ML20082H108

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Informs That Util Has Determined Necessary to Revise Dates of First Ten Yr ISI Interval,In Order to Effectively Implement Requirements of Section XI of ASME B&PV Code
ML20082H108
Person / Time
Site: Limerick Constellation icon.png
Issue date: 04/06/1995
From: Hunger G
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9504140173
Download: ML20082H108 (1)


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PECO ENERGY- il 2 2 6 965 Chesterbrook Boulevard l

Wayne, PA 19087-5691 ,

AprE 6,1995.

Docket No.~ 50-352 License No. NPF-39 '

U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

Subject:

Limerick Generating Station, Unit 1 Revision of Inservice inspection Interval Dates ,

for the First Ten-Year Interval Gentlemen PECO Energy Company has determined that it is necessary to revise the dates of the First Ten-Year Inservice inspection (ISI) Interval for Umerick Generating Station (LGS), Unit 1, in order to to effectively implement the requirements of Section XI of the American Society of Mechanical Engineers (ASME) Boller and Pressure Vessel (B&PV) Code. This revision is required in order to  ;

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allow the end of the inspection interval to envelope a scheduled refueling outage.

In accordance with 10CFR50.55a(g)(4), the First Ten-Year Interval ISI Program for LGS, Unit 1, .;

t conforms to the 1986 Edition of Section XI of the ASME Code. As stipulated in this edition of the Code (i.e IWA-2430(d)), an inspection interval can be extended by as much as one (1) year '

to accOWE,odate changes in outage schedules.

The LGS, Unit 1, First Ten-Year ISI Interval began on February 1,1986, and la scheduled to end i on February 1,1996. The next refueling outage (i.e, Sixth,1R06) for LGS, Unit 1, is presently scheduled to occur during the January 27,1996 through March 1,1996, time frame. Since '

Section XI of the ASME Ccde permits the ISI inspection interval to be adjusted by as much as.

one (1) year for outage correlation, the First Ten-Year ISI Interval for LGS, Unit 1, wil be extended untu the end of the Sixth Refueling Outage, which is currently scheduled to be March 1,1996.

. If you have any questions or require addition information, please do not hesitate to contact us.

Very truly yours.

, 4 G. A. Hunger, Jr. 1 Director - Licensing j cc: T. T. Martin, Administrator, USNRC, Region i N. S. Peny, USNRC Senior Resident inspector, LGS  ;

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