ML17306A649
| ML17306A649 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 04/13/1992 |
| From: | ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | |
| Shared Package | |
| ML17306A648 | List: |
| References | |
| NUDOCS 9204200001 | |
| Download: ML17306A649 (12) | |
Text
F R INFOR~~AATIOH ONLY REACTOR COOLANT SYSTEM OVERPRESSURE PROTECTION SYSTEMS LIMITING CONDITION FOR OPERATION a.
214'F during cool down b.
291'F during heatup
('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
co ivsp]g~
a0 ion
)nq (2) cold andvh depressurizlit. 'and vend the RCS through ACTION:
>>< 8~16 square inch vent(s) within reactor coolant pump if. the s
is greater than 100'F above a
earn generator secondary water temperature y RCS cold leg temperature.
a+mal o$ 3z With'both SCS relief valves inoperable, reduce T
ld to less than 200'F cold 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.
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:
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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Q.Q, PALO VERDE " UNIT 1 3/4 4-32 ANENDl1EHT NO.
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'VII&aha RC< vened pea. ACTIONS a>>ov <> ver if'Ice nnpyei)Ney east once Par 3i.days when %he peart way is pcsvideJ gy s vajve<si t IO locke J> Sealed> or akhergrlse. 5ecAMQ ih gge a+an ms'> pion
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Kith one SCS relief Valve inoPerable in gODE 4 res+re ]J)e ino eyeralee.
to E
~< RABL<+>us wH'>in '7 days az depmsurIee anci vea+ +ha RCS gh at ]eas+ <
yu S~V~~ in~ Venous) Wigsq pgenexp8 ho~rS Do ~a~
>~~ > <<<+or coolan+ pu~p if She steam qeneraAI-,w&er +~pefd~
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OR INFORMATION0 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.
g+ (eeoc once per '5'I cia)fs when %be pe'Hrw+p' p'"
ValVeC+) %ban js lockQ seelel, or oWerwrs~ scour-e in
+e open posi4'so; oAer wise rrsri4j al>yrrrnsnk e<ery i2 hours PALO VERGE - UNIT 1 3/4 4-33 AMENOMENT NO.
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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:
2144F during cool down 2910F during heatup a ~
b.
- .XODENT 5 -.C ACTION
eider
(~)
.'Nith one SCS relief va ve inoperable,lreetore the inoperable valve to OPERABLE status within ~~y orhreduce T
ld to less than 200'F co~ pledge.
a'tioh Np aF CP) cold and,Adepressurizg and ven8 She RCS through bw sf /e854 3~16 square inch vent(s) within reactor coolant pump if the s
is greater than 100'F above a
earn generator secondary water temperature RCS cold leg temperature.
8 %Ma[ o+3P.
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.
Wih 4he PCS Venk per ACTl0hl5a,h,ore, Verj
$ e. van+ ~
ray 6 leash once per 3I days when /he pa%way ia ~ravldpd by a va IveCs)
<h<t js l~heJ, Sealed, or ckhereise secured in /he, open posi+iovl>
ofhcrwl5+p ver >'Ae v'aH Phrs eve~
tP. bourg, 3/4 4-32 AMENOHEHT NO.
PALO VEROE " UNIT 2 I h one sc5 l"eciefyatve inoperable jr'QDE 0 pre sfdva /Ac'Inoperable o OPERABLE WAs Nyi44ibi 7~a/c o< 4<f'~ssL,riz~ Jg y q y
'thrognh at lees)a l6 severe inch venf(v) wig; qhe neap 3 h D
a Pc'abbr <~o/~~~~~,'p tA< ~Pea+ ge~a@r wafer <~qgqc re
)S greater 94< Ig~ 6'b ~~ any ffpp c lg (e
+em Qfigurc.
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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.
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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 liftsettings 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 b.
ACTION:
214'F during cool down 291'F during heatup in P100$5 5 or t'o 2'I hours either (i)
With one SCS relief va ve inoperabl,creators the inoperable valve to
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0 bx-OPERABLE status within ~~aye orareduce T
ld to less than 200 F
complain
. sflan lineup cold and Sdapressurizk and van&the RCS t rough Bf leasfa~l6 square inch vent(s) within reactor coolant pump if the s
is greater than 100'F above a
I Il earn generator secondary water temperature y RCS cold leg temperature.
d total af 32 o erable educe T
to less than 200 F
cH.
SCS relief valves inp, r
- 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 coolant.pump if the steam generator secondary water temperature is greater than 100'F above any RCS cold leg temperature.
With both 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.
st Otic'thefcs vened per ACTtOHS a,b,orcl veri y 9 Open+ f OF tees+>>1ce tser el d<fs kevh )he pai'bwef ts pfoufst& Lf R rn vcC~)
't"0~>> l~k>1 se~ jed, or overwise Secured iq )ge c pen pasiW~n>
Ot"teruri>e yerSV Ae'V nP eVerb
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PALO VERGE - UNIT 3 tstitii one SCS reliefvalYe inoperable ln gpDE Ft'-, res%ore. tb~ incpera 4h< Rcs
<~>~< >~<~e> vspt'thi'n 7'Java oit"ge re~suri~ and vent fh ~ugh @ as&> l4 sqwreinch yen'(s) w84in Qe rtexqehsF<rs.
Do no>><<mps ressfor coofarrt pump i<fhr sfee~yenerador vfsfar iemiserd'iufe
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g<~<+e khan le F'abave any'RCS cold le +e~~era4qre.
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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.
4.4.8.3.2 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 aAwsy is p~vided by a vaive Cs) Qa 4 is lo ted~ sea(eJ, or oHerrrrise secured in 4he. ot err posikiorr> o]herwise verily aligrrrrrerri ever~ iZ hsrrrs PALO VERDE " UNIT 3 3/4 4"33 AMENDMENT NO 24
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