ML20246P634

Forwards SER Re Generic Ltr 83-28,Item 4.5.3, Reactor Trip Sys Reliability for All Domestic Operating Reactors. Existing Intervals for on-line Functional Testing at Plant Consistent W/Achieving High Reactor Trip Sys Availability

ML20246P634
Person / Time
Site:	Seabrook
Issue date:	09/06/1989
From:	Nerses V Office of Nuclear Reactor Regulation
To:	Ellen Brown PUBLIC SERVICE CO. OF NEW HAMPSHIRE
References
GL-83-28, TAC-63417, NUDOCS 8909110193
Download: ML20246P634 (4)

Text

.. -

o 5- September 6, 1989

,3 7 00-c d No. 50-443

~ . Mr. Edward A. Brown President & Chief. Executive Officer New Hampshire Yankee Division Public Service Company of New Hampshire Post Office Box 300 Seabrook, New Hampshire 03874

SUBJECT:

SAFETY EVALUATION FOR GENERIC LETTER 83 28. ITEM 4.5.3, REACTOR TRIP RELIABILITY . ON-LINE FUNCTIONAL TESTING 0F THE REACTOR TRIP SYSTEM (' TAC NO. 63417)

Generic Letter 83 28, Ites 4.5.3, required confirmation from all licensees and applicants that on-line functional testing of reactor trip system, including independent testing of the diverse trip feature, was being performed.

By letters dated November 4,1983 and March 4,1986, you submitted responses to Generic Letter 83-28, Item 4.5.3. Therein-you indicated ycur endorsement of the W Owners' Groups Report EGG-NTA-8344, as being applicable to the Seabrool Station. The NRC staff, with the assistance of our contractor, Idaho National Engineering Laboratory, has reviewed your responses and the Seabrook Station Owners Group's report. We conclude that the existing intervals for on-line functional testing at the Seabrook Station are consistent with achieving high reactor trip system availability.

The enclosed safety evaluation and contractor's report (EGG-NTA 8341) provide the details and basis for our conclusion. Therefore, we consider Generic Letter 83-28, Item 4.5.3 to be complete.

This completes all staff activities related to TAC No. 63417.

Sincerely, Victor Nerses, Senior Project Manager Project Directorate I-3 Division of Reactor Projects I/II Office of 'iuclear Reactor Regulation

Enclosures:

1. Safety Evaluation

2. Technical Evaluation Report cc w/ enclosures:

See next page g

DISTRIBUTION: Dockelfile7NRC PDR, Local PDR, SVarga, BBoger, RHWessman, eI VNerses, MRustMook,'0GC, BCrimes, EJordan, ACRS (10), BLHozafari, MMejac

• See previous concurrence 7 e/

OFC :NRR:PDl.3* :NRR:PDI-3 :PDI / , :PDI.3/D  :  :  :

..-.:-..-........:.....-......:..ds.

NAME

MRushbrook :AChu (pf et b  ::PWes  :  :  :

%..-:............:......{...--:............:.....f.n - .....:.....-------:--..........:..-...-....

hDATE :9/05/89 :9/4 /89 :9///89 :9/4/89  :  :  :

8909120193 690906 FDR ADOCK 05000443 P

L EDO __ .__

I(J . * ~

• . ,,e

._ ,, 'o,, UNITO STATES -

! n NUCLEAR REGULATORY COMMISSION

, F wasumarok,n.c. zones 9 .,,

\ ,,,,,+ September 6, 1989 Docket No. 50-443 Mr. Edward A. Brown -

President & Chief Executive Officer New Hampshire Yankee Division Public Service Company of New Hampshire Post Office Box 300

' Seabrook, New Hampshire 03874

SUBJECT:

SAFETY EVALUATION FOR GENERIC LETTER 83-28. ITEM 4.5.3, REACTOR TRIP RELIABILITY - ON-LINE FUNCTIONAL TESTING OF THE REACTOR TRIP SYSTEM (TAC NO. 63417)

Generic Letter 83-28. Item 4.5.3, required confirmation from all licensees and applicants that on-line functional testing of reactor trip system, including independent testing of the diverse trip feature, was being performed.

By letters dated November 4,1983 and March 4,1986, you submitted responses to Generic Letter 83-28, Item 4.5.3. Therein you indicated your endorsement of the W Owners' Groups Report EGG-NTA-8344, as being applicable to the Seabrool Station. The NRC staff, with the assistance of our contractor, Idaho National Engineering Laboratory, has reviewed your responses and the Seabrook Station Owners Group's report. We conclude that the existing intervals for on-line functional testing at the Seabrook Station are consistent with achieving high reactor trip system availability.

The enclosed safety evaluation and contractor's report (EGG NTA 8341) provide the details and basis for our conclusion. Therefore, we consider Generic Letter 83-28, Item 4.5.3 to be complete.

This completes all s+aff activities related to TAC No. 63417.

Sincerely,

,s .

. ( p y/t fktso VinorNirses,SeniorProjectManager f

Project Directorate I-3 Division of Reactor Projects I/II Office of Nuclear Reactor Regulation

Enclosures:

1. Safety Evaluation

2. Technical Evaluation Report cc w/ enclosures:

See next page I

g e;

+:  ;

a4

' Mr. Edward A. Brown cc w/ enclosures:

Thomas Dignan, Esq. E. Tupper Kinder, Esq.

John A. Ritscher, Esq. G. Dana Bisbee, Esq.

Ropes and Gray Assistant Attorney General 225 Franklin. Street Office of Attorney General Boston, Massachusetts 02110 208 State House Annex Mr. Bruce B.' Beckley, Project . Manager Public Service Company of New Hampshire Mr. A. M. Ebner, Project Manager Post Office Box 330 United Engineers & Constructors Manchester, New Hampshire 03105 Post Office Box 8223 Philadelphia, Pennsylvania 19101 Dr. Mauray Tye, President Sun Valley Association Steven Oleskey, Esq.

209 Summer Street- Office of the Attorney General Haverhill, Massachusetts 01830 One Ashburton Place P. O. Box 330 Robert-Backus, Esq. Boston, Massachusetts 02108 Backus,.Meyer and Solomon 116 Lowell Street Carol S. Sneider, Esq.

Manchester, New Hampshire 03106 Office of the Assistant Attorney General One Ashburton Place Diane Curran, Esq. P. 0 Box 330 Harmon and Weiss Boston, Massachusetts 02108 2001.S Street, NW Suite 430 D. Pierre G. Cameron, Jr., Esq.

Washington, D.C. 20009 General Counsel Public Service Company of New Hampshire Philip Ahren, Esq. Manchester, New Hampshire 03105 Assistant Attorney General State House, Station #6 Mr. James M. Peschel Augusta, Maine 04333 Public Service Company of New Hampshire P. O. Box 300 Seacoast Anti-Pollution League Seabrook, New Hampshire 03874 5 Market Street Portsmouth, New Hampshire 03801 Regional Administrator, Region I U.S. Nuclear Regulatory Commission Ms. Diana P. Randall 475 Allendale Road 70 Collins Street King of Prussia, Pennsylvania 19406 Seabrook, New Hampshire 03674 Ashod N. Amirian, Esq.

Mr. T. Feigenbaum Town Counsel for Merrimac Public Service Company of New Hamsphire 376 Main Street Post Office Box 330 Haverhill, Massachusetts 08130 Seabrook, New Hampshire 03874 Mr. Calvin A. Canney, City Manager Resident Inspector City Hall U.S. Nuclear Regulatory Comission 126 Daniel Street Seabrook Nuclear Power Station Portsmouth, New Hampshire 03801 Post Office Box 1149 Stabrook, New Hampshire 03874

n,

L y 4

, .a s Mr. Edward A. Brown cc w/ enclosures:-

Board of Selectmen- Mr. Alfred V. Sargent, RFD Dalton Road Chairman Brentwood, New Hampshire .03833 Board of Selectmen Town of Salisbury, Massachusetts 01950 Ms. Suzanne Breiseth,

, . Board of Selectmen Senator Gordon J. Humphrey Town of Hampton Falls ATTH: Tom Burack-Drinkwater Road- 531 Hart Senate Office Building Hampton Falls, New Hampshire 03844 U.S. Senate.

Mr. Cuy Chichester, Chairman Rye Nuclear Intervention Mr. Owen B. Durgin, Chairman Committee Durham Board of Selectmen c/o Rye Town Hall Town of Durham 10 Central Road Durham, New Hampshire 03824 Rye, New Hampshire 03870 Jane Spector Chairman, Board of Selectmen Federal Energy Regulatory Commission RFD 2 825 North Capital Street, N.E.

South Hampton, New Hampshire 03827 Room 8105 Washington, D.C. 20426 R. Scott Hill - Whilton Lagoulis, Clark, Hill-Whilton Mr. R. Sweeney

& McGuire Three Metro Center

'79 State Street Suite 610 Newburyport, Massachusetts 01950 Bethesda, Maryland 20814 Ms. R. Cashman, Chairman Mr. Richard Strome, Director Board of Selectmen New Hampshire Office of Emergency Town of Amesbury Management Town Hall State Office Park South Amesbury, Massachusetts 01913 107 Pleasant Street Concord, New Hampshire 03301 Honorable Peter J. Matthews Mayor, City of Newburyport Adjudicatory File (2)

City Hall _

Atomic Safety and Licensing Board Newburyport, Massachusetts 01950 Panel Docket U.S. Nuclear Regulatory Commission Mr. Donald. E. Chick, Town Manager Washington, D.C. 20555 Town of Exeter 10 Front Street Congressman Nicholas Mavroules Exeter, New Hampshire 03823 70 Washington Street Salem, Massachusetts 01970 Mr. John C. Duffett President and Chief Executive Officer Mr. G. Thomas Public Service Company of New Hampshire Public Service Company of 1000 Elm St., P.O. Box 330 New Hampshire Manchester, New Hampshire 03105 Post Office Box 330 Seabrook, New Hampshire 03874

{-

- - - - - - - _ _ - - - _ _ _ _ _ - - - _ - _ - -