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5B.9 C'ONFIGUIXAI'ION MANAGEhlENT BASES<br />

5B.9.1 Reauirement for Configuration - Management BASES<br />

The safety analvsis <strong>of</strong> the FSAR makes assumptions about the confiwr3tion and<br />

operation <strong>of</strong> SC-1/2 and SC-3 SSCs. The confimration <strong>of</strong> this eauipment is maintained<br />

to ensure that FSAR assunmtions are valid. The hazard evaluation <strong>of</strong> the<br />

BUILDING 991 COMPLEX assumes that the current confimration <strong>of</strong> identified<br />

hazardlenerm sources is maintained to ensure that hazards: (a) remain separated from<br />

hazardous material: (b) remain remote from CW and public; (c) remain relativelv low<br />

temperature; (d) remain relatively low pressure: and (e) remain separate from radioactive<br />

material.<br />

5B.9.2 CREDITED PROGRAMMATIC ELEMENTS BASES<br />

The safe@ and technical review process for design modificatioiis on or potentially<br />

imoactinr! SC-1/2 and SC-3 SSCs ensures that the SSCs will continue to perform their<br />

credited and/or intended hnctions afler modification <strong>of</strong> equiurnent in the<br />

BLZDING99I COMPLEX. This maintains the facilitv safetv basis even thou&<br />

SC-1/2 and SC-3 SSC-ininacting modifications are planned.<br />

Revision 1 A-133<br />

Scntcmber I999<br />

Building 991 Complex FSAR<br />

Appendix A

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