ML20115C418

Proposed Tech Specs Clarifying Surveillance Interval for Surge Tank Level Instrumentation

ML20115C418
Person / Time
Site:	South Texas
Issue date:	07/08/1996
From:	HOUSTON LIGHTING & POWER CO.
To:
Shared Package
ML20115C417	List: ML20115C418 ST-HL-AE-5402, Application for Amends to Licenses NPF-76 & NPF-80, Clarifying Surveillance Interval for Surge Tank Level Instrumentation
References
NUDOCS 9607110329
Download: ML20115C418 (2)

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ATTACHMENT 3 i

MARKUPS OF PROPOSED CHANGES i

l TO TECHNICAL SPECIFICATIONS t

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i 9607110329 960708 ...

PDR ADOCK 05000498 Ill P PDR J

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. ST-HL-AE-5402 l File No.: G20.01, G21.01  !

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- PLANT SYSTEMS l 3/4.7.3 COMPONENT COOLI'NG WATER SYSTEM LIMITING CONDITION FOR OPERATION ,

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~ 3.7.3At least three independent component cooling . water loops shall be OPERABLE.

APPLICABII ITY: MODES 1,2,3, and 4. j ACTION:

i With only two component cooling water loops OPERABLE, restore at least three loops to OPERABLE ,

status within 7 days or be in at least 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 /> and in COLD SHUTDOWN '

within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

SURVEILLANCE REOUIREMENTS 4.7.3 At least three component cooling water loops shall be demonstrated OPERABLE: l 1

a. At least once per 31 days by verifying that each valve outside containment (manual, power-operated,  !

or automatic) servicing safety-related equipment that is not locked, sealed, or otherwise securedin l position is in its correct position; and .

b. At least once per 18 months du-in;; du&=, by verifying that: l

1) Each automatic valve servicing safety-related equipment or isolating the non-nuclear. safety l portion of the system actuates to its correct position on a Safety Injection, Loss of Offsite i power, Containment Phase "B" Isolation, or Low-Surge Tank test signal, as applicable  !

(oerformed during shutdown),

2) Each Component Cooling Water System pump starts automatically on a Safety Injection or )

Loss of Offsite Power test signal (nerformed during shutdown); and

3) The surge tank level instrumentation which provides automatic isolation of portions of the system is demonstrated OPERABLE by performance of a CHANNEL CALIBRATION test.

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c. By verifying that each valve inside containment (manual, power-operated, or automatic) servicing l

safety-related equipment that is not locked, sealed, or otherwise secured in position is in its correct position prior to entering MODE 4 following each COLD SHUTDOWN of greater than 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> if not performed within the previous 31 days.

SOUTH TEXAS - UNITS 1 & 2 3/4 7-12 Unit 1 - Amendment No. -4,59 Unit 2 - Amendment No. 47 l

TsC-96'5402

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