ML20139A314

Forwards SE Re 10CFR50,App J,Local Leakage Rate Testing Requirements for Penetrations X-204A,X-204B,X-204C,X-210A & X-210B at Plant,Unit 1

ML20139A314
Person / Time
Site:	Millstone
Issue date:	04/23/1997
From:	Stephen Dembek NRC (Affiliation Not Assigned)
To:	Carns N, Laudenat R NORTHEAST NUCLEAR ENERGY CO.
Shared Package
ML20138A018	List: ML20138A011 ML20139A314
References
TAC-M89398, NUDOCS 9704250195
Download: ML20139A314 (4)

Text

- .

Mr. Neil S. Carns e.

Senior Vice President APtil 23' 1997 T .

and Chief Nuclear Officer Northeast Nuclear Energy Company c/o Mr. Richard T. Laudenat-L Director - Regulatory Affairs P. 0.-Box 128 .,

Waterford, CT 06385 i t c

SUBJECT:

10 CFR PART'50, APPENDIX J, LOCAL LEAKAGE RATE TESTING l REQUIREMENTS'FOR PENETRATIONS X-204A, X-2048, X-204C, X-210A, AND X-210B AT MILLSTONE NUCLEAR POWER STATION, UNIT 1 (TAC NO. M89398)

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Dear Mr.'Cayns:

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. t; . >'a 9. , 9-NortheastlNuclear,EnergyCompany'.s'(NNECO's) April 20, 1994, letter notified

! the NRC',jin'part,_that 14 containment isolation valves (CIVs) in containment l l pene'trations X-204A,~X-204B, X-204C',gX-210Avand X-210B would be excluded from l 10 CFR,Part 50,, Appendix .J, 0ptiori A,iType C (local leakage rate) testing.

j NNEC0's' justification for this position was, in part, that the lines terminate L below the minimum water level.in' the suppression pool and, being water-sealed, do not constitute. potential l leakage) pathways for containment atmosphere during a design. basis accident. *The letter.also requested exemptions from the requirements of Appendix J for four containment penetrations. The exemption requests _were~ withdrawn in NNECO's' December 27, 1995, letter. However, the NRC staff continued reviewing NNECO's' conclusion that tiie 14 CIVs did not require Appendix J testing.

.The NRC staff has completed its review and agrees with NNEC0's position that 1these CIVs do'not, require Appendix J testing. The staff's evaluation '

supporting this conclusion is enclosed. This closes TAC N0. M89398.

Sincerely, l

Original signed by:

Stephen Dembek, Project Manager

Special Projects Office - Licensing-l Office of Nuclear Reactor Regulation i .

Docket No. 50-245 i

Enclosure:

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% April 23, 1997 Mr. Neil S. Carns Senior Vice President and Chief Nuclear Officer i Northeast Nuclear Energy Company c/o Mr. Richard T. Laudenat Director - Regulatory Affairs P. O. Box 128 Waterford, CT 06385

SUBJECT:

10 CFR PART 50, APPENDIX J, LOCAL LEAKAGE RATE TESTING RE@lRtMENTS FOR PENETRATIONS X-204A, X-2048, X-204C, X-210A, AND X-210B AT MILLSTONE NUCLEAR POWER STATION, UNIT 1 (TAC NO. M89398)

Dear Mr. Carns:

Northeast Nuclear Energy Company's (NNECO's) April 20, 1994, letter notified the NRC, in part, that 14 containment isolation valves (CIVs) in containment penetrations X-204A, X-2048, X-204C, X-210A, and X-210B would be excluded from 10 CFR Part 50, Appendix J, Option A, Type C (local leakage rate) testing.

NNECO's justification for this position was, in part, that the lines terminate below the minimum water level in the suppression pool and, being water-sealed, do not constitute potential leakage pathways for containment atmosphere during -

a design basis accident. The letter also requested exemptions from the requirements of Appendix J for four containment penetrations. The exemption requests were withdrawn in NNECO's December 27, 1995, letter. However, the NRC staff continued reviewing NNECO's conclusion that the 14 CIVs did not require Appendix J testing.

The NRC staff has completed its review and agrees with NNEC0's position that these CIVs do not require Appendix J testing. The staff's evaluation supporting this conclusion is enclosed. This closes TAC NO. M89398.

( Sincerely, Stephen Dembek, Project Manager Special Projects Office - Licensing Office of Nuclear Reactor Regulation Docket No. 50-245

Enclosure:

As stated-l

cc w/ enc 1

See next page

t Northeast Nuclear Energy Company Millstone Nuclear Power Station Unit I cc:

Lillian M. Cuoco, Esquire Mr. Wayne D. Lanning Senior Nuclear Counsel Deputy Director of Inspections Northeast Utilities Service Company Special Projects Office P. O. Box 270 475 Allendale Road Hartford, CT 06141-0270 King of Prussia, PA 19406-1415 Mr. Kevin T. A. McCarthy, Director Mr. F. C. Rothen Monitoring and Radiation Division Vice President - Nuclear Work Department of Environmental Services Protection' Northeast Nuclear Energy Company 79 Elm Street P. O. Box 128 Hartford, CT 06106-5127 Waterford, CT 06385 Mr. Allan Johanson, Assistant Ernest C. Hadley, Esquire Director 1040 B Main Street Office of Policy and Management P. O. Box 549 Policy Development and Planning West Wareham, MA 02576 Division 450 Capitol Avenue - MS# 52ERN Mr. John Buckingham P. O. Box 341441 Department of Public Utility Control Hartford, CT 06134-1441 Electric Unit 10 Liberty Square Regional Administrator New Britain, CT 06051 Region I .

U.S. Nuclear Regulatory Commission Mr. J. K. Thayer 475 Allendale Road Recrvery Officer - Nuclear King of Prussia, PA 19406 Engineering and Support Northeast Nuclear Energy Company 1 First Selectmen P. O. Box 128 Town of Waterford Waterford, CT 06385 Hall of Records 200 Boston Post Road Mr. B. D. Kenyon Waterford, CT 06385 President and Chief Executive Officer Mr. D. M. Goebel Northeast Nuclear Energy Company Vice President - Nuclear Oversight P. O. Box 128 Northeast Nuclear Energy Company Waterford, Connecticut 06385 P. 0. Box 128 '

Waterford, CT 06385 Senior Resident Inspector Millstone Nuclear Power Station Mr. J. McElwain c/o U.S. Nuclear Regulatory Millstone Unit No.1 Nuclear Commission Recovery Officer P.O. Box 513 Northeast Nuclear Energy Company Niantic, CT 06357 P. O. Box 128 Waterford, CT 06385

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lt Northeast Nuclear Energy Company Millstone Nuclear Power Station  !

l Unit 1 i cc:

The Honorable Terry Concannon Mr. Evan Woolacott Co-Chairs Nuclear Energy Advisory Council ,

Room 4035 Legislative Office Building l l -Capitol Avenue Hartford, Connecticut 06106 Citizens Regulatory Commission l ATTN: Ms. Susan Perry Luxton 180 Great Neck Road -

Waterford, Connecticut C6385 ,

{

Deborah Katz, President Citizens Awareness Network l P. O. Box 83 l Shelburne Falls, MA 03170 l

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