ML17264A497

Forwards SE Accepting Plant & Related Correspondence Re Rev to RCS Pressure Temp Limits Rept for Plant

ML17264A497
Person / Time
Site:	Ginna
Issue date:	05/23/1996
From:	Jeffrey Mitchell NRC (Affiliation Not Assigned)
To:	Mercedy R ROCHESTER GAS & ELECTRIC CORP.
Shared Package
ML17264A498	List: ML17264A497 ML17264A499
References
TAC-M94770, NUDOCS 9605280095
Download: ML17264A497 (6)

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UNITED STATES NUCLEAR REGULATORY COMMISSlON WASHINGTON, D.C. 20555-0001 Nay 23, 1996 Dr. Robert C. Mecredy Vice President, Nuclear Operations Rochester Gas and Electric Corporation 89 East Avenue Rochester, NY

, 14649

SUBJECT:

R.

E.

GINNA ACCEPTANCE FOR REFERENCING OF PRESSURE TEMPERATURE LIMITS REPORT, REVISION 1

(TAC NO. H94770)

REFERENCES:

1.

2.

3.

4, 5.

Amendment No.

48 to Facility Operating License No. DPR-18, R.

E. Ginna Nuclear Power Plant, March.6, 1992.

Letter from A. R. Johnson, NRC to R.

C. Mecredy, Rochester Gas and Electric Corporation (RG&E), "R.

E. Ginna Nuclear Power Plant - Pressurized Thermal Shock Evaluation (TAC No.

H93827)," March 22, 1996.

Letter from C. I. Grimes, NRC, to R. A. Newton, Westinghouse Electric Corporation, "Acceptance for Referencing of Topical Report WCAP-14040, Revision 1,

'Methodology Used to Develop Cold Overpressure Mitigating System Setpoints and RCS Heatup and Cooldown Limit Curves,'" October 16, 1995.

Letter from R.

C. Mecredy, Rochester Gas and Electric Corporation (RG8E), to Document Control Desk, NRC, Attention A.

R. Johnson, "Application for Amendment to Facility Operating License Methodology for Low Temperature Overpressure Protection (LTOP) Limits," February 9, 1996.

Letter from R.

C. Hecredy, Rochester Gas and Electric Corporation (RGEE), to Document Control

Desk, NRC, Attention A. R. Johnson, "Application for Amendment to Facility Operating License Revision to Reactor Coolant System (RCS)

Pressure and Temperature Limits Report (PTLR)," April 22, 1996.

Contacts:

Robert J. Giardina, (301) '415-3152 Barry Elliot, (301) 415-2709 9605280095 960523 PDR ADOCK 05000244 P

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Dr. Robert C. Hecredy As part of their application to convert the Ginna technical specifications to the improved standard technical specifications, Rochester Gas and Electric Corporation (RG&E) proposed to reference WCAP-14040 as the methodology they would use to calculate the reactor coolant system pressure and temperature (P/T) and the low-temperature overpressure protection (LTOP) system limits.

These limits would then be documented in a pressure temperature limits peport (PTLR).

However, RG&E determined that they needed to operate in accordance with the existing limits, previously approved by the staff (Reference 1).

For this reason, they did not generate plant-specific P/T and LTOP limits using the WCAP-14040 methodology.

As a result, the curves, setpoints,

values, and parameters in the Ginna improved technical specifications and associated PTLR were issued with those that the staff had previously reviewed and approved.

The staff acceptance of the PTLR applied only to the format of the report with the stipulation that the methodology in WCAP-14040 along with RGSE provided supplements would be used to calculate future changes to the P/T and LTOP system limits.

Revision 1 of the PTLR would be submitted to the staff for review and approval to ensure that the new P/T and LTOP system limits are acceptable based on the approved methodology.

During the current outage, the staff determined (Reference

2) that, as a

result of RG&E's updated pressurized thermal shock evaluation, the PTLR would need to be revised.

Due to time and personnel constraints, RG&E determined that updating the PTLR using the WCAP-14040 methodology could not be achieved prior to r'eactor startup in Hay 1996.

Therefore, they proposed revising the PTLR curves, setpoints,

values, and parameters using portions of WCAP-14040, updated data, and estimated values for the fluence.

For this reason, they have not generated plant-specific P/T and LTOP limits using the WCAP-14040 methodology.

Therefore, the staff cannot complete its review of the application of WCAP-14040 methodology for Ginna.

We have completed our review of the revised PTLR and supporting submittals submitted by the RG&E (References.4 and 5).

We find the documentation (References 3, 4, and 5) to be acceptable for referencing in the administrative controls section of your technical specifications for your license application to the extent specified and under the limitations delineated in your submittals and the associated NRC safety evaluation, which is enclosed.

The safety evaluation defines the basis for acceptance of the submittals.

Our acceptance only applies to the matters described in the submittals.

The methodology in'WCAP-14040, along with supplements provided by RG&E would be used to calculate future changes to the P/T and LTOP limits.

When RG&E generates new P/T and LTOP system limits in accordance with this methodology and submits them to the staff, the staff will review the new limits to

Dr. Robert C. Mecredy ensure that these limits are acceptable based on the approved methodology.

At that time, RG&E will be required to revise the technical specifications Administrative Controls'section to reference the staff approved methodology.

Sincerely, Docelyn A. Mitchell, Acting Director Project Directorate I-I Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation Docket No. 50-244

Enclosure:

As stated cc w/encl:

See next page

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Dr. 'Robert C. Mecredy R.E. Ginna Nuclear Power Plant CC:

. Peter D. Drysdale, Senior Resident Inspector R.E.

Ginna Plant U.S. Nuclear Regulatory Commission 1503 Lake Road

Ontario, NY 14519 Regional Administrator, Region I U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406 Mr. F. William Valentino, President New York State

Energy, Research; and Development Authority '

Rockefeller Plaza

Albany, NY 12223-1253 Charlie Donaldson=,

Esq.

Assistant Attorney General New York Department of Law 120 Broadway New York, NY 10271 Nicholas S.

Reynolds Winston

& Strawn 1400 L St.

N.W.

Washington, DC 20005-3502 Ms. Thelma Wideman

Director, Wayne County Emergency Management Office Wayne County Emergency Operations Center 7336 Route 31

Lyons, NY 14489

. Ms. Mary Louise Meisenzahl Administrator, Monroe County Office of Emergency Preparedness 111 West Fall

Road, Room 11 Rochester, NY 14620

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