ML20246B749

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Forwards Resident Safety Insp Rept 50-423/89-04 on 890405-0515.No Violations Noted.Response Requested within 30 Days Re Util Evaluation of Contained Operability of Transmitters Installed
ML20246B749
Person / Time
Site: Millstone Dominion icon.png
Issue date: 06/28/1989
From: Wenzinger E
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To: Mroczka E
CONNECTICUT YANKEE ATOMIC POWER CO.
Shared Package
ML20246B752 List:
References
NUDOCS 8907100088
Download: ML20246B749 (2)


See also: IR 05000423/1989004

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JUN 2 81989

Docket / License: 50-423/NPF-49

Northeast Nuclear Energy Company

ATTN: Mr. Edward J. Mroczka

Senior Vice President - Nuclear

Engineering and Operations Group

P.O. Box 270

Hartford, Connecticut 06101-0270

Gentlemen:

Subject: Millstone 3 Routine Inspection 50-423/89-04 (4/5/89 - 5/15/89)

The enclosed report refers to the routine resident safety inspection conducted

on April 5 through May 15, 1989 at the Millstone Nuclear Power Station, Unit.3.

The results of the inspection are described in the NRC Region I Inspection Re-

port enclosed with this letter and were discussed with Mr. C. H. Clement of

your staff at the conclusion of the inspection.

.

Report Section 8.0 describes further NRC review of Rosemount transmitters.

Your initiatives and leadership in evaluating transmitter failures and notify-

ing the NRC of this safety issue are commendable. We remain very interested in

your evaluation of the continued operability of installed transmitters, and in

your conclusions regarding failure probability and the adequacy of the present

instrument calibration interval. Please address these matters in a written

response to this inspection within 30 days of receiving this letter.

Your cooperation with us is appreciated.

Sincerely,

CRIGINAL SIGNED BY

Edward C. Wenzinger, Acting Chief

Projects Branch No. 1

Division of Reactor Projects

Enclosure: NRC Region I Inspection Report 50 423/89-04

8907100088 890628

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cc w/ encl:

W. D. Romberg, Vice President, Nuclear Operations

R. M. Kacich, Manager, Generation Facilities Licensing

D. O. Nordquist, Director of Quality Services

S. E. Scace, Station Superintendent

C. H. Clement, MP3 Superintendent

D. B. Miller, Station Superintendent, Haddam Neck

Public Document Room (PDR)

-Local Public Document Room (LPDR)

Nuclear Safety Information Center (NSIC)

NRC Senior Resident Inspector

State of Connecticut

bec w/ encl:

Region I Docket Room (with concurrences)

Management Assistant, DRMA (w/o enclosures)

DRP Section Chief

D. Jaffe, LPM, NRR

R. Bores, DRSS

J. Strosnider, DRS

M. Perkins, DRMA

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