ML20069H174

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Forwards Addl Info Supporting 821208 Request to Change Cycle 3 Fractional Power Multiplier,Per 830315 Telcon
ML20069H174
Person / Time
Site: North Anna 
Issue date: 03/23/1983
From: Stewart W
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To: Clark R, Harold Denton
Office of Nuclear Reactor Regulation
References
622A, NUDOCS 8303280274
Download: ML20069H174 (2)


Text

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m VINGINIA ELECTulC AND Pownu CourAxy Hrcnwoxn,VIHOINIA 20261 W.L.SrnwAar n2"l==..

March 23, 1983 fir. Harold R. Denton, Director Serial No. 622a Office of Nuclear Reactor Regulation PSE/KLB:du Attention: Mr. Robert A. Clark, Chief Docket Nos. : 50-338 Operating Reactors Branch No. 3 50-339 Division of Licensing License Nos.: NPF-4 U. S. Nuclear Regulatory Commission NPF-7 Washington, DC 20555 Gentlemen:

SUPPLEMENTAL INFORMATION TO AMENDMENT TO OPERATING LICENSES NPF-4 AND NPF-7 NORTH ANNA POWER STATION UNIT NOS.1 AND 2 In our letter, dated December 8,1982, Serial No. 622, Vepco requested a change to the existing F$. fractional power multiplier for the North Anna Power Station Unit Nos.' 1 and 2.

The attached Figure 1 provides additional infonaation in support of these proposed changes as requested informally by M. Chatterton of the Nuclear Regulatory Comission staff during a March 15, 1983, telephone conversation. Figure 1 shows the calculationofFNH versus power level for North Anna Unit 2 Cycle 3 compared to the current and proposed Technical Specification limits on F{H If you require additional information, please contact us.

Very truly yours,

(

W. L. Stewart Enclosure cc: Mr. James P. O'Reilly D6l Regional Administrator Region II B303280274 830323 PDR ADOCK 05000339 P

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FIGURE 1 NORTH ANNA UNIT 2 CYCLE 3 CONSERVATIVE CALCULATION OF ENTHALPY RISE FACTOR WITH POWER LEVEL AND TECHNICAL SPECIFICATION LIMITS

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