ML20248C989

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Proposed Tech Specs Re Limiting Condition for Operation on Operator Temp Coefficient
ML20248C989
Person / Time
Site: Vogtle  Southern Nuclear icon.png
Issue date: 09/26/1989
From:
GEORGIA POWER CO.
To:
Shared Package
ML20248C972 List:
References
NUDOCS 8910040087
Download: ML20248C989 (1)


Text

. - _ _

F e.-

REACTIVITY CONTROL SYSTEMS MODERATOR TEMPERATURE COEFFICIENT LIMITING CONDITION FOR OPERATION f.

3.1.1.3 The maderator temperature coefficient (MTC) shall be:

Less positive than +0.7 x 10-* AK/k/*F for the all rods withdrawn, a.

beginning of cycle life (BOL), condition for power levels up to 70% RATED THERMAL POWER with a linear ramp to 0 ak/k/*F at 100%

RATED THERMAL POWER; and b.

Less negative than - 4.0 x 10-* ak/k/"F for the all rods withdrawn, end of cycle life (EOL), RATED THERMAL POWER condition.

APPLICABILITY: Specification 3.1.1.3a. - MODES 1 and 2* only.**

Specification 3.1.1.3b. - MODES 1, 2, and 3 only.**

ACTION:

With the MTC more positive than the limit of Specification 3.1.1.3a.

a.

above, operation in MODES 1 and 2 may proceed provided:

I 1.

Control rod withdrawal limits are established and maintained sufficient to restore the MTC to within the above limit within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or be in HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />. These withdrawal limits shall be in addition to the insertion limits of Specification 3.1.3.6; 2.

The control rods are maintained within the wi'.ndrawal limits established above until e subsequent calculation verifies that the MTC has been restored to within its limit for the all rods withdrawn condition; and

  • With Kef f greater than or equal to 1.
    • See Special Test Exceptions Specification 3.10.3.

V0GTLE UNITS - 1 & 2 3/41-4 8910040087 890926 PDR ADOCK 05000424 6

(BTN)