ML18143A975

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R. E. Ginna - Inspection of Hydraulic Shock Absorbers (Snubbers)
ML18143A975
Person / Time
Site: Ginna Constellation icon.png
Issue date: 12/23/1975
From: White L
Rochester Gas & Electric Corp
To: Goller K
Office of Nuclear Reactor Regulation
References
Download: ML18143A975 (4)


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NRC DIS%IBUTION FOR PART 50 DOCKET Mssl ERIAL (TEMPORARY FORM)

CONFRO~ No:

14281 FILE' ROM Rochester Gas It( El ec.

or Rochester, N..Y..

L.D. White Jr.

'ATE OF DOC 12-23-75 DATE R EC'D 12-29-?5 LTR "XXX TMIX I

RPT OTHER TO:

Karl Goller ORIG CC OTHER SENT NRC PDR SENT LOCALPDR XXX XXX CLASS UNCLASS PROP INFO INPUT NO CYS REC'D l

DOCKET NO:

50-2 DESCRIPTION:

Letter.Re. our.letter of 3.1-2-75....

Letter concerning period>c snspec't'ion of hydra shock absorbers 'that was completed-12-10-75...

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ROCHESTER GAS AND ELECTRIC CORPORATION 0

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89 EAST AVENUE, ROCHESTER, N.Y. 14649 LEON O. WHITE, JR.

VICC PRSSIDSNT TE1.SPOONS AREA COCK 7 IS 546-2700 D

1975 Director of Nuclear Reactor Regulatio t

Attn: Mr. Karl Goller Assistant Director for Operating, Division of Reactor Licensing U. S. Nuclear Regulatory Commission Washington, D. C.

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Subject:

Inspection of Hydraulic Shock Absorbers (Snubbers)

R. E. Ginna Nuclear Power Plant, Unit No.

1 Docket No. 50-244

Dear Mr. Goller:

In accordance with Mr. Skovholt's letter of October 1, 1973, con-cerning periodic inspection of hydraulic shock absorbers (snubbers),

an inspection of all snubbers both inside and outside of containment was completed on December 10, 1975.

All snubbers were considered operable at this inspection.

Fluid was added to the reservoir of the "A" Steam Generator Anker-Holth restraints.

The source of leakage could not be determined.

The present leakage rate is not sufficient for maintenance prior to the refueling shut-down.

Upon adding fluid to one Bergen-Paterson unit, leakage was observed at the accumulator, indicating a possible scored cylinder in the area of the desired fluid level.

The unit willbe monitored more frequently until plant conditions facilitate the replacement of the accumulator.

t Very truly yours, L. D. Whi, Jr.

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