ML19242B204

From kanterella
Jump to navigation Jump to search
Responds to IE Bulletin 79-11 Re Faulty Overcurrent Trip Devices in Westinghouse Circuit Breakers.Westinghouse Type DB Circuit Breakers Are Not Used in safety-related Class IE Circuits
ML19242B204
Person / Time
Site: Yankee Rowe
Issue date: 07/07/1979
From: Groce R
YANKEE ATOMIC ELECTRIC CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
IEB-79-11, WYR-79-77, NUDOCS 7908070673
Download: ML19242B204 (1)


Text

73 Telephone 617 366-90ll rwx 710-390-0739 YA!iKEE ATOMIC ELECTRIC COMPANY B. 4. 2. 1 WYR 79-77

&h 20 Turnpoke Road Westborough, Massachusetts 01581 Nb KEE '-

  • s s

July 7, 19/9 United States Nuclear Regulatory Commission Region I 631 Park Avenue King of Prussia, Pennsylvania 19406 Attention:

Mr. Boyce H. Grier, Director

References:

(1) License No. DPR-3 (Docket No. 50-29)

(2) USNRC, Region 1 letter, dated May 22, 1979 IE Bulletin 79-11

Dear Sir:

ect:

Faulty Overcurrent Trip Devices

.n Westinghouse DB Circuit creakers Reference (2) required Yankee Rowe to determine if Westinghouse type DB circuit breakers are installed in sa fety-rt lated Class 1E circuits or in spares.

Yankee Rowe has determined that the subject circuir breakers are not used in safety-related Class 1E circuits.

We plan no further action on IE Bulletin 79-11 We trust that you find this information sa tis f actory ; however, if you require ny additional in f o rma tio n, please contact us.

Very truly yours, YA" FEE ATOMIC ELECTRIC COMPANY M

Robert H. Groce Licensing Engineer PRJ/jgh t,

790807067'3