ML19344B173

Proposed Changes to Tech Spec 4.2.2.2.e.2 Revising Radial Peaking Factor Fxy Surveillance Requirements

ML19344B173
Person / Time
Site:	Farley
Issue date:	08/15/1980
From:	ALABAMA POWER CO.
To:
Shared Package
ML19344B172	List: ML19344B171 ML19344B173
References
NUDOCS 8008250698
Download: ML19344B173 (1)

Text

4 .

POWER DISTRIBUTION LIMITS O SURVEILLANCE REQUIREMENTS (Continued) 1

2. When the F[ is less than or equal to the FR limit for the appropriate measured core plane, additional power d{stribution mapsshallbetakenandFfcomparedtoF x and Fxy at least once per 31 EFPD.

e. The F l

~

shallie:imitsforRATEDTHERMALPOWERwithinspecificcoreplanes l

1. FRTP < 1.71 for all core planes containing bank "D" control rbs,~and

2. For all unrodded core planes:

F $ 1.68 up to core elevations of 2.4 ft.

l = 10 to 7.2 ft.

FhTP $ 4=M for core elevations from 2.4 f t.

RTP Fxy 5 1.61 for core elevations above 7.2 ft.

f. The F limits of e, above, are not applicable in the following core hane regions as measured in percent of core height from the bottom of the fuel:

1. Lower core region from 0 to 15%, inclusive.

2. Upper core region from 85 to 100%, inclusive.

3. Grid plane regions at 17.8 1 2%, 32.1 1 2%, 46.4 1 2%,

60.6 + 2% and 74.9 + 2%, inclusive.

l_

4.- Core plane regions within -2% of core height ( 2.88 . -

inches) about the bank demand position of the bank "D" control rods. -

b

g. With F C exceeding F the effects of F on (Z) shall be evaluaNdtodetermiN,ifF(Z)iswithiEits1 q

t.

4.2.2.3 When qF (Z) is measured pursuant to specification 4.10.2.2, an overall measured F (Z) shall be obtained from a power distribution map n

and increased by 3% to account for manufacturing tolerances and further increased by 5% to account for measurement uncertainty.

FARLEY - UNIT 1 3/4 2-7

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