ML17263A593

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Rev 9 to EOP ES-1.1, SI Termination
ML17263A593
Person / Time
Site: Ginna 
Issue date: 03/30/1994
From:
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17263A585 List:
References
ES-1.1, NUDOCS 9404190133
Download: ML17263A593 (56)
v • d • e


Text

EOP:

ES-1.1 TlTLE:

SI TERMINATION REV:

9 PAGE 1 of 24 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER TECHNICAL REVIEW PORC REVIEW DATE 30 PLANT SUPERINTENDENT EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY:

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EOP:

ES-1. 1 TITLE:

SI TERMINATION REV:

9 PAGE 2 of 24 A.

PURPOSE This procedure provides the necessary instructions to terminate safety injection and stabilize plant conditions.

B.

ENTRY CONDITIONS/SYMPTOMS 1.

ENTRY CONDITIONS This procedure is entered from:

a.

E-O, REACTOR TRIP OR SAFETY INJECTION, and E

1 /

LOSS OF REACTOR OR SECONDARY COOLANTg when specified termination criteria are satisfied.

b ~

FR H ~ 1 g

RESPONSE

TO LOSS OF SECONDARY HEAT S INKg after 'secondary heat sink has been reestablished and SI has been terminated.

EOP:

ES-1.1 T1 7l.E:

SI TERMINATION REV:

9 PAGE 3 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED CAUTION IF OFFSITE POWER IS LOST AFTER SI RESET, THEN SELECTED SW PUMPS AND ONE CCW PUMP WILL AUTO START ON EMERGENCY D/G.

MANUAL ACTION WILL BE REQUIRED TO RESTART SAFEGUARDS EQUIPMENT.

NOTE:

o FOLDOUT page should be open AND monitored periodically.

o Critical Safety Function Status Trees should be monitored (Refer to Appendix I for Red Path Summary.

o Adverse CNMT values should be used whenever CNMT pressure is greater than 4 psig or CNMT radiation is greater than 10+

R/hr.

1 Reset SI 2 Reset CI:

a.

Depress CI reset pushbutton

b. Verify annunciator A-26, CNMT ISOLATION -

EXTINGUISHED

b. Perform the following:
1) Reset SI.
2) Depress CI reset pushbutton.

3 Maintain PRZR Pressure Between 1800 PSIG And 2235 PSIG o

Reset PRZR heaters o

Use normal PRZR spray

EOP:

ES-1.1 SI TERMINATION REV:

9 PAGE 4 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 4 Verify Adequate SW Flow:

a.

Check at least two SW pumps RUNNING

a. Manually start

'SW pumps as power supply permits (258 kw each).

IF less than two SW pumps

running, THEN perform the following:
1) Ensure SW isolation.
2) Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-1).

3)

Go to Step 7.

b. Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-1)

EOP:

ES-1.1 TITLE:

SI TERMINATION REV 9

PAGE 5 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 5 Establish IA to CNMT:

a. Verify non-safeguards busses energized from offsite power o

Bus 13 normal feed CLOSED

-OR-o Bus 15 normal feed CLOSED

b. Verify SW isolation valves to turbine building -

OPEN

~ MOV-4613 and MOV-4670

~ MOV-4614 and MOV-4664

c. Verify at least two air compressors RUNNING d.

Check IA supply:

o Pressure GREATER THAN 60 PSIG o

Pressure STABLE OR INCREASING

e. Reset both trains of XY relays for IA to CNMT AOV-5392
f. Verify IA to CNMT AOV-5392 -

OPEN a.

Perform the following:

1) Close non-safeguards bus tie breakers:

~ Bus 13 to Bus 14 tie

~ Bus 15 to Bus 16 tie

2) Verify adequate emergency D/G capacity to run air compressors (75 kw each).

IF NOT, THEN evaluate if CNMT RECIRC fans should be stopped (Refer to Attachment CNMT RECIRC FANS).

3)

WHEN bus 15 restored, THEN reset control room lighting.

b. Manually align valves.
c. Manually start air compressors as power supply permits (75 kw each).

IF air compressors can NOT be started, THEN dispatch AO to locally reset compressors as necessary.

d. Perform the following:
1) Continue attempts to restore IA (Refer to AP-IA.1, LOSS OF INSTRUMENT AIR).
2) Continue with Step 6.

WHEN IA restored, THEN do Steps 5e and f.

EOP:

ES-1. 1 T!TLE:

SI TERMINATION REV 9

PAGE 6 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 6

Check If Ch'arging Flow Has Been Established:

a.

Charging pumps

- ANY RUNNING a.

Perform the following:

1) IF CCW flow is lost to any RCP thermal barrier OR any RCP ¹1 seal outlet temperature offscale high, THEN dispatch AO with key to RWST gate to close seal injection needle valve(s) to affected RCP:

~ RCP A, V-300A

~ RCP B, V-300B

2) Ensure HCV-142 open, demand at Oa.
b. Charging pump suction aligned to RWST:

o LCV-112B -

OPEN o

LCV-112C -

CLOSED

b. Manually align valves as necessary.

IF LCV-112B can NOT be opened, THEN perform the following:

1) Verify charging pump A NOT running and place in PULL STOP.
2) Dispatch AO to locally open manual charging pump suction from RWST (V-358 located in charging pump room).
c. Start charging pumps as necessary and adjust charging flow to restore PRZR level 3)

WHEN V-358 open, THEN direct AO to close V-268 to isolate charging pumps B and C from VCT (V-268 located in charging pump room).

EOP:

ES-1.1 SI TERMINATION REV:

9 PAGE 7 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 7 Stop SI And RHR Pumps And Place In AUTO

  • 8 Monitor SI Reinitiation Criteria:

a.

RCS subcooling based on core exit T/Cs GREATER THAN O' USING FIGURE MIN SUBCOOLING

b. PRZR,level GREATER THAN 5%

[30% adverse CNMT)

a. Manually operate SI pumps as necessary and go to E-l, LOSS OF REACTOR OR SECONDARY COOLANT, Step l.
b. Control charging flow to maintain PRZR level.

IF PRZR level can NOT be maintained, THEN manually operate SI pumps as necessary and go to E-l, LOSS OF REACTOR OR SECONDARY COOLANT, Step l.

lr h

EOP:

ES-1.1 SI TERMINATION REV 9

PAGE 8 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED

  • 9 Monitor If CNMT Spray Should Be Stopped:

a.

CNMT spray pumps RUNNING b.

Check CNMT pressure LESS THAN 4 PSIG

c. Reset CNMT spray d.

Check NaOH tank outlet valves CLOSED

~ AOV-836A

~ AOV-836B a.

Go to Step 10.

b. Continue with Step 10.

WHEN CNMT pressure less than 4 psig, THEN do Steps 9c through f.

d. Place NaOH tank outlet valve controllers to MANUAL and close valves.

e.

Stop CNMT spray pumps and place in AUTO

f. Close CNMT spray pump discharge valves

~ MOV-860A

~ MOV-860B

~ MOV-860C

~ MOV-860D

I

EOP:

ES-F 1 TITLE:

SI TERMINATION REV' PAGE 9 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 10 Verify MRPI Indicates ALL CONTROL AND SHUTDOWN RODS ON BOTTOM IF one or more control rods NOT fully inserted, THEN perform the following:

a.

Place RMW mode selector switch to BORATE.

b. Adjust boric acid flow control
valve, FCV-llOA, for desired flowrate.
c. Set boric acid integrator to desired amount (650 gallons for each control rod not fully, inserted).
d. Place RMW control to start and verify flow.

IF flow can NOT be established, THEN refer to ER-CVCS.1, REACTOR MAKEUP CONTROL MALFUNCTION.

11 Establish Condenser Steam Dump Pressure Control:

a. Verify condenser available:

o Any MSIV -

OPEN o

Annunciator G-15, STEAM DUMP ARMED - LIT a.

Place S/G ARV controllers in AUTO at desired pressure and go to Step 12.

b. Adjust condenser steam dump controller HC-484 to desired pressure and verify in AUTO.
c. Place steam dump mode selector switch to MANUAL.

3 E.

I I

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EOP:

ES-1.1 TlTLE:

SZ TERMINATION REV:

9 PAGE 10 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 12 Verify Adequate SW Flow To CCW Hx:

a. Verify at least two SW pumps RUNNING
b. Verify AUX BLDG SW isolation valves OPEN

~ MOV-4615 and MOV-4734

~ MOV-4616 and MOV-4735

c. Verify CNMT RECIRC fan annunciator C-2, HIGH TEMPERATURE ALARM -

EXTINGUISHED i

a. Manually start pumps as power supply permits (258 kw each).

IF less than two SW pumps can be

operated, THEN go to Step 18.
b. Establish SW to AUX BLDG (Refer to Attachment AUX BLDG SW).

Continue with Step 18.

WHEN SW restored to AUX BLDG, THEN do Steps 12c through 17.

c. Manually start an additional SW pump as power supply permits (258 kw each).

EOP:

ES-1.1 TITLE:

SI TERMINATION REV:

9 PAGE 11 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 13 Check If Normal CVCS Operation Can Be Established

a. Verify IA restored:

o IA to CNMT (AOV-5392)

OPEN o

IA pressure GREATER THAN 60 PSIG a.

Continue with Step 18.

WHEN IA can be restored, THEN do Steps 13 through 17.

b. Verify instrument bus D-ENERGIZED c.

CCW pumps

- ANY RUNNING

b. Energize MCC B.

IF MCC B NOT available, THEN perform the following:

1) Verify MCC A energized.
2) Place instrument bus D on maintenance supply.
c. Perform the following:
1) IF any RCP Pl seal outlet temperature offscale high, THEN isolate CCW to thermal barrier of affected RCP(s).
d. Charging pump

- ANY RUNNING

~ RCP A, MOV-749A and MOV-759A

~ RCP B, MOV-749B and MOV-759B

2) Manually start one CCW pump.
d. Continue with Step 18.

WHEN any charging pump running, THEN do Steps 14 through 17.

I

EOP:

ES-1.1 TITLE:

SI TERMINATION REV 9

PAGE 12 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 14 Verify PRZR Level GREATER THAN 134

[404 adverse CNMT]

Continue with Step 16.

WHEN PRZR level increases to greater than 13%

[40% adverse CNMT], THEN do Step 15.

15 Establish Normal Letdown:

a. Establish charging line flow to REGEN Hx - GREATER THAN 20 GPM
b. Place the following switches to CLOSE:

~ Letdown orifice valves (AOV-200A, AOV-200B, and AOV-202)

~ AOV-371, letdown isolation valve

~ AOV-427, loop B cold leg to REGEN Hx c.

Place letdown controllers in MANUAL at 35% open

~ TCV-130

~ PCV-135

d. Reset both trains of XY relays for AOV-371 and AOV-427 e.

Open AOV-371 and AOV-427 IF RCP seal return has been established, THEN establish excess letdown as follows:

o Place excess letdown divert

valve, AOV-312, to NORMAL.

o Ensure CCW from excess letdown

open, (AOV-745)..

o Open excess letdown isolation valve AOV-310.

o Slowly open HCV-123 to maintain excess letdown temperature less than 195'F and pressure less than 100 psig.

o Adjust charging pump speed as necessary.

IF RCP seal return NOT established, THEN consult Plant Staff to determine if excess letdown should be placed in service.

f. Open letdown orifice valves as necessary
g. Place TCV-130 in AUTO at 105'F
h. Place PCV-135 in AUTO at 250 psig
i. Adjust charging pump speed and HCV-142 as necessary to control PRZR level

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EOP:

ES-1.1 SI TERMINATION REV 9

PAGE 13 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 16 Check VCT Makeup System:

a. Adjust boric acid flow control valve in AUTO to 9.5 gpm
b. Verify the following:

1)

RMW mode selector switch in, AUTO

b. Adjust controls as necessary.

2)

RMW control armed RED LIGHT LIT c.

Check VCT level:

o Level -

GREATER THAN 20%

-OR-o Level STABLE OR INCREASING

c. Manually increase VCT makeup flow as follows:
1) Ensure BA transfer pumps and RMW pumps running.

IF NOT, THEN dispatch AO to locally reset MCC C and MCC D UV lockouts as necessary.

2) Place RMW flow control valve HCV-111 in MANUAL and increase RMW flow.
3) Increase boric acid flow as necessary.

~ '

EOP:

ES-1. 1 SI TERMINATION REV:

9 PAGE 14 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 17 Check Charging Pump Suction Aligned To VCT:

a.

VCT level

- GREATER THAN 20%

a. IF VCT level can NOT be maintained greater than 5%,

THEN perform the following:

1) Ensure charging pump suction aligned to RWST o

LCV-112B open o

LCV-'112C closed

2) Continue with Step 18.

WHEN VCT level greater than 40%,

THEN do Step 17b.

b. Verify charging pumps aligned to VCT o

LCV-112C -

OPEN o

LCV-112B -

CLOSED

b. Manually align valves as necessary.

18 Check RCS Hot Leg Temperatures STABLE Control steam dump and total feed

'low as necessary to stabilize RCS temperature.

I*

EOP:

ES-1.1 T1TLF:

SI TERMINATION REV 9

PAGE 15 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED NOTE:

o WHEN using a

PRZR

PORV, THEN select one with an operable block valve.

o If auxiliary spray is in use, spray flow may be increased by closing normal charging valve AOV-294 and normal PRZR spray valves.

19 Control PRZR Heaters And Operate Normal Spray To Stabilize RCS Pressure IF normal spray NOT available and letdown is in service, THEN perform the following:

a. Verify spray line fluid to PRZR hT less than 320'F.

IF NOT, THEN control pressure using one PRZR PORV and go to Step 20.

b. Control pressure using auxiliary spray.

IF auxiliary spray NOT available, THEN use one PRZR PORV.

      • x **********4 CAUTION IF CST LEVEL DECREASES TO LESS THAN 5 FEET, THEN ALTERNATE WATER SOURCES FOR AFW PUMPS, WILL BE NECESSARY (REFER TO ER-AFW.l, ALTERNATE WATER SUPPLY TO AFW PUMPS).

NOTE:

TDAFW pump flow control valves fail open on loss of IA.

  • 20 Monitor Intact S/G Levels:

a.

Narrow range level GREATER THAN 5%

[25% adverse CNMT]

b. Control feed flow to maintain narrow range level between 17%

[25% adverse CNMT] and 50%

a. Maintain total feed flow greater than 200 gpm until narrow range level greater than 5%

[25%

adverse CNMT] in at least one S/G.

b. IF narrow range level in any S/G continues to increase, THEN stop feed flow to that S/G.

'b 5

EOP:

ES-1.1 SI TERMINATION REV:

9 PAGE 16 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED NOTE:

SW should be aligned to CCW Hxs before restoring RCP seal cooling.

21 Check RCP Cooling:

a.

Check CCW to RCPs:

Establish normal cooling to RCPs (Refer to Attachment SEAL COOLING).

o Annunciator A-7, RCP 1A CCW RETURN HIGH TEMP OR LOW FLOW EXTINGUISHED o

Annunciator A-15, RCP 1B CCW RETURN HIGH TEMP OR LOW FLOW EXTINGUISHED b.

Check RCP seal injection:

o Labyrinth seal D/Ps GREATER THAN 15 INCHES WATER

-OR-o RCP seal injection flow to each RCP GREATER THAN 6 GPM

~

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~

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EOP:

ES-F 1 TITLE:

SI TERMINATION REV 9

PAGE 17 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 22 Check If Seal Return Flow Should Be Established:

a. Verify RCP ¹1 seal outlet temperature

- LESS THAN 235'F

b. Verify RCP seal outlet valves OPEN

~ AOV-270A

~ AOV-270B a.

Go to Step 23.

b. Manually open valves as necessary.
c. Reset both trains of XY relays for RCP seal return isolation valve MOV-313 d.

Open RCP seal return isolation valve MOV-313

d. Perform the following:
1) Place MOV-313 switch to OPEN.
e. Verify RCP ¹1 seal leakoff flow LESS THAN 5.5 GPM
f. Verify RCP ¹1 seal leakoff flow GREATER THAN 0.25 GPM
2) Dispatch AO with key to RWST gate to locally open MOV-313.
e. IF any RCP seal leakoff flow greater than 5.5 gpm THEN:

o Close the affected RCP seal discharge valve.

~ RCP A, AOV-270A

~ RCP B, AOV-270B o

Trip the affected RCP.

IF both RCP seal discharge valves are shut, THEN go to Step 23.

f. Refer to AP-RCP.l, RCP SEAL MALFUNCTION.

>>I

~ '

EOP:

ES-1 '

TITLE:

SI TERMINATION REV 9

PAGE 18 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 23 Verify All AC Busses ENERGIZED BY OFFSXTE POWER

/

o Normal feed breakers to all 480 volt busses CLOSED Perform the following:

a. IF any AC emergency bus normal feed breaker
open, THEN ensure associated D/G breaker closed.

o 480 volt bus voltage GREATER THAN 420 VOLTS o

Emergency D/G output breakers OPEN

b. Perform the following as necessary:
1) Close non-safeguards bus tie breakers:

~ Bus 13 to Bus 14 tie

~ Bus 15 to Bus 16 tie

2) Reset Bus 13 and Bus 15 lighting breakers.
3) Dispatch AO to locally reset and start two IA compressors.
4) Place the following, pumps in PULL STOP:

~

EH pumps

~ Turning gear oil pump

~ HP seal oil backup pump

5) Restore power to MCCs.

~ A from Bus 13

~ B from Bus 15

~

E from Bus 15

~ F from Bus 15

6) Start CNMT RECIRC fans as necessary.
7) Refer to Attachment SI/UV for other equipment lost with loss of offsite power.
c. Try to restore offsite power to all AC busses (Refer to ER-ELEC.1, RESTORATION OF OFFSITE POWER).

t7

EOP:

ES-1.1 TITLE:

SI TERMINATION REV:

9 PAGE 19 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOTi OBTAINED NOTE:

Adverse CNMT conditions or loss of forced air cooling may result in failure of NIS detectors.

24 Check If Source Range Channels Should Be Energized:

a.

Source range channels DEENERGIZED b.

Check intermediate range flux-EITHER CHANNEL LESS THAN 10 10 AMPS a.

Go to Step 24e.

b. Perform the following:
1) IF neither intermediate range channel is decreasing, THEN initiate boration.
2) Continue with Step 25.

WHEN flux is LESS THAN 10 amps on any operable

channel, THEN do Steps
24c, d and e.

c.

Check the following:

o Both intermediate range channels LESS THAN 10-10 AMPS

c. Continue with step 25.

WHEN either condition met, THEN do Steps 24d and e.

-OR-o Greater than 20 minutes since reactor trip

d. Verify source range detectors ENERGIZED
d. Manually energize source range detectors by depressing P-6 permissive defeat pushbuttons (2

of 2).

IF source ranges can NOT be

restored, THEN refer to ER-NIS.1, SR MALFUNCTION, and go to Step 25.
e. Transfer Rk-45 recorder to one source range and one intermediate range channel

N P

EOP:

ES-1.1 SI TERMINATION REV 9

PAGE 20 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 25 Check If Emergency D/Gs Should Be Stopped:

a. Verify AC emergency busses energized by offsite power:

o Emergency D/G output breakers OPEN

a. Try to restore offsite power (Refer to ER-ELEC.1, RESTORATION OF OFFSITE POWER).

o AC emergency bus voltage GREATER THAN 420 VOLTS o

AC emergency bus normal feed breakers CLOSED b.

Stop any unloaded emergency D/G and place in standby (Refer to Attachment D/G STOP)

k'

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1

EOP:

ES-1. 1 TITLE:

SI TERMINATION REV:

9 PAGE 21 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED CAUTION IF RCP SEAL COOLING HAD PREVIOUSLY BEEN LOST, THEN THE AFFECTED RCP SHOULD NOT BE STARTED PRIOR TO A STATUS EVALUATIONS 26 Check. RCP Status AT LEAST ONE RUNNING Perform the following:

a. Establish conditions for starting an RCP:

o Verify bus 11A or 11B energized.

o Refer to Attachment RCP START.

b. Start one RCP.

IF an RCP can NOT be started, THEN verify natural circulation (Refer to Attachment NC).

IF natural circulation NOT

verified, THEN increase dumping steam from intact S/Gs.

I

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ES-1.1 T!TLE:

SI TERMINATION REV 9

PAGE 22 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 27 Establish Normal Shutdown Alignment:

a.

Check condenser

- AVAILABLE

a. Dispatch AO to perform Attachment SD-2.
b. Perform the following o

Open generator disconnects

~ 1G13A71

~

~ 9X13A73 o

Place voltage regulator to OFF o

Open turbine drain valves o

Rotate reheater steam supply controller cam to close valves o

Place reheater dump valve switches to HAND o

Stop all but one condensate pump

c. Verify adequate Rx head cooling:
1) Check IA to CNMT - AVAILABLE 1)

Go to Step 28.

2) Verify at least one control rod shroud fan - RUNNING
2) Manually start one fan as power supply permits (45 kw)
3) Verify one Rx compartment cooling fan - RUNNING
3) Perform the following:

o Dispatch AO to reset UV relays at MCC C and MCC D.

o Manually start one fan as power supply permits (23 kw)

d. Verify Attachment SD-1 COMPLETE

4 I

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ES-1.1 TITLE:

SI TERMINATION REV 9

PAGE 23 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 28 Maintain Plant Conditions Stable:

a.

RCS pressure BETWEEN 1800 PSIG AND 2235 PSIG b.

PRZR level -

BETWEEN 20%

AND 30%

c. Intact S/G narrow range levels BETWEEN 17%

AND 39%

d.

RCS cold leg temperature STABLE

a. Control PRZR heaters and spray as necessary.
b. Control charging as necessary.
c. Control S/G feed flow as necessary.
d. Control dumping steam as necessary.

IF cooldown continues, THEN close both MSIVs.

  • 29 Monitor SI Reinitiation Criteria:

a.

RCS subcooling based on core exit T/Cs

- GREATER THAN O' USING FIGURE MIN SUBCOOLING b.

PRZR level -

GREATER THAN 5%

[30% adverse CNMT]

a. Manually operate SI pumps as necessary and go to E-l, LOSS OF REACTOR OR SECONDARY COOLANT, Step l.
b. Control charging flow to maintain PRZR level.

IF PRZR level can NOT be maintained, THEN manually operate SI pumps as necessary and go to E-l, LOSS OF REACTOR OR SECONDARY COOLANT, Step l.

F'

- ~,

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2

'1 l

EOP:

ES-1. 1 SI TERMINATION REV:

9 PAGE 24 of 24 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 30 Go To Procedure 0-2.1, NORMAL SHUTDOWN TO HOT SHUTDOWN

-END-

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EOP:

ES-1.1 SI TERMINATION REV:

9 PAGE 1 of 1 ES-1.1 APPENDIX LIST TITLE 1)

RED PATH

SUMMARY

2)

FIGURE MIN SUBCOOLING 3)

ATTACHMENT CNMT RECIRC 4)

ATTACHMENT D/G STOP 5)

ATTACHMENT NC 6)

ATTACHMENT SEAL COOLING 7)

ATTACHMENT RCP START 8)

ATTACHMENT SD-1 9)

ATTACHMENT SD-2 10)

ATTACHMENT SI/UV 11)

ATTACHMENT AUX BLDG SW 12)

FOLDOUT PAGES

F

EOP:

ES-1.1 SI TERMINATION REV 9

PAGE 1 of 1 RED PATH

SUMMARY

a.

SUBCRITICALITY Nuclear power greater than 54 b.

CORE COOLING Core exit T/Cs greater than 1200'F

-OR-Core exit T/Cs greater than 700'F AND RVLIS level (no RCPs) less than 434

[464 adverse CNMT]

c.

HEAT SINK Narrow range level in all S/Gs less than 54

[25% adverse CNMT] AND total feedwater flow less than 200 gpm d.

INTEGRITY Cold leg temperatures decrease greater than 100'F in last 60 minutes AND RCS cold leg temperature less than 285'F e.

CONTAINMENT CNMT pressure greater than 60 psig

EOP:

ES-1.1 TITLE:

SI TERMINATION REV:

9 PAGE 1 of 1 FIGURE M1N SUBCOOLING NOTE:

Subcooling Margin = Saturation Temperature From Figure Below [-] Core Exit T/C Indication RC 2500 2400 2300 2200 2100 2000 1900 1800 1700 1600 1500 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0

S PRESSURE (PSIG)

RCS PRESSURE INCREMENTS 20 PSIG SUBCOOLED REGION RSE CNMT ADVE NORMAL CNMT INADEQUATE SUBCOOLING REGION TEMPERATURE INCREMENTS 10'F 200 250 300 350 400 450 500 550 600 650 700 CORE EXIT SATURATION TEMPERATURE

(

F)

0

EOP:

ES-1.1 TITLE:

SI TERMINATION REV:

9 PAGE 1 of 1 FOLDOUT PAGE 1.

SI REINITIATION CRITERIA IF EITHER condition listed below occurs, THEN manually operate SI pumps as necessary and go to E-l, LOSS OF REACTOR OR SECONDARY COOLANT, Step 1:

o RCS subcooling based on core exit T/Cs LESS THAN O'F USING FIGURE MIN SUBCOOLING OR o

PRZR level CHARGING CAN NOT CONTROL LEVEL GREATER THAN 54

[304.adverse CNMT]

l 2.

SI TERMINATION CRITERIA IF ALL conditions listed below occur, THEN go to ES-1.1, SI TERMINATION, Step 1:

a.

RCS subcooling based on core exit T/Cs GREATER THAN O'F USING REQUIREMENTS OF FIGURE MIN SUBCOOLING

b. Total feed flow to intact S/Gs GREATER THAN 200 GPM OR-Narrow range level in at least one intact S/G GREATER THAN 54 [254 adverse CNMT]

c.

RCS pressure:

o GREATER THAN 1625 PSIG

[1825 psig adverse CNMT],

o STABLE OR INCREASING d.

PRZR level GREATER THAN 54

[304 adverse CNMT]

3.

SECONDARY INTEGRITY CRITERIA IF any S/G pressure is decreasing in an uncontrolled manner or is completely depressurized AND has not been isolated, THEN go to E-2, FAULTED S/G ISOLATION, Step 1.

4.

COLD LEG RECIRCULATION SWITCHOVER CRITERION IF RWST level decreases to less than 284, THEN go to ES-1.3, TRANSFER TO COLD LEG RECIRCULATION, Step l.

5.

AFW SUPPLY SWITCHOVER CRITERION IF CST level decreases to less than 5 feet, THEN switch to alternate AFW water supply (Refer to ER-AFW.1, ALTERNATE WATER SUPPLY TO AFW PUMPS).

6. E-3 TRANSITION CRITERIA IF any S/G level increases in an uncontrolled manner or any S/G has abnormal radiation, THEN go to E-3, STEAM GENERATOR TUBE RUPTURE, Step 1.

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