ML20082M714

Application for Amends to Licenses DPR-77 & DPR-79, Consisting of Tech Spec Change 91-09,deleting Containment Radiation Monitors

ML20082M714
Person / Time
Site:	Sequoyah
Issue date:	08/27/1991
From:	Joshua Wilson TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20082M717	List: ML20082M714 ML20082M735
References
NUDOCS 9109050343
Download: ML20082M714 (4)

Text

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August 27. 1991 I

TVA-SQN-TS-91-09 10 CFR 50.90

• l U.S. Nuclear Regulatory Conenission '

ATIN: Do ewnen t Con t rol l'es k Was,hington. D.C. 205 %

Gentlemen:  !

in the Matter of ) Docket Nos. 50-3.,

Tennessee Valley Authority ) 50-32%

SEQUOYAH NL' CLEAR PLANT (SQN) - TECllNICA!, SPECIFICATION (IS) CllANGE 91-04, I REVISION OF CONTAINMENT RADIATION MONITGk REQUIRLMENTS In accordance with 10 CFR $0.90, we ar e enclosing, a requested amendment to 1.irenses DPR-77 and Dl'R-79 to change the TSs of SQN Units 1 and 2.

The proposed change deletes the containment ventilation isolation (CV1) '

actuation s'gnal from the upper and lower containment tadiation monitorn. This change also provides, a TS 3.0.!t exclusion for the CVI inst rwnentation, revises the ac tion requirement for inoperable CV! >

lust rwrientation to require closing thn containment purge supply and exhaust valves, revises the action requirement for inoperable radiation monitoring purge air instrumentation to clarity applicable l specifications, and revibes applicable bases description.s to agree with  ;

SQN design.

l TVA intends to perform the SQN modifications to delete the CVI function  !

from the Units 1 and 2 containment radiation monitors in January 1992.  !

The other proposed changes do not require any modifications and can be [

implemented as soon as the changes are approved. Therefore. TVA requests  ;

approval of these changes by January 1992, with an implementation period .;'

. of 30 days.

f The proposed TS change is identified in Enclosure 1. The justilication for the proposed TS change is provided in Enclosure 2. A proposed  ;

determination of no significant hazards cora.ide ra t ion pe r f ormed pursuant to 10 CFR 50.92 is provided in Enclosure 3. .

f s .i sf 9109050343 910827 IlU() I PDR P

ADOCK 05000327 PDR l\ ld r I >

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9 4 2 l i

U.S. Nuclear Regulatory Commission  ;

August 27, 1991 i Please direct questions concerning this issue to Keith C. Weller at  ;

(615) 843-7527.

Very truly yours.

TENNESSEE VALLEY AUTHORITY  ;

J $/ *C

. L. Wilson -

Sworn to and subscribed before me thin J f day of f]_u n t 1991- '

. h w i k><tt).LN w b' -

NotargPublic.

My Commission Expires N h i k Enclosures  :

cc (Enclosures)t-

• American Nuclear Insurers NRC Resident inspector Attentions Librarian Sequoyah Nuclear Plant  ;

The Exchange, Suite 245 2600 Igou Ferry Road f 270 Farmington Avenue Soddy Daisy. Tennessee 37379 '

Farmini; ton, Connecticut 06032 ,

-Mr. D. E. LaBarge. Project Manager Mr. B. A. Wilson, Project Chief U.S. Nuclear Regulatory Commission U.S. Nuclear Regulatory Commist. ion-One White Flint, North Region 11 i

11555 Rockville Pike 101 Marietta Street, NW, Suite 2900 Rockville Maryland 20852 Atlanta, Georgia 30323 Mr. Michael H. Mobley. Director (w/o Enclosures)

Division of Radiological Health T.E.R.R.A. Building 150 9th Avenue. N Nashville, Tennessee 37203 t

.h

ENCI.05URE 1 PROPOSED TECilNICAL SPECIFICATION CllANGE SEQUOYAll NUCLEAR PIANT UNITS 1 AND 2 DOCKET NOS. 50-327 AND $0-328 (TVA-SQN-TS-91-09) l l

i l

LIST OF AFTECTED PAGES j i

Unit 1 '

3/4 3-16 3/4 3-17 3/4 3-22 3/4 3-26 3/4 3-32  !

l 3/4 3-35 3/4 3-36 4

3/4 3-40 i 3/4 3-41  !

3/4 3-42 B 3/4 9-3 i

Unit-2

3/4 3-17 3/4 3-22

.3/4 3-26 .,

3/4 3-12 l 3/4 3-35 l I 3/4 3-36  !

{- 3/4 3-41 L 3/4 3-42  !

3/4 3-43 B 3/4 9-3 i

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