG storage tank

摘要

A scaffolding structure which is installed in an LNG storage tank of a floating LNG offshore structure and is used to maintain the inner surface of the LNG storage tank, and is expanded by injecting air, and the outer surface when inflated is the inner surface of the LNG storage tank. A tubular frame portion facing the tubular frame, a tubular scaffold formed integrally with the tubular frame portion on the outer surface of the tubular frame portion so that an operator can climb, and expanding with the tubular frame portion, the tubular frame portion and the tubular shape Disclosed is a scaffold structure for LNG storage tank maintenance, comprising: a fixing part for fixing a scaffold to an inner surface of the LNG storage tank.;Scaffolding structure, tubular frame part, tubular scaffolding, fixing part