ML20202J410

From kanterella
Jump to navigation Jump to search
Forwards Requests for Addl Info,Per Review of 860219 Info Re Instrumentation & Control Open & Confirmatory Issues, Including SER 7.2.2.4 Concerning Turbine Trip on Reactor Trip & SER 7.3.2.4 on Safety Function Instrumentation
ML20202J410
Person / Time
Site: Seabrook  NextEra Energy icon.png
Issue date: 04/07/1986
From: Nerses V
Office of Nuclear Reactor Regulation
To: Harrison R
PUBLIC SERVICE CO. OF NEW HAMPSHIRE
References
NUDOCS 8604160030
Download: ML20202J410 (6)


Text

-,

e.. .'.

' Docket Nos.: 50-443 APR 7 IN6 DISTRIBUTION and 50-444 pcketFile NRC PDR Local PDR PBD5 Reading ACRS (10)

Mr. Robert J. Harrison JPartlow MRushbrook President & Chief Executive Officer BGrimes Public Service Company of New Hampshire ERossi Post Office Box 330 BStevens Manchester, New Hampshire 03105- Edordan VNerses

Dear Mr. Harrison:

Attorney, ELD

Subject:

Seabrook --Requests for Additional Information Related to Instrumentation and Control Open and Confirmatory Issues We reviewed the information you provided us on Feb.uary 19,'1986 and based on l our review to date, it has been determined that your response is incomplete.

l The enclosure to this letter identifies to date the additional information I

required from you to resolve the issues noted. To prevent any further delays from completing our review,_I would appreciate it if you would provide us an expeditious response.

The staff is in the process of reviewing additional information supplied for other outstanding issues which require a more in-depth review due to the j nature and scope of the subjects. Thus, additional requests for information

  • may be forthcoming related to these items.upon completion of the staff's review etfort.

l Questions or additional information regarding this matter should be directed to me at (301) 492-8535.

l Sincerely, 15) t  !

Victor Nerses, Project Manager l PWR Project Directorate No. 5 l j Division of PWR Licensing-A j

Enclosure:

e As stated cc: See next page I

l es/yt 4/1 /86

! 8604160030 860407 PDR ADOCK 05000443 l E PDR

_ . . _ . _ _ _ . . _ - _ - - . _ . , _ - . _ . - - ~ _ _ - _ _ _ . _ . _ . _ - - . , _ _ - _

Mr. Robert J. Harrison l

> Public Service Company of New Hampshire .Seabrook Nuclear Power Station ,

1 CC:

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

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

,, Ropes and Gray Assistant Attorney General

^, 225 Franklin Street Office of' Attorney General Boston, Massachusetts .02110 208 State Hosue Annex Concord, New Hampshire '03301 Mr. Bruce B. Beckley, Project. Manager .

Public Service Company of New Hampshire Resident Inspector Post Office Box 330 . Seabrook Nuclear Power Station Manchester, New Hampshire 03105 c/o US Nuclear Regulatory Commission Post Office Box 700 Dr. Mauray Tye,' President Seabrook, New Hampshire 03874 Sun Valley Association 209 Sumer Street Mr. John DeVincentis, Director Haverhill, Massachusetts 01839 Engineering and Licensing Yankee Atomic Electric Company Robert A. Backus, Esq. 1671 Worchester Road O'Neil, Backus and Spielman Framingham, Massachusetts 01701 116 Lowell Street Manchester, New Hampshire 03105 Mr. A. M. Ebner, Project Maneger United Engineers & Constructors William S. Jordan, III 30 South 17th Street Diane Curran Post Office Box 8223 Harmon, Weiss & Jordan Philadelphia, Pennsylvania 19101 20001 S Street, NW Suite 430 Washington, D.C. 20009 Mr. Philip Ahrens, Esq.

Assistant Attorney General State House, Station #6 i l

Augusta, Maine 04333 Jo Ann Shotwell, Esq. l Office of the Assistant Attorney General ,

Environmental Protection Division l Mr. Warren Hall One Ashburton Place Public Service Company of Boston, Massachusetts 02108 New Hampshire Post Office Box 330 D. Pierre G. Cameron, Jr. , Esq.

Seabrook, New Hampshire 03874 General Counsel Public Service Company of New Hampshire Seacoast Anti-Pollution League Post Office Box 330 Ms. Jane Doughty Manchester, New Hampshire 03105 5 Narket Street Portsmouth, New Hampshire 03801 Regional Administrator, Region I U.S. Nuclear Regulatory Comission Mr. Diana P. Randall 631 Park Avenue 70 Collins Street King of Prussia, Pennsylvania 19406 Seabrook, New Hampshire 03874 Richard Hampe, Esq.

New Hampshire Civil Defense Agency 107 Pleasant Street '

Concord, New Hampshire 03301 l

~

l Public Service Company of Seabrook Nuclear Power Station New Hampshire ,

i cc:

Mr. Calvin A. Canney, City Manager Mr. Alfred V. Sargent, City Hall Chaiman 126 Daniel Street Board of Selectmen t s Portsmouth, New Hampshire 0380i Town of Salisbury, MA 01950 l

Ms. Letty Hett Senator Gordon J. Humphrey Town of Brentwood ATTN: Tom Burack RFD Dalton Road U.S. Senate I

Brentwood, New Hampshire 03833

. Washington, D.C. 20510 Ms. Roberta C. Pevear Mr. Owen B. Durgin. Chairman Town of Hampton Falls, New Hampshire Durham Board of Selectmen Drinkwater Road Town of Durham '

I Hampton Falls, New Hampshire 03844 Durham, New Hampshire 03824 Ms. Sandra Gavutis Charles Cross, Esq.

Town of Kensington, New Hampshire Shaines, Mardrigan and -

RDF 1 McEaschern East Kingston, New Hampshire 03827 25 Maplewood Avenue '

Post ~0ffice Box 366 Portsmouth, New Hampshire 03801 Chaiman, Board of Selectmen RFD 2 South Hampton, New Hampshire 03827 Mr. Guy Chichester, Chaiman Rye Nuclear Intervention Mr. Angie Machiros, Chairman Committee Board of Selectmen c/o Rye Town Hall for the Town of Newbury 10 Central Road Newbury, Massachusetts 01950 Rye, New Hampshire 03870 1 Ms. Cashman, Chairman Jane Spector Board of Selectmen Federal Energy Regulatory Town of Amesbury Comission Town Hall 825 North Capital Street, NE Amesbury, Massachusetts 01913 Room 8105 Washington, D. C. 20426 Honorable Peter J. Matthews Mayor, City of Newburyport Mr. R. Sweeney Office of the Mayor New Hampshire Yankee Division City Hall Public Service of New Hampshire Newburyport, Massachusetts 01950 Company 7910 Woodmont Avenue Mr. Donald E. Chick, Town Manager Bethesda, Maryland 20814 Town of Exeter 10 Front Street Mr. William B. Derrickson Exeter, New Hampshire 03823 Senior Vice President Public Service Company of New Hampshire Post Office Box 700, Route 1 Seabrook, New Hampshire 03874

ENCLOSURE SEABROOK REQUESTS FOR ADDITIONAL INFORMATION N

SER 7.2.2.4 (RAI 420.66) Turbine Trip on Reactor Trip Details should be provided to verify that the latest turbine trip on reactor trip (TT-0-RT) design complies with the Westinghouse reliability requirements related to IEEE 279 (Sections 4.2, 4.3, 4.5, 4.6, and 4.10 specifically). If not,then justification should be provided for any deviations from the required design criteria. This information should.

confirm that the latest TT-0-RT design for Seabrook has been satisfactorily resolved with Westinghouse (i.e., approved by Westinghouse).

- Information is needed to describe the isolation devices utilized for the TT-0-RT circuitry. This should include the cross-trip circuits provided from the redundant trains to trip the turbine emergency trip system. This information should be provided consistent with the staff's position related to the required qualification of isolation devices.

Information is required to describe any differences that exist between Seabrook's TT-0-RT circuitry and that to be implemented on Vogtle.

SER 7.3.2.4 (RAI 420.73) Instrumentation for Safety Functions The applicant should confirm that the responses to 420.73 items e) and h) are still valid (i.e., all safety functions can be periodically tested without interfering with normal plant operation or the use of jury rigs or lifted leads). If not,then provide information detailing the nonconfor-mance with the required periodic testing design feature including justification, si is

h 4

- 2'-

y, i

n For RWST Lo-Lo level recirculation actuation, explain what is mea t by the phrase, " Increased Surveillance will be employed to ensure cperability..."

as related to the Technigal Specification periodic surveillcnce N requirements. s c

'SER 7.4.2.1 (RAI 420.48) Station Service Water System Need to address the correlation between heat treatment for service water tunnels and D.G. full load testing as related to worst-case temperature conditions.

Need to address possible reopening of service yter isolation valves

. subsequent to loss of offsite power.

SER 7.4.2.4 (RAI 420.38, 420.39) Remote Shutdown Need to confirm that disabling of SSPS will not affect Cooling Tower Actuation signal. 2 Need to provide a list to identify each piece of equipment affected by disabling of the SSPS. This should include identification of whether the equipment will have manual control cupability from outside CR once SSPS is disabled. If no manual control capability exists, then justification '

information must be provided for each case as related to the staff's position on remote safe shutdown.

Need information on the time allowed for manual actions required should '

the cooling tower be actuated automatically and to verify that such manual actions are included in the remote shutdown procedures. Shoulti, include a discussion on how the operator is alerted from outside the CR'that the cooling tower has actuated automatically.

'. u s e, k =

b Should provide information to address the effect of nonseismic service water system pipe failures not large enough to give an automatic cooling s, tower actuation signal. .

Information is required to address actuation of cooling tower from outside CR assuming automatic signal not present. Should discuss correlation between automatic trip signal (TA) and transfer of control to the remote shutdown station.

Should rev'ise FSAR Section 7.4.6 to add infonnation deleted in Amendment 56 related to events of Chapter 15 that produce the most severe conse-quences that are pertinent to safe plant shutdre*..

Verify that power for indication required for safe plant shutdown remote from the CR is Class 1E.

1 SER 7.5.2.2 (RAI 420.16) Radiation Data Management System Need information to verify ability of Class IE RDMS monitors to perform the required safety function during application of the fault tests.

SER 7.6.7.6 (RAI 420.54) Transfer of Injection Need information to verify that lights will be verified as part of Techni-cal Specification surveillance requirements for. the safety injection instrumentation trip channels.

1 1

1