Design Change and Operational Consideration of the HVAC System during Nuclear Power Plant Decommissioning

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">System</td><td class="align_center">Remove</td><td class="align_center">Maintenance</td><td class="align_center">New installation</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">RCB HVAC and purge</td><td class="align_center">RCFC (2 EA), CEDM cooling fan, reactor cavity fan</td><td class="align_center">RCFC (2 EA), SG enclosure R/C fan, annulus area R/C fan, all of purge system, ESFAS or alternative</td><td class="align_center">Portable temporary HVAC units, air discharge and intake duct for RCB purge system on each floor, duct for portable temporary HVAC units</td></tr><tr><td class="align_left">FHB HVAC</td><td class="align_center">—</td><td class="align_center">All system, ESFAS</td><td class="align_center">—</td></tr><tr><td class="align_left">MCR HVAC</td><td class="align_center">Supply AHU (1 train), emergency make up ACU (2 trains), smoke removal fan, MCR recirculation duct, ESFAS</td><td class="align_center">Supply AHU (1 train), exhaust fan</td><td class="align_center">Temporary HVAC units</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Design considerations for decommissioning.</div>

Science and Technology of Nuclear Installations

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Table 2

Table 2: Design Change and Operational Consideration of the HVAC System during Nuclear Power Plant Decommissioning 