Text

Rev 1 to PVNGS Unit 2 Cycle 7 Colr
	ML17312A830
Person / Time
Site:	Palo Verde
Issue date:	06/28/1996
From:	; ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	;
Shared Package
ML17312A827	List: ML17312A826; ML17312A830;
References
	NUDOCS 9607080274
	Download: ML17312A830 (36)
	v • d • e

CORE OPERATING LIMITSREPORT PALO VERDE NUCLEARGENERATING STATION (PVNGS)

UNIT2 CYCLE 7 Revision 1 9607080274 960628 PDR ADQCK 05000528 P

PDR Page 1 of23

Revision 1

PVNGS UNIT2 CYCLE 7 CORE OPERATING LIMITSREPORT Table of Contents

~Descri tion Cover Page Table of Contents Revision 0 P~ae gp 1

Affected Technical Specifications CORE Operating Limits-3.1 ~ 1 ~ 1 Shutdown Margin - Reactor Trip Breakers Open 3.1.1.2 Shutdown Margin - Reactor Trip Breakers Closed 3.1.1.3 Moderator Temperature Coefficient 3.1.2.7 Boron DilutionAlarms 3.1.3.1 Movable Control Assemblies - CEA Position 3.1.3.6 Regulating CEA Insertion Limits 3.1,3.7 Part Length CEA Insertion Limits 3.2.1 Linear Heat Rate 3.2.3 Azimuthal Power Tilt-Tq 3.2,4 DNBR Margin 3.2.7 AxialShape Index 3.9.1 Boron Concenmtration (Mode 6) 4 List of Figures Figure 3.1.1.1-1 Shutdown Margin.Versus Cold Leg Temperature Reactor Trip Breakers Open ja Figure 3.1.1.2-1 Shutdown Margin Versus Cold Leg Temperature Reactor Trip Breakers Closed Figure 3.1.1.3-1 MTC Acceptable Operation, Modes 1 and 2 Figure 3.1.3.1-1 Core Power LimitAfter CEA Deviation 10 Figure 3.1.3.6-1 CEA Insertion Limits Versus Thermal Power (COLSS in Service)

Figure 3.1.3.6-2 CEA Insertion Limits Versus Thermal Power (COLSS Out of Service) 12 Figure 3.1.3.7-1 Part Length CEA Insertion Limits Versus Thermal Power 0

13 Page 2 of 23

Revision 1

PVNGS UNIT2 CYCLE 7 CORE OPERATING LIMITSREPORT Table of Contents (Continued)

~Dercri ri n ReviseiRn ¹

~Pa e

Figure 3.2.3-1 Azimuthal Power TiltVersus Thermal Power (COLSS in Service) 14 Figure 3.2A-1 COLSS DNBR Operating LimitAllowance for Both CEAC's Inoperable 15 Figure 3.2.4-2 DNBR Margin Operating LimitBased on the Core Protection Calculators (COLSS Out of Service, CEAC's Operable) 16 Figure 3.2A-3 DNBR Margin Operating LimitBased on the Core Protection Calculators (COLSS Out ofService, CEAC's Inoperable) 17 ListofTables 18 Table 3.1.2.7-1 Required Monitoring Frequencies for Backup Boron DilutionDetection as a Function of Operating Charging Pumps and Plant Operational Modes for Keff> 0.98 19 Table 3.1.2.7-2 Required Monitoring Frequencies for Backup Boron DilutionDetection as a Function of Operating Charging Pumps and Plant Operational Modes for 0:98 > Keff> 0.97 20 Table 3.1.2.7-3 Required Monitoring Frequencies for Backup Boron Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.97 > Keff> 0.96 21 Table 3.1.2.7-4 Required Monitoring Frequencies for Backup Boron Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.96 > Keff> 0.95 22 Table 3.1.2.7-5 Required Monitoring Frequencies for Backup Boron Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for Keff< 0.95 23 Page 3 of 23

~

Revision 1

PVNGS UNIT2 CYCLE 7 CORE OPERATING LIMITSREPORT This Report has been prepared in accordance with the requirements ofTechnical Specification 6.9.1. The Core Operating Limits have been developed using the NRC approved methodologies specified in Section 6.9.1.10 ofthe Palo Verde Unit 2 Technical Specifications.

3.1.1.1 Shutdown Margin - Reactor Trip Breakers Open 3.1.1.2 Shutdown Margin - Reactor Trip Breakers Closed 3.1.1.3 3.1.2.7 Moderator Temperature CoefBcient Boron DilutionAlarms 3.1.3.1 Movable Control Assemblies - CEA Position 3.1.3.6 Regulating CEA Insertion Limits 3.1.3.7 Part Length CEA Insertion Limits 3.2.1 3.2.3 3.2.4 Linear Heat Rate Azimuthal Power Tilt-T<

DNBRMargin 3.2.7 AxialShape Index Boron Concentration (Mode 6)

The cycle-specific operating limits for the specifications listed are presented below.

3.1..1 - Shutdown Mar 'n - Reactor Tri Breakers 0 en The Shutdown Margin shall be greater than or equal to that shown in Figure 3.1.1.1-1.

3.1.1.2 - Shutdown Mar 'n - Reactor.Tri Breakers Closed The Shutdown Margin shall be greater than or equal to that shown in Figure 3.1.1.2-1.

Page 4of23

Revision j.

PVNGS UNIT2 CYCLE 7 CORE OPERATING LIMITSREPORT R~

P AT TT, -

TIN Ji r

rTm r

r ffiin The moderator temperature coefficient (MTC) shall be withinthe area ofAcceptable Operation shown in Figure 3.1.1.3-1.

1 2 7 - 8 r n Dil i n Al With one or both start-up channel high neutron fluxalarms inoperable, the RCS boron concentration shall be determined at the applicable monitoring &equency specified in Tables 3.1.2.7-1 through 3.1.2.7-5.

1 1-v I

ntrlA m li A

i'ith one or more full-length or part-length CEAs misaligned from any other CEAs in its group by more than 6.6 inches, the minimum required MODES 1 and 2 core power reduction is specified in Figure 3.1.3.1-1.

-R l in EA In rti n Limi One or more CEAC's OPERABLE: With COLSS INSERVICE, regulation CEA groups shall be limited-to the withdrawal sequence and to the insertion limits shown in Figure 3.1.3.6-1; with COLSS QQT OF SERVICE, regulation CEA groups shall be limited to the withdrawal sequence and to the insertion limits shown in Figure 3.1.3.6-2.

3.1.3.7 - Part Len h CEA Insertion Limits One or more CEAC's OPERABLE: The part length CEA groups shall be limited to the insertion limits shown in Figure 3.1.3.7-1.

3.2.1 - Linear Heat Rate The linear heat rate limitof 13.5 kW/ftshall be maintained.

Page 5 of 23

Revision 1

PVNGS UNIT2 CYCLE 7 CORE OPERATING LIMITSREPORT P

ER I

I I I

F 2

- zm h l wr 'l The AZIMUTHALPOWER TILT(T<) shall be less than or equal to the limitin Figure 3.2.3-1 with COLSS IN SERVICE.

3.2.4 - DNBRMar 'n COL'SS IN SERVICE and Both CEAC's INOPERABLE - Maintaining COLSS calculated core power less than or equal to COLSS calculated core power operation limitbased on DNBR decreased by the allowance shown in Figure 3.2.4-1.

COLSS OUT OF SERVICE and Either One or Both CEAC's are OPERABLE - Oper'ating withinthe region ofacceptable operation of Figure 3.2.4-2 using any operable CPC channel.

COLSS OUT OF SERVICE and CEAC's INOPERABLE - Operating withinthe region ofacceptable operation ofFigure 3.2.4-3 using any operable CPC channel.

27-Axi h

In x

The core average AXIALSHAPE INDEX(ASI) shall be maintained within the followinglimits:

COLSS OPERABLE

- -0.188 < ASI 5 0.169 COLSS OUT OF SERVICE (CPC)

-0.10 < ASI < 0.10

.1-Brn n nr in M The boron concentration ofall Filled portions ofthe Reactor Coolant System and the refueling canal shall be maintained at a uniform concentration > 2500 ppm.

Page 6 of 23

Revision I PVNGS UNIT2 CYCLE 7 CORE OPERATING LIMITSREPORT T

(

i E

3.1.1.1-1.

Shutdown Margin Versus Cold Leg Temperature, Reactor Trip Breakers

~

Open 3.1.1.2-1.

Shutdown Margin Versus Cold Leg Temperature, Reactor Trip Breakers Closed 3.1.1.3-1.

MTC Acceptable Operation, Modes 1 and 2.

3.1.3.1-1.

Core Power LimitAfter CEA Deviation.

3.1.3.6-1.

CEA Insertion LimitsVersus Thermal Power (COLSS In Service).

3.1.3.6-2.

CEA Insertion Limits Versus Thermal Power (COLSS Out ofService) 3.1.3.7-1.

Part Length CEA Insertion LimitVersus Thermal Power.

3.2.3-1.

3.2.4-1.

~

3.2.4-2.

3.2.4-3.

Azimuthal Power TiltLimitVersus Thermal Power (COI SS In Service).

COLSS DNBR Power Operating LimitAllowance for Both CEACs Inoperable.

DNBR Margin Operating LimitBased on Core Protection Calculators (COLSS Out ofService, CEACs Operable)

DNBRMargin Operating LimitBased on Core Protection Calculators (COLSS Out ofService, CEACs Inoperable)

Page 7 of 23

PYNGS UNIT 2 CYCLE 7 CORE OPERATING LIMITS REPORT Revision 1

FIGURE 3. 1. 1. 1 1 SHUTDOWN MARGIN VERSUS COLD LEG TEMPERATURE REACTOR TRIP BREAKERS OPEN N6 Y,

z zW2 0

P1 U3 REGI N OF ACCE TABLE OPE TION OPE TION REGION OF UNACC PTABLE 100 200 300 400 500 600 CO<.D ZZG VZMim~VURZ ('F)

Page 7a of 23

,V

PVNGS UNIT 2 CYCLE 7 CORE OPERATlNG LlMlTS REPORT Revels>on 0 FIGURE 3.1.1.2 1 SHUTDOWN MARGIN VERSUS COLD LEG TEMPERATURE REACTOR TRIP BREAKERS CLOSED

~6

)l5

~4 z

zW2 DA P1 CQ REGl N OF

, ACCE TABLE OPER TION (soo,s.

REGlON OF UNACCEPTABLE OPE TION 100 200 300 400 COLD LEG TEMPERATURE (F) 500 600 Page 8 of 23

A O

K

~A K Q 0 Q "lO TI A

O I

XI 0

'Tj 0.0

-0.5

-1.0

-1.5

-2.0

-2.5

-3.0

-3.5

-4.0 (Ox,O.5)----

Te h.

ec.'

~3M@omum U

'9'"'"<<f ('ZGIe Limit (50x, 0.0) er Umif (100x, 0)

(100r, -0.2)

INTC AREA OF ACCEPTABLE OPERATION 10 20 30 40 50 60 70 80 90 CORE POWER LEVEL (% OF RATED THERMALPOWHRj 100 (Ox, -3.1)

Er1d of C

"Joie Lirni]

( 1 oox,-3.8)

K A

c 9

AA M

0

"<n p~0 P3Qm oC WO X 0

'A 43 m

~m0

~

1 m

0

~

z 4 G3 0 I

@~a 0U M

s 33 0

e M

0 C

0 O

II

PVNGS UNlT 2 CYCLE 7 CORE OPERATlNG LlMlTS REPORT FIGURE 3. 1.3. 1 1 CORE POWER LIMITAFTER CEA DEVIATION

30 z

C) 25 Vo

~p 20 0 %15

~~10 QO Z

0 10 20 30 40 '0 TIMZ AFTZH DZVIATION,)rri~uTZS Revision 0 60

WHEN CORE POWER IS REDUCED TO 55% OF RATED THERMAL POWER PER THIS LIMITCURVE, FURTHER REDUCTION IS NOT REQUIRED Page 10 of 23

lj t

A O

0 M

~ Xf t

0 0.

0.

0 ~gi 0 ~

e+<

mm>

33+01 Hrp Z+cn rg QQz W ~

0~

~

z ~

0m*'%m m

GROUP 5 Z0X mN GROUP 3 GROUP 1 150 120 90 60 30 0

150 120 90

- GROUP 4 60 30 0

150 120 90 60 30 0

GROUP 2 150 120 90 60 30 0

150 120 90 60 30 0

A C

Z z9 R

z 0

~'Z

'ojn Q + M

~porn~

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u) + g o Mao MX'

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zt A

cEA r osrhoN (mcHas wtTrtDaAwN) 0 C

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0.

0 0.

p'I OI (g ~

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Maes pg zx rn+~

~m'0 Ol ZQcl rg gDZ GROUP 5 GROUP 3 GROUP 1 150 120 90 60 30 0

150 120

- 90 60 30 0

150 120 90 60 30 0

GROUP 4 GROUP 2 A

(

z z9 U)

C

~ M n.O 0 'Z

~L-< n Mg m

O~C 4

C~~o MWO O W."

~gF 0

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>No A

0) 0 0

z 150 120 90 60 30 0

150 120 90 60 30 0

CHA POSITION (INCFIES WITFIDRAWN).

0 C

0 O

e PVNGS UNIT 2 CYCLE 7 CORE OPERATING LIMITS REPORT Revision 0 FIGURE 3. 1.3.7 1 PART LENGTH CEA INSERTION LIMITS VERSUS THERMALPOWER 10 20 30 40 50 60 70 80 90 100 1 1.0 120 130 140 150 TRANSIENT INSERTION LIMIT 5.0 INCHES OP ERATION UNACCEPTABLE OP ERATION RESTRICTED OPERATION ACCEPTABLE 8 8 1 S 0 S 5 1 5 0 5 0 5 5 S S S ~ 0 lt0 5 1 5 0 0 5 0 0 0 0 5 a 5I 5 0 5 0 ~

LONG TERM STEADY STATE INSERTION LIMIT (112.5 INCHES) 0 10 20 30 40 50 60 70 80 90 100 110

\\

120 130 140 150 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2

-0.1 0.0 FRACTION OF RATED THERMALPOWER Page 13 of 23

PVNGS UNIT 2 CYCLE 7 CORE OPERATING LIMITS REPORT Revision 0 FIGURE 3.2.3 j.

AZIMUTHALPOthtER TILT VERSUS THERMAL PO)VER (COLSS IN SERVICE) 50 H 45 M 40 W 35

~ 30 25 C) p 20

+ 10 REGION OF UNACCEPTABLE OP ERATION 20 30 40 50 60 70 80 90 PERCENT OF RATED THERMALPOWER 100 Page 14 of 23

n0 M

M 2

08 g o~

<o n

3 Q

~x oQp

~Q Og n

0lg 20 15 10 5

0 O

O V

Ol O

25 50 75 PERCENT OF RATED THERMAI,POWER tOO Vl O

100 t

z o

U) vn zo n L-M 0

o+~o 0++ n HOW~

g Q

pl 0

n~'N~

m

~~+XI n-I

~+

I +~Z Q

a I

oMK m

03 0

0

e 2.5 PVNGS UNlT 2 CYCLE 7 CORE OPERAT1NG LlM1TS REPORT FIGURE 3.2.4 2 DNBR MARGIN OPERATING LIMITBASED ON THE CORE PROTECTION CALCULATORS (COLSS OUT OF SERVICE, CEAC's OPERABLE)

Revision 0 ACCE TABLE CQ2>

Z R 2.2 p

2.0 1.9 0.1, 2.14)

NACC (0. 95, 2.25)

PTABLE 0.1, 2.25)

-0.20

-0.15

-0.10

-0.05 0.00 0.05 0.10 0.15 0.20 CORE AVERAGE ASI Page 16 o( 23

PVNGS UNlT 2 CYCLE 7 CORE OPERATlNG LlMITS REPORT Revision 0 FIGURE 3.2.4' 3

DNBR MARGIN OPERATING LIMITBASED ON THE CORE PROTECTION CALCULATORS-(COLSS OUT OF SERVICE, CEAC's INOPERABLE) 2.7 2.6 ACCE TABLE CEAC's IN PERABLE (o.os 2 47~

o.1, 2.47

(

0.1, 234 2.2 NACC OPER PTABLE TION 2.1

-0.20

-0.15

-0.10

-0.05 0.00 0.05 0.10 0.15 0.20 CORE AVERAGE ASI Page 17 o( 23

Revision 0

PVNGS UNIT2 CYCLE,7 CORE OPERATING LIMITSREPORT LI T FTABL 3.1.2.7-1.

Required MonitoringFrequencies for Backup Boron DilutionDetection as a Function of Operating Charging Pumps and Plant Operational Modes for K,g > 0.98.

3.j..2.7-2.

Required MonitoringFrequencies for Backup Boron DilutionDetection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.98 > E,1I > 0.97.

3.j..2.7-3.

Required MonitoringFrequencies for Backup Boron DilutionDetection as a Function ofOperating Charging Pumps and Plant Operational Modes for 0.97 > K,g> 0.96.

3.]..2.7-4.

Required MonitoringFrequencies for Backup Boron DilutionDetection as a Function ofOperating Charging Pumps and Plant Operational Modes for 0.96 > E,ff) 0.95.

3.1.2.7-5.

Required MonitoringFrequencies for Backup Boron DilutionDetection as

'a Function ofOperating Charging Pumps and Plant Operational Modes for E,g < 0.95.

Page 13 of 23

Revision 0

PVNGS UNIT2 CYCLE 7 CORE OPERATING LIiVlITSREPORT TABLE3.1.2.7-1 REQUIRED MONITORINGFREQUENCIES FOR BACKUP BORON DILUTIONDETECTION AS A FUNCTION OF OPERATING CHARGING PUMPS ANDPLANTOPERATIONALMODES FOR K,ff> 0.98 OPERATIONAL MODE Number of Operating Charging Pumps 4 not on SCS 5 not on SCS 4&5onSCS 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months 8 hours 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months 1 hour ONA ONA 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months 1 hour ONA ONA OiVA ONA ONA ONA ONA ONA Notes:

SCS = Shutdown Cooling System ONA = Operation Not Allowed Page 19 of 93

Kevision U

PVNGS UNIT2 CYCLE 7 CORE OPERATING LIMITSREPORT TABLE3.1.2.7-2 REQUIRED MONITORINGFREQUENCIES FOR BACKUPBORON DILUTIONDETECTION AS A FUNCTIOlilOF OPERATING CHARGING PUMPS ANDPLANT OPERATIONALMODES FOR 0.98 > off> 0.97 OPERATIONAL MODE Number of Operating Charging Pumps 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months 2 hours 0.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months ONA 4 not on SCS 5 not on SCS 4 Bc 5 on SCS 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months 2.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 1 hour 0.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 8 hours'.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months ONA ONA 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months 2.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 1 hour 0.5. hours Notes:

SCS = Shutdown Cooling System ONA = Operation Not Allowed Page 20 of 23

Revision 0 PVNGS UNIT2 CYCLE 7 CORE OPERATING LIMITSREPORT TABLE3.1.2.7-3 REQUIRED MONITORINGFREQUENCIES FOR BACKUP BORON DILUTIONDETECTION AS ADJUNCTION OF OPERATIiNG CHARGING PUMPS AND PLANT OPERATIONALMODES FOR 0.97 > Kgff)0;96 OPERATIONAL MODE Number of Operating Charging Pumps 3

4 not on SCS 5 not on SCS 4 & 5 onSCS 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months 12 hours 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months 8 hours 3.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 1.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 1 hour 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months 0.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months ONA 3.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 1.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 0.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 3.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 1.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months

-.1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months Notes:

SCS = Shutdown Cooling System ONA = Operation Not Allowed Page 21 of 23

Revi'sion 0

PVNGS UNIT2 CYCLE 7 CORE OPERATING LIiVIITSREPORT TABLE3.1.2.7-4 REQUIRED MONITORINGFREQUENCIES FOR BACKUP BOROiN DILUTIONDETECTION AS A FUNCTION OF OPERATING CHARGING PUMPS AND PLANT OPERATIONALMODES FOR 0.96 > K,ff> 0.95 OPERATIOiNAL iMODE Number of Operating Charging Pumps 4 not on SCS 5 not on SCS 4%5onSCS 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months 8 hours 5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 2 hours 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months 5 hours 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months 5 hours 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months 1 hour 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months 1 hour 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months 1 ho'ur 0.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months ONA Notes:

SCS = Shutdown Cooling System ONA = Operation Not Allowed Page 22 of 23

Revision 0

PVNGS UNIT2 CYCLE 7 CORE OPERATING LIMITSREPORT TABLE3.1.2.7-5 REQUIRED MONITORINGFREQUENCIES FOR BACKUPBORON DILUTIONDETECTION AS A FUNCTIOiN OF OPERATING CHARGING PUMPS ANDPLANTOPERATIONALMODES FOR K,g < 0.95 OPERATIOiNAL MODE.

Number of Operating Charging Pumps 4 not on SCS 5 not on SCS 4& 5 onSCS 6 (> 4000 ppm) 6 (< 4000 ppm) 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months 6 hours 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months 6 hours 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months 8 hours 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months 2 hours 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months 8 hours 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months 2 hours 2.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 1.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 3 hours 1 5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 3 hours 1.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 1 hour 0.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months 4 hours 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months 0.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months ONA Notes:

SCS = Shutdown Cooling System ONA = Operation not allowed Page 23 of 23

ML17312A830

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