ML19323A222

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Notifies NRC That Shop Mods Are Being Made to Reactor Pressure Vessel.Work Involves Plugging Control Rod Driveline Return Nozzle & Replacement of safe-ends of Feedwater & Recirculation Nozzles
ML19323A222
Person / Time
Site: River Bend 
Issue date: 03/14/1980
From: Weigand J
GULF STATES UTILITIES CO.
To: Seyfrit K
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
RBG-7358, NUDOCS 8004180102
Download: ML19323A222 (1)


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GULF STATES UTELETEES COMPANY POST oFh8CEBOX 2951. OEAUMoNT,TEXA 577704 AREA CoOE 713 838-6631' March 14, 1980 RBG - 7358 File G9.5 G12.5.4 Mr. Karl V. Seyfrit, Director Nuclear Regulatory Commission, Region IV Office of Inspection and Enforcement 611 Ryan Plaza Drive Suite 1000 Arlington, TX 76011

Dear Mr. Seyfrit:

River Bend Station - Unit 1 Docket No. 50 458 This letter is to inform you of the shop modifications that are being made to the River Bend Unit l' reactor pressure vessel at CBIN.

This work involves plugging of the CRD return nozzle and replacement of the safe-ends on the feedwater and 'recire nozzles.

The work is being done in'accordance with design im-zi provements' recommended by General Electric to enhance the vessel's ability to resist thermal cycling during plant operation. Although CSU has taken title to the vessel and it has been N-stamped, GSU ~

has designated GE to act as our agent in doing the ! modification work and be responsible for the appropriate ASME documentation. We

_ understand that GE intends to commence this work as soon as possible.

If you require further information on this matter, please do not hesitate to' call.

Sincerely, k

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,.J.G. Weigand: v Vice President Operations & Technical Systems

~JGW/WJR/JMG/LAE/mb

-cc: J.W. Morvant, Director, Boiler: Inspection Division State of_ Louisiana Dept. of-Labor-

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