Evaluation of Worker Radiation Exposure during the Kori Unit 1 Steam Generator Dismantling Process

Table 1

The SG dismantling scenario processes.

Process	The number of workers
Install temporary auxiliary crane	2
Install temporary lifting device of SG	2
Install rail and transportation cart	2
Install protection plate	2
Remove SG thermal insulation	3
Transport SG thermal insulation	8
Cut main steam pipe	2
Cut main water supply pipe	2
Cut others pipe	2
Cut RCS pipe (cold leg)	2
Cut RCS pipe (hot leg)	2

SG: steam generator. RCS: reactor coolant system.