Following up this article..Fukushima worker “The warranty period of the parts for coolant system is 1 year.”
The duct of reactor3 PCV gas control system got 8 holes, Tepco staff found at 12:19 6/19/2012 (JST).
Tepco states no leakage of gas from the duct because it’s negative pressure inside, but it is not known why the holes were made.
It is a part of the system to detect the possibility of recriticality in reactor3 and the concentration of hydrogen.
Tepco covered the holes with a tape as its first aid, but long-term solution was not mentioned.
↓ 2:30 ~
Iori Mochizuki