ML20125D243
| ML20125D243 | |
| Person / Time | |
|---|---|
| Site: | Braidwood  |
| Issue date: | 12/09/1992 |
| From: | Chrzanowski D COMMONWEALTH EDISON CO. |
| To: | Murley T NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM), Office of Nuclear Reactor Regulation |
| References | |
| IEB-88-001, IEB-88-1, NUDOCS 9212150064 | |
| Download: ML20125D243 (3) | |
Text
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) *Ccmm nw:alth Edisen 400 Opus Place 2
V.
Downers Grove, Illinois 60015
,o December 9, 1992 Dr. Thomas E. Hurley, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Attention: Document Control Desk
Subject:
Bulletin 88-01, " Defects in Westinghouse Circuit Breakers" Braidwood Units 1 and 2 NRC Docket Numbers 50-456 and 50-457
References:
(1)
M.li. Richter to A. Bert Davis letter dated January 22, 1990.
(2)
T.H. Simpkin to Dr. T.E. Murley letter dated September 9, 1992.
Dear Dr. Murley:
The purpose of this letter is to provide the inspection results on the last of the Braidwood Station circuit breakers which were within the scope of Bulletin 88-01.
The results of these Unit 2 circuit breakers are listed in Table 1 of the Attachment. Also, in this attachment, in Table 2, are the inspection results for all 73 breakers at Braidwood Station within the scope of Bulletin 88-01.
The subject NRC Bulletin requested that holders of operating.11 censes or construction permits for Nuclear Power Reactors provide information on Westinghouse series DS circuit breakers and safety concerns associated with their use. Additionally, to request that addressees using these breakers in class 1E service perform and document inspection of the alignment in the-breaker closing mechanism.
Reference (1)-reported the status of.ctrcuit breaker inspections at Braidwood Station.
At that time, 69 of the 73 breakers had been inspected and-dispositioned.
Subsequent to this response, the remaining 4 breakers, all Unit 2 Type 206, were inspected and dhpositioned.
These final four inspections closed out_the Bulletin 88-01 actions for Braidwood Station.
This information was provided in Reference (2).
140000 9212150064 921209 PDR ADOCK 05000456 5
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Dr. Murley December 9, 1992 If there are any questions or comments, please call me at (708) 663-7292.
Sincerely, ec74).
b David J. Chrzanowski Nuclear Licensing Administrator DJC/cah cc:
A. Bert Davis, Regional Administrator - RIII R. Elliott, Project Manager - NRR/PDIII-2 S. DuPont, Senior Resident Inspector (Braidwood)-
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a' Number of Type 416 Number of Type 206 Breakers Breakers Number of Breakers 0
4 Inspected Number of Breakers 0
3 Which Had Pole Shafts Replaced Due to Bad Helds Number of Breakers 0
0 Requiring-Corrective Action for Alignment Table 1 Circuit Breaker Inspection Results Final Unit 2 Breakers Number of Type 416 Number of Type 206 Breakers Breakers Number of Breakers 9
64 Inspected Number of Breakers 8
.60 Which Had Pole Shafts Replaced Due to Bad Helds Number of Breakers 0
0 Requiring Corrective Action for Alignment Table 2 Circuit Breaker Inspection Results All Braidwood Station 88-01 Circuit Breakers
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