ML20113E290
| ML20113E290 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 06/28/1996 |
| From: | Cruse C, Curse C BALTIMORE GAS & ELECTRIC CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20113E294 | List: |
| References | |
| REF-GTECI-A-46, REF-GTECI-SA, REF-GTECI-SC, TASK-A-46, TASK-OR GL-87-02, GL-87-2, TAC-M69435, TAC-M69436, NUDOCS 9607050226 | |
| Download: ML20113E290 (3) | |
Text
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4 CHARLES H. CuUso Baltimore Gas and Electric Company Vice President Calvert Cliffs Nuclear Power Plant Nuclear Energy 1650 Calven Cliffs Parkway Lusby, Maryland 20657 410 495-4455
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s June 28,1996 i
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U.S.N Regulatory Commission Washin DC 20555 l
ATTE N:
Document Control Desk 3 ;
SUBJECT:
Calvert Cliffs Nuclear Power Plant Unit Nos.1 & 2; Docket Nos. 50-317 & 50-318 Summary Reoort for Resolution of USI A-46 (TAC Nos. M69435: M69436)
REFERENCES:
(a)
Letter from Mr. H. R. Denton (NRC) to Mr. J. A. Tiernan (BGE), dated February 19,1987, " Verification of Seismic Adequacy of Mechanical N.
and Electrical Equipment in Operating Reactors, Unresolved Safety F
Issue (USl) A-46 (Generic Letter 87-02)"
I (b)
Letter from Mr. J. G. Padow (NRC) to Mr. G. C. Creel (BGE), dated
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May 22,1992, " Supplement No. I to Generic Letter (GL) 87-02 that 4 -
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Transmits Supplemental Safety Evaluation Report No. 2 (SSER No. 2) on SQUG Generic Implementation Procedure, Revision 2, As Corrected on February 14,1992,(GIP-2)"
(c)
" Generic Implementation Procedure (GIP) for Seismic Verification of i
Nuclear Plant Equipment," Revision 2, Corrected 2/14/92, Seismic Qualification Utility Group (SQUG)
(d)
Letter from G. C. Creel (BGE) to Document Control Desk (NRC),
September 18,1992, " Response to Generic Letter 87-02, Supplement 1 on Seismic Qualification Utility Group (SQUG) Resolution of w
USI A-46" In Generic Letter 87-02 (Reference a), the Nuclear Regulatory Commission (NRC) endorsed a process for resolution of Unresolved Safety Issue (USI) A-46, and encouraged the affected nuclear power plant I
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licensees to participate in a generic program. Supplement I to Generic Letter 87-02 (Reference b) requested a commitment to the Generic Implementation Procedure (GIP-2) (Reference c) prepared by the Q
9007050226 960629 hDR ADOCK 05000317 PDR
e Document Control Desk June 28,1996 Page 2 Seismic Qualification Utility Grcup, a schedule for the implementation of the GIP, and a future submission of a report summarizing the results of the USI A-46 program. In Reference (d), Baltimore Gas and Electric Company committed to implement GIP-2, including the clarifications, interpretations, and exceptions in the Supplemental Safety Evaluation Report No. 2, and to inform the NRC Staff of any significant or programmatic deviations from GIP guidance. We agreed to submit a summary of the results of the USI A-46 evaluation by June 30,1996.
This letter forwards a summary of the results of the USI A-46 evaluation for Calvert Cliffs Nuclear Power Plant Units 1 and 2. This letter also confirms that no significant or programmatic deviations from the GIP guidance were made during the USI A-46 resolution process. However, there were situations where the intent, but not the letter, of the GIP caveats were met. These situations are minor deviations from the GlP and are detailed in Section 5.2, " Instances of Intent but Not Letter of Caveat Met" of Attachment (1).
USI A-46 REPORTS
- Section I.2.2.8 of GIP-2 requires that a plant-specific summary report be submitted to the NRC, including a proposed schedule for future outlier resolution. Further, GIP-2, Section 11.9 describes documentation that should be developed for submittal to the NRC, and includes a composite Safe l-Shutdown Equipment List, a Relay Evaluation, a Seismic Evaluation, and a Completion Letter. This letter constitutes our summary report. Attachment (1) is the Seismic Evaluation Report which includes L
the composite Safe Shutdown Equipment List. Attachment (2) is the Relay Evaluation Report. The Completion Letter will be submitted 90 days after the planned actions for resolution of USI A-46 at Calvert Cliffs have been completed.
OUTLIERS Outliers, as defined by GIP-2, were identified during the seismic and relay reviews. These outliers are described in detail in Section 5.3, " Summary of Outliers" of Attachment (1).
l Each of the outliers identified during implementation of the USI A-46 program was evaluated against our current licensing and design bases for equipment seismic qualification. A total of 311 deviations were identified and entered into our site corrective action process. Outlier descriptions and their resolution can be found in Section 5 of Attachment (1).
l Currently, there are 35 unresolved outliers. The schedule for resolving them is provided in Section 5.3 of l-Attachment (1). We plan to resolve all of them by July 31,1998. The schedule to resolve them is consistent with their safety significance. They are being resolved on a routine basis as plant conditions permit.
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' Document Control Desk l
June 28,1996 Page 3 o
Should you have questions regarding this matter, we will be pleased to discuss them with you.
Very truly yours,
~
- TO WIT:
COUNTY OF CALVERT :
I hereby certify that on the c28 day of Tune
,19 7d before me, the subscriber, a g
Notary Public of the State of Maryland in and for Co/ved Coo nl/J
. personally appeared Charles II. Cruse, being duly sworn, and states that he is Vice Preside /it of the Baltimore Gas and Electric Company, a corporation of the State of Maryland; that he provides the foregoing response for the purposes therein set forth; that the statements made are true and correct to the best of his knowledge, information, and belief; and that he was authorized to provide the response on behalf of said i
Corporation.
WITNESS my IIand and Notarial Scal:
N O-Notary Public My Commission Expires:
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/ Date CllC/JMO/ dim Attachments: (1) USI A-46 Seismic Evaluation l
(2) USI A-46 Relay Evaluation cc:
(Without Attachments)
D. A. Brune, Esquire T. T. Martin, NRC J. E. Silberg, Esquire Resident Inspector, NRC Director, Project Directorate I-1, NRC R. I. McLean, DNR A. W. Dromerick, NRC J. II. Walter, PSC l
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