ML17286A625

Proposed Tech Specs 3.4.1.2, Jet Pumps.

ML17286A625
Person / Time
Site:	Columbia
Issue date:	02/25/1991
From:	WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:
Shared Package
ML17286A624	List: ML17286A622 ML17286A625
References
NUDOCS 9103060338
Download: ML17286A625 (2)

Text

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REACTOR COOLANT 'SYSTEM JET PUMPS

'IMITING CONDITION FOR OPERATION 3.4. 1.2 All jet pumps shall be OPERABLE.

APPLICABILITY: OPERATIONAL CONDITIONS 1 and 2.

ACTION:

With one or more jet pumps inoperable, be. in at least HOT SHUTDOWN within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

SURVEILLANCE RE UIREMENTS 4.4 1.2.1 Each of the above required jet pumps shall be demonstrated OPERABLE

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prior to THERMAL POWER exceeding 25K of RATED THERMAL POWER and at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> by determining recirculation loop flow, total core flow and diffuser-to-lower plenum differential pressure for each jet pump and verifying that no two of the following conditions'occur when both recirculation loops are

a. The indicated .recirculation loop flow differs by more than 10K from the established flow control valve position-loop flow characteristics for two recirculation loop operation.

b. The indicated total core flow differs by more than lOX from the estab-lished total core flow value derived from two recirculation loop flow measurements.

c. The indicated diffuser-to-lower plenum differential pressure of any individual jet pump differs from established two recirculation loop operation patterns by more than lOX.

4.4. 1.2.2 During single recirculation loop operation, each of the above re-quired jet pumps shall be demonstrated OPERABLE at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> by verifying that no two of the following conditions occur:

a. The indicated recirculation loop flow in the operating loop differs by more than 10K from the established single recirculation flow control valve position-loop flow characteristics.

b. The indicated total core flow differs by more than 10K from the estab-lished tota't core flow value derived from single recirculation loop flow measurements.

c. The indicated difference-to-lower plenum differential pressure of any individual jet pump differs from established single recirculation loop patterns by more than 10K.

9103060338 910225 PDR ADOCK 05000397 P PDR WASHINGTON NUCLEAR " UNIT 2 3/4 4-4

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