ML20101K759

Special Rept 84-08:sprinkler Sys Walkdown Revealed Listed Sprinklers Not in Compliance W/Nfpa Std 13.All Sprinklers Operable.Some Sprinklers Will Be Relocated,Some Plugged & Some Added.Fire Watch Established

ML20101K759
Person / Time
Site:	Sequoyah
Issue date:	12/19/1984
From:	Wallace P TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF ADMINISTRATION (ADM)
References
84-08, 84-8, NUDOCS 8412310466
Download: ML20101K759 (3)

Text

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TENNESSEE VALLEY AUTHORITY - -

Sequoyah Nuclear Plant-Post Office Box 2000 Soddy Daisy, Tennessee 37379 December 19. 1984 p

-U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 Gentlemen:

TENNESSEE VALLEY AUTHORITY - SEQUOYAH NUCLEAR PLANT UNIT 2 - DOCKET NO.

50-328 - FACILITY OPERATING LICENSE DPR SPECIAL REPORT 84 APPENDIX R The enclosed special report provides detafis concerning failure of the sprinkler system to comply with Unit 2 License Condition 2.13(a) of the Unit 2 Facility Operating License, initially reported on December 5, 1984. This event is reported in accordance with License Condition 2H.

I Very truly yours, TENNESSEE VALLEY AUTHORITY P. R. Wallace .

Plant Manager Enclosure cc (Enclosure):

James P. O'Reilly, Director U.S. Nuclear Regulatory Commission Suite 2900 101 Marietta Street, NW Atlanta, Georgia 30323 Records Center Institute of Nuclear Power Operations Suite 1500 1100 circle 75 Parkway Atlanta, Georgia 30339 NRC Inspector, NUC PR, Sequoyah

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JI OS 38

. S PDR 1983-TVA SOTH ANNIVERSARY An Equal Opportunity Employer

.. SEQUOYAH NUCLEAR PLANT

'14 DAY FOLLOWUP REPORT SPECIAL< REPORT 84-08 Sequoyah Nuclear Plant has been performing a sprinkler system walkdown

-during the Appendix R teverification program to' ensure full compliance with License Condition 2.13.(a) of the Unit 2 Facility Oparating' License.

These walkdowns have identified sprinklers 'in thw Auxiliary Building 1 that do not comply with'the literal requirements of NFPA Standard No. 13,

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as committed to'in the Fire Protection Program submittal and the SER Supplement I submittal.' All sprinklers identified have been evaluated

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as being operable,iand<will function to prevent:both redundant divisions of safe shutdown equipment'from being damagedi- The locations of these

. sprinkler heads have been summarized in the following table by elevation.

l The t able also categorizes the sprinklers into differer t areas of corrective -

actions required to bring the sprinkler system into compliance with NFPA Standard No. 13.

Elevation (Aux Bldg) Relocate Plug Add (Note 4) (Note 1) (Note 2) (Note 3) 669 53 90 25 690 78 25 31 714 123 0 116 734 111 185 27 749 34 20 18 759 19 29 0 418 349 217 (Note 1) - These sprinkler heads must be relocated to bring system into full compliance with NFPA-13.

(Note 2) - These sprinkler heads have been evaluated as not being required for NFPA-13, and will be plugged or removed.

(Note 3) - These sprinkler heads must be installed to bring system into compliance with NF7A-13, and address intervening combustibles. The majority of these must be added, due to obstructions between the ceiling mounted' sprinkler heads and floor level equipment.

l (Note 4) - The 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> telecopy sent to NRC on December 6,1984, only l mentioned Auxiliary Building Elevation 714. This was incorrect, j in that the condition had been reported to NRC by telephone on I the previous day for the entire Auxiliary Building.

Corrective Actions

1. The sprinkler walkdown will continue and will identify modifications necessary to resolve specific problems with NFPA-13.

2. More information on sprinkler noncompliance, and a schedule for modifications to correct these conditions will be forthcoming per Confirmation of Action letter from J. P. O'Reilly to H. G. Parris dated August 10, 1984.

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The fire watch established per Appendix R commitments will be 3.

maintained in related areas until all sprinkler system problems are resolved.

4. TVA has addressed Sequoyah's position on NFPA-13' requirements in a letter from J. Domer to E. Adensam dated-December 18,1984.

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