ML20006D880

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Forwards Radial Peaking Factor Limit Rept for Cycle 4, Per Tech Spec 6.9.1.14
ML20006D880
Person / Time
Site: Beaver Valley
Issue date: 06/15/1983
From: Carey J
DUQUESNE LIGHT CO.
To: Murley T
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
TAC-51963, NUDOCS 9002150190
Download: ML20006D880 (2)


Text

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'Af Telephone (412) 456 6000 l

- Nuclear Division

p ety["p/lGE[I,l[; N a' h ifE

. P.O. Box 4..

p.,

Shippingport, PA 15040004 '

u-June 15, 1983 United States Nuclear Regulat.ory Commission Office of Inspection'and P4forcement

'Attna.-Dr. Thomas E. Murley, Kegional Administrator Region 1

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631 Psrk Avenue

' King of Prussia, Pennsyvlania 19406

Reference:

Beaver Valley Power Station, Unit 1 Docket No. 50-334, License No. DPR Radial Peaking Factor Limit Report - Cycle 4

'Centlemen:

Enclosed is a copy of the Radial Peaking Factor Limit Report (RPFLR).for Cycle 4, provided in accordance with Technical Specifica-l' tion 6.9.1.14.

A copy of.this letter and attached RPFLR has also been -sent to the Chief of the Core Performance Branch, U. S. N.R.C.

l as required by the above Technical Specification.

Very trul yours,

. J. Carey Vice President, Nuclear cc: Director of Nuclear' Reactor Regulation U. S. Nuclear Regulatory Commission At tu:

-Mr. William V..Johnston, Chief Core Performance Brench D

Division of Core and Containment Systems Washington, DC 20555 Mr. W. M. Troskoski, Resident Inspector U. S. Nuclear Regulatory Commission Beaver Valley Power Station Shippingport, PA 15077 j

U. S. Nuclear Regulatory Commission

,c /olDo chnien't31anageme n t cB ra n ch Washington, DC '20555 D

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BEAVER VALLEY POWER STATION - UNIT 1 l, '

RADIAL PEAKING FACTOR LIMIT REPORT

.y.

I-This ' Radial Peaking Factor Limit Report is provided in accordance with

. Section 6.9.1.14 of_ the Beaver Valley, Unit No.1 Technical _ Specifications.

The Fy ' limits for RATED TilERMAL POWER within specific core planes. for l

Cycleishallbet.

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FpP $ 1.71 for all core planes containing bankl"D" control ~

X g

"l rods, and LM 2.,

For unrodded-core planes-F E1.66 up to 2.4 feet elevation.

XY F

$1.66 f r m 2.4 feet elevation up _to 7.8 feet elevation,-

XY F

$ 1.70 above 7.8 feet elevation.

XY These FXY(Z) ' limits were used to confirm that the heat flux hot. channel factor F (Z) will be. limited to the Technical Specification values of:

q

~ F (Z) 6:[ 2.32 )

[K(Z)] for P > 0.5 and, 7~

F (Z) f,[4.64]

[K(Z)]-for P s 0.5 q

i

' assuming the most limiting -axial power distributions expected to result from the insertion and removal of control banks C and.D during operation',

' including the' accompanying variations in,the axial xenon and power distri-

. butions as described in the " Power Distribution Control and Load Following Procedures," WCAP-8385,. September,- 1974. Therefore, these1F limits l

provideassurance-thattheinitialconditionsassumedinthekOCAanalyses a re.me t, along with the ECCS acceptance criteria of 10 CFR 50.46.

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