Suppression chamber repair method and repair system in suppression chamber dry inspection method and inspection system

摘要

PPROBLEM TO BE SOLVED: To provide a repair method and a repair system in a dry inspection engineering method and an inspection system for a suppression chamber where the number of makeshift facilities is decreased, storage areas of the makeshift facilities are reduced and working environment is improved to reduce the time and efforts for treating wastes generated through repainting. PSOLUTION: The repair system in the dry inspection system for the suppression chamber 4 has a recovery means 20 to recover clad from inside the water in the suppression chamber 4, a car gondola 7 and a lifter 8 as a hoisting and lowering device installed on a diaphragm floor 5 to allow workers to move up and down in the suppression chamber 4, a releasant application means 9 to apply a releasant for peeling coating films at prescribed points in the suppression chamber 4, a scraper 10 to scrape the points to which the releasant is applied, a blaster 11 to pound a blast into an exposed layer made through the application of the releasant and a painting means 12 to repaint the prescribed points in the suppression chamber 4. Workers carry out a peeling process, a blast process and a painting process in order of mention while they are moving up and down on the car gondola 7 or the lifter 8. PCOPYRIGHT: (C)2006,JPO&NCIPI