ML17214A350

Dua 2017 Ile - Administered Exam Written Examination Handouts

ML17214A350
Person / Time
Site:	Duane Arnold
Issue date:	06/14/2017
From:	Bielby M Operations Branch III
To:	NextEra Energy Duane Arnold
Bielby M
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ML16308A454	List: ML17214A214 ML17214A232 ML17214A259 ML17214A295 ML17214A307 ML17214A350
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Download: ML17214A350 (50)

Text

Student Handout Index

1. LCO 3.3.1.2 SRM Instrumentation [RO]

2. LCO 3.6.1.1 Primary Containment [SRO]

3. LCO 3.4.1 Recirculation Loops Operating [SRO]

4. LCO 3.4.2 Jet Pumps [SRO]

5. LCO 3.7.9 Control Building / Standby Gas Treatment (CB/SBGT) Instrument Air System [SRO]

6. LCO 3.8.1 AC Sources Operating [SRO]

7. EPIP Form EAL-01 Emergency Action Level Matrix [Hot]

[SRO]

8. EPIP Form EAL-02 Emergency Action Level Matrix [Cold]

[SRO]

9. EOP Graph 07 Drywell Spray Initiation Limit [SRO]

10. LCO 3.2.2 MCPR [SRO]

11. LCO 3.4.10 Reactor Steam Dome Pressure [SRO]

12. LCO 3.5.1 ECCS Operating [SRO]

13. LCO 3.1.3 Control Rod Operability [SRO]

14. LCO 3.1.6 Rod Pattern Control [SRO]

15. EOP Table 6 [RO/SRO]

16. LCO 3.6.2.2 [SRO]

17. EOP Graph 04 [RO/SRO]

18. Table of RPV Pressure versus Saturation Temperature (AOP 915 Attachment 5) [RO]

19. Core Spray NPSH Limit [RO]

20. Core Spray Vortex Limit [RO]

21. AOP 149 Appendix 1 Heatup Rate Curve -RPV Flooded

[RO]

22. AOP 149 Appendix 2 Heatup Rate Curve -RPV Level at 200[RO]

1

SRM Instrumentation 3.3.1.2 3.3 INSTRUMENTATION 3.3.1.2 Source Range Monitor (SRM) Instrumentation LCO 3.3.1.2 The SRM instrumentation in Table 3.3.1.2-1 shall be OPERABLE.

APPLICABILITY: According to Table 3.3.1.2-1.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more required A.1 Restore required 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> SRMs inoperable in SRMs to OPERABLE MODE 2 with status.

Intermediate Range Monitors (IRMs) on Range 2 or below.

B. Three required SRMs B.1 Suspend control rod Immediately inoperable in MODE 2 withdrawal.

with IRMs on Range 2 or below.

C. Required Action and C.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated Completion Time of Condition A or B not met.

(continued) 2

SRM Instrumentation 3.3.1.2 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME D. One or more required D.1 Fully insert all 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> SRMs inoperable in insertable control rods.

MODE 3 or 4.

AND D.2 Place reactor mode switch in the shutdown 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> position.

E. One or more required E.1 Suspend CORE Immediately SRMs inoperable in ALTERATIONS except MODE 5. for control rod insertion.

AND E.2 Initiate action to fully Immediately insert all insertable control rods in core cells containing one or more fuel assemblies.

3

SURVEILLANCE REQUIREMENTS

---

NOTE--------------------------------------------------------

Refer to Table 3.3.1.2-1 to determine which SRs apply for each applicable MODE or other specified conditions.

SURVEILLANCE FREQUENCY SR 3.3.1.2.1 Perform CHANNEL CHECK. In accordance with the Surveillance Frequency Control Program SR 3.3.1.2.2 --------------------------NOTES--------------------------

1. Only required to be met during CORE ALTERATIONS.

2. One SRM may be used to satisfy more than one of the following.

Verify an OPERABLE SRM detector is In accordance with located in : the Surveillance Frequency Control

a. The fueled region; Program

b. The core quadrant where CORE ALTERATIONS are being performed, when the associated SRM is included in the fueled region; and

c. A core quadrant adjacent to where CORE ALTERATIONS are being performed, when the associated SRM is included in the fueled region.

SR 3.3.1.2.3 Perform CHANNEL CHECK. In accordance with the Surveillance Frequency Control Program SURVEILLANCE REQUIREMENTS (continued) 4

SURVEILLANCE FREQUENCY SR 3.3.1.2.4 ------------------------NOTE------------------------------

Not required to be met with less than or equal to four fuel assemblies adjacent to the SRM and no other fuel assemblies in the associated core quadrant.

In accordance Verify count rate is 3.0 cps. with the Surveillance Frequency Control Program SR 3.3.1.2.5 Perform CHANNEL FUNCTIONAL TEST. In accordance with the Surveillance Frequency Control Program SR 3.3.1.2.6 ------------------------NOTE------------------------------

Not required to be performed until 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after IRMs on Range 2 or below.

Perform CHANNEL FUNCTIONAL TEST. In accordance with the Surveillance Frequency Control Program SR 3.3.1.2.7 -----------------------NOTES-----------------------------

1. Neutron detectors are excluded.

2. Not required to be performed until 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after IRMs on Range 2 or below.

In accordance with Perform CHANNEL CALIBRATION. the Surveillance Frequency Control Program 5

Primary Containment 3.6.1.1 3.6 CONTAINMENT SYSTEMS 3.6.1.1 Primary Containment LCO 3.6.1.1 Primary containment shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Primary containment A.1 Restore primary 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> inoperable. containment to OPERABLE status.

B. Required Action and B.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated Completion Time not met. AND B.2 Be in MODE 4. 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> 6

Primary Containment 3.6.1.1 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.1.1.1 Perform required visual examinations and leakage In accordance rate testing except for primary containment with the Primary air lock testing, in accordance with the Containment Primary Containment Leakage Rate Leakage Rate Program. Program.

SR 3.6.1.1.2 Verify suppression chamber pressure does In accordance with not increase at a rate > 0.009 psi per minute the Surveillance tested over a 10 minute period at a Frequency Control differential pressure of > 1.0 psid. Program 7

Recirculation Loops Operating 3.4.1 3.4 REACTOR COOLANT SYSTEM (RCS) 3.4.1 Recirculation Loops Operating LCO 3.4.1 Two recirculation loops with matched pump speeds shall be in operation with core flow as a function of THERMAL POWER outside the Exclusion Region specified in the COLR.

OR One recirculation loop may be in operation with core flow as a function of THERMAL POWER outside the Exclusion Region specified in the COLR and with the following limits applied when the associated LCO is applicable:

a. LCO 3.2.1, AVERAGE PLANAR LINEAR HEAT GENERATION RATE (APLHGR), single loop operation limits specified in the COLR;

b. LCO 3.2.2, MINIMUM CRITICAL POWER RATIO (MCPR),

single loop operation limits specified in the COLR; and

c. LCO 3.3.1.1, Reactor Protection System (RPS)

Instrumentation, Function 2.b (Average Power Range Monitors Flow Biased High Scram), Allowable Value of Table 3.3.1.1-1 is reset for single loop operation.

APPLICABILITY: MODES 1 and 2.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. No recirculation loops A.1 Place the reactor Immediately in operation. mode switch in the Shutdown position.

(continued) 8

Recirculation Loops Operating 3.4.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME B. One or two recirculation B.1 Initiate action to exit Immediately loops in operation in the the Exclusion Region.

Exclusion Region of the power/flow map described in the Core Operating Limits Report.

C. Recirculation pump C.1 Trip one recirculation 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> speed mismatch not pump.

within limits.

D. Requirements of the D.1 Satisfy requirements 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> LCO not met for of the LCO.

reasons other than Conditions A, B or C.

E. Required Action and E.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated Completion Time of Condition C or D not met.

9

Recirculation Loops Operating 3.4.1 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.1.1 -----------------------------NOTE---------------------------

Not required to be performed until 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after both recirculation loops are in operation.

Verify recirculation pump speed mismatch with In accordance with both recirculation pumps at steady state the Surveillance operation is as follows: Frequency Control Program

a. The speed of the faster pump shall be 135%

of the speed of the slower pump when operating at < 69.4 % RTP.

b. The speed of the faster pump shall be 122% of the speed of the slower pump when operating at 69.4 % RTP.

SR 3.4.1.2 Verify core flow as a function of core THERMAL In accordance with POWER is outside the Exclusion Region shown the Surveillance in the COLR. Frequency Control Program 10

Jet Pumps 3.4.2 3.4 REACTOR COOLANT SYSTEM (RCS) 3.4.2 Jet Pumps LCO 3.4.2 All jet pumps shall be OPERABLE.

APPLICABILITY: MODES 1 and 2.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more jet A.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> pumps inoperable.

11

Jet Pumps 3.4.2 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.2.1 -----------------------------NOTES-------------------------------

1. Not required to be performed until 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> after the associated recirculation loop is in operation.

2. Not required to be performed until 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after > 21.7% RTP.

3. Criterion c is only applicable when pump speed is 60% rated speed.

Verify at least one of the following criteria (a, b In accordance or c, as applicable) is satisfied for each with the operating recirculation loop: Surveillance Frequency

a. Recirculation pump flow to speed ratio Control Program differs by 5% from established patterns, and jet pump loop flow to recirculation pump speed ratio differs by 5% from established patterns.

b. Each jet pump diffuser to lower plenum differential pressure differs by 20% from established patterns.

c. The recirculation pump flow to speed ratio, jet pump loop flow to recirculation pump speed ratio, and jet pump diffuser to lower plenum differential pressure ratios are evaluated as being acceptable.

12

CB/SBGT Instrument Air System 3.7.9 3.7 PLANT SYSTEMS 3.7.9 Control Building/Standby Gas Treatment (CB/SBGT) Instrument Air System LCO 3.7.9 Two CB/SBGT Instrument Air subsystems shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One CB/SBGT A.1 Declare required 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> from Instrument Air feature(s), supported discovery of subsystem by the inoperable Condition A inoperable. CB/SBGT Instrument Air concurrent with subsystem, inoperable inoperability of when the redundant redundant required required feature(s) feature(s) are inoperable.

AND A.2 Restore the CB/SBGT 7 days Instrument Air subsystem to OPERABLE status.

B. Required Action and B.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> Associated Completion Time of AND Condition A not met. B.2 Be in MODE 4. 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> OR Both CB/SBGT Instrument Air subsystems inoperable.

13

CB/SBGT Instrument Air System 3.7.9 CONDITION REQUIRED ACTION COMPLETION TIME 14

CB/SBGT Instrument Air System 3.7.9 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.9.1 Operates each CB/SBGT Instrument Air In accordance with the compressor for 20 minutes. Surveillance Frequency Control Program SR 3.7.9.2 Verify each CB/SBGT Instrument Air In accordance with the subsystem actuates on an actual or Surveillance Frequency simulated initiation signal and maintains Control Program air pressure 75 psig in the receiver.

15

AC Sources Operating 3.8.1 3.8 ELECTRICAL POWER SYSTEMS 3.8.1 AC Sources Operating LCO 3.8.1 The following AC electrical power sources shall be OPERABLE:

a. Two qualified circuits between the offsite transmission network and the onsite Class 1E AC Electrical Power Distribution System; and

b. Two diesel generators (DGs).

APPLICABILITY: MODES 1, 2, and 3.

ACTIONS

---

NOTE-----------------------------------------------------

LCO 3.0.4.b is not applicable to DGs.

CONDITION REQUIRED ACTION COMPLETION TIME A. One offsite circuit A.1 Perform SR 3.8.1.1 for 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> inoperable. OPERABLE offsite circuit. AND Once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> thereafter AND A.2 Restore offsite circuit Prior to entering to OPERABLE status. MODE 2 from MODE 3 or 4 (continued) 16

AC Sources Operating 3.8.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME B. One DG inoperable. B.1 Perform SR 3.8.1.1 for 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> OPERABLE offsite circuit(s). AND Once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> thereafter AND B.2 Declare required 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> from feature(s), supported discovery of by the inoperable DG, Condition B inoperable when the concurrent with redundant required inoperability of feature(s) are redundant required inoperable. feature(s)

AND (continued) 17

AC Sources Operating 3.8.1 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME B. (continued) B.3 Determine OPERABLE 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> DG is not inoperable due to common cause failure.

AND

---

NOTE----------------

Not required to be performed when the cause of the inoperable DG is pre-planned, preventive maintenance and testing.

B.4 Perform SR 3.8.1.2 for OPERABLE DG. Once per 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> AND B.5 Restore DG to OPERABLE status. 7 days AND 8 days from discovery of failure to meet LCO expect for Condition A C. Two offsite circuits C.1 Declare required 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> from inoperable. feature(s) inoperable discovery of Condition when the redundant C concurrent with required feature(s) are inoperability of inoperable. redundant required feature(s)

(continued) 18

AC Sources Operating 3.8.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME AND C. (continued) C.2 Restore one offsite 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> circuit to OPERABLE status. AND 8 days from discovery of failure to meet LCO except for Condition A D. Two DGs inoperable. D.1 Restore one DG to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> OPERABLE status.

E. Required Action and E.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> Associated Completion Time of AND Condition A, B, C, or D not met. E.2 Be in MODE 4. 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> F. Three or more AC F.1 Enter LCO 3.0.3. Immediately sources inoperable.

19

AC Sources Operating 3.8.1 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.1.1 Verify correct breaker alignment and indicated power In accordance with availability for each offsite circuit. the Surveillance Frequency Control Program SR 3.8.1.2 ------------------------NOTES-----------------------------

1. All DG starts may be preceded by an engine prelube period and followed by a warmup period prior to loading.

2. A modified DG start involving idling and gradual acceleration to synchronous speed may be used for this SR as recommended by the manufacturer.

When modified start procedures are not used, the time, voltage, and frequency tolerances of SR 3.8.1.7 must be met.

3. When a DG is placed in an inoperable status solely for the performance of testing required by Required Actions B.3 or B.4, entry into associated Conditions and Required Actions may be delayed for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.

Verify each DG starts from standby conditions In accordance with and achieves steady state voltage 3744v the Surveillance and 4576v and frequency 59.5Hz and Frequency Control 60.5Hz. Program (continued) 20

AC Sources Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.8.1.3 -------------------------NOTES----------------------------

1. DG loadings may include gradual loading as recommended by the manufacturer.

2. Momentary transients outside the load range do not invalidate this test.

3. This Surveillance shall be conducted on only one DG at a time.

4. This SR shall be preceded by and immediately follow, without shutdown, a successful performance of SR 3.8.1.2 or SR 3.8.1.7.

Verify each DG is synchronized and loaded In accordance with and operates for 60 minutes at a load the Surveillance 2750kw and 2950kw. Frequency Control Program SR 3.8.1.4 Verify each tank contains 220 gal of fuel oil. In accordance with the Surveillance Frequency Control Program SR 3.8.1.5 Check for the presence of water in the fuel oil in In accordance with each day tank and remove water as necessary. the Surveillance Frequency Control Program (continued) 21

AC Sources Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.8.1.6 Verify the fuel oil transfer system operates to In accordance with transfer fuel oil from storage tank to the day the Surveillance tank. Frequency Control Program SR 3.8.1.7 -------------------------NOTE------------------------------

All DG starts may be preceded by an engine prelube period.

Verify each DG starts from standby condition In accordance with and achieves: the Surveillance Frequency Control

a. in 10 seconds, voltage 3744V and Program frequency 59.5Hz; and

b. steady state, voltage 3744V and 4576V and frequency 59.5Hz and 60.5Hz.

SR 3.8.1.8 ----------------------------NOTE----------------------------

The Surveillance shall not be performed in MODE 1 or 2. However, credit may be taken for unplanned events that satisfy this SR.

Verify automatic slow transfer of AC power In accordance with supply from the Startup Transformer to the the Surveillance Standby Transformer. Frequency Control Program (continued) 22

AC Sources Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.8.1.9 ----------------------------NOTE---------------------------This Surveillance shall not be performed in MODE 1 or 2. However, credit may be taken for unplanned events that satisfy this SR.

Verify each DG rejects a load greater than or In accordance equal to its associated single largest post- with the accident load, and: Surveillance Frequency

a. Following load rejection, the frequency is Control Program 64.5Hz.

b. Within 1.3 seconds following load rejection, the voltage is 3744V and 4576V.

c. Within 3.9 seconds following load rejection, the frequency is 59.5Hz and 60.5Hz.

SR 3.8.1.10 ----------------------------NOTE---------------------------

This Surveillance shall not be performed in MODE 1, 2 or 3. However, credit may be taken for unplanned events that satisfy this SR.

Verify each DGs automatic trips are bypassed In accordance on an actual or simulated Loss of Offsite Power with the (LOOP) signal or on an actual or simulated Surveillance ECCS initiation signal except: Frequency Control Program

a. Engine overspeed; and

b. Generator lockout.

(continued) 23

AC Sources Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.8.1.11 -----------------------------NOTE--------------------------------

This Surveillance shall not be performed in MODE 1, 2 or 3. However, credit may be taken for unplanned events that satisfy this SR.

Verify under manual control each DG: In accordance with the

a. Synchronizes with offsite power source Surveillance while loaded with emergency loads upon a Frequency simulated restoration of offsite power; Control Program

b. Transfers loads to offsite power source; and

c. Returns to ready-to-load operation.

SR 3.8.1.12 -----------------------NOTE-----------------------------------

This Surveillance shall not be performed in MODE 1, 2 or 3. However, credit may be taken for unplanned events that satisfy this SR.

Verify interval between each sequenced load In accordance block is 2 seconds. with the Surveillance Frequency Control Program (continued) 24

AC Sources Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.8.1.13 -------------------------NOTES---------------------------

1. All DG starts may be preceded by an engine prelube period.

2. This Surveillance shall not be performed in MODE 1, 2, or 3. However, credit may be taken for unplanned events that satisfy this SR.

Verify, on an actual or simulated loss of offsite In accordance with power signal in conjunction with an actual or the Surveillance simulated ECCS initiation signal: Frequency Control Program

a. De-energization of essential buses;

b. Load shedding from essential buses; and

c. DG auto-start from standby condition and:

1. energizes permanently connected loads in 10 seconds,

2. energizes auto-connected emergency loads in the proper timed sequence,

3. achieves steady state voltage 3744V and 4576V,

4. achieves steady state frequency 59.5Hz and 60.5Hz, and

5. supplies permanently connected and auto-connected emergency loads for 5 minutes.

25

Graph 7: Drywell Spray Initiation Limit 400 Do not initiate drywell 350 sprays in shaded area Average Drywell Air Temperature (°F) 300 250 200 150 100 50 0

3.0 11.4 0 2 4 6 8 10 12 14 16 18 20 Drywell Pressure (psig) 26

MCPR 3.2.2 3.2 POWER DISTRIBUTION LIMITS 3.2.2 MINIMUM CRITICAL POWER RATIO (MCPR)

LCO 3.2.2 All MCPRs shall be greater than or equal to the MCPR operating limits specified in the COLR.

APPLICABILITY: THERMAL POWER 21.7% RTP.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Any MCPR not within A.1 Restore MCPR(s) to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> limits. within limits.

B. Required Action and B.1 Reduce THERMAL 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> associated Completion POWER to < 21.7%

Time not met. RTP.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.2.2.1 Verify all MCPRs are greater than or equal to Once within the limits specified in the COLR. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after 21.7% RTP AND In accordance with the Surveillance Frequency Control Program (continued) 27

MCPR 3.2.2 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.2.2.2 Determine the MCPR limits. Once within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> after each completion of SR 3.1.4.1 AND Once within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> after each completion of SR 3.1.4.2.

28

Reactor Steam Dome Pressure 3.4.10 3.4 REACTOR COOLANT SYSTEM (RCS) 3.4.10 Reactor Steam Dome Pressure LCO 3.4.10 The reactor steam dome pressure shall be 1025 psig.

APPLICABILITY: MODES 1 and 2.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Reactor steam dome A.1 Restore reactor steam 15 minutes pressure not within limit. dome pressure to within limit.

B. Required Action and B.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated Completion Time not met.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.10.1 Verify reactor steam dome pressure is 1025 In accordance with the psig. Surveillance Frequency Control Program 29

ECCS Operating 3.5.1 3.5 EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLING (RCIC) SYSTEM 3.5.1 ECCS Operating LCO 3.5.1 Each ECCS injection/spray subsystem and the Automatic Depressurization System (ADS) function of four safety/relief valves shall be OPERABLE.

APPLICABILITY: MODE 1, MODES 2 and 3, except High Pressure Coolant Injection (HPCI) is not required to be OPERABLE with reactor steam dome pressure 150 psig and ADS valves are not required to be OPERABLE with reactor steam dome pressure 100 psig.

ACTIONS

---

NOTE----------------------------------------------------

LCO 3.0.4.b is not applicable to HPCI.

CONDITION REQUIRED ACTION COMPLETION TIME A. One Residual Heat A.1 Restore RHR pump to 30 Days Removal (RHR) pump OPERABLE status.

inoperable.

B. One low pressure ECCS B.1 Restore low pressure 7 days subsystem inoperable for ECCS subsystem to reasons other than OPERABLE status.

Condition A.

C. One Core Spray C.1 Restore Core Spray 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> subsystem inoperable. subsystem to OPERABLE status.

AND One or two RHR OR pump(s) inoperable. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> C.2 Restore RHR pump(s) to OPERABLE status.

D. Both Core Spray D.1 Restore one Core 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> subsystems inoperable. Spray subsystem to OPERABLE status.

(continued) 30

ECCS Operating 3.5.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME E. Required Action and E.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated Completion Time of Condition A, B, AND C, or D not met. E.2 Be in MODE 4. 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> F. HPCI System F.1 Verify by Immediately inoperable. administrative means RCIC System is OPERABLE.

AND F.2 Restore HPCI 14 days System to OPERABLE status.

G. HPCI System G.1 Restore HPCI 7 days inoperable. System to OPERABLE status.

AND OR One RHR pump inoperable. G.2 Restore RHR pump to OPERABLE 7 days status.

H. HPCI System H.1 Restore HPCI 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> inoperable. System to AND OPERABLE status.

OR One low pressure ECCS subsystem is H.2 Restore low pressure 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> inoperable for reasons ECCS subsystem to other than Condition A. OPERABLE status.

I. HPCI System I.1 Restore HPCI 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> inoperable. System to OPERABLE status.

AND OR One ADS valve inoperable. I.2 Restore ADS valve to 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OPERABLE status.

(continued) 31

ECCS Operating 3.5.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME J. Required Action and J.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated Completion Time of Condition F, G, AND H, or I not met. J.2 Reduce reactor steam 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> dome pressure to 150 psig.

K. One ADS valve K.1 Restore ADS valve to 30 days inoperable. OPERABLE status.

L. One ADS valve L.1 Restore ADS valve to 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> inoperable. OPERABLE status.

AND OR One low pressure L.2 Restore low pressure 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> ECCS subsystem ECCS subsystem to inoperable for reasons OPERABLE status.

other than Condition A.

M. Two or more ADS M.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> valves inoperable. AND OR M.2 Reduce reactor steam 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> Required Action and dome pressure to associated Completion 100 psig.

Time of Condition K or L not met.

(continued) 32

ECCS Operating 3.5.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME N. Two or more low N.1 Enter LCO 3.0.3. Immediately pressure ECCS subsystems inoperable for reasons other than Condition C or D.

OR HPCI System and two or more ADS valves inoperable.

OR HPCI System and two or more low pressure ECCS subsystems inoperable.

OR One ADS valve and two or more low pressure ECCS subsystems inoperable.

OR One ADS valve and HPCI System and one low pressure ECCS subsystem inoperable.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.5.1.1 Verify, for each ECCS injection/spray subsystem, In accordance with the locations susceptible to gas accumulation Surveillance are sufficiently filled with water. Frequency Control Program (continued) 33

ECCS Operating 3.5.1 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.5.1.2 -------------------------------NOTE-------------------------------------

The low pressure coolant injection (LPCI) system may be considered OPERABLE during alignment and operation for decay heat removal in MODE 3, if capable of being manually realigned and not otherwise inoperable.

---

NOTE-------------------------------------

Not required to be met for system vent flow paths opened under administrative control.

Verify each ECCS injection/spray subsystem power In accordance operated and automatic valve in the flow path, that is not with the locked, sealed, or otherwise secured in position, is in the Surveillance correct position. Frequency Control Program SR 3.5.1.3 Verify a 100 day supply of nitrogen exists for each ADS In accordance accumulator. with the Surveillance Frequency Control Program SR 3.5.1.4 Verify the following ECCS pumps develop the specified flow In accordance rate against a system head corresponding to the with the specified reactor pressure. Inservice Testing Program SYSTEM HEAD NO. CORRESPONDING OF TO A REACTOR SYSTEM FLOW RATE PUMPS PRESSURE OF Core Spray 2718 gpm 1 113 psig LPCI 4320 gpm 1 20 psig (continued) 34

ECCS Operating 3.5.1 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.5.1.5 ----------------------------NOTE----------------------------

Not required to be performed until 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after reactor steam pressure and flow are adequate to perform the test.

Verify, with reactor pressure 1025 and 940 In accordance psig, the HPCI pump can develop a flow rate with the 2700 gpm against a system head Inservice Testing corresponding to reactor pressure. Program SR 3.5.1.6 -----------------------------NOTE---------------------------

Not required to be performed until 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after reactor steam pressure and flow are adequate to perform the test.

Verify, with reactor pressure 160 psig, the In accordance HPCI pump can develop a flow rate 2700 with the gpm against a system head corresponding to Surveillance reactor pressure. Frequency Control Program SR 3.5.1.7 ----------------------------NOTES--------------------------

1. Vessel injection /spray may be excluded.

2. For the LPCI System, the Surveillance may be met by any series of sequential and/or overlapping steps, such that the LPCI Loop Select function is tested.

Verify each ECCS injection/spray subsystem In accordance actuates on an actual or simulated automatic with the initiation signal. Surveillance Frequency Control Program (continued) 35

ECCS Operating 3.5.1 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.5.1.8 -------------------------NOTE-------------------------------

Valve actuation may be excluded.

Verify the ADS actuates on an actual or In accordance simulated automatic initiation signal. with the Surveillance Frequency Control Program SR 3.5.1.9 Verify each ADS valve actuator strokes when In accordance manually actuated. with the Inservice Testing Program 36

Rod Pattern Control 3.1.6 3.1 REACTIVITY CONTROL SYSTEMS 3.1.6 Rod Pattern Control LCO 3.1.6 OPERABLE control rods shall comply with the requirements of the Banked Position Withdrawal Sequence (BPWS).

APPLICABILITY: MODES 1 and 2 with THERMAL POWER 10% RTP.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more A.1 -----------NOTE-------------

OPERABLE control Rod Worth Minimizer rods not in compliance (RWM) may be with BPWS. bypassed as allowed by LCO 3.3.2.1, Control Rod Block Instrumentation.

Move associated 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> control rod(s) to correct position.

OR A.2 Declare associated 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> control rod(s) inoperable.

(continued) 37

Rod Pattern Control 3.1.6 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME B. Nine or more OPERABLE B.1 -------------NOTE-------------

control rods not in Rod Worth Minimizer compliance with BPWS. (RWM) may be bypassed as allowed by LCO 3.3.2.1.

Suspend withdrawal of Immediately control rods.

AND B.2 Place the reactor 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> mode switch in the Shutdown position.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.6.1 Verify all OPERABLE control rods comply In accordance with the with BPWS. Surveillance Frequency Control Program 38

Control Rod OPERABILITY 3.1.3 3.1 REACTIVITY CONTROL SYSTEMS 3.1.3 Control Rod OPERABILITY LCO 3.1.3 Each control rod shall be OPERABLE.

APPLICABILITY: MODES 1 and 2.

ACTIONS

---

NOTE-----------------------------------------------------

Separate Condition entry is allowed for each control rod.

CONDITION REQUIRED ACTION COMPLETION TIME A. One withdrawn control ----------------NOTE----------------

rod stuck. Rod Worth Minimizer (RWM) may be bypassed as allowed by LOC 3.3.2.1, Control Rod Block Instrumentation, if required, to allow continued operation.

A.1 Verify stuck control Immediately rod separation criteria are met.

AND 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> A.2 Disarm the associated Control Rod Drive (CRD).

AND (continued) 39

Control Rod OPERABILITY 3.1.3 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. (continued) A.3 Perform SR 3.1.3.2 for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> each withdrawn from discovery of OPERABLE control Condition A rod. concurrent with THERMAL POWER greater than the Low Power Setpoint (LPSP) of the AND RWM.

A.4 Perform SR 3.1.1.1 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> B. Two or more B.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> withdrawn control rods stuck.

C. One or more control C.1 -----------NOTE------------

rods inoperable for RWM may be reasons other than bypassed as allowed Condition A or B. by LCO 3.3.2.1, if required, to allow insertion of inoperable control rod and continued operation.

Fully insert inoperable 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> control rod.

AND (continued) 40

Control Rod OPERABILITY 3.1.3 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME C. (continued) C.2 Disarm the associated 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> CRD.

D. ------------NOTE------------ D.1 Restore compliance with 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Not applicable when BPWS.

THERMAL POWER

> 10% RTP.

---

OR Two or more inoperable D.2 Restore control rod 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> control rods not in to OPERABLE status.

compliance with Banked Position Withdrawal Sequence (BPWS) and not separated by two or more OPERABLE control rods.

E. Required Action and E.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated Completion Time of Condition A, C, or D, not met.

OR Nine or more control rods inoperable.

41

Control Rod OPERABILITY 3.1.3 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY 3.1.3.1 Determine the position of each control rod In accordance with the Surveillance Frequency Control Program SR 3.1.3.2 ---------------------------NOTE----------------------------

Not required to be performed until 31 days after the control rod is withdrawn and THERMAL POWER is greater than 20% RTP.

Insert each withdrawn control rod at least one In accordance notch. with the Surveillance Frequency Control Program SR 3.1.3.3 Verify each control rod scram time from fully In accordance withdrawn to notch position 04 is with SR 3.1.4.1 7 seconds. and SR 3.1.4.2 SR 3.1.3.4 Verify each withdrawn control rod does not Each time the go to the withdrawn overtravel position. control rod is withdrawn to full out position AND Prior to declaring control rod OPERABLE after work on control rod or CRD System that could affect coupling (continued) 42

Table 6 Secondary Containment Limits Max Normal Max Safe Parameter and Areas Operating Operating Value/Trend Limit Limit Area/Location Indicator °F °F A RHR-SE Corner Room Area RHR SE CORNER ROOM AMBIENT TR/TDR 2000A Ch 1 130 140 RHR SE CORNER ROOM DIFFERENTIAL TR/TDR 2000A Ch 2 50 N/A B RHR-NW Corner Room Area RHR NW CORNER ROOM AMBIENT TR/TDR 2000B Ch 1 130 140 RHR NW CORNER ROOM DIFFERENTIAL TR/TDR 2000B Ch 2 50 N/A HPCI Room Area HPCI EMER COOLER AMBIENT TR/TDR 2225A[B] Ch 1 175 310 HPCI ROOM AMBIENT TR/TDR 2225A Ch 2 175 310 HPCI ROOM DIFFERENTIAL TR/TDR 2225A[B] Ch 4[3] 50 N/A RCIC Room Area Temperature RCIC EMER COOLER AMBIENT TR/TDR 2425A[B] Ch 1 175 300 RCIC ROOM AMBIENT TR/TDR 2425A Ch 2 175 300 RCIC ROOM DIFFERENTIAL TR/TDR 2425A[B] Ch 4 50 N/A Torus Area TORUS CATWALK NORTH AMBIENT TR/TDR 2425A Ch 3 150 165 TORUS CATWALK WEST AMBIENT TR/TDR 2425B Ch 2 150 165 TORUS CATWALK SOUTH AMBIENT TR/TDR 2225A Ch 3 150 165 TORUS CATWALK EAST AMBIENT TR/TDR 2225B Ch 2 150 165 TORUS CATWALK EAST DIFF TR/TDR 2425A Ch 5 50 N/A TORUS CATWALK WEST DIFF TR/TDR 2425B Ch 5 50 N/A TORUS CATWALK SOUTHWEST DIFF TR/TDR 2225A Ch 5 50 N/A TORUS CATWALK SOUTH DIFF TR/TDR 2225B Ch 4 50 N/A RB 786 South Area RWCU PUMP ROOM AMBIENT TR/TDR 2700A[B] Ch 1 130 212 RWCU HX ROOM AMBIENT TR/TDR 2700A[B] Ch 2,3 130 212 RB 757 South Area RWCU ABOVE TIP ROOM AMBIENT TR/TDR 2700A[B] Ch 4,5 111.5 150 Steam Tunnel Area STEAM TUNNEL AMBIENT TR/TDR 2425B Ch 3 160 300 STEAM TUNNEL DIFFERENTIAL TR/TDR 2225B Ch 5 70 N/A Area/Location Indicator mR/hr mR/hr RB 757 South Area RB RAILROAD ACCESS AREA RI 9167 10 100 SOUTH CRD MODULE AREA RI 9169 10 100 TIP ROOM RI 9176 60 600 RB 757 North Area NORTH CRD MODULE RI 9168 10 100 CRD REPAIR ROOM RI 9170 15 150 RB 786 North Area Radiation RWCU SPENT RESIN ROOM RI 9173 100 103 RWCU PHASE SEP TANK RI 9177 20 200 RB 786 South Area RWCU PUMP ROOM RI 9156 103 104 RWCU HX ROOM RI 9157 103 104 RB 812 North Area MAIN PLANT EXHAUST FAN ROOM RI 9171 60 600 JUNGLE ROOM RI 9155 60 600 Refuel Floor Area NEW FUEL VAULT AREA RI 9153 10 100 NORTH REFUEL FLOOR RI 9163 10 100 SOUTH REFUEL FLOOR RI 9164 10 100 SPENT FUEL POOL AREA RI 9178 100 103 Area/Location Indicator inches inches Water Level HPCI ROOM LI 3768 2 6 RCIC ROOM LI 3769 3 6 A RHR & CS SECR LI 3770 2 10 B RHR & CS NWCR LI 3771 2 10 TORUS AREA LI 3772 2 12 43

Suppression Pool Water Level 3.6.2.2 3.6 CONTAINMENT SYSTEMS 3.6.2.2 Suppression Pool Water Level LCO 3.6.2.2 Suppression pool water level shall be 10.11 ft and 10.43 ft.

APPLICABILITY: MODES 1, 2, and 3.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Suppression pool water A.1 Restore suppression 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> level not within limits. pool water level to within limits.

B. Required Action and B.1 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated Completion Time not met. AND B.2 Be in MODE 4. 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.2.2.1 Verify suppression pool water level is within In accordance with the limits. Surveillance Frequency Control Program 44

Graph 4: Heat Capacity Limit 240 230 220 Action is required 210 Torus Water Temperature (°F) 200 190 180 170 160 150 Bounding curve for torus levels between 8 ft and 13 ft 140 130 120 50 0 100 200 300 400 500 600 700 800 900 1000 1100 RPV Pressure (psig) 45

Table of RPV Pressure Versus Saturation Temperature psig Temp (°F) psig Temp (°F) psig Temp (°F) 1100 558 680 502 280 415 1080 556 660 499 260 409 1060 553 640 495 240 402 1040 551 620 492 220 395 1020 549 600 488 200 387 1000 546 580 485 180 380 980 542 560 481 160 371 960 541 540 477 140 361 940 539 520 474 120 350 920 536 500 470 100 338 900 534 480 466 80 324 880 531 460 461 60 307 860 528 440 457 40 287 840 526 420 452 20 259 820 523 400 448 0 212 800 520 380 443 780 517 360 438 760 514 340 431 740 511 320 427 720 508 300 421 700 505 46

260 240

• 15 psig 220

• 10 psig 200

• 5 psig 180 160

• 0 psig 140 Do NOT operate CS pumps above these curves unless directed by EOPs

• torus pressue 120 100 0 1000 2000 3000 4000 5000 CS PUM P FLOWRATE (gpm)

Figure 1: Core Spray NPSH Limit 47

12 10 8

6 4 Do NOT operate CS pumps in this area unless directed by EOPs 2

0 0 500 1000 1500 2000 2500 3000 3500 4000 4500 CS LOOP FLOW (gpm)

Figure 2: Core Spray Vortex Limit 48

APPENDIX 1 HEATUP RATE CURVE - RPV FLOODED NOTE RFO-25 Vessel Water Heatup Rate (Floodup Condition) 9.0 8.0 7.0 Heatup Rate (Deg F/hr) 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0 10 20 30 40 50 60 70 80 90 100 Time Since Shutdown (Days)

CAUTION 49

APPENDIX 2 HEATUP RATE CURVE - RPV LEVEL AT 200" RFO-25 Vessel Water Heatup Rate (Water Level = 200 )

50.0 45.0 40.0 Heatup Rate (Deg F/hr) 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 0 10 20 30 40 50 60 70 80 90 100 Time Since Shutdown (Days)

CAUTION 50