ML20006D521
| ML20006D521 | |
| Person / Time | |
|---|---|
| Site: | Zion File:ZionSolutions icon.png |
| Issue date: | 02/06/1990 |
| From: | Chandu Patel Office of Nuclear Reactor Regulation |
| To: | Kovach T COMMONWEALTH EDISON CO. |
| Shared Package | |
| ML20006D522 | List: |
| References | |
| IEB-88-002, IEB-88-2, TAC-67332, NUDOCS 9002140003 | |
| Download: ML20006D521 (3) | |
Text
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February 6,1990 l
DISTRIBtr DN
_d,WDeast. c m 3 NRC & Local PDRs l
Docket No. 50-295_
PDIll-2 r/f LLuther CPatel OGC
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Thomas J. Kovach Plant File DNeighbor j
l Nuclear Licensing Manager Comonwesith Edison Company-Suite 300 l
OPUS West Ill-1400 OPUS Place c
Downers Grove, Illinois 60515 Dear Mr. Kovach-i
SUBJECT:
NRC BULLETIN NO. 88-02:
RAPIDLY PROPAGATING FATIGUE CRACKS IN STEAM GENERATOR TUBES, ZION UNIT ~1 (TAC NO. 67332) l
.'On' February 5.1988, the NRC staff issued NRC Bulletin 88-02, Rapidly l
Propagating F eigue Cracks in Steam Genarator Tubes." Basically, the Bulletin requested that holders of operating licenses for plants with Westinghouse steam
- generators employing carbon steel support plates implement certain actions to i
minimize the potential for a steam generator tube rupture event caused by a l
rapidly pr4pagating fatigue crack.
i The NRC' staff has reviewed the actions taken by the Commonwealth Edison Company (CECO) in response to this Bulletin, as documented by your letters
_ dated March 24, April 8, and September 27, 1988. Our Safety Evaluation Report-i L
(SER) for Zion Unit 1, is enclosed. The staff finds Ceco's submittal to be acceptable subject to adoption of additional administrative controls by CECO y',
, as described in the conclusion of the enclosed SER. This completes our l
Jactions on this subject for Zion Unit 1.
We have previously completed our review of Zion Unit 2 under a separate correspondence.
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Sincerely, Original signed by.
l Chandu P. Patel, Project Manager Project Directorate 111-2 Division of Reactor Projects - 111, IV, Y and Special Projects Office of Nuclear Reactor Regulation
Enclosure:
Safety Evaluation Report cc w/ enclosure:
See next page OFFICIAL RECORD COPY Document Name: 67332 BULLETIN PD1
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i February 6,1990 l
Docket No. 50-295 Thomas J. Kovach Nuclear Licensing Manager l
Commonwealth Edison Company-Suite 300 OPUS West III 1400 OPUS Place
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Downers Grove, Illinois 60515
Dear Mr. Kovach:
SUBJECT:
' NRC BULLETIN NO. 88-02: RAPIDLY PROPAGATING FATIGUE CRACKS IN STEAM GENERATOR TU;iES, ZION UNIT 1 (TAC NO. 67332) l On February 5,1988, the NRC staff issued NRC Bulletin 88-02, " Rapidly Propagating Fatigue Cracks in Steam Generator Tubes." Basically, the Bulletin requested that holders of operating licenses for plants with Westinghouse steam generators employing carbon steel support plates implement certain actions to minimize the potential for a steam generator tube rupture event caused by a i
rapidly propagating fatigue crack.
The NRC staff has reviewed the actions taken by the Commonwealth Edison Company (CECO) in response to this Bulletin, as documented by your letters dated March 24, April 8, and September 27, 1988.
Our Safety Evaluation Report (SER)forZion, Unit 1,isenclosed. The staff finds Ceco's submittal to be acceptable subject-to adoption of additional administrative controls by Ceco as described in the conclusion of the enclosed SER. This completes our actions on this subject for Zion Unit 1.
We have previously completed our review of Zion Unit 2 under a separate correspondence.
Sincerely, k% $0 Chandu P. Patel, Project Manager ProjectDirectorate!!I-2 Division of Reactor Projects - 111, IV, Y and Special Projects Office of Nuclear Reactor Regulation
Enclosure:
Safety Evaluation Report cc w/ enclosure:
l See next page 1
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Mr. Thomas J. Kovach Zion Nuclear Power Station Connonwealth Edison Company Units 1 ano 2 cc:
Robert J. Vollen. Esquire Mr. Michael C. Parker, Chief 109 North Dearborn Street Division of Engineering Chicago, Illinois 60602 Illinois Department of Nuclear Safety Dr. Cecil Lue-Hing 1035 Outer Park Drive 5th Floor Director of Research and Development Springfield, Illinois 62704 Metropolttan Sanitary District of Greater Chicago 200 East Erie Street Chicago, Illinois 60611
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Phillip Steptoe Esq.
$1dleyandAustIn One First National Plaza Chicago, Illinois 60603 Mayor of Zion Zion, Illinois 60099 Illinois Department of Nuclear Safety ATTN: Mana:!er,NuclearFacilitySafety 1035 Outer I ark Drive 5th Floor L
Springfield, Illinois 62704 U.S. Nuclear Regulatory Commission Resident Inspectors Office 105 Shiloh Blvd.
i Zion. Illinois 60099 Regional Administrator, Region !!!
L U.S. Nuclear Regulatory Connission l
799 Roosevelt Road, Bldg. f4
-Glen Ellyn, Illinois 60137 1
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