ML20245C265

Proposed Tech Spec Re Core Protection Calculator Sys

ML20245C265
Person / Time
Site:	Arkansas Nuclear
Issue date:	06/13/1989
From:	ARKANSAS POWER & LIGHT CO.
To:
Shared Package
ML20245C262	List: 2CAN068901, Application for Amend to License NPF-6,revising Tech Spec 4.3.1.1.4 to Reflect Core Protection Calculator Upgrade ML20245C265
References
NUDOCS 8906260111
Download: ML20245C265 (2)

Text

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3/4.3 INSTRUMENTATION I l l

3/4.3.1 REACTOR PROTECTIVE INSTRUMENTATION' LIMITING CONDITION FOR OPERATION i l

3.3.1.1 As a minimum, the' reactor protective instrumentation channels and j bypasses of Table 3.3-1 shall be OPERABLE with' RESPONSE TIMES as shown in 1

-Table 3.3-2. j

-APPLICABILITY: As shown in Table 3.3-1;

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.As shown in Table 3.3-1.

SURVEILLANCE REQUIREMENTS 4.3.1.1.1 Each reactor' protective instrumentation channel shall be' demonstrated OPERABLE by the performance of the CHANNEL CHECK, CHANNEL CALIBRATION and. CHANNEL FUNCTIONAL. TEST operations for the MODES and at the -

frequencies shown in Table 4.3-1.  !

'.1 4.3.1.1.2' The logic for the bypasses shall be. demonstrated OPERABLE prior to each reactor startup~unless performed during the preceding 92. days. The total bypass' function shall be demonstrated OPERABLE at least once per 18 months during CHANNEL CALIBRATION testing of each channel affected by bypass operation 4.3.1.1.3 The REACTOR. TRIP SYSTEM RESPONSE TIME of each reactor trip-function shall be-demonstrated to be within its limit at least once per 18 months. Each test shall include at least one channel per function such I that all channels are tested at least once every N times 18 months where N l is the total number of redundant channels in a specific reactor trip i

function as shown in the " Total No. of Chcnnels" column of Table 3.3-1.

I 4.3.1.1.4 Deleted. ,

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l ARKANSAS - UNIT 2 3/4 3-1 Amendment No. ,

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Ih3TRUMENTATION SURVEILLANCE REQUIREMENTS (Continued) i i

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4.3.1.1.5 The Core Protection Calculator System shall be determined OPERABLE at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by verif;ying that less than three auto restarts have occurred on each calculator during the past 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

4.3.1.1.6 -The Core Protection Calculator System shall be subjected to a CHANNEL FUNCTIONAL TEST to verify OPERABILITY within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> of receipt of a valid High CPC Room Temperature alarm. 1 l

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i ARKANSAS - UNIT 2 3/4 3-la AmendmentNo./ff

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