B12621, Notifies of Intent to Use ASME Code Section XI Code Cases N-234, Time Between Ultrasonic Calibr Checks & N-278, Alternate Ultrasonic Calibr Block Configuration I-3131 & T-434.3, for Reactor Pressure Vessel Exams

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Notifies of Intent to Use ASME Code Section XI Code Cases N-234, Time Between Ultrasonic Calibr Checks & N-278, Alternate Ultrasonic Calibr Block Configuration I-3131 & T-434.3, for Reactor Pressure Vessel Exams
ML20236G385
Person / Time
Site: Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date: 07/29/1987
From: Mroczka E, Sears C
CONNECTICUT YANKEE ATOMIC POWER CO.
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
B12621, NUDOCS 8708040235
Download: ML20236G385 (1)


Text

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CONNECTICUT YANKEE AYOMIC POWER COMPANY B E R L I N, CONNECTICUT P O DoX 270 HARTFoHD, CONNECTICUT 06141 0270 I

TELEPHONE 203-665-5000 Docket No. 50-213 B12621 Re: 10CFR50.55a U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555 Gentlemen:

Haddam Neck Plant Notification of the Use of Code Case N-234 and N-278 The purpose of this letter is to notify the NRC Staff of Connecticut Yankee Atomic Power Company's (CYAPCO's) intent to use Code Case:

o N-234, Time Between Ultrasonic Calibration Checks,Section XI, Division 1, dated December 5,1984 and o N-278,- Alternate Ultrasonic Calibration Block Configuration 1-3131 and T-434.3,Section XI, Division 1, dated March 17,1983.

During the 1987 refueling outage. for the Haddam Neck Plant the inservice inspection of the reactor pressure vessel will be performed in accordance with ASME Code Section XI 1980 Edition with Addenda through the Winter of 1980.

The two Code Cases listed above will be utilized to perform the Code required reactor pressure vessel exams. These Code Cases have been notedu) as acceptable for implementation into inservice inspection programs by the NRC

-Staff.

Very truly yours, CONNECTICUT YANKEE ATOMIC POWER COMPANY E N O MM.

E. J. Mroczka V Senior Vice President B708040235B7g[PDR 213 ADOCK O g gDR By: C. F. Sears Vice President 1

cc: W. T. Russell, Reglen 1 Administrator l i

F. M. Akstulewicz, NRC Project Manager, Haddam Neck Plant J. T. Shedlosky, Resident Inspector, Haddam Neck Plant l

- e ,

(1) Regulatory Guide 1.147, Revision 5, dated August 1986 provides a listing of ,

those Code Cases which are acceptable for implementation into inservice inspection programs.  ; O L___--_____ -_ i