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

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Work</td><td class="align_center">Man-hour</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Install of temporary auxiliary crane</td><td class="align_center">4</td></tr><tr><td class="align_left">Installation of temporary lifting device of SG</td><td class="align_center">80</td></tr><tr><td class="align_left">Install of rail and transportation cart</td><td class="align_center">24</td></tr><tr><td class="align_left">Install protection plate</td><td class="align_center">12</td></tr><tr><td class="align_left">Remove SG thermal insulation</td><td class="align_center">9</td></tr><tr><td class="align_left">Transport SG thermal insulation</td><td class="align_center">8</td></tr><tr><td class="align_left">Cut main steam pipe</td><td class="align_center">8</td></tr><tr><td class="align_left">Cut main water supply pipe</td><td class="align_center">4</td></tr><tr><td class="align_left">Cut others pipe</td><td class="align_center">9</td></tr><tr><td class="align_left">Cut cold leg pipe</td><td class="align_center">9.5 (remote) + 13.5</td></tr><tr><td class="align_left">Cut hot leg pipe</td><td class="align_center">10.5 (remote) + 13.5</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>SG: steam generator.<br/></div></td></tr></table>

Science and Technology of Nuclear Installations

tab6

Table 6

Table 6: Evaluation of Worker Radiation Exposure during the Kori Unit 1 Steam Generator Dismantling Process 