ML20141M415

Advises That Util 920630 & 0723 Responses to NRC Bulletin 92-001, Failure of Thermo-Lag 330 Fire Barrier Sys, Acceptable

ML20141M415
Person / Time
Site:	Vogtle
Issue date:	08/06/1992
From:	Hood D Office of Nuclear Reactor Regulation
To:	Hairston W GEORGIA POWER CO.
References
IEB-92-001, IEB-92-1, TAC-M83945, TAC-M83946, NUDOCS 9208130208
Download: ML20141M415 (7)

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2 NUCLEAR REGULATORY COMMISSION WAShlNGToN, D.C. 20666 - +

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1-Q .[.# August 6,'1992

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tDocket.Nos' 50-424 I Land 50-425 o Mr. W. G Hairston, III' Senior Vice President -

Nuclear Operations Georgia' Power' Company P.: 0. Box 1295 Bi_rmingham,- Alabama: 35201

Dear:

Mr. Hairston:

SUBJECTi RESPONSE TO NRC BULLETIN 92-01, " FAILURE OF THERMO-LAG-

-.330 FIRE-BARRIER SYSTEM" (TACS NOS. M83945/M83946)

.By letters dated June 30 and July.23, 1992~, you responded to NRC Bulletin 92-01 for the Vogtle Electric _ Generating Plant,- Units- 1 and 2.

Yourifirst,res'ponse. identified five rooms inside the two-containments containing _~small: diameter conduit coated with-Thermc-Lag 330: insulation.

However,.you / subsequently determined that-- Thermo-Lag was installed"as a radiant energy shield which:is'outside-the-scope of..the Bulletin and.did not require the.immediate action of monitoring air temperature inside-containment

~each hour. _ :Your' response stated that compensatory measures' (hourly fire patrols) have been implemented.to verify the operability of fire detectors in these five ' rooms consistent with Action Statement '7.3 of Table 9.5.1-10 of the Vogtle Final. Safety Analysis Report, and:that these fire patrols will remain Lin place until.this; issue is resolved.

- To restore fire barrier operability to the Thermo-Lag installations within the scope'of Bulletin 92-01,-you intend to;-apply-the results of an: industry;

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, program under development which ic::being coordinated by NUMARC. You note that-this program will.. establish attest database, devel_opl guidance on applicability of- tests, develop generic; installation guidance,1and coordinate additional-

~ testing as: appropriate. >

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We have reviewed your responses and find thein acceptable. Please inform us of

.any change tha_t would alter your previous responses and-inform us when all corrective actions-have been completed.

JAccordingly, the subject-TACS are' closed.. Further NRC-review, other than development and implementation of corrective actions,- will be-performed by.

finspection;and-audit.-

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W. G. Hairston, 111 August 6, 1992 If you have questions regarding this matter, contact me at (301) 504-3049.

Sincerely,

)kql. 02' Darl S. Hood, Project Manager ,

Project Directorate 11-3 Division of Reactor Projects-l/II Office of Nuclear Reactor Regulation cc: See next page

W.G.'HaIrston,-III August 6, 1992 If_ you.have questions regarding this matter, contact me at (301) 504-3049.

Sincerely,

/s/ '

Darl_S. Hood, Project Manager Project Directorate II-3 Division of Reactor Projects-I/II Office of Nuclear Reactor Regulation >

cc: See_next'page Distribution:

Docketifilei NRC PDR Local PDR PDII-3-R/F~

S.-Varga 14-E-1 G; lainas 14-H-1

- D. Matthews 14-H-25 L._ Berry- 14-H-25 --

D. Hood- 14-H-25 OGC-WF. 15-B-18 L

E. Jordan- MNBB-3302 ACRS-(10) _

P-315

. A. Masciantonio 13-D-18 R. Architzel 8-D-1 P; Madden 8-D-1

• SEE PRE OUS CONCURRENCE ' '

LA:PDII PM:PDII- SPLB* PDIII-l*  : II'3

LBeyry DHood:cw AMasciantonio D atthews 8/3/98( - 8/S /92 _8/05/92 8/05/92 8/Q/92 0FFICIAL RECORD COPY-PC Document Nsme: C:/THLAG.V0G I

e d-J Mr. W. G.'H&irston, III Georgia Power Company Vogtle Electric Generating Plant cc:

Mr. J. A. Bailey Harold Reheis, Director Manager - Licensing Department of Natural Resources Georgia Power Company 205 Butler Street, SE. Suite 1252 P. O. Box 1295 Atlanca, Georgia 30334 Birmingham, Alabama 35201 Attorney General Mr. W. B. Shipman Law Department General Manager, Vogtle Electric 132 Judicial Building Generating Plant Atla..ta, Georgia 30334 P. O. Box 1600 Waynesboro, Georgia 30830 Mr, Alan R. Herdt Project Branch #3 Regional Administrator, Region II U. S. Nuclear Regulatory Commission U. S. Nuclear Regulatory Commission 101 Marietta Street, NW. Suite 2900 101 Marietta Street, NW., Suite 2900 Atlanta, Georgia 30323 Atlanta, Georgia 30323 Mr. Ernie upin Office of Planning and Budget Program Dir etor of Power Room 615B Produttion 270 Washington Street, SW. _Oglethorpe Power Corporation Atlanta, Georgia 30334 2100 East Exchange Place Tucker, Georgia 30085-1349 Mr. C. K. McCoy Vice President - Nuclear Charles A. Patrizia, Esquire Vogtle Project Paul, Hastings, Janofsky &. Walker Georgia Power Ccmpany 12th Floor P. O. Box 1295 1050 Connecticut Avenue, NW.

Birmingham, Alabama 35201 Washington, DC 20036 Mr.'R. P. Mcdonald Art Domby, Esquire Executive Vice President - Troutman, Sanders, Lockerman Nuclear Operations and Ashmore Georgia Power Company 127 Peachtree Street P4 0. Box 1295 Atlanta, ueorgia 30303-1810 Birmingham,_ Alabama 35201 Resident Inspector Office of the County Cownissioner- U. S. Nuclear Regulatory Commission Burke County Commission P. O. Box 572 Waynesboro, Georgia 30830 Waynesboro, Georgia 30830

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1. n1 UNITED STATES I

,h.i A 411 . NUCLEAR' REGULATORY COMMISSION

1. - WASHINGTON, D.C. 20665 -

1 %gg< ,of August 6', - 1992'

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t Docist Nos.:: 502424 - l

<and=50-425 -)

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.Mr. W. G Hairston,:III

. Senior.Vice President -

< .. Nuclear Operations ~~

, Georgia Power Company '

P. O. Box 1295 Birmingham, Alab~ama. 35201

SUBJECT:

- RESPONSE =TO NRC SULLETIN 92-01', " FAILURE OF .THERMO-LAG-330 FIRE-BARRIER' SYSTEM" (TACS N05. M83945/k '946)

By letters. dated Juns'30 and July 23, 1992,'you responded to NRC Bulletin 92-Oldfor the Vogtle, Electric Generating Plant, Units 1 and 2.

.Your first" response identified five rooms inside the two containments contain.ing~small_ diameter conduit coated with Thermo-Lag 330 insulation.

Wowever,fyou subsequently determined that Thermo-Lag was-installed-as a radiant energyLshield;which}is outside the scope of the Bulletin and did not

. require-theSimmediatelaction of monitoringLair temperature inside containment

!5 t each . hour. LYour_ rasponse -stated that compensatory measures -(hourly fire patrols) have-been implemented to verify the operability of fire detectors in

these_ five rooms' consistent with Action Statement -7.3 of. Table 9.5.1-10 of the Vogtle_ Final Safety-Analysis Report,- and that these fire patrols will-remain -

Lin place until: this11ssue:is~ resolved.

, Toirastore fire barrier' operability!to the Thermo-Lag installations within the Escope 'of- Bulletin 92-_01, you intend to- apply the' results= of- an industry -

A sprogram under development ~which is being coordinated by NUMARC. __You note that y

=L :this:c program will_ establish a test database,. develop guidance on applicability ofitests, develop 1 generic installation guidance,-and coordinate additional .

Jtesting?as; appropriate.

m ' awe have reviewed your responses and find them acceptable. Please inform us of 7> any change that would alter your previous responses and inform us when all icorrective: actions have:been completed.

~

- 3 Accordingly,. thelsubject TACSLare closed. Further NRC review, other than idevelopment; anOimplementation of corrective actions, will be performed-by

inspection and audit.

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W. G. Hairston, III. August 6, 1992 If you have questions regarding this matter, contact me at (301) 504-3049.

. Sincerely, Met Ass >

Darl S. Hood, Project Manager Project Directorate 11-3 Division of Reactor Projects-I/II Office of Nuclear Reactor Regulation cc: See next page

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Mr. W. G. Hairston, Ill

Georgia Power Company Vogtle Electric Generating Plant cc

Mr. J. A. Bailey Harold Reheit, Director Manager - Licensing Department.of Natural Resources Georgia Power Company 205 Butler Street, SE. Suite 1252 P. O. Box 1295 Atlanta, Georgia 30334 Birmingham, Alabama 35201 Attorney General Mr. W. B. Shipman Law Department General Manager, Vogtle Electric 132 Judicial Building Generating Plant Atlanta, Georgia 30334 P. O. Box 1600 Waynesboro, Georgia 30830 Mr. Alan R. Herdt Project Branch #3 Regional Administrator, Region II U. S. Nuclear Regulatory Commission U. S. Nuclear Regulatory Commission 101 Marietta Street, NW, Suite 2900 101 Marietta Street, NW., Suite 2900 Atlanta, Georgia 30323 Atlanta, Georgia 30323-Mr. Ernie Toupin Office of Planning ud Budget Program Director of Power Room 6158 Froduction 270 WashEngton Street, SW. Oglethorpe Power Corporation Atlanta, Georgia 30334 2100 East Exchange Place Tucker, Georgia 30085-1349 7..

Vice President - Nuclear Charles L Patrizia, Esquire Vogtle Project Paul, Hastings, Janofsky & Walker Georgia Power Company 12th Floor P. O. Box 1295 1050 Connecticut Avenue, NW.

Birmingham, Alabama 35201 Washington, DC 20036 Mr. R. P. Mcdonald Art Domby, Esquire Executive Vice President - Troutman, Sanders, Lockerman Nuclear Operations and Ashmore Georgia Power-Company 127 Peachtree Street P. O. Box 1295 Atlanta, Georgia 30303-1810 Birmingham, Alabama 35201 Resident inspector Office of the County Commissioner U. S. Nuclear Regulatory Commission Burke County Commission P. O. Box 572 Waynesboro, Georgia 30830 Waynesboro, Georgia 30830 P

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