ML20215B694

From kanterella
Jump to navigation Jump to search
Responds to Re Unresolved Item Identified in Insp Rept 50-213/85-08.New Plant Process Computer Will Be Installed During Upcoming Refueling Outage.Offsite Info Sys Will Be Supplied W/Meteorological Data
ML20215B694
Person / Time
Site: Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date: 06/09/1987
From: Mroczka E
CONNECTICUT YANKEE ATOMIC POWER CO.
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
B11652, NUDOCS 8706170410
Download: ML20215B694 (2)


Text

0 I

CONNECTICUT YANKEE' ATOMIC POWER COMPANY

{

B E R L I N, CONNECTICUT P.O. BOX 270 HARTFORD, CONNECTICUT 06141 0270

\\

seamonn 203-665-5000 June 9, 1987 Docket No. 50-213 B11652 h

Re:

10CFR50.47 1

U.S.

Nuclear Regulatory Commission

' Attn Document Control Desk Washington, D.C.-

20555 l

References:

(1)

T. T. Martin letter to J.

F.

Opeka, dated May 20, 1985.

(2)

J.

F. Opeka letter to T. T. Martin, dated-Aug ust 14, 1985.

(3)

J.

F. Opeka letter to T. T. Martin, dated October 3, 1986.

Ge ntleme n :

I Haddam Neck Plant Inspection Report No. 50-213/85-08 Informational Letter in Regard to Unresolved Item No. 50-213/85-08-04 l

I&B Inspection No. 50-213/85-08 (Reference 1) identified an unresolved item (No. 50-213/85-08-04) in regard to Connecticut Yankee Atomic Power Company's ( C YAPCO ) inability to bring mete-orological monitoring equipment within tolerance ranges specified in calibration procedures.

A short term solution - utilizing spare wires in the cable between the Meteorological Building and the Control Room - was accomplished.

Reference (2) committed to evaluate long term solutions.

Part one of the long term solution involved installing a data tertinal in the control room which utilized a transmission path separate from that used for previously installed equipment.

This was reported complete in l

Reference (3) which also extended the date for part two -

replacing the analog recorders with digital data displays and installing a dedicated, real time data terminal - to December 1, 1987.

i 8706170410 870609 fr%%O

"~

PDR ADOCK 05000213 y

o 1

)

PDR l

l

. l The purpose of this letter is to inform you of the results of a reevaluation which CYAPCO has done on this issue.

The present system performs well.

The information received in the control i

room via the data terminal is accurate and reliable.

The analog recorders function well and provide a backup to the terminal.

A new plant process computer will be installed during the upcoming l

ref ueling outage.

The Offsite Information System (OFIS), which permits access of plant process computer data by several remote locations, will be operational approximately six months following the outage (about April 1988).

OFIS will be' supplied with mete-orological data.

Since this system would essentially duplicate part two of the proposed long term solution, CYAPCO intends to use OFIS in place of part two.

It should be noted that CYAPCO considers the presently installed system to be adequate in all respects and the use of OFIS to transmit meteorological data to be above and beyond that required.

Very truly yours, CONNECTICUT YANKEE ATOMIC POWER COMPANY j

\\

M<

<A)

Senior [Vice President

&f Mr'oczKs cc:

W.

T. Russell, Region I Administrator F. M. Akstulewicz, NRC Project Manager, Haddam Neck Plant P.

D.

Swetland, Resident Inspector, Haddam Neck Plant I

I i

l i

j i

l 1

l l