ML17311A977

Proposed Tech Specs,Modifying Tables 3.3-4 & 3.3-5 of Section 3/4.3.2 of Esfa Sys Instrumentation

ML17311A977
Person / Time
Site:	Palo Verde
Issue date:	06/21/1995
From:	ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17311A976	List: ML17311A977
References
NUDOCS 9506290421
Download: ML17311A977 (10)

Text

ENCLOSURE 2 REVISED PAGES TO TECHNICAL SPECIFICATION SECTION 3/4.3.2 ENGINEERED SAFETY FEATURES ACTUATION.SYSTEM INSTRUMENTATION 9506290421 950621 PDR ADOCK 05000528 P PDR

TABLE 3.3-4 (Continued)

ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION TRIP VALUES ESFA SYSTEM FUNCTIONAL UNIT TRIP VALUES ALLOWABLE VALUES RECIRCULATION (RAS) l A. Sensor/Trip Units Refueling Water Storage Tank - Low 7.4X of Span 7. 9 > X of Span > 6. 9 B. ESFA System Logic Not Applicable Not Applicable C. Actuation System Not Applicable Not Applicable VI. AUXILIARY FEEOWATER (SG-1)(AFAS-1) 0 A. Sensor/Trip Units Xl

1. Steam Generator 81 Level - Low 25.8X MR( ) > 25.3X MR

2. Steam Generator d Pressure- < 185 psid < 192 psid rl SG2 > SG1 0 B. ESFA System Logic Not Applicable Not Applicable C. Actuation Systems Hot Applicable Not Applicable AUXILIARY FEEDWATER (SG-2)(AFAS-2)

A. Sensor/Trip Units

1. Steam Generator 82 Level - Low > 25.8X WR( ) 25.3X MR( ) 0

2. Steam Generator d Pressure- < 185 psid < 192 psid SG1 > SG2 B. ESFA System Logic Hot Applicable Not Applicable C. Actuation Systems Hot Applicable Hot Applicable VIII LOSS OF POWER A. 4.16 kV Emergency Bus Undervoltage C7 m (Loss of Voltage) > 3250 volts > 3250 volts B. 4. 16 kV Emergency Bus Undervoltage 2930 to 3744 olts 2930 to 374 olts CD (Degraded Voltage) . 3-Um 1 m 1 IX. CONTROL ROOM ESSENTIAL FILTRATION < 2 x 10-s pCi/cc < 2 x 10- ljCi/cc P R 97

• 37 gg

~ r.

WC 4%It t

TABLE 3.3-4 (Continued)

ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION TRIP VALUES ESFA SYSTEM FUNCTIONAL UNIT TRIP VALUES ALLOMABLE VALUES V. RECIRCULATION (RAS)

A. Sensor/Trip Units Refueling Mater Storage Tank - Low 7.4X of Span 7.9 > X of Span > 6.9 B. ESFA System Logic Not Applicable Not Applicable C. Actuation System Not Applicable Not Applicable VI. AUXILIARY FEEOMATER (SG-1)(AFAS-1) 0 A. Sensor/Trip Units

1. Steam Generator 81 Level - Low .(') > 25.3X WR(')

2. Steam Generator h Pressure- < 185 psid < 192 psid SG2 > SG1 B. ESFA System Logic Not Applicable Not Applicable C. Actuation Systems Not Applicable Not Applicable VII. AUXILIARY FEEOMATER (SG-2)(AFAS-2) 0 A. Sensor/Trip Units

(') 0

1. Steam Generator 02 Level - Low ~ 25.3X MR( ) z

2. Steam Generator 6 Pressure- < 185 psid < 192 psid SG1 > SG2 B. ESFA System Logic Not Applicable 'Not Applicable C. Actuation Systems Not Applicable Not Applicable VIII. LOSS OF POHER A. 4. 16 kV Emergency Bus Undervoltage (Loss of Voltage) > 3250 volts > 3250 volts B. 4. 16 kV Emergency Bus Undervoltage 2930 to 374 volts 930 to 374 volts (Degraded Voltage) -se -sec W 1 lm IX. CONTROL ROOM ESSENTIAL FILTRATION < 2 x 10-s pCi/cc < 2 x 10- pCi/cc M7 +o 3784 3<~7 4 3V84

llew a TABLE 3.3-4 (Continued)

ENGINEEREO SAFETY FEATURES ACTUATION SYSTEH INSTRUHENTATIOH TRIP VALUES ESFA SYSTEH FUNCTIONAL UNIT TRIP VALUES ALLOMABLE VALUES i V. RECIRCULATION (RAS)

A. Sensor/Trip Units Refueling Mater Storage Tank - Low 7.4X of Span 7. 9 > X of Span > 6. 9 B. ESFA System Logic Not Appi>cable Not Applicable C. Actuation System Hot Applicable Hot Applicable 0

VI. AUXILIARY FEEDMATER (SG-l)(AFAS-1)

A. Sensor/Trip Units x

1. Steam Generator 81 Level - Low > 25.8X WR( ) > 25.3X MR(4) 0 XI

2. Steam Generator h Pressure- < 185 psid < 192 psid SG2 >. SGl a B. ESFA System Logic ~ Not Applicable Not Applicable O

C. Actuation Systems Not Applicable Not Applicable Z VI I. AUXILIARY FEEDWATER (SG-2)(AFAS" 2) O A. Sensor/Trip Units

1. Steam Generator S2 Level - Low > 25 8X MR( ) 25.3X MR( )

2. Steam Generator d Pressure- < 185 psid < 192 psid SG1 > SG2 B. ESFA System Logic Not Applicable Not,hpp1 i cab l e m C. Actuation Systems Hot Applicable Not Applicable VIII. LOSS OF POWER A. 4. 16 kV Emergency Bus Undervoltage (Loss of Voltage) > 3250 volts > 3250 volts B. 4. 16 kV Emergency Bus Undervoltage 30 to 374 v its 2930 to 3744 olts (Degraded Voltage) tlm CONTROL ROOH ESSENTIAL FILTRATIOH

< 2 x 10-s pCi/cc < 2 x 10-s pCi/cc IX.

Mes 4 3784 36eV 4 3/84

I I

V

INSERT A ACTION 19- With three of the degraded voltage relays per bus INOPERABLE or not energized:

Restore one degraded voltage relay to OPERABLE and comply with the provisions of ACTION 14 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, or

b. Restore two degraded voltage relays to OPERABLE and comply with the provisions of ACTION 13 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, or c 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 />.

With four of the degraded voltage relays per bus INOPERABLE or not energized:

a. Restore two degraded voltage relay to OPERABLE and comply with the provisions of ACTION 14 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, or

b. Restore three degraded voltage relays to OPERABLE and comply with the provisions of ACTION 13 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 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 />.

4 ~

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