Assessing the Impact of Common Cause Failures on Site Risk within Level 1 Multi-Unit PSA

<table class="table-group" id="tab9"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Event</td><td class="align_center">Site CDF</td><td class="align_center">% CCFs</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">LOOP</td><td class="align_center">2.926<i>E</i> − 04</td><td class="align_center">4.58</td></tr><tr><td class="align_left">SBO</td><td class="align_center">2.083<i>e</i> − 9</td><td class="align_center">17.19</td></tr><tr><td class="align_left">LOOP/SBO</td><td class="align_center">2.926<i>E</i> − 04</td><td class="align_center">4.58</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Percentage contribution of CCF to site CDF in various events.</div>

Science and Technology of Nuclear Installations

tab9

Table 9

Table 9: Assessing the Impact of Common Cause Failures on Site Risk within Level 1 Multi-Unit PSA 