ML20066F487

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Proposed Change to Tech Spec Surveillance 4.4.6.2.2d Re Operability of RCS Pressure Isolation Valves
ML20066F487
Person / Time
Site: South Texas  STP Nuclear Operating Company icon.png
Issue date: 01/17/1991
From:
HOUSTON LIGHTING & POWER CO.
To:
Shared Package
ML20066F479 List:
References
NUDOCS 9101240009
Download: ML20066F487 (3)


Text

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n ATTACllMENT 2 PROPOSED CHANGE TO TECilNICAL SPECIFICATION-SURVEILLANCE 4,4,6.2.2d j

~9101240009 910117 PDR ADOCK 05000498 P

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REACTOR COOLANT SYSTEM ATTACHMENT D ST HL AE 3V/3 OPERATIONAL LEAKAGE PAGE t OF A

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4. 4.' 6. 2.1 Reactor Coolant System leakages 'shall be chemonstrated tc -be' within:

o each of the above limits by:-

p Mc.iitoring the containment atmosphere gaseous radioactivity and par-a.

-ticulate radioactivity channels at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />;'

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b.

Monitoring the containment normal sump inventory and discharge at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />;-

Performance of a Reactor Coolant System water inventory balance at-l c.

least once per 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />; and-a d.

Monitoring'the Reactor Head Flange Leakoff System at least1once per t

24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.-

4.4.6.2.2 Each Reactor Coolant System Pressure Isolation Valve specifiedtin Table 3.4-1 shall be demonstrated OPERABLE by verifying. leakage to-be within its limit:

a a.

At least once per 18.inonths, b.

Prior to entering MODE 2 whenever the plantThas been.in.COLDL.

SHUTOOWN for 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or more:and if le3kage testing has not'been-performed in-the previousL9 months, Prior to returning th.e valve to service ~ following maintenance,-

c.

1 repair or replacement work on the valve, and Ymen h:.ube,iopt40DE2 d.

W+th+tHM-4mudf~ollowing valve actuation 'due to automatic. or manual-action or. flow through the-valve except for valves XRH0060: A,B,C and XRH0061 A,B,C.

As outlined-in-the' ASME Code,- Section XI, paragraph IW-3427(b).

e.

The provisions of Specification:4.0.4 are not applicable forf entry into MODE 3 or 4.

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