ML20196D662

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Safety Evaluation Supporting Amend 14 to License NPF-68
ML20196D662
Person / Time
Site: Vogtle 
Issue date: 12/05/1988
From:
Office of Nuclear Reactor Regulation
To:
Shared Package
ML20196D654 List:
References
NUDOCS 8812090156
Download: ML20196D662 (3)


Text

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o UNITED STATES 8,

g NUCLEAR REGULATORY COMMISSION o

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WASHINGTON, D. C. 20665

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SAFETY EVALVATION BY.THE OFFICE OF NUCLEAR REACTOR REGULATION RELATED TO AMENDMENT NO. 14 TO FACILITY'0PERATING LICENSE NPF-68 GEORGIA POWER COMPANY, ET AL.

DOCKET NO. 50-424 V0GTLE ELECTRIC GENERATING PLANT, UNIT 1

1.0 INTRODUCTION

By letter dated August 12, 1988, Georgia Power Company, et al., (GPC or the licensee) requestsd a change to the Technical Specifications for Vogtle Electric Generating Plant, (VEGP), Unit 1.

The proposed change would change the Technical Specifications (TS) to clarify that residual heat removal cold leg injection valves may be closed in Mode 3 during check valve leak testing.

2.0 EVALUATION The proposed amendment revises Technical Specification 4.5.2, "ECCS Subsystems

- Tavg Greater Than or Equal to 350'F" and its bases. The revision clarifies that Residual Heat Removal Cold Leg injection Valves HV-8809A and HV-8809B may 5

temporarily closed in Mode 3 during leakage testing of reactor coolant system pressure isolation check valves.

The proposed change specifies that valves HV-8809A and B may be temporarily closed in Mode 3 during leak testing of Reactor Coolant System (RCS) pressure isolation check valves. Leak testing of these check valves is required followingeachrefuelingoutage,followingvalverealignmentormaintenance(if and prior to entering Mode 2 following a cold shutdown of 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or more i

not tested in the prs.Vious 9 months).

The optimum plant condition for leak testing of the pressure isolation check valves is Mode 3 at full RCS pressure, just prior to entering Mode 2.

At this point, valve disturbances are co.nplete and better seating of the check valves will produce more meaningful test results. This testing procedure was described to the NRC in GPC letter i

SL-3505 dated October 27, 1987.

NRC approval of the testing procedure was documented in a November 5,1987 NRC letter and Section 5.4.7 of Supplement 7 to NUREG-1137, "Safety Evaluation Report related to the operation of Vogtle Electric Generating Plant, Units 1 and 2," dated January 1988.

The proposed amendment clarifying the temporary valve closure is in accordance with that NRC approved testing procedure.

Therefore, the NRC staff finds that the l

proposed amendment is acceptable.

3.0 ENVIRONMENTAL CONSIDERATION

This amendment involves changes in surveillance requirements. The staff has l

determined that the amendment involves no significant increase in the amounts, I

0812090156 881205 PDR ADOCK 05000424 P

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and no significant a <nge in the types, of any effluents that may be released offsite, and that there is no significant increase in individual or cumulative occupational expnsure. The f1RC staff has made a determination that the amendment involves no significant hazards consideration, and there has been no public comment on such finding. Accordingly, the amendment meets the eligibility criteria for categorical exclusion set forth in 10 CFR 51.22(c)(9).

Pursuant to 10 CFR 51.22(b), no environmental impact statement or environmental assessment need be prepared in connection with the issuance of the amendment.

4.0 CONCLUSION

The Commission made a proposed determination that the amendment involves no significant hazards consideration which was published in the Federal Register on October 19, 1988 (53 FR 40989), and consulted with the state of Georgia.

No public comments were received, and the state of Georgia did not have any comments.

The staff has concluded, based on the considerations discussed above, that: (1) endangered by operation in the proposed manner, and (?)y of the public will not be there is reasonable assurance that the health and safet such activities will be conducted in compliance with the Commission's regulations, and the issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public.

Principal Contributor: Jon B. Hopkins, PDII-3/DRP.1/II Dated: December 5, 1988 l

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.l DATED:

December 5, 1988 AMENDHENT NO.

14 TO FACILITY OPERATING LICENSE NPF Vogtle Electric Generating Plant, Unit 1 5

&'NRC PDR ~ "'"-

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P1-137 ACRS (10)

H-1016 WJones P-130A EButcher 11-F-23 GPA/PA 17-F-2 ARM /LFMB AR-2015 DHagan HNBB-3302 BGrimes 9-A-2 CRchulten 11-F-23

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