ML17213B352
| ML17213B352 | |
| Person / Time | |
|---|---|
| Site: | Saint Lucie  |
| Issue date: | 04/26/1983 |
| From: | Clark R Office of Nuclear Reactor Regulation |
| To: | Robert E. Uhrig FLORIDA POWER & LIGHT CO. |
| Shared Package | |
| ML17213B353 | List: |
| References | |
| TASK-1.C.1, TASK-TM NUDOCS 8305110128 | |
| Download: ML17213B352 (7) | |
Text
APR 9 6 1983 Docket Ho.60-335 Dr. Robert E. Uhrig, Vice President Advanced Systems and Technology Florida Power and Light Company P. 0. Box 1400 Juno Beach, Florida 33408
Dear Dr. Uhrig:
SUBJECT:
NATURAL CIRCULATION COOLDOMN The staff has completed its review of your analyses of upper head voiding under natural circulation cooldown conditions.
Vour submittals of August 25, September 16, October 17, and December 30, 1980.
February 9, 1981 and March l.
1983 were in response to our requests for additional information of July 8, 1980 and January 3, 1983.
Based on our review, we have concluded that your analyses are acceptable.
This conclusion is based upon your responses and the vendor's analyses that demonstrate compliance to present regulatory requirements.
This review did not include a review of guidelines and procedures that will be reviewed as a part of THI Action Item I.C.1.
As a part of this effort, you should review your programs to assure and confirm that the following items have been addressed:
a) how voiding occurs and its consequences, b) signs that voiding is occurring, c) discussion of procedures to prevent and mitigate voidingg d) discussion of the St. Lucie 1 event of June 11, 1980.
and e) proper simulator modelling of upper head voiding.
It is requested that the review of your programs be completed and a written confirmation that the above items have been addressed in your guidelines and procedures be provided within sixty (60) days of receipt of this letter.
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.. Dr. Robert E. Uhrig Our Safety Evaluation is enclosed.
Enclosure:
As stated Sincerely, priy'nai s'Cn~ >>I Robert A. Clark, Chief Operating Reactors Branch ¹3 Division of Licensing cc:
See next page DISTRIBUTION
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Docket No. 50-335 Dr. Robert E. Uhrig, Yice President Advanced Systems and1,Technology Florida Power and Light Company P. 0.
Box 1400 Juno Beach, Florida 33 08
Dear Dr. Uhrig:
SUBJECT:
NATURAL CIRCULAT ON COOLDOWQ DISTRIBUTION Docket File Local PDR ORB b3 Rdg D.Eisenhut JHeltemes RAClark PKreutzer (3)
OELD NSIC E.L. Jordan J.M.Tay'lor (1)
ACRS (10)
DSells Gray File The staff has completed its review of your analyses of upper head voiding under natural circulation co ldown conditions.
Your submittals of August 25, September 16 October 17 and 0(camber 30,
- 1900, February 9, 1991 and atarch 1,
1983 were in response to our request for additional information of July 8, 1980 and January 3, 1983.
Based on our review, we have concluded that your analyses are acceptable.
This conclusion is based upon your responses and the vendor's analyses that demonstrate compliance to present regulatory requirements.
This review did not include a review of guidelines and procedures that will be reviewed as a part of TMI Action, Item I.C.1.
as a part of this effort, you should review your programs to assure and confirm that the following items have been addressed:
a) how voiding occurs and its onsequences, b) signs that voiding is occurin c) discussion of procedures to prevent and mitigate
- voiding, d) discussion of the St. Lucie 1 ev t of June 11, 1980, and e) proper simulator modelling of upper head voiding.
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Our Safety Evaluation is>>enclosed.
Sincerely, Robert A. Clark, Chief Operating Reactors Branch P3 Division of Licensing OFF ICED SURNAME/
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Florida Power 5 Light Company CC:
Harold F. Reis, Esquire Lowenstein,
- Newman, Reis 8 Alexrad 1025 Connecticut
- Avenue, N.W.
Washington, D. C.
20036 Norman A. Coll, Esquire McCarthy, Steel, Hector 8 Davis 14th Floor, First National Bank Building Miami Florida 33131 Mr. Jack Schreve Office of the Public Counsel Room 4, Holland Building Tallahassee, Florida 32304 Resident Inspector c/o U.S.N.R.C.
7900 S. AIA Jensen Beach, Florida 33457 Administrator Department of Environmental Regulation Power Plant Siting Section State of Florida 2600 Blair Stone Road Tallahassee, Florida 32301 Mr. Weldon B. Lewis County Administrator St. Lucie County 2300 Virginia Avenue, Room 104 Fort Pierce, Florida 33450 U.S. Environmental Protection Agency Region IV Office ATTN:
Regional Radiation Representative 345 Courtland Street, N.E.
Atlanta, Georgia 30308
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Mr. Charles B. Brinkman Manager - Washington Nuclear Operations C-E Power Systems Combustion Engineering, Inc.
7910 Woodmont Avenue
- Bethesda, Maryland 20814 Regional Administrator Nuclear Regulatory Commission, Region II Office of Executive Director for Operations 101 Marietta Street; Suite 3100 Atlanta, Georgia 30303 State Planning and Devel pment Clearinghouse Office of Planning and Budgeting Executive Office of the Governor The Capitol Building Tallahassee, Florida 32301