ML20063G700

Application for Amends to Licenses DPR-77 & DPR-79, Consisting of TS Change 93-21,adding One Addl Ionization Detector to Fire Zones 184,185,186 & 187 to Ensure Compliance W/Nfpa 72E Requirements

ML20063G700
Person / Time
Site:	Sequoyah
Issue date:	02/09/1994
From:	Fenech R TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20063G705	List: ML20063G700 ML20063G707
References
NUDOCS 9402160160
Download: ML20063G700 (2)

Text

, _ -

~* - i, 2 ^

{

.- j

~

e 1

IM "

- . . - - - - - . - . - - . ~ . . -.- . . . - , - _ _ . - . - - . . , . . , . .. -- - ~. ~ . - - . .

Tennessee VaDey Aunmty Post Once Box P000 SoddrDaisy. Tennenee 27379 2000 [

i Robert A Fenoch j Vcc Prosdent, Sequoyah Nuclear Plant r

^i February 9, 1994 l

-I i

TVA-SON TS-93-21 10.CFR 50.90 .;

U.S. Nuclear Regulatory Commission ][ '

ATTN: Document Control Desk Washington, D.C. 20555 i Gentlemen: ,

e in the Matter of ) Docket Nos. 50-327 - .:

Tennessee Valley Authority ) 50-328 l i

SEQUOYAH NUCLEAR PLANT (SON)-TECHNICAL SPECIFICATION (TS) CHANGE 93-21,

" REVISION OF FIRE DETECTION INSTRUMENTATION" in accordance with 10 CFR 50.90, we are enclosing an amendment to Licenses DPR-77 and DPR-79 to change the TSs of SON Units 1 and 2. The proposed change adds one -

additional icaization detector to Fire Zones 184,185,186, and 187 to ensure compliance l with National Fire Protection Association (NFPA) 72E requirements. This change affects _ l TS Table 3.3-11, " Fire Detection Instruments," for both units at SON. The modification I associated with this proposed change was completed during the recent Unit 1 refueling 'i outage.

• 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 safety . .

hazards consideration performed pursuant to 10 CFR 50.b2 is provided in Enclosure 3. ,

i TVA requests a 45-day implementation period for this-TS change fo!Iowing issuance.

4 e

o j

. l 1501s; J -

PSF.  ! 1 9402160160 940209 F ,

1-~ 5 PDR. ADOCK 05000327 .M i-P: .PDR- g

B n-U.S. Nuclear Regulatory Commission Page 2 February 9, 1994 Please direct questions s neerning this issue to Earl M. Ridgell at (615) 843-7427.

Sincerely, w "c A Robert A. Fenech Sworn to and sukscribed before me thisffd day of #4.1994 W i b Notary 'Publ!c My Commission Expires g 'l 7 Enclosures cc (Enclosures):

Mr. D. E. LaBarge, Project Manager

. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Tiockville, Maryland 20852-2739 Mr. Michael H. Mobley, Director (w/o Enclosures)

Division of Radiological Health 3rd Floor L & C Annex 401 Church Street Nashville, Tennessee 37243-1532 NRC Resident Inspector

. Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy-Daisy, Tennessee 37379-3624 Regional Administrator U.S. Nuclear Regulatory Commission Region 11 101 Marietta Street. NW, Suite 2000 Atlanta, Georgia 30323-2711 l_