ML19347B552

From kanterella
Jump to navigation Jump to search
Responds to IE Bulletin 80-19,Revision 1,re mercury-wetted Matrix Relays in Reactor Protective Sys.Specified Concerns Not Applicable as Relays Are Not Used in Protection Sys. Requests Extension to Complete NSSS Portions
ML19347B552
Person / Time
Site: Grand Gulf  Entergy icon.png
Issue date: 09/17/1980
From: Dale L
MISSISSIPPI POWER & LIGHT CO.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
AECM-80-217, IEB-80-19, IEB-80-19-R1, NUDOCS 8010150328
Download: ML19347B552 (1)


Text

7 S/d  !

MISSISSIPPI POWER & LIGEIFCOMPANY '

Helping Build Mississippi

  • P. O. B O X 16 4 0. J A C K S O N. MIS SIS SIP PI 3 9 2 0 5 NUCLEAR PRODUCTION DEPARTMENT Office of Inspection & Enforcement U.S. Nuclear Regulatory Commission Region II 101 Marietta St., N.W., Suite 3100 Atlanta, Georgia 30303 Attention: Mr. J. P. O'Reilly, Director

Dear Mr. O'Reilly:

SUBJECT:

Crand Gulf Nuclear Station Units 1 and 2 __

Docket Nos 16 and 50-417)

File 0260/L-401.0 L-860.0 ~

IE Bulletin 80-19 Revision 1 Evaluation AECM-80/217 Our preliminary investigations of IE Bulletin 80-19 Revision I have not indicated the presence of any mercury-wetted relays used in the logic matrix of the Reactor Protection System (RPS) provided by the NSSS manufacturer.

We request an extension until November 14 to allow us to complete our evaluation in the NSSS portion and investigations in the B0P portion of the plant for items identified by IE Bulletin 80-19 Revision 1.

Yours truly, L. F. Dale Nuclear Project Manager MRW/JDR:lm cc: Mr. N. L. Stampley Mr. R. B. McGehee Mr. T. B. Conner Mr. Victor Stello, Jr., Director Division of Inspection & Enforcement U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Director, Division of Reactor Operations Inspection Office of Inspection & Enforcement U.S. Nuclear Regulatory Commission Washington, D.C. 20555 60 Member Middle South Utilities System ,.

' "'t w V 1016092f