ML20006B387

Application for Amends to Licenses DPR-77 & DPR-79, Consisting of Tech Spec Change 89-27,revising Tech Specs 2.2.1,3/4.3.1.1,3/4.3.2.1 & Associated Bases to Reflect Upgrades & Enhancements to Reactor Protection Sys

ML20006B387
Person / Time
Site:	Sequoyah
Issue date:	01/24/1990
From:	Michael Ray TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20006B388	List: ML20006B387 ML20006B389
References
NUDOCS 9002020016
Download: ML20006B387 (2)

Text

TENNECCEE VALLEY ' AUTHORITY CH ATTANOOGA. TENNESSEE 37401 i i

SN 1578 Lookout Place

'JAN 241990 l l

TVA-SQN-TS-89-27 10 CFR 50.90 l U.S. Nuclear Regulatory Commission  :

ATTN: Document Control Desk -!

Washington, D.C. 20555 Gentlemen: ,

In the Matter of ) Docket Nos. 50-327 )

Tennessee Valley Authority ) 50-328  ;

SEQUOYAH NUCLEAR PLANT (SQN) - TECHNICAL SPECIFICATION (TS) CHANGE 89-27 In accordance with 10 CFR 50.90, we are enclosing a requested amendment to ,

Licenses DPR-77 and DPR-79 to change the TSs of SQN Units 1 and 2. The proposed change revises TSs 2.2.1, 3/4.3.1.1, 3/4.3.2.1, and associated bases '

to reflect upgrades and enhancements to the reactor protection system (RPS).

The proposed TS change is identified in Enclosure 1. The justification for' the proposed TS change is provided in Enclosure 2. A proposed determination ,

of no significant hazards consideration performed pursuant to 10 CFR-50.92 is provided in Enclosure 3. Enclosure 4 contains SQN Final Safety Analy31s Report (FSAR) markups that reflect the FSAR reanalyses performed in support of these changes. These RPS upgrade and enhancement reanalyses also considered other modifications, such as upper head injection removal, deactivation of the ,

boron injection tank, and implementation of Vantage 5 Hybrid fuel. Draft ,

revisions to FSAR Chapter 7 reflecting the upgraded RPS are provided in Enclosure 5.

To coincide with the implementation of the RPS upgrade modifications, it is requested that the proposed TS changes for each unit be approved during the unit's respective Cycle 4 refueling outage. TVA will keep NRC project- .

management informed of any schedule changes through routine project review t meetings.  ;

i I

13*nsunas g&

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An Equal Opportunity Employer s

U.S. Nuclear Regulatory Commission gg Please direct questions concerning this issue to Russell R. Thompson at 1 (615) 843-7470.

Very truly yours, TENNESSEE VALLEY AUTHORITY h

M. J. kay, Manager Licensing Project Management Sworn id subsc ibed before me day of 4 this ___ g 1990

~

Notary Public My Commission Expires M k /g M Enclosures cc: Ms. S. C. Black, Assistant Director (Enclosures) for Projects TVA Projects Division '

U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20652 Mr. B. A. Hilson, Assistant Director (Enclosures) for Inspection Programs TVA Projects Division U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 Mr. Michael H. Mobley, Director Division of Radiological Health T.E.R.R.A. Building 150 9th Avenue, N Nashville, Tennessee 37203 NRC Resident Inspector (Enclosures)

Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy Daisy, Tennessee 37379 American Nuclear Insurers (Enclosures)

Attention: Librarian The Exchange, Suite 245 270 Farmington Avenue Farmington, Connecticut 0603? l

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