ML20011E135

Ro:On 900126,fire Suppression Sys Declared Inoperable Due to Extended Fire Header Outage.Alternate Flow Path Established by Installing Hose Around Strainers.Repair Work Completed & Limiting Condition for Operation Exited

ML20011E135
Person / Time
Site:	Sequoyah
Issue date:	01/29/1990
From:	Bynum J TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9002080123
Download: ML20011E135 (2)

Text

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. . TENNESSEE VALLEY AUTHORITY 5N 157B Lookout Place January 29,;1990 U.S. Nuclear Regulatory Commission ATTN:' Document Control Desk Washington, D.C. 20555 Gentlemen:

~In the Matter of ) Docket Nos. 50-327 l Tennessee Valley Authority ) 50-328' SEQUOYAH NUCLEAR PLANT-(SQN) UNITS 1 AND 2 - DOCKET NOS. 50-327 AND 30-328'-

E ' FACILITY OPERATING LICENSES DPR-77 AND 79 - FIRE SUPPRESSION WATER SYSTEM 1 .

In accordance with Limiting Condition for Operation 3.7.11.1, Action b, the p ' enclosed report provides 24-hour confirmation to the telephone notification made at 0519 eastern standard time on January 27, 1990, concerning the fire suppression' system being declared. inoperable because of an extended fire I header outage. j 1

Please direct questions concerning this issue to M. A. Cooper at {

(615) 843-6651.  !

l Very truly yours, TENNESSEE VALLEY ^ AUTHORITY i

l

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l J. R. Byn k Interim Site Director Enclosure' ,

cc'(Enclosure): .

Ma'. S. C. Black, Assistant Director i for. Projects I TVA Projects Division "

U.S. Nuclear Regulatory Commission One White Flint, North j 11555 Rockville Pike i

Rockville, Maryland 20852 Mr. B. A. Wilson, Assistant Director i for Inspection Programs TVA Projects Division U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 NRC Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road 2  %\

Soddy Daisy, Tennessee 37379

'9002080123 900129 POR- ADOCK 05000327 An Equal Opportunity Employer PDC

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ENCLOSURE.

- On January 26,:1990, at 0550 eastern standard time (EST) with Units 1 andL2 in i

Mode 1 and 100 percent power, 2.235 pounds per square inch gauge, 578 degrees' Fahrenheit, Action b of Limiting Condition _for Operation (LCO) 3.7.11.1 was entered when the two fire suppression water strainers were taken out of service for maintenance / repair. In compliance with_ Action Statement b of

- LCO 3.7.11.1 an alternate flow path was established by installing a hose.

around the strainers. The repair work was completed and the LCO exited at 0230 EST on January. 27, 1990.

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