ML17037B970
| ML17037B970 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 10/10/1973 |
| From: | Anthony Giambusso US Atomic Energy Commission (AEC) |
| To: | Brosnan J Niagara Mohawk Power Corp |
| References | |
| Download: ML17037B970 (6) | |
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UNITED STATES ATOMIC ENERGY COMMISSION WASHINGTON, O.C.
20545 Docket No. 50-410 OCT 10 1973
'iagara Mohawk Power Corporation ATTN:
Mr. John J.
Brosnan Vice President
& Chief Engineer 300 Erie Boulevard Hest
- Syracuse, New York 13202 Gentlemen:
The Regulatory staff has had the subject of anticipated transients without scram (ATHS) in water-cooled reactor power plants under study for some time.
The staff has completed its review of ATHS and has concluded that measures should be taken to improve nuclear plant designs in this regard.
Details of the staff. review and conclusions and of the steps that should be taken to deal with ATHS are given in the staff "Technical Report on Anticipated Transients Hithout Scram for Hater-Cooled Power Reactors,"
September
- 1973, a copy of which is enclosed for your information.
The improvement measures acceptable to the staff are outlined in the staff position on ATHS, Appendix A, of the enclosed report in descending order of preference; that is, the "A" sections of the staff position describe the ultimate objective.
For those. facilities for which the imposition of the requirements of the "A" sections is not practical, the staff will accept the alternate approaches of the "B" or "C" sections subject to the limitations specified in the staff position.
The rationale and bases for this approach are given in the enclosed report.
Acceptable measures that should be taken for the subject facility(s) are either those in the "A" or the "B" sections of the staff position.
If there is reasonable assurance that the provisions of the "A" sections can be met satisfactorily on a schedule consistent with that of the subject facility(s), you need not analyze the consequences of ATHS.
You must,
- however, provide sufficient analyses and discussion to justify
Niagara Mohawk Power Corporation ~~> >0 1973 your position and a commitment that you will meet'he provisions of the "A" sections or revert to the provisions of the "B" sections if required by the staff.
You should advise the staff by no later than January 1, 1974, of the approach you intend to take and submit a detailed report addressing fully, either the "A" or "B" sections of the staff position by October 1, 1974, as an amendment to the Safety Analysis Report.
The staff is prepared to discuss this matter with you at a mutually agreeable time.
Sincerely, A. Giambusso, eputy Director for Reactor Projects Directorate of Licensing
Enclosure:
e Technical Report on ATWS for Water-Cooled Power
- Reactors, September 1973 cc:
Arvin E. Upton, Esq.
Eugene B. Thomas, Jx.,
Esq.
James P. McGranery, Jr.,
Esq.
- LeBoeuf, Lamb, Leiby & MacRae 1821 Jefferson Place, N.
W.
Washington, D.
C.
20036 J.
Bruce MacDonald, Esq.,
Deputy Commissioner and Counsel New York State Department of Commerce 99 Washington Avenue
- Albany, New York 13126 Ecology Action c/o Mr. Richard Goldsmith Syracuse University College of Law E. I. White Hall, Campus
- Syracuse, New York 13210 Oswego City Library 120 East Second Street
- Oswego, New York 13126
'IQ N
Distribution:
BWR-2 File V. A. Moore J. Hendrie A. Eenneke D. Ziemann D. Eisenhut OGC RO (3)
W. Kane H. Smith (4)
BUR Branch Chiefs J. Panzarella ACRS (16)
F. Schroeder TR Assistant Directors Docket File
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