ML17310B451

Proposed Tech Specs Amend to Add One Action Statement to Table 3.3-3,entry 8

ML17310B451
Person / Time
Site:	Palo Verde
Issue date:	07/12/1994
From:	ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17310B450	List: ML17310B449 ML17310B451
References
NUDOCS 9407250073
Download: ML17310B451 (16)

Text

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TABLE 3.3-3 (Continued)

ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUHENTATION m

( TOTAL NO. CHANNELS MINIMUM CHANNELS APPLICABLE C) ESFA SYSTEM FUNCTIONAL UNIT OF CHANNELS TO TRIP OPERABLE MODES ACTION m

VI. AUXILIARY FEEDWATER (SG-l)(AFAS-1) (Continued)

B. ESt A System Logic

l. Matrix Logic 6 1 2 3 17

2. Initiation Logic 4(c) 0 2(d) 1, 2, 3, 4 12

3. Manual AFAS 4(c) 2(d) 1,2,-3,4 15 D3 Automatic Actuation Logic 1 ,.1,2,3,4 16 Q

C. f I

VII. AUXILIARY FEEDWATER (SG"2)(AFAS-2) III 0'13%

QQ A. Sensor/Trip Units 0

ÃO 1. Steam Generator 02 Level-M

&UI Low 1 2 3 13", l 4" O UO 2. SLeam Generator d A

DO Cl<

RM Pressure - SGl > SG2 1 2 3 13*, 14" ON B. ESFA System Logic UIA OO 1. Matrix Logic 6 1 2 3 17 ON t!QOB UIM 2. Initiation Logic 4(c) 2(d) 1, 2, 3, 4 12 Xhl N

3. Hanual AFAS 4(c) 2(d) 1 2 3, 4 15 C. Automatic Actuation Logic 2 1 1, 2, 3, 4 16 m VIII. LOSS OF POWER (LOV)

Cs m A. 4. 16 kV Emergency Bus Under-

'X voltage (Loss of Voltage) 4/Bu gg) '. 2/Bus 3/Bus 1, 2, 3 13", 14" B. 4. 16 kV Emergency Bus Under-13k 14k JI) 4 voltage (Degraded Voltage) 4/Bu (g.)  : 2/Bus 3/Bus 1, 2, 3 FILTRATION 1 All Modes 18" IX. CONTROL ROOM ESSENTIAL 2  !

1 GR INFGRMATIGN GNi TABLE 3. 3" 3 Continued)

TABLE NOTATIONS (a) In MODES 3-4, the value may be decreased manually, to a minimum of 100 psia, as pressurizer pressure is reduced, provided the margin between the pressurizer pressure and this value is maintained at less than or equal to 400 psi; the setpoint shall be increased automatically as pressurizer pressure is increased until the trip setpoint is reached. Trip may be manually bypassed below 400 psia; bypass shall be automatically removed whenever pressurizer pressure is greater than or equal to 500 psia.

(b) In MODES 3-4, the value may be decreased manually as steam generator pressure is reduced, provided the margin between the steam generator pressure and this value is maintained at less than or equal to 200 psi; the setpoint shall be increased automatically as steam generator pressure is increased until the trip setpoint is reached.

(c) Four channels provided, arranged in a selective two-out-of-four configuration (i.e., one-out-of-two taken twice).

(d) The proper two-out-of-four combination.

The provisions of Specification 3.0.4 are not applicable.

ACTION STATEMENTS ACTION 12- Mith the number of OPERABLE channels one less than the Total Number of Channels, restore the inoperable channel to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in at least HOT 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 SHUTDOMN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

ACTION 13- Mith the number of channels OPERABLE one less than the Total Number of Channels, STARTUP and/or POMER OPERATION may continue provided the inoperable channel is placed in the bypassed or tripped condition within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />. If the inoperable channel is bypassed, the desirability of maintaining this channel in the bypassed condition shall be reviewed in accordance with Specification 6.5. 1.6.g. The channel shall be returned to OPERABLE status no later than during the next COLD SHUTDOMN.

Mith,a channel. process measurement circuit that" affects. multiple functional units inoperable or im test, bypass or trip all associated functional units as listed below.

Process Measurement Circuit

1. Steam Generator Pressur e- Steam Generator Pressure - Low Low Steam Generator Leve1 1-Low (ESF)

Steam Generator Level 2-Low (ESF)

2. Steam Generator Level Steam Generator Level - Low (RPS)

(Mide Range) Steam Generator Level 1-Low (ESF)

Steam Generator Level 2-Low (ESF)

'ALO 'VERDE 'UNIT' 3/4'3-23 AMENOMENT NO. 37

yCQ~~ilTROLLED QOCUMgj37 TABLE 3.3-3 (Continued)

ACTION STATEMENTS (Continued)

ACTION 14- With the number of channels OPERABLE one less than the Minimum Channels OPERABLE, STARTUP and/or POWER OPERATION may continue provided the following conditions are satisfied:

a. Verify that one of the inoperable channels has been bypassed and place the other inoperable channel in thee tri ripped ed condition within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

. b. All functional units affected by the bypassed/tripped channel shall also be placed in the bypassed/tripped condition as listed below:

Process Measurement Circuit Functional Unit Bypassed/Tripp ed

1. Steam Generator Pressure - Steam Generator Pressure - Low Steam Generator Level 1 " Low (ESF Steam Generator Level 2 - Low (ESF

2. Steam Generator Level - Low Steam Generator Lev e l " Low (RPS)

( Widee Range)

Ran e Steam Generator Level 1 - Low (ESF Steam Generator Level 2 " Low and/or POWER OPERATION may continue until the performance (ESF'TARTUP of the next required CHANNEL FUNCTIONAL TEST. Subsequent STARTUP and/or POWER OPERATION may continue if one channel is restored to OPERABLE status and the provisions of ACTION 13 are a satisfied.

ACTION 15- With the number of OPERABLE channels one less than the Total Number of Channels, restore the inoperable channel to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in at least HOT STANDBY within

-6 hours and in HOT SHUTDOWN within, the following 6 ho.i~s.

ACTION 16- With the number of OPERABLE channels one less than the Total Number of Channels,.be in at least HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in at least HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />; however, one channel may be bypassed for up to 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> for surveillance testing provided the other channel is OPERABLE ACTION 17 " With. the number of OPERABLE channels one less than an th e M~nimum Number of Channels, restore the inoperable, channel to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in at least HOT STANDBY 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 3O hours

'th'ext ACTION 18- With the number of OPERABLE channels one less than th e > nimum of Channels, operation may continue for up u t o 6 hhours. M'umber After 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> operation may continue provided aat l eas t 1 train of o essential filtration is in operation, otherwise, be in HOT STANDBY within the next 6 hours and in COLD SHUTDOWN within the t following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

PALO VERDE - UNIT 1 3/4 3-24 AMENDMENT NO. 27

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TABLE 3. 3-3 (Continued)

ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION HINIHUM TOTAL NO. CHANNELS CHANNELS APPLICABLE, ESFA SYSTEM FUNCTIONAL UNIT Of CHANNELS TO TRIP OPERABLE MODES ACTION VI. AUXILIARY FEEDWATER (SG-1)(AFAS-1) (Continued)

B. ESFA System Logic

l. Matrix Logic 6 1 2 3 17

2. Initiation Logic 4(c) 2(d) 1, 2, 3, 4 12

3. Manual AFAS 4(c) 2(d) 4 1, 2, 3, 4 15 C~ Automatic Actuation Logic 1 2 1, 2, 3, 4 16 VI'I. AUXILIARY FEEDWATER (SG-2)(AFAS-2)

A. Sensor/Trip Units P

l. Steam Generator 82 Level-Low 1, 2, 3 13'4 14*

2. Steam Generator h Pressure - SGl ) SG2 1, 2, 3 13*, 14*

B. ESFA System Logic

1. Hatrix Logic 1, 2, 3 17

2. Initiation Logic 4(c) - 2(d) 1, 2, 3, 4 12

3. Hanual AFAS 4(c) 2(d) 1, 2, 3, 4 15 C. Automatic Actuation Logic 2 1 1, 2, 3, 4 16 VI I I. LOSS'F POWER (LOV)

A. 4. 16 kV Emergency Bus Under-voltage (Loss of Voltage) 4/Ou (e) 2/Bus 3/Bus 1,2,3 ~ 13+, 14*

B. 4. 16 kV Emergency Bus Under-voltage (Degraded Voltage) 4/Ou (e) 2/Bus 3/Bus 1, 2, 3 13", 14"

)

IX. CONTROL ROOM ESSENTIAL FILTRATION 2 All Modes 18"

I ~

n

GR INFGRiViATIGNGM TABLE 3.3-3 (Continued)

ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION (a) In MODES 3-4, the value may be decreased manually, to a minimum of 100 psia, as pressurizer pressure is reduced, provided the margin between the pressurizer pressure and this value is maintained at less than or equal

@3'ABLE'OTATIONS to .400 psi; the setpoint shall be increased automatically as pressurizer

.pressure is increased until the trip setpoint is reached. Trip may be manually bypassed below 400 psia; bypass shall be automatically removed whenever pressurizer pressure is greater than or equal to 500 psia.

(b) In MODES 3-4, the value may be decreased manually as steam generator pressure is reduced, provided the margin between the steam generator pressure and this value is maintained at less than or equal to 200 psi; the setpoint shall be increased automatically as steam generator pressure is increased until the trip setpoint is reached.

(c) Four channels provided, arranged in a selective two-out-of-four configuration (i.e., one-out-of-two taken twice).

d) The proper two-out-of-four combination.

The provisions of Specification 3.0.4 are not applicable.

ACTION STATEMENTS ACTION 12 - With the number of OPERABLE channels one less than the Total Number of Channels, restore the inoperable channel to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in at least HOT 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 SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

ACTION 13 - With the number of channels OPERABLE one less than the Total Number of Channels, STARTUP and/or POWER OPERATION may continue provided the inoperable channel is placed in the bypassed or tripped condition within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />. If the inoperable channel is bypassed, the desirability of maintaining this channel in the i/9" bypassed condition shall be reviewed in accordance with Specification 6.5. 1.6.g. The channel shall be returned to

((o . OPERABLE:status. no later than during the"next .COLD SHUTOOWN.

With a channel process measurement circuit that affects multiple e functional units inoperable or in test, bypass or trip all associated functional units as listed below.

Process Measurement Circuit

1. Steam Generator Pressure- Steam Generator Pressure - Low Low Steam Generator Level 1-Low (ESF)

Steam Generator Level 2-Low (ESF)

2. Steam Generator Level Steam Generator Level - Low (RPS)

(Wide Range) Steam Generator Level 1-Low (ESF)

Steam Generator Level 2-Low (ESF)

PALO VERDE " UNIT 2 3/4 3"23

y~ONTRQLL:-D QQCUIVlili TABLE 3. 3-3 (Continued)'NGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION ACTION STATEMENTS ACTION 14- Mith the number of channels OPERABLE one less than the Minimum

. Channels OPERABLE, STARTUP and/or POWER OPERATION may continue provided the following conditions are satisfied:

a. Verify that one of the inoperable channels has been bypassed and place the other inoperable channel in the tripped condition within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

b. All functional units affected by the bypassed/tripped channel shall also be placed in the bypassed/tripped condition as listed below:

Process Heasurement Circuit Functional Unit Bypassed/Tripped

1. Steam. Generator Pressure- Steam, Generator Pressure - Low Low Steam Generator Level 1 - Low (ESF:

4 Steam Generator Level 2 - Low (ESF:

2. Steam Generator Level - Low Steam Generator Level - Low (RPS)

(Wide Range) Steam Generator Level 1 - Low (ESF',

Steam Generator Level 2 - Low (ESF; STARTUP and/or POWER OPERATION may continue until the performance of the next required CHANNEL FUNCTIONAL TEST. Subsequent STARTUP and/or POWER OPERATION may continue restored to OPERABLE status and the provisions of ACTION .13 are if one channel is satisfied.

ACTION 15 " With the number of OPERABLE channels one less than the Total Number of Channels, restore the inoperable channel to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in ai least HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in HOT SHUTDOMN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

ACTION 16- Mi,th the number of OPERABLE channels one less than the Total Number of Channels, be in at leas~ HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in at least HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />; however, one channel may be bypassed for up to 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> for surveillance testing provided. the other channel is OPERABLE..

AC.fION 17- With the 'number of OPERABLE channels one less than the Minimum Number of Channels; restore the inoperable channel to OPERABLE

. status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in at least HOT 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 SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

ACTION 18- With the number of OPERABLE channels one less than the Minimum

'fNumber of Channels, operation may continue for up to 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

After 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> operation may continue provided at least 1 tt ain essential STANDBY filtration is in within the next 6 hours and in operation, otherwise, COLD SHUTDOWN be in HOT within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

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PALO VERDE - UNIT 2 3/4 3-24

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TABLE 3.3-3 (Continued)

ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION HINIHUH TOTAL NO. CHANNELS CHANNELS APPLICABLE ESFA SYSTEM FUNCTIONAL UNIT OF CHANNELS TO TRIP OPERABLE MODES ACTION VI. AUXILIARY FEEOWATER (SG-l)(AFAS-1) (Continued)

B. ESFA System l.ogic

1. Matrix Logic 1 2 3

2. Initiation Logic 2(d) 1, 2, 3, 4 12

3. l1anual AFAS 4(c) 2(d) 1, 2, 3, 4 15 C. Automatic Actuation Logic 1 1, 2, 3, 4 16 VII. AUXILIARY FCEOWATER (SG-2)(AFAS-2)

~

A. Sensor/Trip Units

l. Steam Generator N2 Level-13", 14*

Low 1 2 3

2. Steam Generator 6 Pressure - SGl > SG2 1 2 3 13*, 14" B. ESFA System Logic

1. Matrix Logic 6 1 2 3

2. Initiation Logic ~(c) 2(d) 1, 2, 3, 4 12

3. Manual AFAS 4(c) 2(d) ~

1, 2, 3, 4 15 C. Automatic Actuation Logic 1 1, 2, 3, 4 16 VIII. LOSS OF POWER (LOV)

A. 4. I6 kV Emergency Bus Under-voltage (Loss of Voltage) 4/Bu 2/Bus 3/Bus 1, 2, 3 13", 14" 9)

4. 16 kV Emergency Bus Under-voltage (Degraded Voltage) 4/Bu (6) 2/Bus 3/Bus 1, 2, 3 13", 14* l9 All Modes 18" IX. CONTR01 ROOM ESSENTIAL FILTRATION 2 Q,

gGR iNFGRiVIATIGN GN'ABLE

3. 3-3 Continued ENGINEERED SAFETY FEATURES ACTUATION SYSTEH INSTRUHENTATION TABLE NOTATIONS (a) In HOOFS 3-4, the value may be decreased manually, to a minimum of 100 psia, as pressurizer pressure is reduced, provided the margin between the pressurizer pressure and this value is maintained at less than or equal to 400 psi; the setpoint shall be increased automatically as pressurizer pressure is increased until the trip setpoint is reached. Trip may be manually bypassed below 400 psia; bypass shall be automatically removed whenever pressurizer pressure is greater than or equal to 500 psia.

(b) In HODES 3-4, the value may be decreased manually as steam generator pressure is reduced, provided the margin between the steam generator pressure and this value is maintained at less than or equal to 200 psi; the setpoint shall be increased automatically as steam generator pressure is increased until the trip setpoint is reached.

(c) Four channels provided, arranged in a selective two-out-of-four configuration (i.e., one-out-of-two taken twice).

(d) The proper two-out-of-four combination.

The provisions of Specification 3.0.4 are not applicable.

ACTION STATEHENTS ACTION 12 - With the number of OPERABLE channels one less than the Total Number of Channels, restore the inoperable channel to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in at least HOT 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 SHUTDOWN within the fo'llowing 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

ACTION 13 - With the number of channels OPERABLE one less than the Total

~

Number of Channels, STARTUP and/or POWER OPERATION may continue provided the inoperable channel is placed in the bypassed or tripped condition within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />. If the inoperable channel is bypassed, the desirability of maintaining this channel in the bypassed condition shall be reviewed in accordance with Speci-fication 6.5. 1.6. g. The channel shall, be returned to

+Chp .

..OPERABLE.status:no later than. during the next COLD SHUTDOWN.

With a channel process measurement circuit that affects multiple functional units inoperable or in test, bypass or trip all associated functional units as listed below.

Process Heasur ement Circuit

1. Steam Generator Pressure - Steam Generator Pressure - Low Low Steam Generator Level 1-Low (ESF)

Steam Generator Level 2-Low (ESF)

2. Steam Generator Level Steam Generator Level - Low (RPS)

(Wide Range) Steam Generator Level 1-Low (ESF)

Steam Generator Level 2-Low (ESF)

PALO VERDE " UNIT 3 3/4 3-23

TABLE 3.3-3 (Continued)

ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION ACTION STATEMENTS ACTION 14- With the number of channels OPERABLE one less than the Minimum Channels OPERABLE, STARTUP and/or POWER OPERATION may continue provided the following conditions are satisfied:

a. Verify that one of the inoperable channels has been bypassed and place the other inoperable channel in the tripped condition within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

b. All functional units affected by the bypassed/tripped channel shall also be placed in the bypassed/tripped condition as listed below:

Process Measurement Circuit Functional Unit Bypassed/Tripped

1. Steam Generator Pressure- Steam Generator Pressure - Low Low Steam Generator Level 1 - Low (ESF)

Steam Generator Level 2 - Low (ESF)

2. Steam Generator Level - Low Steam Generator Level " Low (RPS)

(Wide Range) Steam Generator Level 1 - Low (ESF)

Steam Generator Level 2 - Low (ESF)

STARTUP and/or POWER OPERATION may continue until the performance of the next required CHANNEL FUNCTIONAL TEST. Subsequent STARTUP and/or POWER OPERATION may continue if one channel is restored to OPERABLE status and the provisions of ACTION 13 are satisfied.

ACTION 15- With'the number of OPERABLE channels one less than the Total Number of Channels, restore the inoperable channel to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in at least HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

ACTION 16- With the number of OPERABLE channels one less than the Total Number of Channels, be in at least HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in at least HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />; however, one channel'ay be bypassed for up to 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> for surveillance testing provided the other channel is OPERABLE.

ACTION 17- With the number of OPERABLE channels one less than the Minimum Number of Channels, restore the inoperable channel to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in at least HOT 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 SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

ACTION 18- With the number of OPERABLE channels one less than the Minimum Number of Channels, operation. may continue for up to 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

After 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> operation may continue provided at least 1 train of essential filtration is in operation, otherwise, be in HOT 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 COLO SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

ADD gASZr PALO VERDE - UNIT 3 3/4 3-24

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