ML20147H591

Revised Proposed Tech Specs Re RCS & Pressure Isolation Valve Leakage

ML20147H591
Person / Time
Site:	Zion  File:ZionSolutions icon.png
Issue date:	03/04/1988
From:	COMMONWEALTH EDISON CO.
To:
Shared Package
ML20147H585	List: ML20147H581 ML20147H591
References
NUDOCS 8803090008
Download: ML20147H591 (1)

Text

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LIMlilNG COND1110N FOR OPERA 110N SURVEILLANCE REQUIREMENT 1 s.

3.3.3.F REAC10:. COOLANT SYSILM PRESSURE ISOLATION 4.3.3.F REACTOR COOLANT SYSTEH PRESSURE ISOLA 110N VALVE LEAKAGE -

VALVE LEAKAGE Leakage through any Reactor Coolant System Each Reactor Coolant System Pressure Pressure Isolation Valve (PlV) shall be Isolation valve (PIV) shall be demonstrated ilmited to that specified it. Table 3.3.3-1. OPERABLE by demonstrating that its individual leakage >is within its allowable limits as APPLICARILITY: MODLS 1, 2, 3, and 4. specified in Table 3.3.3-1:

ACTION: With any Reactor Coolant System Pressure a. At least once each REFUELING CYCLE.

Isolation Valve leakage above the limit, either b. Prior to entering MODE 2 whenever the plant has been in MODE S for 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or 7)) a. Reduce the leakage rate to within limits more and if leakage testing has not been within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, or performed in the previous 9 months.

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g* b. Isolate the high pressure portion of the c. Prior to returning the valve to service gg affected system from the low pressure following maintenance, repair or 7:co portion within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by the use of at replacement work on the valve.

o least 2 other closed manual or jg deactivated closed automatic or closed d. Within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or prior to entering os check valves *, or MODE 2, following valve actuation wherc 5,*2 flow through any of the PIVs results in T* c. Be in at least MODE 3 within the next 6 water being injected into the Reactor hours and MODE S within the following 30 Coolant System, test those valves that hours. have 2xperienced flow. (Excluding MOV-RH8701 and MOV-RH8702.)

Any check valve used for isolation shall be VERIFIED not to have exceeded their allowable leakage at their last performance test.

i TSC 87-11 12120/12130 _ _ , _ _

97a _ _ , _

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