ML19319A840
| ML19319A840 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 05/11/1977 |
| From: | Baer R Office of Nuclear Reactor Regulation |
| To: | Goller K Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7912190890 | |
| Download: ML19319A840 (1) | |
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' DOCKET !40: 50-269/270/237 J
'ME!10RA!i30'i FOR:
.K.-R. Goller, Assistant Director for Operating EReactors,JDOR:
LTROMi R. L ' Baer, Chisf, Reactor Safety Branch, D0R
SUBJECT:
~ OCONEE 'FLAliT, ECCS EVALUATIO t PODEL CHMGE -
-PLANT iME: Oconee Muclear' Station bnits 1, 2 and 3 DOCKET: !40. :. 50-269/270/287
? RESP 0tiSIBLE BRANCH AtiD PROJECT MANAGER: ORB #1, J. D. fleighbors 10PERATIOllAL TECHf40 LOGY BRAMCH st(VOLVED: Reactor Safety REVIEW STATUS: 2 Complete lThe Reactor = Safety' Branch has' reviewed ~the applicability of the revised
, :ECCS evaluation model and the resultant change. in peak cladding tex.perature
-in~theE0conee Plant. The ' revision of the model consisted of the nodifications introdaced to the post-CHF heat transfer calculations.
Our review Lhas -Indicated that the revised model is applicable and the presentL0conce. Plant's Technical Specifications Acat the 10 CTR 50 Appendix K: criteria.
L'c have recently discussed with B&W another nodification. of the ECCS.
dodel due -to the change in the hydraulic resistance of the inlet
' nozzle" baffles. -- This SER does not cover this subject.
Original signed by
-[I Robert Eaer Robert L. Baer, Chief Reactor Safety Branch Division of 0;>erating Reactors -
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Enclosure:
cSafety Evaluation lcc::cVi Stello.
F. Coffman.
?D. Eisenhut S.' Weiss-.
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