ML20137L817

Revised Application for Amend to License DPR-57,authorizing Tech Spec Changes to Allow Completion of GE Analog Transmitter Trip Sys Installation.Two Proposed Tech Spec Trip Setpoint Limits Withdrawn,Per Discussion

ML20137L817
Person / Time
Site:	Hatch
Issue date:	01/17/1986
From:	Gucwa L, Gurwa L GEORGIA POWER CO.
To:	Muller D Office of Nuclear Reactor Regulation
Shared Package
ML20137L820	List: ML20137L817 ML20137L822
References
0264C, 264C, SL-236, TAC-59309, NUDOCS 8601280096
Download: ML20137L817 (2)

Text

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i- ~ n , ~" l u t cuen Uraert ti ,c sa Eng re." ng c: Ct~ct TL.c+y Crc evw SL-236 0264C 1 January 17, 1986 Director of Nuclear Reactor Regulation Attention: Mr. D. Muller, Project Director BWR Project Directorate No. 2 Division of Boiling Water Reactor Licensing U. S. Nuclear Regulatory Commission Washington, D. C. 20555 NRC DOCKET 50-321 OPERATING LICENSE DPR-57 EDWIN 1. HATCH NUCLEAR PLANT UNIT 1 REVISION TO REQUEST FOR TECHNICAL SPECIFICATION CHANGES TO SUPPORT COMPLETION OF ANALOG TRANSMITTER TRIP SYSTEM INSTALLATION Gentlemen:

By letter dated July 24, 1985 (NED-85-528), Georgia Power Company (GPC) submitted a proposed amendment to the Plant Hatch Unit 1 Technical Specifications to support plant modifications associateo with installation of a General Electric Company (GE) Analog Transmitter Trip System (ATTS). Following discussions with members of the NRC staff regarding this submittal, GPC has determined that a withdrawal of two of the proposed Technical Specifications limits from consideration is appropriate pending further analysis.

Proposed changes on pages 3.2-11 and 3.2-14 in the " Proposed Technical Specifications Revisions" Section of the enclosure to NED-85-528 (item 3 on each page), specify allowable Trip Settings for-the Reactor Vessel Steam Dome Pressure Low Permissive to open injection valves for the LPCI and Core Spray Systems. GPC has determined that the 500 psig ' upper limit on those allowable Trip Setpoints, which is currently in Technical Specifications (as a footnote on each of the referenced pages), should be retained to provide adequate over-pressurization protection for the low pressure Emergency Core Cooling Systems (ECCS) at Plant Hatch. However, GPC is pursuing a thorough reanalysis to support a decrease in the lower limits for these permissives.

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I j GeorgiaPower A Attention: Mr. D. Muller, Project Director

BWR Project Directorate No. 2 Director of Nuclear Reactor Regulation j

Ja'nuary 17, 1986 .

j Page Two 4

i, GPC requests that the NRC exclude the ~ above specified proposed

} Technical Specification limit changes from the scope of review for i NED-85-528, and that any amendments issued as a result retain the 4

current values for those items. To . clarify this request the two (

l subject proposed Technical Specifications pages, revised to account t i

for this latest determination, are attached for your information and use. ,

f j GPC intends to submit new proposed revisions for the above i referenced limits, following completion and review of the above '

referenced reanalysis. In the interim, NRC approval of the changes proposed by NED-85-528, as revised by this submittal, would permit acceptable restart and operation of Plant Hatch Unit I using ATTS. ,

I Since this submittal only retracts certain revisions previously l proposed by NED-85-528, which are not functionally. related to any l other Technical Specifications changes presented in that letter, the  :

, safety evaluation (required by 10 CFR 50.59) and the significant '

l hazards review (required by 10 CFR 50.92) for the original submittal

are unaffected.

4 Very truly yours, f r~ x -

i" l L. T. Gucwa i

i CBS/lc 5

l Attachments c: Dr. J. Nelson Grace (NRC-Regica II) i J. L. Ledbetter Senior Resident Inspector .

J. P. O'Reilly

! J. T. Beckham, Jr. ,

] H. C. Nix, Jr.

GO-NORMS I

l 700775