ML20198P829

Forwards SE Accepting Determination of Zone of Influence for Coatings in Containment of Plant,Units 1 & 2

ML20198P829
Person / Time
Site:	Zion  File:ZionSolutions icon.png
Issue date:	01/09/1998
From:	Shiraki C NRC (Affiliation Not Assigned)
To:	Kingsley O COMMONWEALTH EDISON CO.
Shared Package
ML20198P834	List: ML20198P829 ML20198P836
References
TAC-M98348, TAC-M98349, NUDOCS 9801220264
Download: ML20198P829 (4)

Text

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i

Jmuary 9,H199ft . ..

-1

Mr Oliver D. Kingsley, President '

Nucieer Generation Group: . j Commonwealth Edison Company-Executive Towers West lil- J -

i 11400 Opus Place, Suite 500 i - . y Downers Grove, IL .60515

~

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SUBJECT:

1. SAFETY EVALUATION OF THE DETERMINATION OF THE ZONE OF INFLUENCE

- FOR COATING 8 IN THE CONTAINMENT OF THE ZION NUCLEAR POWER ~ ,

STATION, UNITS 1 AND 2 (TAC NOS, M98348 AND M98349)' +

Dear Mr. Kingsleyt ,

a In letter dated February 5,1997, Commonwealth Edison Company (Comed), the licensee for --

- Zion Station, Units 1 and 2, submitted an analysis of the transport of coating pavilcies in the Zion =  ;

Station containment during a loss-of coolant accident (LOCA). The analysis was developed in -

support of Zion Station's efforts to remove faulty coatings and replace them with qualified i

l coatings. -This issue was originally raised as a result of inspections during the Zion Station,-

N  : Unit 2 refueling outage (Z2R14) in the summer of 1996, which indicated that there were p oblems  ;

~

' with the coatings inside the containment. ,To complete its review of the licensee's submittal, the '

staff requested additional information in a letter dated May 23,1997, to which Comed responded -

in a letter dated September 5,1997.

Based on its review, the staff concluded that Comed's analysis described in the February 5,

' 1997, submittal, and supplemented in a letter dated September 5,1997, and the removal of

_ unqualified and undocumented coatings within the zone of influ6nce and recoating activities,-

4 have resulted in containment coatings that are acceptable for the restart and operation of Zion -

Station. Unit 2. Furthermore, the staff concluded that the same analysis and actions in removing L unqualified and undocumented coatings and recoating on Zion Station, Unit 1, would iesult in containment coatings that are acceptable for the restart and operation of Unit 1. It should be

' noted that the staff has raised this issue generically in Information Notice 97-13 and issued a

- draft Generic Letter _for comment on May 13,1997 (62 FR 26331). As a result of further ,

' information that is acquired, the sta:f's position on this issue concoming Zion Station could change and require additionalinformation or work on the part of Comed. k original signed by 1,.'Rossbach for:

E

+

Clyde Y. Shiraki, Project Manager Project Directorate lil 2 j

-(

Division of Reactor Projects lilllV Docket Nos.i S0-295 and 50-304

Enclosure:

Safety Evaluation i

.cC WNncl; ~ See neMt page- f .

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Joeste cessenger JMedo# ' RLebel .*SE dated 11/1847. No subelenuve changes l, t ooCuMENT NAME: 0%MNTsP2 TON 2WsHs sER - "SE deled 11/2947. No eubelenhve changes l' To senssve e e av ereC weie in the hee: -c = conv wanoui encieeur= E Copy won enceosurn w No copy

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

z*- January 9;'1998  ;

a it Mr. Oliver D. Kingsley, President Nuclear Generation Group  ;

Commonwealth Edison Company:  ;

Executive Towers West lil .

(

1400 Opus Place, Suite 500 -

Downers Grove, IL 60515  :

SUBMOT: SAFETY EVALUATION OF THE DETERMINATION OF THE ZONE OF INFLUENCE FOR COATINGS IN THE CONTAINMENT OF THE ZION NUCLEAR POWER - '

STATION, UNITS 1 AND 2 (TAC NOS. M98348 AND M98349)

Dear Mr. Kingsley:

In letter dated February 5,1997, Commonwealth Edison Conipany (Comed), the licensee for -

Zion Station, Units 1 and 2, submitted an analysis of the transport of oosting particles in the Zion . .

Station containment during a loss-of-coolant accident (LOCA). The analysis was developed in =

support of Zion Station's efforts to remove faulty coatings and replace them with qualified

!. costings. This issue was originally raised as a result of inspections during the Zion Station,-

Unit 2 refueling outage (Z2R14) in the summer of 1996, which indicated that there were problems

= with the coatings inside the containment. To complete its review of the licensee's submittal, the j staff requested additional information in a letter da.ed May 23,1997, to which Comed responded i

in a letter dated September 5,1997, Based on its review, the staff concluded that Comed's analysis described in the February 5, ,

1 1997, submittal, and supplemented in a letter dated September 5,1997, and the removal of

, unqualified and undocumented coatings within the zone of influence and recoating activities, '

have resulted in containment coatings that are acceptable for the restart and operation of Zion -

Station, Unit 2. Furthermore, the staff concluded that the same analysis and actions in removing unqualified and undocumented coatings and recoating on Zion Station, Unit 1, would result in containment coatings that are acceptable for the restart and operation of Unit 1. It should be noted that the staff has raised this issue generically in Information Notice 97-13 and issued a draft Generic Letter for comment on May 13,1997 (62 FR 26331). As a result of further information that is acquired, the staff's position on this issue concoming Zion Station could change and require additional information or work on the part of Comed.

. Sincerely, original signed by L. Rossbach for:

Clyde Y. Shiraki, Project Manager

Project Directorate lll-2 Division of Reactor Projects - til/IV Office of Nuclear Reactor Regulation Docket Nos. 50-295 and 50 304

Enclosure:

Safety Evaluation oc w/ encl: See next page oisTaisuTic y osometFue PuSLIC POS2 til EAdoneem RCapre CLi*sid CMoore LReestoch THerste (sE only) oGC.015818 ACRs.T2E26 AVegel. Rill oGrant, Rlli Josvte CSertg. JMedoft RLebel *sE dated 11/1s47. No substantive changeo

' DOCUMENT NAME: GTMNTsPEION2108348.sER -

• • sE deled 11/2947. No euhotenleve changes

. Tmeesve e o ev et ano deewnent inmeste in the bes: c = c y wahout enclosuru *E" = Coy wnh enclosurn "N" = No oey

,,orrect PM Pos2 14 LA PoS2 .I DPD12 le EMCB l ScSB l NAME csHIRA101thtl f- cMooRE/1J10 M RCAPRA Ra JDevis* Cserencer* n onTE otibes t oirVise olis see 12/ s7 12/ /s7 OFFICIAL RECORD COPY

.. a - ._, - _ _ _ _ _ _ . u , - - . -_ __- -

. *1 *t UNITED STATES f '

NUCLEAR RECULATORY COMMISSIEN g

) WASHINGTON, D.C. 30006-8001

%,*****f January 9. 1998 l

i Mr. Oliver D. Kingsley, President Nuclear Generation Group  !

Commonwealti Edison Company ,

Executive Towoo West lll  !

1400 Opus Place, Suite 500 Downers Grove,IL 60515

SUBJECT:

SAFETY EVALUATION OF THE DETERMINATION OF THE ZONE OF INFLUENCE I

FOR COATINGS IN THE CONTAINMENT OF THE ZION NUCLEAR ?OWER STATION, UNITS 1 AND 2 (TAC NOS. M98348 AND M98349)

Dear Mr. Kingsley:

In letter dated February 5,1997. Commonwealth Edison Company (Comed), the licensee for Zion Station, Units 1 and 2, submitted an analysis of the transport of coating particles in the Zion Station containment during a loss-of coolant accident (LOCA). The analysis was developed in support of Zion Station's efforts to remove faulty coating 3 and replace them with qualified coatings. This issue was originally raised as a result of inspections during the Zion Station, Unit 2 refueling outage (Z2R14) in the summer of 1996, which indicated that there were problems with the coatings inside the containment. To complete its review of the licensee's submittal, the staff requested additional informatica in a letter dated May 23,1997, to which Comed responded  ;

in a letter dated September 5,1997.

Based on its review, the staff concluded that OomEd's analysis described in the February 5, 1997, submittal, and supplemented in a letter datea September 5,1997, and the removal of unqualified and undocumented coatings within the zone of influence and recoating activities, have resulted in containment coatings that are acceptable for the restart and operation of Zion Station, Unit 2. Furthermore, the staff concluded that the same analysis and actions in removing unqualified and undocumented coatings and recoating on Zion Station, Unit 1, would result in containment coatings that are acceptable for the restart and operation of Unit 1. It should be noted that the staff has raised this issue genericalh in Information Notice 97-13 and issued a draft Generic Letter for comment on May 13,1997 (Ci FP 26331). As a result of further information that is acquired, the staff's position on this issue conceming Zion Station could change and require additionalinformation or work on the part of Comed.

Sincerely, G- er.#

d4-' Clyde Y. Shiraki, Project Manager Fioject Directorate ill-2 Division of Re ictor Projects - til/IV Office of Nuclear Reactor Regulation Docket Nos. 50 295 and 50-304

Enclosure:

Safety Evaluation cc w/ encl: See next page

' O. Kingsley Zion Nuclear Power Station ..

Commonwealth Edison Company - Units 1 and 2 oc:

MichaelI. Miller, Esquire Mr. Michael J. Wallace Sidley and Aus9n .

Nuclear Serv 6ces Senior Vice President

'One First Na90nal Plaza Commonwealth Edison Company -

Chica00, Illinois 60603 Executin Towers West til -

1400 Opus Place, Suite 900 Dr. Cecil Lue-Hing Downers Grove,IL 60515 Director of Resourch and Development Metropolitan Sanitary District Mr. Gene H. Stanley of Greater Chicago PWR's Vice President 100 E. Erie Street Commonwealth Edison Company -

Chica0o, Illinois 60611 Executive Towers Westlil '

1400 Opus Place, Suite 900 Phillip Steptoe, Esquire Downers Grove,IL 60515 Sidley and Austin One First National Plaza Mr. Steve Perry i ' Chicago, Illinois 60603 BWR's Vice President Commortweelth Edison Company Mayor of Zion Executive Towers West 111

. Zion, Illinois 60099 1400 Opus Place, Suite 900 Downers Grove,ll 60515 Commonwealth Edison Company Site Vice Presids..!- Zion Mr. Dennis Ferrar 101 Shiloh Blvd. Regulatory Services Manager Zion, Illinois 60099-2797 Commonwealth Edison Company Executive Towers West til 1 lilinois Department of Nuclear Safety 1400 Opus Place, Suite 500 Office of Nuclear Facility Safety Downers Grove,IL 60515 1035 Outer Park Drive SprinOfleid, Illinois 62704 Ms. Irene Johnson, Licensing Director Nuclear Regulatory Services U.S. Nuclear Regulatory Commission Commonwealth Edison Company Zion Resident inspectors Office Executive Towers West lli 105 Shiloh Blvd. 1400 Opus Pice, Suite 500 Zion, Illinois 60099 Downers Grove,IL 60515 Regional Admirustrator Commonwealth Edison Company

' U.S. NRC, Region 111 Reg. irssurance Supervisor-Zion 601 Warrenville Road 101 Shiloh Blvd.

Usle, Illinois 60532-4351 Zion, Illinois 60099-2797 Commonwealth Edison Company Zion Station Manager 101 Shiloh Blvd.

- Zion, Illinois 60099-2797 Document Controf Desk Uconsing Commonwealth Edison Company 1400 Opus Place, Suite 400 DownersGrove, Illinois 60515

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