ML19332B772
| ML19332B772 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 11/13/1989 |
| From: | Stephen Schultz YANKEE ATOMIC ELECTRIC CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| BYR-89-164, IEB-88-010, IEB-88-10, NUDOCS 8911200123 | |
| Download: ML19332B772 (5) | |
Text
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1b 580 Main Street, Bolton, Massachutatts 01740-1398 Yxmmu.
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November 13, 1989
.BYR 89-164 United. States Nuclear Regulatory Commission
' Attn: Document Control Desk
. Washington, DC 20555-
References:
(a) License No. DPR-3'(Docket No. 50-29)
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(b) USNRC Letter to YAEC, dated November 22, 1988 (c) YAEC Letter to USNRC, dated March 31, 1989 i
(d) 'USNRC-Letter to YAEC, dated August 3, 1989 l
Subject:
Response to NRC Bulletin No. 88-10, Supplement 1, Nonconforming
' Molded-Case Circuit Breakers l
Dear. Sir:
The USNRC in Reference (d), provided Yankee additional guidance on responding to questions contained in NRC Bulletin 88-10, Nonconforming L
. Molded-Case Circuit Breakers Reference (b). Yankee has decided after L
reviewing this-guidance, to modify its original response.to this bulletin provided'in Reference (c). The modified response is attached.
'We trust this.information is satisfactory, however, if-you have any questions, please contact us.
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l Very truly yours, YANKEE ATOMIC ELECTRIC COMPANY S. Schultz Vice President j
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-BLD/b11/0273v cc: USNRC Regional Administrator Region 1 USNRC Region I USNRC Resident Inspector, YNPS f
lb 0911200123 891113 Rc ADOCK 05000029
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Utdted States Nuclear Regulatory Consnission November 13, 1989 Atta Document Control Desk Page 2 C0ft10NWEALTH Ol' MASSACHUSETTS)
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MIDDLESEX COUNTY
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Then personally appeared before me, S. Schultz, who, being duly sworn, j
did state that he is Vice President of Yankee Atomic Electric Company, that he is duly authorized to exccute and file the foregoing document in the name ar.d j
on the behalf of Yankee Atomic Electric Company and that the statements therein are true to the best of his knowledge and belief.
lf-r< O EQnt ned u f Helen D. Sansnarco Notary Public My Commission Expires November 7, 1991 l
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4 ATTACHMENT A i
9 NRC Bulletin No. 88-10
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Each reporting requirement in NRC Bulletin 88-10 is listed below with its specific response, including guidance provided in NRC Bulletin 88-10, f
t Supplement 1:
1.
All holders of operating licenses are required to provide a written report by April 1, 1989, thatt a.
Confirms that only molded-case Circuit Breakers (CBs) that meet the criteria of Item 7 of the actions requested are being maintained as stored spares for future use in safety-related applications.
Responset Yankee is maintaining as stored spares for safety-related applications only CBs that meet the criteria of Action l
Item 7.
Two CBs which passed the tests of NRC Bulletin 88-10 were removed from the stored spares due to Position 5 in NRC Bulletin 88-10, Supplement 1.
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b.
Summarizes the total number, manufacturer, model number, and to the extent possible the precurement chain of those CBs that could not be traced to the Circuit Breaker Manuf acturer (CDM) in Items 1 and 4 of the actions requested. For lustalled CBs, also identify each system in which they are/were installed.
If Item 4 of the actions requested has not been completed by April 1,1969, due to the schedule for tests in Item 3 of the actions requested, this information should be updated within 30 days of the completion of Item 4 to address those additional CBs that could not be traced to the CBM.
l Responset Summary sheets listing all nontraceable CBs in stock and in service are listed on Attachments Al and A2.
Item 4 of actions requested has been completed by Yankee Atomic Electric Company (YAEC).
c.
Confirms that Items 1, 2, 3, 4, 5, 6. and 7 of the actions requested l
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have been completed or will be implemented as requested.
Response
Action Items 1, 2, 4, 6, and 7 bsve been completed by Yankee.
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Action Item 3 is not applicable to Yankee since less than 80%
of stored spare CBs for safety-related use are traceable to the CBM.
Action Item 5 will be completed prior to restart after the 1990 refueling..
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i-ATTACHMENT A1 Safety-Related Molded-Case Circuit Breakers in Service Not Purchased from Manufacturer Application Model Manufacturer Supplier Purchase Order MPR Traceable No. 3 Battery Charger ac (1)
Westinghouse Power Conversion QA40351 87-7QA8 Yes (3)
Products No. 3 Battery Cinarger de (1)
Westinghouse Power Conversion QA40351 87-7QA8 Yes (3)
I Products VD-MOV-561 F3015 Westinghouse (2)
(2)
(2)
No Spare Battery Charger de FB2150 Westinghouse WESCO QA40337 No Transformer B Bus F3050 Westinghouse (4)
(4) 88-12QA26 No Y-177 OCB Redundant Trip FB2050 Westinghouse WESCO QA40252 87-3QA7 No 2-126 OCB Redundant Trip FB2050 Westinghouse WESCO QA40252 87-3QA7 No 4
Notes:
(1) Breaker in service and model number not visible.
(2) Breaker taken from Non-Nuclear Safety (NNS) stock and " grandfathered", original supplier unknown.
(3) Per purchasing documents from Power Conversion Products.
(4) Breaker taken from NNS stock and upgraded to Safety Class in accordance with NRC Bulletin No. 68-10.
To be replaced during 1990 Refueling Outage. 0273v
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..,.x ATTACHMENT A2' U
Safety-Related Molded-Case Circuit Breakers In Stock Not Purchased From Manufacturer
'Model No.
Quantity Manufacturer Supplier Purchase Order MPR-Traceable FB3030 1
Westinghouse WESCO/ Springfield, MA 257885 78-10QA5 QO-120 8
Square D Graybar/ Springfield, MA U-3335 80-1QA1 FB3100 1
Westinghouse WESCO/ Springfield, MA U-4007 80-6QA23 FB3100 1
Westinghouse WESCO/ Springfield, MA U-4023 80-8QA12 FB3100 1
Westinghouse WESCO/ Springfield, MA U-4044 80-9QA5 QHB-2020 2
Westinghouse Systems Control 29 % 75 81-3QA11 Traceable to CBM Iron Mountain, MI FB3110L 1
Westinghouse WESCO/ Springfield, MA QA40286 87-4QA18 FB2150 1
Westinghouse WESCO/ Springfield, MA QA40337 87-6QA14
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BQ2M10000S01 1
ITE Telenecanique QA40092 86-9QA10 l 0273v
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