ML17286A990

Forwards Request for Addl Info Re Generic Ltr 89-10,suppl 3, Consideration of Results of NRC-Sponsored Tests of Motor- Operated Valves

ML17286A990
Person / Time
Site:	Columbia
Issue date:	08/07/1991
From:	Eng P Office of Nuclear Reactor Regulation
To:	Sorensen G WASHINGTON PUBLIC POWER SUPPLY SYSTEM
References
GL-89-10, TAC-77801, NUDOCS 9108150228
Download: ML17286A990 (7)

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Docket No. 50-397 UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555 August 7, 1991 Mr. G.

C. Sorensen, Manager Regulatory Programs Washington Public Power Supply System 3000 George Washington Way P.O.

Box 968 Richland, Washington 99352

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION REGARDING GENERIC LETTER (GL) 89-10, SUPPLEMENT 3:

"CONSIDERATION OF THE RESULTS OF NRC-SPONSORED TESTS OF MOTOR-OPERATED VALVES" (TAC NO. 77801)

By letter dated March 12, 1991 (G02-91-050),

you submitted a response to the 120-day, 10 CFR 50.54(f), reporting requirements of GL 89-10, Supplement 3,

for the Washington Public Power Supply System Nuclear Plant No.

2 (WNP-2).

After reviewing your response, the staff has concluded that the additional information identified in the enclosure is necessary to make a safety determination regarding the subject motor-operated valves.

Response

to the enclosed Request for Additional Information (RAI) is requested within 30 days from receipt of this letter.

This request is covered by the Office of Management and Budget Clearance Number 3150-0011, which expired June 30, 1991.

A request for a clearance extension has been submitted to OMB and is expected to be granted.

The estimated average burden hour s are 80 person-hours per licensee

response, including data evaluations, and preparing the required letters.

(These estimated average burden hours pertain only to the identified response-related matters and do not include the time for actual implementation of the requested action.)

Send comments regar ding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to the Information and Records Management Branch, Division of Information 9g08i50228 9i080>97 PDR ADOCK 0500 P

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C. Sorensen Management, U.S. Nuclear Regulatory Commission, Washington D.C., 20555, and to the Paperwork Reduction Project (3150-0011), Office of Management and

Budget, Washington, D.C., 20503.

Should you have any questions on this matter, please contact me.

Sincerely,

Enclosure:

As stated Patricia L. Eng, Proj ct Hanager Project Directorate V

Division of Reactor Projects III/IV/V Office of Nuclear Reactor Regulation cc w/enclosure:

See next page

Mr.

G.

C. Sorensen Washington Public Power Supply System WPPSS Nuclear Project No.

2 (WNP-2)

CC:

Mr. J.

W. Baker WNP-2 Plant Manager Washington Public Power Supply System P.O.

Box 968, MD 927M Richland, Washington 99352 G.

E.

C. Doupe, Esq.

Washington Public Power Supply System 3000 George Washington Way P. 0.

Box 968 Richland, Washington 99532 Mr. R.

G. Waldo, Chairman Energy Facility Site Evaluation Council Mail Stop PY-ll Olympia, Washington 98504 Mr. Alan G. Hosier, Licensing Manager Washington Public Power Supply System P. 0.

Box 968, MD 956B

Richland, Washington 99352 Mr. A. Lee Oxsen, Acting Managing Director for Operations Washington Public Power Supply System P. 0.

Box 968, MD 1023 Richland, Washington 99352 Mr. Gary D. Bouchey, Director Licensing and Assurance Washington Public Power Supply System P. 0.

Box 968, MD 280 Richland, Washington 99352 Regional Administrator, Region V

U.S. Nuclear Regulatory Corrmission 1450 Maria Lane, Suite 210 Walnut Creek, California 94596 Chairman Benton County Board of Commissioners P. 0.

Box 190

Prosser, Washington 99350-0190 Mr. R.

C. Sorensen U. S. Nuclear Regulatory Commission P. 0.

Box 69 Richland, Washington 99352 Nicholas S.

Reynolds, Esq.

Winston II Strawn 1400 L Street, N.W.

Washington, D.C.

20005-3502

ENCLOSURE REQUEST FOR ADDITIONAL INFORMATION REGARDING WASHINGTON PUBLIC POWER SUPPLY SYSTEM NUCLEAR UNIT NO.

2 SUPPLEMENT 3

TO GENERIC LETTER 89-10, "CONSIDERATION OF THE RESULTS OF NRC-SPONSORED TESTS OF MOTOR-OPERATED VALVES (MOVs)"

1.

Identify any modifications (e.g.,

torque switch setting adjustments, gearing

changes, or motor/actuator replacement) for each MOV within the scope of Supplement 3 to GL 89-10 since June 1990 or those planned for the future.

2.

Are thermal overload protection devices installed and used?

3.

Provide actuator and motor type/size for the 4 inch RCIC MOV.

4.

Has the leakage rate with an RCIC MOV closed 98K been determined?

Does the leakage rate with the valve 98% closed meet the leakage limits of Appendix J and the ASME Code?

5.

How have you addressed the rate of loading phenomenon in MOV sizing and torque switch settings?

Mr. G.

C. Sorensen Management, U.S. Nuclear Regulatory Commission, Washington D.C., 20555, and to the Paperwork Reduction Project (3150-0011), Office of Management and Budget, Washington, D.C., 20503.

Should you have any questions on this matter, please contact me.

Sincerely,

Enclosure:

As stated cc w/enclosure:

See next page

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