The First taking-out of serveillance test pieces from the secondary cooling system (1)

*; Setoguchi, Keiichi; *; *; *; *; Miyaguchi, Kimihide

PNC TN941 82-270, 109 Pages, 1982/12

PNC-TN941-82-270.pdf:10.59MB

Following surveillance tests ought to be performed five times during twenty years operation of Joyo. (1)Surveillance test of reactor vessel (2)Surveillance test of safety vessel (3)Surveillance test of primary main cooling system (4)Surveillanee test of secondary cooling system The first taking-out of surveillance test pieces from the secondary dump tank was carried out from Feb. 22 to Mar. 10, 1982, based on the surveillance test, program of secondary cooling system. We had to perform the work under the conditions such as the sodium filled in the dump tank and to protect the air from coming into the tank. This report describes the details of the working processes.