ML18348A788
| ML18348A788 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 03/30/1977 |
| From: | Hoffman D Consumers Power Co |
| To: | Schwencer A Office of Nuclear Reactor Regulation |
| References | |
| Topical Report XN-76-44(A) | |
| Download: ML18348A788 (1) | |
Text
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..;I consumers
!Plower company General Offices: 212 West *Michigan Avenue, Jackson, Michigan 49201 *Area Code 517 788;0550 March 30'. 1977R£GUlATQRY DOrJ(EJ fll.t CiJPY Director of Nuclear Reactor Regulation Att:
Mr Albert Schwencer, Chief Operating Reactor Branch No 1 US Nuclear Reguiatory Commission Washington, DC 20555 DOCKET 50-255 - LICENSE DPR-20 PALISADES PLANT -
EXXON ECCS EVALUATION MODEL As requested in your December.20, 1976 letter, a reevaluation of the* PaJ.isades Nuclear Plant ECCS system has been pe!'formed by Exxon Nuclear Company using an NRC staff approved model that.precludes the return to nucleate boiling during blowdovm. after c.ritical heat flU:X has been predicted.
This reevaluation is documented in the topical report XN-76-44(A),* entitled "Revised Nucleate Boiling Lo.ckout for ENC WREM-Based ECCS *Evaluation Models," dated February.1977 and transmitted directly by Exxon to Mr *George Lear, DOR~ by letter dated February*S,
- 1977.
The reference report should complete questions on this subject.
David P Hoffman Assistant Nuclear Licensing Administrator CC:
- JGkeppler, USNRC