ML17306A649

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Proposed TS 3.4.8.3 Re RCS - Overpressure Protection Sys
ML17306A649
Person / Time
Site: Palo Verde  Arizona Public Service icon.png
Issue date: 04/13/1992
From:
ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17306A648 List:
References
NUDOCS 9204200001
Download: ML17306A649 (12)
v • d • e


Text

F R INFOR~~AATIOH ONLY REACTOR COOLANT SYSTEM OVERPRESSURE PROTECTION SYSTEMS LIMITING CONDITION FOR OPERATION 3.4.8.3 Both shutdown cooling system (SCS) suction line relief valves with lift settings of 'less than or equal to 467 psig shall be OPERABLE and aligned to provide overpressure protection for the Reacto~ Coolant System.

APPLICABILITY: When the reactor vessel head is installed and the temperature of one or more of the RCS cold legs is less than or equal to:

a. 214'F during cool down
b. 291'F during heatup ACTION: ('Ir +IDES 5 or@

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Vith one SCS relief va ve inoperable,~restore the inoperable valve to OPERABLE status within or~r educe T ld to less than 200 F cold co ivsp]g~ a0 ion )nq (2) andvh depressurizlit. 'and vend the RCS through

>>< 8~16 square inch vent(s) within reactor coolant pump if. the s earn generator secondary water temperature is greater than 100'F above a y RCS cold leg temperature.

a+mal o$ 3z With'both SCS relief valves inoperable, reduce T cold ld to less than 200'F and, depressurize'and vent the RCS through a greater than or equal to 16 square inch vent(s) within eight hours. Oo not start a reactor coolant pump if the steam generator secondary water temperature is greater. than 100'F above any RCS cold leg temperature.

eg In the event either the SCS suction line relief valves or an RCS vent(s) are used to mitigate an RCS pressure transient, a Special Report shall be prepared and submitted to the Commission pursuant to Specification 6.9,2 within 30 days. The report shall describe the circumstances initiating the transient, the effect of the SCS suction line relief valves or RCS vent(s) on the transient and any corrective action necessary to prevent recurrence.

The provisions of Specification 3.0.4 are not applicable.

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PALO VERDE " UNIT 1 3/4 4-32 ANENDl1EHT NO. "3

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OR INFORMATION 0 REACTOR COOLANT SYSTEM SURVEILI ANCE RE UIREMENTS 4.4.8.3.1 Each SCS suction line relief valve shall be verified to be aligned to provide overpressure protection for the RCS during

a. Cooldown with the RCS temperature less than or equal to 214'F.
b. Heatup with the RCS temperature less than or equal to 291'F.

4.4.8.3.2 The SCS suction line relief valves shall be verified OPERABLE with the required setpoint at least once per 18 months.

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REACTOR COOLANT SYSTEM OVERPRESSURE PROTECTION SYSTEMS LIMITING CONOITION FOR OPERATION 3.4.8.3 Both shutdown cooling system (SCS) suction line relief valves 'with lift settings of less than or equal to 467 psig shall be OPERABI E and aligned to'rovide overpressure protection -for the Reactor Coolant System.

APPLICABILITY: Mhen the reactor vessel head is installed and the temper'ature of one or more of the RCS cold legs is less than. or equal to:

a~ 2144F during cool down

b. 2910F during heatup
.XODENT 5 -.C ACTION

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.'Nith one SCS relief va ve inoperable,lreetore the inoperable valve to bw OPERABLE status within co~ pledge. a'tioh

~~y Np aF orhreduce Tcold CP) ld to less than 200'F and,Adepressurizg and ven8 She RCS through sf /e854 3~16 square inch vent(s) within reactor coolant pump if the s earn generator secondary water temperature is greater than 100'F above a RCS cold leg temperature.

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With both SCS relief valves inoperable, reduce T ld to less than 200'F-and, depressurize and vent the RCS through a greater than or equal to 16 square inch vent(s) within eight hours. Oo not start a reactor coolant. pump if the steam generator secondary water temperature is greater than 100'F above any RCS cold leg temperature.

In the event either the SCS suction line relief valves or an RCS vent(s) are used to mitigate an RCS pressure transient, a Special Report shall be prepared and submitted to the Commission pursuant to Specification 6.9.2 within 30 days. The report shall describe the circumstances initiating the transient, the effect of the SCS suction line relief valves or RCS vent(s) on the transient and any corrective action necessary to prevent recurrence.

The provisions of Specification 3.0.4 are not applicable.

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PALO VEROE " UNIT 2 3/4 4-32 AMENOHEHT NO.

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REACTOR COOLANT SYSTEM OVERPRESSURE PROTECTION SYSTEMS SURVEILLANCE RE UIREMENTS 4.4.8.3.1 Each SCS suction line relief valve shall be verified to be aligned to provide overpressure protection for the RCS during

a. Cooldown with the RCS temperature less than or equal to 214~F.
b. Heatup with the RCS temperature less than or equal to 291'F.

4.4 '.3.2 The SCS suction line relief valves shall be verified OPERABLE with the required setpoint at least once per 18 months.

leaokonco per ~i c4ys whm %he p&i way io provident by a valve,(s) +at is loof&, seaQ, csr otherwise. scour~ in Ate op4 posl'idion, otherwise. verify aliyloenk erery (2hours PALO VERDE - UNIT 2 3/4 4-33 AMENDMENT NO. 38

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REACTOR COOLANT SYSTEM OVERPRESSURE PROTECTION SYSTEMS LIMITING CONOITION FOR OPERATION 3.4.8.3 Both shutdown cooling system (SCS) suction line relief valves'with lift settings of less than or equal to 467 psig shall be OPERABLE and aligned to provide overpressure protection for the Reactor Coolant System.

APPLICABILITY: Mhen the reactor vessel head is installed and the temperature of one or more of the RCS cold legs is less than or equal to:

as 214'F during cool down

b. 291'F during heatup ACTION:

in P100$ 5 5 or t'o 2'I hours either (i) bx- With one SCS relief va ve inoperabl,creators the inoperable valve 0 to OPERABLE status within ~~aye orareduce T

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ld to less than 200 F

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. sf lan complain lineup cold and Sdapressurizk and van&the RCS t rough Bf leasfa~l6 square inch vent(s) within I . Il reactor coolant pump if the s earn generator secondary water temperature cH.

is greater than 100'F above a y p,

RCS d

cold leg temperature.

total af 32 With both SCS relief valves in o erable r educe T to less than 200 and, depressurize and vent the RCS through a greater than or equal to 16 square inch vent(s) within eight hours. Do not start a reactor F

coolant .pump if the 100'F steam generator secondary water temperature is greater than above any RCS cold leg temperature.

In the event either the SCS suction line relief valve's or'an RCS vent(s) are used to mitigate an RCS pressure transient, a Special Report shall be prepared and submitted to the Commission pursuant to Specification 6.9.2 within 30 days. The report shall describe the circumstances initiating the transient, the effect of the SCS suction line relief valves or RCS vent(s) on the transient and any corrective action necessary to pr event recurrence.

The provisions of Specification 3.0.4 are not applicable.

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+FOR iNFORMATiON Oi+Y REACTOR COOLANT SYSTEM

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OVERPRESSURE PROTECTION SYSTEMS SURVEILLANCE RE UIREMENTS 4.4.8.3.1 Each SCS suction line relief valve shall be verified to be aligned to provide overpressure protection for the RCS during

a. Cooldown with the RCS temperature less than or equal to 214 F.
b. Heatup with the RCS temperature less than or equal to 291'F.

4.4.8.3.2 The SCS suction line relief valves shall be verified OPERABLE with the required setpoint at least once per 18 months.

a4 leasf once F cr ~i de)s whe~ H,e I

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