ML20202F772

Provides Changes to Further Clarify That Electrosleeve Use Is Limited to 2 Cycles Following Installation of First Electrosleeve

ML20202F772
Person / Time
Site:	Callaway
Issue date:	01/29/1999
From:	Passwater A UNION ELECTRIC CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TAC-MA3954, ULNRC-3955, NUDOCS 9902040172
Download: ML20202F772 (5)

Text

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Uni:n El:ctric One Ameren Plaza 4,

1901 Chouteau Avenue PO Ilox 66149 St. Louis, MO 63166-6149 2n621 t?22

• 9 4 January 29,1999 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Station PI-137 Washington, D.C. 20555-0001 ULNRC-3955 Gentlemen:

TAC No. MA 3954 hb CALLAWAY PLANT igy NN DOCKET NUMBER 50-483

1. E REVISION TO TECHNICAL SPECIFICATION 3/4.4 REACTOR COOLANT SYSTEM Eeferences: 1) ULNRC-3910 dated October 27,1998

2) ULNRC-3948 dated January 11,1999 Reference 1 transmitted an amendment request to revise Callaway Technical Specifications to use Electrosleeves to repair steam generator tubes.

Reference 2 transmitted, in part, revised wording to limit the use of Electrosleeves to 2 cycles. This transmittal provides changes to further clarify that their use is limited to 2 cycles following installation of the first Electrosleeve. Attached is a revised mark-up page (Insert to Insert A) from that transmitted by Reference 2.

This change has been reviewed and approved by the Callaway Onsite Review Committee. It does not alter the conclusion of the Significant Hazard Evaluation transmitted by Reference 1.

In addition, an identification sheet entitled " Exhibits A and B" is transmitted that makes the link between the proprietary information transmitted 1"

by Reference 2 and the Framatome Technologies, Inc. Affidavit, also transmitted by Reference 2.

If you have any additional questions, please contact us.

Sincerely,

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9902040172 990129" PDR ADOCK 05000483 Alan C. Passwater P

Q Manager, Corporate Nuclear Services KO DES /pir Attachments: Technical Specification Mark-up Exhibit A and B identification sheet t

a subsidiary of Amoren Corporation L

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STATE OF MISSOURI )

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SS CITY OF ST. LOUIS )

Alan C.

Passwater, of lawful age, being first duly sworn upon oath says that ho is Manager, Corporate Nuclear Services for Union Electric Company; that he has read the foregoing document and knows the content thereof; that he has executed the same for and on behalf of said company with full power and authority to do so; and that the facts therein stated'are true and correct to the best of his knowledge, information and belief.

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By

+8 Alan C. Passwater Manager, Corporate Nuclear Services SUBSCRIBED and sworn to before me this day of 4ena-

, 1999.

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19041 Raines Drive

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-Derwood, MD 20855-2432 Regional. Administrator U.S. Nuclear Regulatory Commission Region JRF 611 Ryan Plaza Drive Suite;400 L

Arlington, TX 76011-8064-

' Senior Resident Inspector Callaway' Resident. Office U.S. Nuclear Regulatory Commission J

8201 NRC Road-Steedman, MO 65077 l3 Mr..Mel Gray (2)

Office:of Nuclear Reactor Regulation l

U.S. Nuclear Regulatory Commission 1 White Flint, North, Mail Stop-13E16 11555 Rockville. Pike Rockville, MD 20852-2738 Manager, Electric Department Missourtfublic' Service Commission P.O.-Box 360'

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o INSERT TO INSERT A c

The plugging or repair limit for the pressure boundary portion of Electrosleeves is determined to be 20% through wall of the nominal sleeve wall thickness (as determined by NDE). The 20% plugging or repair limit will apply to inner diameter pits in Regions B and C.

All steam generator tubes containing an Electrosleeve will be removed h service-eeee-u, = :es:eu:.::em!!=:=. = = l =

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EXHIBITS A & B i

EXHIBff A FTI's Proprietary Response to Question 4 in " Request for Additional Information regarding review oflicense amendment request to allow Framatome Electrosleeving of

' steam generator tubes at Union EleGL Company's Callaway Plant, Unit 1, (Docket No.40-483), dated December 16, 1998,"

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EXHIBIT B The above listed document contains information which is considered Proprietary in accordance with Criteria b and e of the attached affidavit.

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