ML20033B200
| ML20033B200 | |
| Person / Time | |
|---|---|
| Site: | Perry  |
| Issue date: | 10/30/1981 |
| From: | Houston M Office of Nuclear Reactor Regulation |
| To: | Davidson D CLEVELAND ELECTRIC ILLUMINATING CO. |
| References | |
| NUDOCS 8112010023 | |
| Download: ML20033B200 (3) | |
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Docket File NRC PDR OCT 3 0 1^31 LB#2 Local PDR Cocket Pos. 50-440 DEisenhut/RPurple USIC
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',, T,y. / ' 4; OELD I&E (3) i'r. Dalwyn R. Davidson
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Vice Presidant - Engincaring pN 4e V
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Py;uest for ldditional Ini~or'ation - Peactor P In the perforr.ance of the Perry licensing revie.I, the staff has identified concerns in regard to reactor physics.
The information that we require is identified in the enclosure.
t'e re iuest th i t you pro'ci 'e the inforntica not later *.han '.'wcrter 15, 1931.
If you require any clarification of this request, plcase contact me a t 301-492-3430.
Sincerely,
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L Li, Dean Houston, Project Snager Licensing Branch No. 2 Division of Licensing
Enclosure:
Request for Additional Information cc w/ enclosure:
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OCT 3 0 B31 Mr. Dalwyn R. Davidson Vice President, Engineering The Cleveland Electric Illumin; ting Company P. O. Box 5000 Cleveland, Ohio 44101 cc: Gerald Charnoff, Esq.
Shaw, Pittman, Potts & Trowbridge 1800 M Street, N. W.
Washington, D. C. 20006 Donald H. Hauser, Esq.
The Cleveland Electric Illuminating Company P. O. Box 5000 Cleveland, Ohio 44101 Resident Inspector's Office U.S.N.R.C.
Parmly at Center Road Perry, Ohio 44081 Donald T. Ezzone, Esq.
Assistant Prosecuting Attorney 105 Main Street Lake County Aeninistration Center Painesville, Ohio 44077 Tod J. Kenney 228 South College, Apt. A Bowling Green, Ohio 43402 Daniel D. Wilt Wegman, Hesiler & Vanderberg 7301 Chippewa Road, Suite 102 Brecksville, Ohio 44141 Robert Alexander OCRE Interim Representative 2030 Portsmouth Street Suite 2 Houston Texas 77098 Terry Lodge, Esq.
915 Spitzer Building Toledo, Ohio 43604 f
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QUESTIONS FOR PERRY 491.1 Provide a discussion of the Standby Liquid Control System.
(4. 3. 2.4)
The discussion should include a curve of the core baron concentration required to shut down the reactor from full power (assuming no control rod motion) at the time in life at which the greatest amount of boron is needed. Any differences between this curve and values-for hot shutdown conditions given in Table 3.4.3 of NEDE-24222, " Assessment of BWR Mitigation of ATWS, Volume 1," should be explained.
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