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Regional Basic Professional Training Course in Korea

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<strong>Regional</strong> <strong>Basic</strong> <strong>Professional</strong> <strong>Tra<strong>in</strong><strong>in</strong>g</strong> <strong>Course</strong> (BPTC) on Nuclear Safety<br />

(3) the capability to prevent or mitigate the consequences of accidents that could<br />

result <strong>in</strong> potential offsite exposures<br />

6.4.2. Seismic Categorization to SSCs<br />

The follow<strong>in</strong>g SSCs of a nuclear power plant, <strong>in</strong>clud<strong>in</strong>g their foundations and supports,<br />

are designated as Seismic Category I and must be designed to withstand the effects of the<br />

SSE and rema<strong>in</strong> functional. The titles and functions of these Seismic Category I SSCs for<br />

LWR designs are based on exist<strong>in</strong>g technology from prior applications. Certa<strong>in</strong> SSCs<br />

previously considered Seismic Category I may no longer have a safety‐related function<br />

requir<strong>in</strong>g Seismic Category I classification, and certa<strong>in</strong> passive SSCs <strong>in</strong> new LWR<br />

designs may be titled differently.<br />

The pert<strong>in</strong>ent quality assurance requirements of Appendix B to 10 CFR Part 50 shall<br />

apply to all activities affect<strong>in</strong>g the safety‐related functions of these SSCs:<br />

a. the reactor coolant pressure boundary<br />

b. the reactor core and reactor vessel <strong>in</strong>ternals<br />

c. systems or portions thereof that are required for (1) emergency core cool<strong>in</strong>g, (2)<br />

post‐accident conta<strong>in</strong>ment heat removal, or (3) post‐accident conta<strong>in</strong>ment<br />

atmosphere cleanup (e.g., hydrogen removal system)<br />

d. systems or portions thereof that are required for (1) reactor shutdown, (2) residual<br />

heat removal, or (3) cool<strong>in</strong>g the spent fuel storage pool<br />

e. boil<strong>in</strong>g‐water reactors<br />

f. those portions of the steam and feedwater systems of pressurized‐water reactors<br />

extend<strong>in</strong>g from and <strong>in</strong>clud<strong>in</strong>g the secondary side of steam generators up to and<br />

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