ML19325E678
| ML19325E678 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 10/02/1989 |
| From: | Godwin G BW/IP INTERNATIONAL, INC. (FORMERLY BYRON JACKSON |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| REF-PT21-89, REF-PT21-89-192-000 CFRN-8901, PT21-89-192, PT21-89-192-000, NUDOCS 8911080240 | |
| Download: ML19325E678 (5) | |
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Annen c.rnas Ceestrifugal yg3 99 p:q)g Pumps Pung Omskm
.2 October 1989 l"
i Administrator, Office of Inspection c
and Enforcement, Region V L
U. S. Nuclear Regulatory Commission F
1450 Maria Lane, Suite 210 Walnut Cteek, California 94596 Gentlemen:
i This letter transmits a notification of defects, and nonconformances I
required by 10CFR - Part 21. The attached notificatAon, CFRN-8901, reports a condition which occurred st Texas Utilities Comanche Peak Steam Electric Station.
Very'truly yours, G. C. G dwfn Manager Los Angeles Operations CCG/ah P
Attach:
3 Copies of Notification i
cc:
Mr. F. J. Borgers, Vice President Operations Mr. E. B. Fiske, Directer of ngineering Mr. R. D. Ham, Manager of Quality Dr. S. Gopalakrishnan, Manager of Engineering 9
D S 100 60 Dr. K, A. Huber, Technical Liaison Mr. W. A. Klenner, Project Manager A N01038 CUN 03Al3038 9911080240 891002
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10 CFR PART 21 NOTIFICATION ~
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NAME AND ADDRESS-OF THE INDIVIDUAL' OR INDIVIDUALS INFORMING THE COMMISSION: ~-
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Mr. G,-C.'Godwin
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' BW/IP' International, Inc.
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. Pump. Division Los Angeles'0peration
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(213) 587,,171 4
lf For Technical Information
Contact:
Dr. Kent Huber i
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IDhNTIFICATIONOFTHEFACILITY,THEACTIVITY,ORTHEBASICCOM-i l'
PONENT SUPPLIED FOR SUCH FACILITY OR SUCH ACTIVITY WITHIN THE. UNITED.
' STATES WHICH FAILS TO COMPLY OR CONTAINS A DEFECT:
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Texas Utilities, Comanche Peak Steam Electric. Station.
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Basic Component, High Pressure Swing Check Valve. Serial No'..17145 i
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Drawing No. 76490.- Texas Utilities Tag'No. lSW-048.
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U (IDENTIFICATION OF THE FIRM CONSTRUCTING THE FACILITY OR SUPPLYING THE BASIC COMPONENT WHICH FAILS TO COMPLY OR CONTAINS A DEFECT:
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BW/IP International, Inc.
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Successor to:
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Borg-Warner Nuclear Valve Division
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Van Nuys, CA 91409
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10' CFR, Pirt ' 21, NotificOtion t
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(Ref. No..CFRN-8901) vi i2 C
NATURE OF THE' DEFECT 'OR' FAILURE 'ID COMPLY AND THE SAFETY HAZARD WilICH plh IS CREATED OR COULD'BE CREATED BY SUCH DEFECT OR FAILURE TO COMPLY:
' Nature of Defect:
.The' swing arm in,the valve was found broken-during an inspection at the.
Comanche Peak Steam Electric Station.
Safety hazard whichfiw created or
- could'be created is' unknown, due to insufficient knowledge of component S'
. service and. mode ofLoperation.
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h THE DATE ON WHICH THE INFORMATION OF' SUCH DEFECT OR FAILURE' TO COMPLY D
WAS OBTAINED:
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The incident was intially reported to BW/IP-International'on.
20 June 1989. Additional information concerning the failure has K
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' subsequently.been: supplied by Texas Utilities.
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.IN THE CASE OF A BASIC COMPONENT WHICH CONTAINS A DEFECT OR FAILS TO COMPLY, THE NUMBER AND LOCATION OF ALL SUCH COMPONENTS IN USE AT, SUPPLIED FOR, OR BEING~ SUPPLIED FOR ONE OR MORE FACILITIES OR ACTIVITIES SUBJECT TO THE REGULATIONS IN THIS PART:
Initial investigation of the failed component has indicated no defects or failure to comply, nor has BW/IP received any notification of similar failures in.like components in operating plants with many years of service (see' Attachment A).
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{ww"J.,- q; 10: CFR, P2rt 21,[Notificitions w'. :
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THE CCRRECTIVE' ACTION '!HICH HAS-BEEN, IS BEING, OR WTLL DE TAKEN; THE HAME. O.t THE INDIVIDUA*a OR ORGANIZATION RESPONSIBLE FOR TIIE ' ACTION; AND' Td? if7A' OF TE4E THAT HAS BEEN OR WILL BE TAKEN TO COMPLETE THE K
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"c, Texas Utility.is performing a failure analysis on the broke" arm. As i*
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W <of this date BW/IP-International has not completed'their review of.
this effort'. After the review is complete, BW/IP.will perform an
. independent evaluation as appropriate.-
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A1:Y ADVICE RELATED TO THE DEFECT OR FAILURE TO COMPLY ABOUT THE FACILITY.t ACTIVITY, OR BASIC COMPONENT THAT HAS BEEN,' IS BEING, OR WILL BE GIVEN' TO PURCHASERS OR LICENSEES:-
To date this is the only known instance of a swing check valve arm-f ailure of any. Borg-Warner Nuclear Valve.
However, BW/IP will inform customers of this failure.
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E ATTACHMENT A u
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10CFR, PART 21 S
(REF. No. CFRN 8901) l L~
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Florida Power & Light, St. Lucie Station U
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Texas Utilities Generating Co., Comanche Peak Station 3.
Washington Public' Power Supply System, WNP 3 SATSOP l
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~ Tennessee Valley Authrity. Browns Ferry Station
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Tennessee Valley Authority, Watts Bar Station i.
6.
Arkansas Power and Light, ANO-1 I
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Arizona Public Service Co., Palo Verde Station i'
8.
Cleveland Electric Illuminating Co., Perry Nuclear Station i
i 9.
Duke Power Company,!!cGuire Station 10.
Duke Power Company, Catawba Station 11.
Societe Belgo-Francaise d'Energie, Tihange Station
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12.
Taiwan Power Company, Maanshan Station l
13.
Nuklearna Elektrana Krsko, Krsko Station P
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