ML17278A459

Proposed Tech Specs Allowing Reactor Mode Changes W/Isolated Primary or Secondary Containment Isolation Valves W/No Degradation to Public Health & Safety

ML17278A459
Person / Time
Site:	Columbia
Issue date:	10/28/1985
From:	WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:
Shared Package
ML17278A458	List: ML17278A457 ML17278A459
References
TAC-60050, NUDOCS 8511040199
Download: ML17278A459 (3)

Text

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CONTAINMEHT SYSTEMS 3/4.6.3 PRIMARY CONTAINMEHT ISOLATION VALVES LIMITIHG CONDITION FOR OPERATION 3.6.3 The primary containment isolation valves and the reactor instrumentation line excess flow check valves shown in Table 3.6.3-1 shall be OPERABLE with isolation times less than or equal to those shown in Table 3. 6. 3"l.

APPLICABILITY: OPERATIONAL CONDITIONS 1, 2, and 3. Cpeva.%on ~4/ +<

ACTION:

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a. With one or more of the primary containment isolation valves shown in Table 3.6.3-1 inoperable, ~~4+4> at least one isolation valve is Min4inCd OPERABLE in each affected penetration that is open and within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> either@

1. Restore thee>igoperable valve(s) to OPERABLE status, or

2. Isolate each~affected penetration by use of at least one de-activated valve secured in the isolated position,"

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3. Isolate each affectedhpenetration by use of at least one closed manual valve or blind+~ lange."

Otherwise, be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the fo'1'lowing 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> s.

b. With one or more of the reactor 'ins'trumentation line excess flow check valves shown in Table 3.6.3-1 inoperable, operation may continue and the provisions of Specifications 3. O. 3 and 3. 0.4 are not applicable provided that within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> either;

1. The inoperable valve is returned to OPERABLE status, or

2. The instrument line is isolated and the associated instrument is declared inoperable.

Otherwise, be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

"Isolation valves closed to satisfy these requirements may be reopened on an intermittent basis under administrative control.

WASHINGTON NUCLEAR - UNIT 2 3/4 6-19 I'5ii040199 PDR ADOCg 85i028 05000397 P PDR

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CONTAINMENT SYSTEMS SECONDARY COHTAINMEHT AUTOMATIC ISOLATION VALVES LIMITING CONDITION FOR OPERATION 3.6.5.2 The secondary containment ventilation system automatic isolation valves shown in Table 3.6.5.2-1 shall be OPERABLE with isolation times less than or equal to the times shown in Table 3.6.5.2"l.

APPLICABILITY: OPERATIONAL CONDITIONS 1, 2, 3 and ".

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ACTION: P.O g mr~ %0y 5PPVCu.blQ:- Pvoit(QC Wo9 With one or more of the secondary conta)nment ventilation system automatic isolation valves shown in Table 3.6.5.2-1 inopera e, e~~ at least one isolation valve OPERAOLE in each affected penetration that is open and within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> either: ie, ~air,ppjlnE Q

a. Restore the inoperable valves to OPERABLE status, or

b. Isolate each affected penetration. by'..use of at least one deactivated valve secured in the isolation position, or

c. Isolate each affected penetration 'by use of at least one closed valve or blind flange.~ 'anual Otherwise, in OPERATIONAL CONDITION 1, 2, or 3, be in at, least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in, COLD SHUTDOWN within the following 24 hours.

Otherwise, in OPERATIONAL.,CONDITION ", suspend handling of irradiated fuel in the secondary containment, CORE ALTERATIONS and operations with a potential for draining -tjie>reactor vessel. The provisions of Specification 3.0.3 are not applicabl;e.0 SURVEILLANCE REOUIREMENTS 4.6.5.2 Each secondary containment ventilation system automatic isolation valve shown in Table 3.6.5.2-1 shall be demonstrated OPERABLE:

'a 0 Prior to returning the valve to service after maintenance, repair; or or replacement work is performed on the valve or its associated actuator, or power circuit by cycling the valve through at least one complete 'ontrol, cycle of full travel and verifying the specified isolation time.

b. During COLD SHUTDOWN or REFUELIHG at least 'once per 18 months by verifying that on a containment isolation test signal each isolation valve actuates to its isolation position.

C. By verifying the isolation time to be within its limit when tested pursuant to Specification 4. 0. 5.

"When irradiated fuel is being handled in the secondary containment and during CORE ALTERATIOHS and operations with a potential for draining the reactor vessel.

WASHINGTON NUCLEAR - UNIT 2 3/4 6-38