ML19350A171

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Responds to IE Bulletin 78-01, Flammable Contact-Arm Retainers in GE CR120A Relays. No Such Relays Installed at Plant.Relays in Inventory Stock Have Mfg Date Outside Period of Interest
ML19350A171
Person / Time
Site: Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date: 02/17/1978
From: Switzer D
CONNECTICUT YANKEE ATOMIC POWER CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
CYH-78-045, IEB-78-01, IEB-78-1, NUDOCS 8102180731
Download: ML19350A171 (2)


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O CONNECTICUT YANKEE ATOMIC POWER COMPANY B E R LI N, CO N N ECTIC U T P. o. sox 270 H ARTFORD. CONN ECTICUT O.101 m....

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February 1 7, 1978 DOCKET NO. 50-213 CYH 78-045 4

U. S. Nuclear Regulatory Commission Region 1 Office of Inspection and Enforcement 631 Park Avente King of Prussia, Pennsylvania 19406 Attn:

Mr. Boyce H. Grier, Director

Reference:

Letter, B. H. Grier to D. C. Switzer, dated January 16, 1978 IE Bulletin 78-01

Dear Mr. Grier:

As requested in the above referenced document the following responses

Action Required Determine if any GE type CR120A relays are installed in safety related equip aent or in areas where fires would have potential for damaging safety equipment.

Response

No GE type CR120A relays are presently installed or utilized at the Connecticut Yankee Haddam Neck Plant.

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B. H. Grier February 17, 1978 -

Action Required Determine if such relays are included in spare parts inventory or are on order.

Response

Four (4) GE type CR120A relays are included in inventory stock. They are marked with manufacturers code "AL" signifying a manufacture date of January, 1975.

This date falls outside the period of interest May, 1968 through January 1973 and after the material changeover to Valox 310-SED.

There are none on order.

Very truly yours, CONNECTICUT YANKEE ATOMIC POWER COMPAh"?

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D. C. Switzero President RHG:MSM/jhb e

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