ML20077C728

Proposed Tech Specs Re Containment Isolation Valve Requirements.Per Generic Ltr 87-09

ML20077C728
Person / Time
Site:	Arkansas Nuclear
Issue date:	05/09/1991
From:	ENTERGY OPERATIONS, INC.
To:
Shared Package
ML20077C723	List: 2CAN059101, Application for Amend to License NPF-6,revising Tech Specs Re Containment Isolation Valve Requirements,Per Generic Ltr 87-09 ML20077C728
References
GL-87-09, GL-87-9, NUDOCS 9105230195
Download: ML20077C728 (1)

Text

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CONTAINMENT SYSTEMS 3/4.6.3 CONTAINMENT ISOLATION. VALVES LIMIl#0_G9 heil 0E.IDLDfERAIION 3.6.3.1 The containment isolation valves specified in Table 3.6-1 shall be OPERABLE with isolation times as shown in Table 3.6-1.

APPLICABILITY: MODES 1, 2, 3 and 4.

ACTION:

With one or more of the . isolation valve (s) specified in Tabic 3.6-1 inoperable, maintain at least one isolation valve OPERABLE in each affected penetration that is open and eith6.r l-

a. Restore the inoperable valve (s) to OPERABLE status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, or

b. Isolate each affected penetration within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use of at least one deactivated automatic valve secured in the isolation position, or

c. Isolate the affected penetration within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use of at least'one closed manual valve or blind flange; or

d. De in c5,. Icast 110T 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 SilVTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />, l

e. The provisions of Specification 3.0.4 are not applicable provided action b or c is met.

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4.6.3.1.1 The isolation valves specified in Table 3.6-1 shall be demonstrated-OPERABLE prior to returning the valve to-service after maintenance, repair or replacement work is performed on the valve or its associated actuator, control or power circuit by performance of a cycling test and verification'of isolation time.

9105230195 910509 PDR ADOCK 05000368 P PDR ARKANSAS - UNIT 2 3/4 6-16 Amendment No.

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