Research Article
Evaluation of Worker Radiation Exposure during the Kori Unit 1 Steam Generator Dismantling Process
Table 6
SG dismantling working time.
| Work | Man-hour |
| Install of temporary auxiliary crane | 4 | Installation of temporary lifting device of SG | 80 | Install of rail and transportation cart | 24 | Install protection plate | 12 | Remove SG thermal insulation | 9 | Transport SG thermal insulation | 8 | Cut main steam pipe | 8 | Cut main water supply pipe | 4 | Cut others pipe | 9 | Cut cold leg pipe | 9.5 (remote) + 13.5 | Cut hot leg pipe | 10.5 (remote) + 13.5 |
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SG: steam generator.
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