ML20059G234

Provides Response to Request for Addl Info Re Interpretation of Tech Spec 3/4.7.10, Fire Barriers. Interpretation Is Implemented & Unnecessary Compensatory Measures Removed.List of Fire Barriers Inspected on One Side Only Encl

ML20059G234
Person / Time
Site:	Davis Besse
Issue date:	09/10/1990
From:	Shelton D TOLEDO EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
1847, NUDOCS 9009120206
Download: ML20059G234 (3)

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TOLEDO EDISON .

t A Cytra Enygv Cyrpany i f DONALD C. SHELTON Ves Presdert+NJtJBF (419) P49.P300 l i

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Docket Number 50-346

. License Number NPF-3 ,

Serial Number 1847 i September 10, 1990 United States Nuclear Regulatory Commission Document Control Desk i Washington, D. C. 20555 i Subj ec t : Fire Protection - Response to Request for Additional Information on the Interpretation of Technical Specification 3/4.7.10, Fire Barciers Gentlement l

In Toledo Edison's letter Serial Number 1841, dated August 16, 1990, Toledo )

Edison requested Nuclear Regulatory Commission (NRC) Staff concurrence with an interpretation of Davis-Besse Nuclear Power Station, Unit Number-1, Technical Specification 3/4.7.10, Fire Barriers. In subsequent discussions with NRC l Staff personnel, Toledo Edison was requested to provide the list of barriers "

that had been declared inoperable, pending resolution of the interpretation, and to verify that these barriers included those for which.a one-sided  ;

penetration seal inspection had been performed., Toledo Edison has verified '

the list and provides it to the NRC Staff in Attachment 1. Toledo Edison:

further states that it has established, through a sample reviev-of

• construction records, that there is reasonable assurance that the penetration seals in these barriers were properly installed.

Toledo Edison provided this information verbally to the NRC Staff on August

! 23, 1990, and received on that same date, verbal concurrence with-the interpretation contained in Tcledo Edison letter Serial Number 1841. Based .

upon that verbal concurrence, Toledo Edison has implemented the' interpretation and removed the unnecessary compensatory' measures.

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( 9 THE TDLEDO EO! SON COMPANY EDISON PLAZA 300 MADISON AVENUE TOLEDO. OHIO 43652 i

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• Dock 0t Nu b;r 50-346 3 . 'Lic:n:e Nu2b2r NPF-3

' Serial; Number 1847 P, age'2 Should you have any questions or require additional information, please contact Mr. R. V. Schrauder, Manager - Nuclear' Licensing, at (419) 249-2366.

Very truly ours, KBR/mmb Attachment cci P. H. Byron, DB-1 NRC Senior Resident. Inspector A. B. Davis, Regional Administrator, NRC Region III H. D. Lynch, DB-1 NRC Senior Project Manager Utility Radiological Safety' Board of Ohio

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Dock t N3. 50-346 j

• Lic:nsa No. NPT-3

.' Ser101'N). 1847 Attachment 1 l Ppge' l FIRE PROTECTION BARRIERS

• INSPECTED ON ONE-SIDE ONLY A. LIST OF FIRE BARRIERS FOR VHICH COMPENSATORY MEASURES VERE IN EFFECT UNTIL NRC VERBAL CONCURRENCE VITH THE INTERPRETATION IN SERIAL 1841 VAS OBTAINED ROVING FIRE VATCH CONTINUOUS FIRE VATCH  ;

102-N/105-S 102-E/AB3-V 102-N/209-S 228-F/118-C  !

> 211-N/102-S 233-E/123-V 209-E/205-V 233-F/116-C 233-F/117A-C AB2-N/228-S 300-F/102-C AB3A-E/205-V )

300-F/205-r EL3-E/228-V 300-F/210-C 312-F/228-C 313-F/233-C l

B. LIST OF FIRE BARRIERS FOR VHICH COMPENSATORY MEASURES REMAIN IN EFFECT UNTIL AN OUTAGE OF SUFFICIENT DURATION ALLOVS INSPECTION INSIDE THE SHIELD ,

BUILDING ANNULUS ROVING FIRE VATCH 127E/221 127V/209 127E/225 127V/221 127E/304 127V/304 127E/318 127V/318 n127E/318UL 127V/400

'"127E/321 127V/402 127E/322 127V/404 127E/405 127V/405 127E/406 127V/500 127E/422B 127V/600 127E/426 127V/601 127E/427 127E/428 127E/428B 127E/501 g 127E/515 "3 >

127E/601 127E/602 127E/TT

• Includes barriers for which a one-sided penetration seal inspection has also been performed.

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