ML20072A633

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Revised Procedures Including Rev 8 to AP-660, Turbine Trip & Rev 2 to EOP-10, Post-Trip Stabilization
ML20072A633
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 07/22/1994
From: David Jones
FLORIDA POWER CORP.
To:
References
PROC-940722, NUDOCS 9408150130
Download: ML20072A633 (39)


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1 DOCUMENT TRANSMITTAL 18090

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FOR DOCUMENT NOTIFICATION AND/OR TRANSMITTAL j TO: NRC (DC DESK) MAC: N/A DESTINATION:

DESCRIPTION: l DATE: Fri Jul 22 12:57:22 1994 CPY COPY TOTALS DOCUMENT REV COMMENTS # INFO CNTL MSTR AP0660 08 EDITORIAL 7 1 0 0 EOP0010 02 EDITORIAL 7 1 0 0 INSTRUCTIONS TO THE ADDRES$fE:

IF YOU ARE A HOLDER OF A HARD COPY. PLEASE VERIFY THE DOCUMENTis) RECEIVED AGREES WITH THE ABOVE DESCRIPTION.

BE SURE TO DESTROY DOCUMENilSI OR PORTIONS OF DOCUMENT [S) SUPERSEDED BY THE ABOVE.

THE S10NATUftE INDICATES THAT YOU HAVE READ AND UNDERSTAND THESE INSTRUCTIONS AND THE CHANCES TO THE DOCUMENTS.

RETURN SIGNED AND DATED TRANSMITT AL TO DOCUMENT CONTROL WITHIN 20 DAYS AT MAIL CODE: _X_ NR2B SA10

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_] Florida Power Corporation -I Document Contral l Crystal River Energy Coniplen

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15700 W. Power Line St. i Cr y stal Ibver, F L34428-6708 l l

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SIGNATURE Or ADDRESSEE DATE INDEPENDENT VERIFICATION IConnut Roorn Docimmmts only) . _ _ _ _ , _ , __.DATE a 4 (* O $ %

9408150130 940722 PDR F

ADOCK 05000302 PDR .Ig{

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l e) TT (E) REV 08 AP-660 O

TURBINE TRIP 1.0 ENTRY CONDITIONS Jf Rx power is < 45% FP, MQ any of the following conditions exist:

o Turbine trip o 2 50*F AT between condensers o 2 55'C Generator Avg cold gas TEMP o 2 104*C Generator stator bar discharge TEMP o Condenser vacuum is 2 10 in-Hg absolute, THEN use this procedure.

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  1. N 'e-Uzamen a gemWK%Gi%T wggl This Procedure Addresses Safety Related Components Approved by MNP0L J ,' } w Date 7-213i4 -

(m) (SIGNA,IURE ON FILE)

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AP-660 PAGE 1 of 13 TT

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.. 2.0 IMMEDIATE ACTIONS ACTIONS RETAILS 2.1 Depress "TURB AUTO STOP - -

TRIP" push button.

2.2 Ensure TVs QB GVs are closed.

1E HDI, 1. Select all MSIVs closed:

IHfB close MSIVs.

Close MSV-411 i Close MSV-412 Close MSV-413 Close MSV-414 2 Control OTSG PRESS using ADVs:

() o MSV-25 "STM GEN A ADV" o MSV-26 "STM GEN B ADV" i 2.3 Stabilize RCS PRESS. Stabilize RCS PRESS using:

PZR heaters PZR spray PORV l

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3.0 FOLLOW-UP ACTIONS

/~'N ACTIONS DETAILS

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3.1 Notify personnel of plant S0TA conditions as required.

Plant operators SS00 to evaluate plant conditions for potential entry into the Emergency Plan System Dispatcher 3.2 CONCURRENTLY PERFORM VP-540, Runback Verification Procedure.

3.3 Ensure ICS runback to 1 15% FP.

(A) 3.4 Ensure output Bkrs are o Ensure open Bkr 1661 open, o Ensure open Bkr 1662 E NOT, 1 At rear of MCB TGF, select Jf G select the Backup "BKR TRIP COIL SELECTOR Trip Coils and attempt to SWITCH" to " BACKUP":

open the Output Bkrs.

o Bkr 1661 on " BACKUP" E Output Bkrs fail to o Bkr 1662 on " BACKUP" open using Backup Trip Coils, 2 Open Output Bkrs:

IllM notify Dispatcher to separate CR-3 from the o Bkr 1661 open 500KV grid, o Bkr 1662 open.

3.5 Ensure RCS PRESS Stabilize RC PRESS using:

stabilizes from 2130 to 2180 psig. PZR Heaters PZR Spray O PORV.

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1 AP-660 'REV 08 PAGE 6 of 13 TT

3.0 FOLLOW-UP ACTIONS (CONT'D)

ACTIONS QELtILS 3.6 IE at any time while performing this procedure, the Rx trips, IllDi GO TO E0P-02, Vital System Status Verification, beginning with step 2.1.

3.7 Ensure the main generator

" FIELD BKR" 's open.

3.8 Select the " VOLT REG" to "0FF".

,o 3.9 Ensure the main turbine Ensure started:

(j oil pumps have Auto started. o TBP-2 "TG BRG OIL PP AC" o TBP-8 "HP SEAL OIL B/V PUMP".

3.10 Isolate the MSR high 1 Depress " RESET" push t" ' on pressure bundles. on RH control panel.

2. Isolate MS to the high pren ure bundles by closing:

MSV-29 "RH TK 3A IS0" MSV-30 "RH TK 3B IS0"

_ NSV-31 "RH TX 3C IS0" MSV-32 "RH TK 3D 150".

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Applicable Carry-over steps:

f 3.6 IE the Rx trips, IlBEE GO TO E0P-02...

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3.0 FOLLOW-UP ACTIONS (CONT'D)

ACTIONS DETAILS 3.11 Ensure MS Hdr PRESS stabilizes 870 to 900 psig.

3.12 Maintain PZR level 200 to o Adjust "PZR LEVEL CONTROL" 240". "SETPOINT" to adjust PZR level, o Adjust MUV-51 " LETDOWN FLOW" controller to adjust letdown fl ow.

3.13 Ensure Tave stabilizes 577 to 581*F.

3.14 Ensure OTSG levels are I')< maintained at LLL.

'\.

3.15 Notify SP0 to isolate DFT SP0 to close HVV-103 DFT vent to vent to atmosphere. atmosphere.

3.16 Notify SP0 to isolate SP0 to close:

FWHE-5A and FWHE-5B drains to DFT. o HDV-47 FWHE-5A drain to DFT o HDV-48 FWHE-58 drain to DFT.

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AP-660 REV 08 PAGE 9 of 13 TT l

Applicable Carry-over steps:

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() 3.6 E the Rx trips, THEN GO TO E0P-02...

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l 3.0 FOLLOW-UP ACTIONS (CONT'D)

ACTIONS DETAILS j 3.17 Ensure Turbine Drain Ensure turbine drain valves are open Valves are open. and not isolated:

Turbine Drain Valves TDV-1 TDV-6 TDV-2 TDV-7 TDV-3 TDV-8 TDV-4 TDV-9 TDV-5 TDV-10 TDV isolation valves (E) l TDV-104 TDV-105 3.18 IE power reduction was ,

2 15%FP in I hr,  !

l Il1@ notify chemistry to perform ITS required RCS sampling. j 3.19 Notify SP0 to isolate MSR SP0 to select "CLOSE" at "MSR high pressure and LP REHEATER DRAINS CONTROL PANEL" bundle vents to FWHEs. located 119 ft TB.

High Pressure and LP Vents to FWHEs:

HDV-539 HDV-540 1 HDV-543 HDV-544 l l

HDV-547 HDV-548 HDV-551 HDV-552 l AP-660 REV 087 PAGE 11 of 13 TT l

2 Applicable Carry-over steps:

( )- 3.6 If the Rx trips, J3fB GO TO E0P-02...

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3.0 FOLLOW-UP ACTIONS (CONT'D)

O ACTIONS DETAILS 3.20 Notify SP0 to isolate MSR SP0 to close locally:

high pressure drain tank drains to FWHEs. HDV-1 HDV-3 HDV-5 HDV-7.

3.21 M " TUP.B AT ZERO SPEED" 1 Ensure turning gear control alarm is actuated, switch is in "AUT0".

E ensure turbine goes on turning gear. 2 Ensure TBP-6, "TG BRG OIL LIFT PUMP" is running.

E turning gear does NOT Auto engage, THEN select "TG TURNING GEAR (q

s MOTOR" control switch to

" MAN",

AND notify SP0 to engage turning gear locally.

3.22 E turbine was tripped due to exceeding condenser vacuum limits, M notify Systems Engineering to evaluate l per vendor instructions. ,

1 3.23 E plant shutdown is required, M GO TO OP-208, Plant Shutdown.

E NOT, THEN GO TO OP-203, Plant i Startup. l AP-660 REV 07 PAGE 13 of 13 (LAST PAGE) TT 1

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PS (E) REV 02 E0P-10 I

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POST-TRIP STABILIZATION 1.0 ENTRY CONDITIONS This E0P is referenced from other procedures.

2.0 IMMEDIATE ACTIONS Ugte There are no immediate actions for this procedure.

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l This Procedure Addresses Safety Related Components

(' Approved by MNP0 0 !c w Date 7/t2/11 ,

(SIGNAJUREONFILE)

E0P-10 *PAGE 1 of 25 PS 1

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i 3.0 FOLLOW-UP ACTIONS O ACTIONS DETAILS (V

PLANT STATUS: - -

0 Adequate Subcooling Margin exists.

o Controlled primary to secondary heat transfer exists, i

3.1 Verify MSSVs fully seated.

E MSSVs are NOT fully o Momentarily lower affected 0TSG l seated, PRESS to = 800 psig to reseat valve.  !

Ill@ attempt to reseat any MSSV NOT fully seated. OTSG PRESS control:

E MSSVs do RQI reseat, N/A A OTSG B OTSG THEN notify maintenance to initiate repair efforts. TBVs MSV-9 MSV-11 MSV-10 MSV-14 ADVs MSV-25 MSV-26 3.2 Ensure " MAIN FW BLOCK" and FW BLOCK valves:

"L0 LOAD FW BLOCK" valves are closed. N/A A OTSG B OTSG MAIN FWV-30 FWV-29 LO LOAD FWV-31 FWV-32

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3.0 FOLLOW-UP ACTIONS (CONTl ACTIONS DETAILS O(/

3.3 Verify NNI power is o AP-581, Loss of NNI-X available. - -

o AP-582, Loss of NNI-Y IE NNI power is HQI available, IBEN CONCURRENTLY PERFORM the appropriate procedure.

3.4 Isolate MSR HP bundles. o Depress " RESET" pushbutton on reheat control panel.

o CLOSE:

MSV-29, MS to "A" MSR MSV-30, MS to "B" MSR MSV-31, MS to "C" MSR MSV-32, MS to "D" MSR O

3.5 RBEN Intermediate Range flux lowers to = SE-10 amps, IBEH verify SR energizes.

Continue in this procedure.

3.6 Ensure main turbine oil o TBP-2, "TG BRG OIL PP AC" pumps'have started.

o TBP-8, "HP SEAL OIL B/U PUMP" 3.7 Notify Health Physics and o Health Physics to survey MU filters Chemistry to perform post for increased radiation levels.

Reactor Trip actions.

o Chemistry to perform STS required sampling for > 15%' power change in any hour.

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3.0 FOLLOW-UP ACTIONS (CONTl

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ACTIONS DETAILS 3.8 E > 1 safety or o E borating from the BAST, regulating control rod is M perform the following: - --

N_QI fully inserted, M start boration of the 1 Start CAP-1A or CAP-1B.

RCS from either the BAST or BWST. 2 Open CAV-60.

3 Ensure makeup system flow is 1 10 gpm.

o E barating from the BWST, l THEN perform the following:  ;

1 Ensure MVP suction from BWST.

o MUV-58 open o MUV-73 open 2 Open HPI valve to establish 1 55 gpm.

3 Divert letdown flow to the RCBTs as necessary to allow

( continued boration.

3.9 Ensure MUT level is E MUT is > 86",

between 55" and 86". M bleed to RCBT.

E MUT is s 55",

M feed from RCBT, AND ensure MUV-112 is selected to MUT.

E MUT level decreases E feed from RCBT does NOT restore low below 30", MUT level, M open both BWST THEN open both BWST suction valves to suction valves to MU. MU:

o MUV-73, A Train

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o MUV-58, B Train i

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.- l 3.0 FOLLOW-UP ACTIONS (CONTl ACTIONS DETAILS l 3.10 IE a PZR steam bubble does 1 Turn on all PZR heaters, cycling NOT exist, them as required to maintain 1 - -

E establish a PZR steam 100*F/hr heatup rate.

bubble if possible.

2 M PZR TEMP is Tut for Continue in this procedure desired RC PRESS,  ;

M establish a PZR bubble by lowering level to 80 - 120" 1

3.11 Control PZR level between o Adjust MUV-31 setpoint or position 80 and 120". as required to maintain PZR level .i between 80 and 120".

IE PZR level < 80",

M close MUV-51, Block o Ensure PZR heater control is in Orifice Byp. AUTO.

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4 Table 1, OTSG Tube to Shell AT Limits:

Tensile AT Limit: Avg Tshe11 - Teoid 5 100*F r) Compressive AT Limit: ht - Avg Tshell 5 60*F NJ "A" 0TSG shell Temps: A-730, 731, 732, 733, 734, Avg: R-771 '

"B" OTSG shell Temps: A-735, 736, 737, 738, 739, Avg: R-772 - -

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3.0 FOLLOW-UP ACTIONS (CONT)

ACTIONS DETAILS g . _

Starting an RCP could result in a temporary loss of adequate subcooling margin due to collapsing of voids. All RCPs must be secured if ASCM does not recover within 2 minutes.

3.12 IE, at any time while RCPs are available when ALL of the performing this E0P, N0 following conditions exist:

RCPs are running, AND RCPs become available, 6900V Rx Aux Busses Energized I!LEl{ start at least 1 RCP.

1 70*F Subcooling Margin exists All RCP start permissives are met Compressive Tube to Shell AT is

< 60*F. Refer to Table 1.

RCP starting:

1 lE RCPs were tripped due to loss of Subcooling margin, THEN establish PZR level 2 200" 2 lE either OTSG is available, THEN start 1 RCP in each loop, starting the RCP in the loop with the highest OTSG level first.

LE N0 OTSG is available, THEN start 1 RCP.

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I Applicable Carry-over steps:

3.12 Start at least 1 RCP when available...

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. 3.0 FOLLOW-UP ACTIONS (CONT)

ACTIONS DETAILS

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3.13 Ensure required OTSG levels. RCP Status Required Level - -

2 1 RCP Low Level Limits No RCPs 60 - 70%

3.14 Establish Mode 3 1 Perform the following to stop Condensate system one CDP:

operation.

o Reduce CDP controller load to zero.

o Stop associated CDP.

2 Open CD heater bypass, CDV-242.

3 Close CD heater isolation valves:

r (3,,j o CDV-44, A-Train o CDV-43, B-Train 4 Throttle CDV-242 to control Dearator level between 7' and 11'.

5 Maintain CD system pressure between 90 and 150 PSIG using the controller for the operating CDP.

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Applicable Carry-over steps.

3.12 Start at least 1 RCP when available... ]

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3.0 FOLLOW-UP ACTIONS (CONT)

ACTIONS DETAILS 3.15 Establish Mode 3 FW system Stop 1 MFWP:

operation by reducing to 1 - --

operating MFWP. 1 PP0 to select "EFIC CHANNEL A MAIN FW ISOLATION MAIN FW PUMP TRIP" key switch to "BOTH".

Located in CRD room, "RR3A".

2 PP0 to select "EFIC CHANNEL B MAIN FW ISOLATION MAIN FW PUMP TRIP" key switch to "BOTH".

Located in B EFIC room, "RR5B1".

3 Open FWV-28, FW Cross-tie.

4 Reduce FW pump demand to 0.

5 Reduce MFWP Governor Speed Control to Low limit.

6 Trip associated MFWP.

7 Open associated turbine drain r3 valves.

U 8 E.nsure turning gear control switch is selected to " Engage".

3,16 WliEH operating MFWPs have Stop 1 MFWBP:

_been reduced to 1, THEN reduce to 1 operating 1 Start associated Aux Oil Pump.

MFWBP.

2 Secure 1 MFWBP.

3 Ensure associated MFWBP discharge valve closes.

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. Applicable Carry-over steps:

3.12 Start at least 1 RCP when available...

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3.0 FOLLOW-UP ACTIONS (CONT)

ACTIONS DETAILS  !

3.17 Ensure turbine drain Ensure turbine drain valves are open valves are open. and unisolated. - -

Turbine Drain Valves TDV-1 TDV-6 TDV-2 TDV-7 TDV-3 TDV-8 ,

TDV-4 TDV-9 TDV-5 TDV-10 TDV isolation valves  :

(E) l TDV-104 TDV-105 4

3.18 WHEN " TURBINE AT ZERO o Ensure turning gear control switch SPEED" alarm 1.s actuated, is "AUT0". -

LHQ ensure turbine goes on turning gear. o Ensure TBP-6, "TG-BRG OIL LIFT PUMP" is running.

Continue in this procedure.

IE turning gear does EQI Auto ,

engage, THEN select turning gear control switch-to " MAN",

AND notify TB Operator to engage turning gear locally.

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. Applicable Carry-over steps: )

n 3.12 Start at least 1 RCP when available...  ;

(j 3.18 Ensure turbine goes on turning gear at zero speed...

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t 3.0 FOLLOW-UP ACTIONS (CONTl

() ACTIONS DETAILS 3.19 Notify SP0 to isolate MSR SP0 tc select "CLOSE" at "MSR REHEATER high pressure and LP DRAINS CONTROL PANEL" located 119 ft - --

bundle vents to FWHEs. TB.

High Pressure and LP Vents to FWHEs HDV-539 HDV-540 HDV-543 HDV-544 HDV-547 HDV-548 HDV-551 HDV-552 i

3.20 Notify SP0 to isolate MSR SP0 to close locally:

high pressure drain tank .l drains to FWHEs. HDV-1  !

HDV-3

() HDV-5 HDV-7. 4 t

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3.21 1E any safety or IE 1 control rod is stuck, 3 regulating control rod is IHfH refer to OP-103C, Curve 18 HDI fully inserted, '

IBEH determine boration IE > 1 control rod is stuck, requirements to ensure 2 IHfH continue boration until either of 1% shutdown margin. the following conditions exist: t o Actual boron concentration 2 1925 ppmB QB o Actual boron concentration ,

2 value determined by the Reactor Engineer or designee

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Applicable Carry-over steps:

3.12 Start at least 1 RCP when available...

/7 3.18 Ensure turbine goes on turning gear at zero speed...

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3.0 FOLLOW-UP ACTIONS (CONT) i i ACTIONS DETAILS 3.22 IE MFW is available, EFW or AFW is required when any of the AND EFW or AFW are no following conditions exist: - --

longer required, IMH restore MFW, o No RCPs operating o Adequate subcooling margin does NOT exist o feeding a dry 0TSG Refer to Enclosure 8, MFW Restoration.

Refer to Enclosure 3, Dry OTSG Recovery.

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., Applicable Carry-over steps:

3.12. Start at least- 1 RCP when available...

3.18 Ensure turbine goes on turning gear at zero speed...

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1 3.0 FOLLOW-UP ACTIONS (CONTl

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V ACTIONS DETAILS 3.23 If an isolated OTSG 1 Ensure TBVs are closed on exists, affected lines. - -

AND the reason for isolation has been locally 2 Notify TB Operator to bypass isolated or repaired, affected MSIVs:

IBEM open MSIVs.

MSIV Bypass Valves:

A OTSG B OTSG MSV-411 MSV-412 MSV-413 MSV-414 CGV-38 CGV-37 CGV-36 CGV-35 CGV-47 CGV-48 CGV-49 CGV-50 MSV-498 MSV-499 MSV-500 MSV-501 3 IE OTSG PRESS is < 800 psig, IEES use local indicators to determine PRESS downstream of the MSIVs.

o MSV-411, use MS-119-PI, 119'

[-T TB near TBV - MSV-10.

o MSV-412, use MS-118-PI, 119' TB under the HP Turbine.

o MSV-413, use MS-121-PI, 119' TB under the HP Turbine.

o MSV-414, use MS-120-PI, 119' TB near TBV MSV-11, 4 HHEN AP across affected MSIV is

< 200 psid, THEN either bypass or reset MS line isolation.

5 Select affected MSIV SV1

" TEST / NORM / RESET" switches to reset, AND open affected MSIVs.

6 Maintain stable RCS TEMP while transferring 0TSG PRESS control to TBVs from ADVs.

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E0P-10 REV 02 PAGE 23 of 25 PS

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. Applicable Carry-over steps: '

3.12 Start at least 1 RCP when available...

3.18 Ensure turbine goes on turning gear at zero speed... )

Table 1, OTSG Tube to Shell AT Limits: e Me Tensile AT Limit: Avg Tshe11 - Icold i 100*F l

Compressive AT Limit: That - Avg Tshe11 1 60*F  ;

1 "A" OTSG shell Temps: A-730, 731, 732, 733, 734, Avg: R-771 "B" 0TSG shell Temps: A-735, 736, 737, 738, 739, Avg: R-772 Table 2, Cooldown Limits: I RCP Status RCS Temp Cooldown Limit 2 1 RCP > 280*F s 50*F \ hr Running 280 - 150*F s 25'F % hr No RCPs RC Press maintained 5 25'F hr Running above Nat Circ Curve

> 280*F 5 5'F % hr (3

(,) 280 - 150*F 1 2.5'F % hr n -

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3.0 FOLLOW-UP ACTIONS (CONT)

, (~ ACTIONS DETAILS  ;

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3.24 JE NO RCPs are running, M GO TO E0P-09, Natural - -,

Circulation Cooldown, beginning with step 3.1.

3.25 If a dry OTSG exists, Refer to tables 1 and 2.

M ensure tube-to-shell AT is maintained within JE tensile limit is approached, limits. M reduce cooldown rate.

JE compressive limit is approached, M increase cooldown rate using TBVs or ADVs without exceeding cooldown rate limits.

3.26 ff cooldown is required, M GO TO OP-209, Plant Cooldown.

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J 3.27 GO TO OP-202, Plant Heatup.

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E0P-10 REV 01 PS lPAGE25of25(LASTPAGE) 1