ML20203H803

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Amend 166 to License DPR-28,correcting TS Involving Calibration of Augmented off-gas Sys Hydrogen Monitors
ML20203H803
Person / Time
Site: Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date: 02/12/1999
From: Bill Dean
NRC (Affiliation Not Assigned)
To:
Shared Package
ML20203H808 List:
References
NUDOCS 9902230124
Download: ML20203H803 (4)


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k UNITED STATES p

j NUCLEAR REGULATORY COMMISSION 2

WASHINGTON, D.C. 20666 4 001

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VERMONT YANKEE NUCLEAR POWER CORPORATION DOCKET NO. 50-271 VERMONT YANKEE NUCLEAR POWER STATION AMENDMENT TO FACILITY OPERATING LICENSE l

Amendment No.166 License No. DPR-26

1. The Nuclear Regulatory Commission (the Commission) has found that:

A. The application for amendment filed by the Vermont Yankee Nuclear Power Corporation (the licensee) dated December 10,1998, complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Commission's rules and regulations set forth in 10 CFR Chapter I; B. The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Commission; C. There is reasonable assurance: (i) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in compliance with the Commission's regulations; D. The issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public; and E. The issuance of this amendment is in accordance with 10 CFR Part 51 of the Commission's regulations and all applicable requirements have been satisfied.

9902230124 990212 PDR ADOCK 05000271 P

PDR

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2. Accordingl, the license is amended by changes to the Technical Specifications as indicated f

in the attachment to this license amendment, and paragraph 3.B of Facility Operating License No. DPR 28 is hereby amended to read as follows:

(B) Technical Specifications The Technical Specifications contained in Appendix A, as revised through Amendment No.166, are hereby incorporated in the license. The licensee shall operate the facility in I

accordance with the Technical Specifications.

3. This license amendment is effective as of its date of issuance, to be implemented within 30 days.

FOR THE NUCLEAR REGULATORY COMMISSION k

V William M. Dean, Director Project Directorate 12 Division of Reactor Projects - 1/II Office of Nuclear Reactor Regulation

Attachment:

Changes to the Technical Specifications Date of issuance: February 12, 1999 i

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.i ATTACHMENT TO LICENSE AMENDMENT NO.166 FACILITY OPERATING LICENSE NO. DPR-28 DOCKET NO. 50-271 Replace the following page of Appendix A Technical Specifications with the attached page.

~ The revised page is identified by amendment number and contains a vertical line indicating the area of change.

Remove Insert 206 206 1

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VYNPS TABLE 4.9.2 NOTATION (1) The Instrument Functional Test shall also demonstrate that automatic isolation of this pathway and the Control Room alarm annunciation occurs if any of the following conditions exists:

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(a) Instrument indicates measured levels above the alarm setpoint.

(b)~ Circuit failure.

(c) Instrument indicates a downscale failure.

(d) Instrument controls not set in operate modo.

(2) The Instrumet.L Functional Test shall also demonstrate that Control Room alarm annunciation occurs when any of the following conditions exist:

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(a) Instrument indicates measured levels above the alarm setpoint.

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i (b) Circuit failure.

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(c) Instrument indicates a downscale failure.

(d) Instrument controls are not set in operate mode.

i (3) The Instrument Calibration for radioactivity measurement instrumentation shall include the use of a known (trac 3able to National Institute for Standards and Technology) radioactive source positioned in a reproducible geometry with respect to the sensor.

These standards should perrlit calibrating the system over its normal operating range of rate capabilities.

(4) The Instrument Calibration shall include the use of standard gas samples (high range and low range) containing suitable concentrations, hydrogen l

balance air, for the detection range of interest per Specification 3.8.J.l.

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Amendment No. 83, 464, 444, 166 206 l