ML20101R169
| ML20101R169 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 07/03/1992 |
| From: | Miller T FLORIDA POWER CORP. |
| To: | |
| References | |
| PROC-920703, NUDOCS 9207150252 | |
| Download: ML20101R169 (105) | |
Text
,
r DOCUENT TRANSMITTAL FORM 75689 FOR DOCUENTS TRANSMITTED TO DC DESMNRCH t
DATE: 03 JUL 1992 DATCH:
100 s
DOCUMENT NUMBER-SHEET NUMDER REVIS?ON NUMBER COPY NUMBER AP 790 06 7
AP ' 300 20 7
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INSTRUCTIONS TO THE ADDRESSEE COMPLETE EACH OF THE INSTRUCTIONS DELOW WHICH ARE - MARKED WITH AN " X
',_X_ (1) VERIFY THE DOCUMENTS RECEIVED AGREE WITH THE ADOVE DESCRIPTION
_X_ (2) INCORPORATE THE TR ANSMITTED DOCUMENTS INTO YOUR FILES
,,,X, (3). DESTROY DOCUMENTS - OR PORTIONS OF DOCUMENTS -SUPERSEDED DY THE ADOVE
_X,,, ( 4 ) SIGN AND DATE IN THE SPACES.DELOW ' INDIC ATING THAT YOU COMPLETED THESE INGTRUCT IONS.
..,_,,,- ( 5 ) SIGN BELOW INDICATING THAT YOV HAVE READ AND UNDERSTOOD THE
- CHANCES AS - IDENTIF IED-
.,,,,X
- (6 ) RETURN TO DOCUMENT - CONTRCL, - CR YSTAL R I VER UNIT 3.
MAC#
NA1C,_,__,
NR2A SAIG FLORIDA POWER C OR P., P. D.
DOX 219 0
CR YSTAL RIVrR - FLAJ -32623 (7) ~ OUALITY PROGRA113 CERSONNEL - HAVE READ AND UNDERSTOOD THE
- CHANGES TO THE AFFECTED QAP 'S l'
' SIGNATURE OF ADDRESSEE DATE 2NDEPENDENT VERIFICATION DATE (OP S )
.1 r
i; ll 9207150252 920703
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l REY 06 DATE 07/03/92 AP-790 SB0
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l STATION BLACK 0UT Aq ENTRY CONDITIONS il a loss of off-site power occurs during Modes I thrii 4 6NQ neither 4160V ES buses can be energized.
1113 use this procedure.
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This' Procedure Addresses Safety Related Components -
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Approved-by NOS M/M a.7]///8[# hr
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IMMEDIATE ACTIONS
(
ACTIONS DETAILS mu There are no immediate Actions in this procedure.'
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la, FOLLOW-UP ACTIONS
,(y ACTIONS DETAILS j
v 3.1 Minimize RCS inventory o Close MVV 49. Valve position loss.
indication is available at the ES-B panel.
o Close MVV-253 o Contact Chemistry and ensure all sampling of the primary system is stopped.
3.2 Ensure core cooling, o EFP-2 started o EFlc OTSG 1evel control is selected to 65f.
o.EFW flow exists to both OTSGs.
U9tt V
Neutron flux recorders will.not be operable. Use edgewise meters for monitoring neutron flux levels.
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3.3 Verify the reactor is o IR flux decreasing.
l shutdown.
o SR flux-decreasing, o SR flux at shutdown level and
-not increasing.
3.4 S'ecure DC motors-at the MVP 3A, HUP A B/V LUBE OIL PP Main Control Board that MVP-3B, MVP.B B/U LV8E Oil PP are not_needed by placing MVP-3C, MVP C B/U LUBE OIL PP.
their control switches in RCP-3A, RCP A DC OIL LIFT PP Pull-to-lock.
RCP-38, RCP.B DC OIL LIFT PP RCP-3C,-RCP C DC OIL LIFT PP RCP 3D,-RCP D DC OIL-LIFT PP w
. _ (u) o AP-790-REV-06 PAGE 5 of 37 SB0
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v AP-790 REV 06 PAGE 6.of 37 SB0
3.0 FOLLOW-UP ACTIONS (_QD]'Q1 O
ACTION 1 DETAILS V
3.5 Actuate MS line isolation o Depress "SG MAIN STM on both OTSGs.
ISOLATION" pushbuttons, o Verify all 4 MSIVs' closed by observing status lights on PSA panel.
!!Q.12 In plant communications should be made with the hand held radios, on Channel 11_during the performance of this procedure.
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3.6 Notify SOTA of plant conditions.
3.7 Notify available operator Locally observe EFP-2 performance to observe EFP-2.
and report indica;lons of L
abnormal pump / turbine operation.
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3.8 Continue attempts to o Attempt to restore operation, restore AC power to the 4160 ES buses.
o Determine status of 230KV Switchyard o Off-Site Power Source Xfmr o Unit 3_Startup Xfmr o Determine status _of 500KV switchyard to c.tablish backfeed.
3. 9.__ jf., at any time while performing this procedure, 4160V ES-bus power _.is avail able. -
JJiElf GO TO Step 3.23 in this
-procedure.
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AP-790 REV 06' PAGE 7 of 37 SB0
l Table 1:
Tsat Monitor Adequate Subcooling Margin i
t Reactor Coolant MARGIN
(.~)
r V
> 1500 psig 30*F s 1500 to > 250 psig 50'F 1 250 to > 150 psig 70'T 1 150 psig SPDS 5 200'F N/A 3.9 IE 4160V ES bus power is available.
-ItiG GO TO Step 3.23 in this procedure.
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AP-790
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PAGE 8 of 37 SB0 v.
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3.0 FOLLOW-UP ACTIONS ic0NT'D) g
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ACTIONS DETAILS 3.10-E, at any time while o See Table 1 for adequate performing this procedure, subcooling margins, adequate subcooling margin
.does 1[01 exist, o Depress "95%" level select JBfB:
pushbutton on both OTSGs.
o Raise OTSG 1evels to 95%
using EFW.
o There are no applir
'e cooldown rate limits for this cooldown.
o Immediately begin a cooldown at the maximum achievable rate.
tDE High Point Vent Valves should NOT be opened during performance of this procedure unless specifically directed.
-a ENE The PORY should remain closed during performance of this procedure unless.specifically directed otherwise.
'3.11 Select PORV, RCV-10, ICS panel control switch, to CLOSE..
3.12:
-1E, at any time while o lE adequate subcooling margin perfo 4:ng this procedure, does NOT exist, RCS PRtidS increases to IEti reduce RCS PRESS until
- 2400 psie T%,, = 50'F > T,,t of the OTSG.
IM H manui'iy en rate: the PORV to re @ r. AS PRESS o lE adequate subcooling margin based on sulcoolinq.
- exists,
~
IMH reduce-RCS PRESS until:
E the PORV is NOT available,
.ItifB allow RCS PRESS to increase o RCS PRESS = 100 psig above the to the PZR Safety Valve setpoint adequate subcooling margin of 2500.psig.
curve OB o RCS PRESS = 1600 psig
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AP-790 REV.06 PAGE 9 of 37 SB0
Table 1: -Tsat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN
, _s F
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> 1500 psig
-30'F s 1500 to > 250 psig 50*F s 250 to > 150 psig
-70*F 1 150 psig SPDS 1 200'F N/A 3.9 '1E 4160V ES bus power is available, IEEE GO TO Step 3.23 in this procedure.
3.10 If adequate subcow.ing margin does HOI exist,
- 1B18 raise OTSG 1evels to 95% with EFW.
6HD begin a.cooldown at maximum rate.
3.12 JJ_ RCS PRESS increases:to = 2400 psig, 7q IBEN manually open the PORV to reduce RCS PRESS based on subcooling.
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AP-790 REV 06' PAGE 10 of 37 SB0
3.0 FOLLOW-UP ACTIONS (CONT'Di
. [)
ACTIONS DETAILS
%J 3.13 Vent main generator H, Notify available operator to perform pressure to = 0 psig, the following:
1,_. Closa H isolation valves:
2 o GGV-221 o GGV-214 2
Open H vent valves:
y o GGV-232 o
GGV-274 Valves located on 95' TB at H #
manifold area.
3.14 Control EFW flow to maintain RCS TEMP and minimize PZR outsurge.
3.15 Provide cooling to the 1
Ensure the following doors electrical equipment in are open and remain open
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the Control Complex until Control Complex N
ventilation is restored, o All Annunciator cabinet doors o All ICS cabinet doors
~
o All NNI cabinet doors o All EFIC cabinet doors o All doors on the 145 ft.
elevation leading from the Control Room to the Turbine Building.
2 JF Control Room temperature exceeds 105'F, THEN remove Control Room ceiling tiles to maintain Control Room s 110*F.
I AP-790 REV 06 PAGE 11 of 37 SB0
4 -
Table 1:
Tsat Monitor Adequate Subcooling Margin
,5
'deactor Coolant MARGIN i[
> 1500 psig 30*F s 1500 to > 250 psig 50*F 1 250 to > 150 psig 70'F I 150 psig SPDS 1 200'F N/A 3.9 E 4160V ES bus power is available, JH W GO TO Step 3.23 in this procedure.
3.10 IE 2dequate subcooling margin does 801 exist, It!EH raise OTSG levels to 95% with EFW.
t MQ begin a cooldown at maximum rate, 3.12 E RCS TRESS. increases to = 2400 psig,
,r~ 3 THEN ma!.ually open the PORV to reduce RCS PRESS based on subcooling.
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AP-790
.REV 06 PAGE 12 of 37 SB0
3.0
-FOLLOW-UP ACTIONS (CONT'D1 ACTIONS DETAllJi 3.16 1E, at any time, while Perform Enclosure I tc supply performing this procedure, EFP-2 from Units 1/2 steam.
OTSG PRESS decreases.to I 100 psig Al{Q Units 1/2 steam is available, IEEE supply EFP-2 from Units 1/2 steam.
3.17 IE instrument air is not o Close N vent valve NGV-324.
2 available.
IEEH align N, to the ADVs o Open N supply valve NGV-312, g
3.18 ___ Control 0TSG PRESS to prevent cooldcwn'of the RCS.
(_.)
3.19 Place EFP-1 control switch Provides for controlled start-up in Pull-to-lock.
following power restoration.
Notg FWP-5A and FWP-5B should be operated for 30 minutes following event initiation.
3.20
-1F. power restoration has 1
Place FWP-SA in Pull-to-lock, not occurred, IHEN stop FWP lube oil pumps.
2 Place FWP-5B in Pul1-to-lock.
3.21 De; energize plant-computer 1
Open Invertor "AC Input" Bkr.
Invertor VBIT-lE.
2 Open Invertor "AC Output" Bkr.
3 Open Invertor " Battery Input" Bkr.
7, t
AP-790 REV 06 PAGE 13 of 37 SB0-
1 i
Table 1:
Tsat Monitor Adequate Subcooling Margin J-Reactor Coolant MARGIN s
> 1500 psig 30'F 1 1500 to > 250 psig 50*F s 250 to > 150 psig 70'F ti s 150 psig SPDS 1 200*F N/A 3.9 IE 4160V ES bus power is available, IBEM GO TO Step 3.23 in this procedure.
3.10 if adequate subcooling margin does NOI exist, lhEB raise OTSG levels to 95% with EFW.
ANQ begin a cooldown at maximum rate.
3.12 IE RCS PRESS increases to = 2400 psig,
/'"T IEEh manually open the PORV to reduce RCS PRESS based on subcooling.
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3.16 IE OTSG PRESS decreases to 1 100 psig Af10 Units 1/2 steam is available, IBEH supply EFP-2 from Units 1/2 steam.
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AP-790 REV 06 PAGE 14 of 37 SB0
3.0 FOLLOW-UP ACTIONS (CONT'D1
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' i ACTIONS DETAILS N._
Use local H,TB 156-PI, 3.22 M main generator H o
pressure indication, pressure has decreased to
= 0 psig, located on 95' TB..
M stop TBP-3 and TBP-10 MQ open DPDP switches for 1
Place TBP-3 control switch these pumps, in Pull-to-lock.
2 Open DPDP IC, switches 2 and 16.
3 Open DPDP 38, switches 17 and Continue on in this 13.
procedure.
Note Opening HPI pump Bkrs provides for controlled start-up following power restoration.
3.23 lE an ES actuation has 1
Ensure ES is bypassed or reset p
occurred prior to energizing the 4160V ES buses.
HPI bypassed or reset
(~j M ensure ES is bypassed or LPI bypassed or reset reset RBIC bypassed or reset MQ ensure HPI pump Bkrs are open switches to "STOP" then
" NORM-AFT-STOP" HUP-1A MVP-1B MVP-lC 3.24 M ES 4160V power is available, THEN continue this procedure.
L.f AP-790 REV 06 PAGE 15 of 37 SB0
- Table 1:
Tsat. Monitor Adequate Subcooling Margin
.4.
Reactor Coolant MARGIN.
-, s --
> 1500.psig 30'F s 1500 to > 250 psig 50'F s 250 to > 150 psig 70*F' s 150 psig SPDS 1 200*F N/A 3.9 IE 4160V ES bus power is available, IEEN GO TO Step 3.23 in this procedure.
3.10 If adequate subcooling margin does HQI exist, IHEN raise 0TSG levels to 95% with EfW.
AND begin a'cooldown at maximum rate.
3.12 lE RCS PRESS. increases to = 2400 psig, f(y IEEH_ manually open the PORV to reduce RCS PRESS based on subcooling.
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3'.16.lf 0TSG PRESS decreases to s 100 psig AND Units 1/2 steam is available, IUfH supply EFP from Units 1/2 steam.
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AP-790
-REV 06' PAGE 16 cf 37 580
3.0-FOLLOW-UP ACTIONS (CONT'D1 ACTIONS DETAILS IlQ12 If the A ES 4160V ES/UV Undervoltage Lockout has actuated, 'it will be necessary to defeat this lockout by opening Switch AY, located in ES 4160V Bus A Cubicle 3A13, Dummy Bkr, and reset the Undervoltage Lockout.
3.25 Restore power to ES 4160V 1
Ensure switchgear room is A Bus, cleared prior to energizing the bus.
2 Close one of the following feeders by selecting CLOSE position for = 10 seconds:
o 3211, Unit 3 Offsite Power Transformer, M
o 3205, Unit 3 Startup Transformer, g
o 3209, If EDG-1A is operating at rated voltage and speed.
3 lE Switch AY in Cubicle 3A13, Dummy Bkr, is open,
-IHEB close the switch.
4 IE EDG is supplying the bus, IllEH CONCURRENTLY PERFORM AP-770, Emergency Diesel Generator Actuation, beginning with Step 3.8.
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AP-790 REV 06 PAGE 17 of 37 SB0 l
l Table 1:
Tsat Monitor Adequate Subcooling Margin
',m-Reactor Coolant MARGIN
- L.
> 1500 psig 30'F 1 1500 to > 250 psig 50*F 1 250 to > 150 psig 70*F
$ 150 psig SPDS 1 200*F N/A 3.10 E adequate'subcooling margin does LLO.I exist, IMG raise OTSG levels to 95% with EFW.
@D begin a cooldown at maximum rate.
3.12 E-RCS PRESS increases to = 2400 psig, IRB manually open the PORV to reduce RCS PRESS based on subcooling.
3.16 E OTSG PRESS decreases to 1 100 psig AND Units 1/2 steam is available,
_7-). -
IB M supply EFP 2 from Units 1/2 steam.
J' AP-790 REV 06 PAGE 18 of 37 SB0
3.0 FOLLOW-UP ACTIONS (CONT'D)
[)
ACTIONS DETAILS
'J Note If the B ES 4160V ES/UV Undervoltage Lockout has actuated, it will be necessary to defeat this lockout by opening Switch AY, located in ES 4160V Bus B Cubicle 3B2, Dummy Bkr, and reset the Undervoltage Lockout.
3.26 Restore power to ES 4160V 1
Ensure switchgear raom is B Bus.
cleared prior to energizing the bus.
2 Close one of the following feeders by selecting CLOSE position for = 10 seconds:
o 3212, Unit 3 Offsite Power Transformer, 0E o 3206, Unit 3 Startup n
Transformer, c]
y o 3210, If EDG-1B is operating at rated voltage and speed.
~
3 E Switch AY in Cubicle 3B2, Dummy Bkr, is open, THEN close the switch.
4 IE EDG is supplying the bus, THEN CONCURRENTLY PERFORM-AP-770, Emergency Diesel Generator Actuation, beginning with Step 3.8.
U AP-790 REV 06 PAGE 'A of 37 SB0
~
Table _1: Tsat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN
\\,
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> 1500 psig 30*F 1 1500 to > 250 psig 50*F
$ 250 to > 150 psig 70*F i 150 psig SPOS i 200*F N/A 3.10 if adequate subcooling margin does HQI exist, IHEN raise OTSG levels to 95% with EFW.
AND begin a cooldown at maximum rate.
3.12 If RCS PRESS increases to ='2400 psig, IHER manually open 'the PORV-to reduce RCS PRESS based on subcooling.
3.16 IE OTSG-PRESS decreases to 1 100 psig MQ Units 1/2 steam is available, L(, -s) 1REN supply: EFP-2 from Units 1/2 steam,
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.J-AP-790 REV 06 PAGE 20 of 37 SB0 l
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73.On F0LLOW-UP ACTIONS-(CONT'Dl'
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[ ACTIONS:
DETAILS o y3 _ 1 a
-13.27 L
- 1E An.y ES 480V: bus is-o ES:480V Bus 3A:
-de-energized, IllEff energize-the de--
- 1. J.E uv-lockout-relays are
. energized bus:or busses.
- tripped, i
IllEff reset the lockout relays located behind the MCB.
1
-8627/ESA 2'
86X27/ESA e
2 Close Bkr 3221.
3 Close Bkr 3311.
o ES 480V Bus'3B:
-1
-J.E uv lockout relay is
- tripped, IllEf! _ reset the lockout relay located:behind_the
. MCB. -
_ PY
~
o 8627/ESB 2
-Close Bkr 3220.
~
3' Close_Bkr 3310.
l 4
4 L3,28__ _ Ensure?all:ESL480V MCCs:
ES MCC:3Al-ES MCC:3A2'
- arefenergized.;
- ES MCC 382-- -
_ES_MCC 3AB 1
+
i 2
I 9).f_
e A 790L REV 06 PAGE-21 of_37 580.
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Table 1: Tsat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN
')'
> 1500 psig 30*F s 1500 to > 250 psig 50*F 1 250 to > 150 psig 70'F I 150 psig SPOS s 200'F N/A 3.10 if adequate rubcooling margin does EDI exist, IH Q raise OTSG levels to 95% with EFW.
ARQ begin a cooldown at maximum rate.
~
3.12 1E RCS PRESS increases to = 2400 psig, IHS manually open 'he PORV to reduce RCS PRESS. based on subcooling.
3.16 IE OTSR PRESS decreases to s 100 psig rm.,
et(Q Units 1/2 steam is available,
/
IH W supply EFP-2 from. Units 1/2 steam.
ew
'J AP-790 REV 06 PAGE 22 of 37 SB0
}.0 FOLLOW-UP ACTIONS (CONT'D)
ACTIONS DETAILS 3.29 Ensure SW and RW cooling o
SWP-1A or SWP-1B water systems are operating.
o,_ _ RWP-2A or RWP-?D 3.30 1E EFW is required, o
Start EFP-1 from the Main 1116 start EFP-1 Control Room.
a@ CONCURRENTLY PERFORM AP-450. Emergency Feedwater Actuation, beginning with Step 3.9.
3.31 1E EFP-2 is NOT required, Close ASV-5 and ASV-204.
1115 stop EFP-2, 3.32 IE adequate subcooling margin exists, Oi.
Ilim GO TO Step 3.35 in this procedure.
e AP-790 REV 06 PAGE 23 of 37 SB0 s
l
. Table 1: Tsat-Monitor Adequate Subcooling Margin
",q.
Reactor Coolant MARGIN m
I N-
> 1500'psig 30*F s 1500 to_> 250 psig 50*F 1 250_to > 150 psig 70'F 1 150 psig SPDS 1 200*F N/A 3.9 If adequate.subcooling' margin does HQI exist, IHE8 raise 0TSG levels to 35% with EFW.
aHQ begin aLeooldown at maximum rate.
3.11 IE RCS PRESS increases to = 2400 psig,-
IHEN manually open-the PORV.to reduce RCS PRESS based on subcooling.
3.16 If-0TSG PRESS' decreases to's 100 psig.
1
' f-'s,
AND Units' 1/2-steam is available, y,)
THEN supply EFP-2 from UnitsLl/2 steam.
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AP-790 REV'06 PAGE 24 of 37 SB0
3.0 FOLLOW-UP ACTIONS (CONT'0)
)
ACTIONS DETAILS C. '
3.33 Establish HPI flow.
^
Ensure MUV-16, Seal Injection Control Valve is closed.
2 Verify "SWGR TP.ANSF PERMIT" light is lit.
3 Ensure MVP control switch is selected to NORM-AFT-STOP.
4 Ensure BWST suction is open.
o MUV-73 o MUV-58 5
Ensure MVP recirc valves are open:
o MUV-53 o MUV-257 6
Ensure Main Lube Oil Pump is operating.
7 Ensure Main Gear Oil Pump
^rx
)
is operating.
8 Start MVP.
9 Establish HPI using all 4 injection lines.
3.34 GO T0 1 of the following procedures based on Two,,
T Procedure wo,,
< Adequate AP-380,.ESA Subcooling beginning with Margin Step 3.5 Superheated EP-290, ICC beginning with Step 3.1
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AP-790 REV 06 PAGE 25 of 37 SB0
y
~-
y Table 1:
Tsat Monitor Adequate Subcooling Margin by, :
Reactor Coolant MARGIN' n s
/k
> 1500 psig 30*F s 1500 to >'250 psig 50*F 1 250-to > 150 psig 70*F s 150 psig SPDS s 200*F N/A 3.10 If' adequate subcooling margin does NOT exist,
.IEEtt raise OTSG levels to 95% with EFW,
.AND_begin a cooldown at maximum rate.
3.12 1E RCS PRESS increases to = 2400 psig, IBfB manually open-the PORV to reduce RCS PRESS based on subcooling.
3.16 IE OTSG PRESS decreases to 1 100 psig
- n MQ Units 1/2 steam is available,
-,)'
THEN supply EFP-2 from Units'1/2 steam.
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AP-790 REV 06 PAGE 26 of 37 SB0
(.:
i 3.0 FOLLOW-UP ACTIONS _JCONT'D1
[Jl ACTIONS DETAILS 3.35 1E adequate subcooling See Table 1 for adequate sub-margin exists, cooling margins.
IBEU CONClHRENTLY PERFORM AP-530, Nst aral Circulation, bcginning
'h Step 3.4.
sb CAUTION
/
Ensu're cooling water is supplied to MVP prior to starting.
Ensure closed MUV-16, Seal IHEN start 1 MVP Injection Control Valve.
. Injection and Make-up.
2 Ensure closed MUV-31, PZR Level Control Valve.
3 Verify "SWGR TRANSF PERMIT" light is lit for desired MVP to be started.
rS I._ ).
4 Ensure MVP Main Lube Oil Pump running.
5 Start MVP Main Gear Oil Pump.
6 Ensure respective suction valves are opened.
7 S.rt desired MUP.
8 Ensure open MUV-18, Seal Injection Block Valve.
9 Throttle open MUV-16 to obtain 2 gpm/RCP.
10 Ensure open MUV-253, RCPs Controlled Bleed-off MOV.
11 Throttle open MUV-16 over a 30 min period to establish = 10 gpm/RCP.
12 Operate MUV-31 to obtain desired PZR level.
Q.))
l AP-790 REV 06 PAGE 27 of 37 SB0 l
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Table 1: Tsat Monitor Adequate Subcooling Margin Reactor Coolant
-MARGIN il
> 1500 psig 30*F s 1500 to > 250 psig 50*F 1 250 to > 150 psig 70*F 5 150 psig SPDS
-5 200*F N/A 3.10 JE adequate subcooling margin does HQI exist, llM raise OTSG levels to 95% with EFW.
aMQ begin a cooldown at maximum rate.
3.12 JE RCS PRESS increases to =_2400 psig, I!E manually open the PORV to reduce RCS PRESS based on subcooling.
3.16 jf 0TSG PRESS decreases to s 100 psig t
AND Units 1/2 steam is.available,
. c'~') -
I E N supply EFP-2 from Units 1/2 steam.
4
, - ~.
AP-790 REV 06 PAGE 28 of 37 SB0
3.0 FOLLOW-UP' ACTIONS (CONT'D1
(
ACTIONS DETAILS 3.37 IE RCS make-up is 1
Ensure the tollowing valves established, are closed:
AND RCS letdown is desired, JJiG restore RCS letdown.
o MUV-49 o
MVV-50 e
MUV-51 2
Place desired letdown coolers in service:
1 Ensure SW cooling 2
Ensure MU inlet and outlet valves are open 3
Restore letdown flow:
1 Open MUV-49 2
Throttle Open MUV-51 to 7-~s, establish = 2.5 gpm each
(
).
minute for 20 minutes 3
Allow letdown temperature to stabilize for = 10 minutes 4
Open MUV-50 1
5 Throttle MUV-51 to establish desired letdown-flow.
4 i
3,38 Energize plant computer 1
Close Invertor " Battery Invertor VBIT-lE.
Input" Bkr.
2 Close Invertor "AC Output" Bkr.
3 Close. Invertor "AC Input" Bkr.
i 4
Verify normal Invertor AC output voltage of approximately 120V.
I
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AP-790 REV 06-PAGE 29 of 37 SB0 i
. 's.
Table 1:
Tsat. Monitor Adequate Subcooling Margin Reactor Coolant MARGIN ey c~-
> 1500-psig 30*F s 1500 to > 250 psig 50'F 1 250 to > 150 psig 70*F s 150 psig SPDS s 200*F N/A 3.10 Jf adequate subcooling margin does ELT exist, ItiB raise' OTSG levels to 95% with EFW.
AND begin a cooldown at maximum rate.
3.12 IE RCS PRESS. increases to =;2400 psig, JJiB manually'open the PORV to reduce RCS PRESS based on subcooF 19 3;16.J1 OTSG. PRESS decreases to s 100 psig
~ AND Units' 1/2 steam is available, l,N./~
.THEN supply EFP-2 fron Units 1/2 steam.
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AP-790-REV 06
-PAGE 30 of 37 SB0 t
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3.0 FOLLOW-UP ACTIONS (CONT'D)
ACTIONS DETAILS 3.39 Determine the operability GO T0 appropriate ops for plant of balance of plant systems operational guidance.
equipment and restore plant systems as required.
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AP-790 REV 06 PAGE 31 of 37 SB0
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AP-790
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x Supplying EFP-2 From Units 1/2 Steam
)
'-s 1.-
-Perform valve alignment o ASDT-1 valve alignment:
for ASDT 1 &-2.
Open ASV-93, Root Isol.
Open ASV-Il8, Inlet.
Close ASV-ll7., Outlet.
Fully open ASV-109 and blowdown through orificed 1
cap as required.
Close ASV-101, Bypass, o ASDT-2 valve alignment:
i Open ASV-94, Root Isol.
Open ASV-120, Inlet.
Close ASV-Il9, Outlet.
Fully open ASV-110 and blowdown through orificed cap as required.
Close ASV-102, Bypass.
2.
1E steam line up to ASV-18' Ensure Auxiliary Steam Tie-line Lis ILQI warmed, is drained of condensate prior
" f'N
.Iffti notify Unit 1/2 to. opening ASV-18.
/
Control Room to start s
. armup & pressurization.
w
- of steam line up to.
ASV-18. -.
3.
Perform warmup & pressurization 1
Close the following ASV between ASV-18 and'ASV-16 isolation. valves:
ASV-IS ASV-183 ASV-16 2
Throttle open ASV-18 one-turn off closed seat.
3 Ensure condensate removal via ASDT-1.
4 ILHfil steam PRESS is equalized arotnd ASV-18, IHEtt open ASV-18.
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AP-790 REV 06 PAGE 33 of 37 SB0
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AP-790 REV 06 PAGE 34 of 37 S00
Enclosure _1 (CONT'D) m.
7 "3 Supplying EfP-2 From Units 1/2 Steam 2-i.
4; Perform warmup & pressurization 1
Ensure closed ASV-33, of Auxiliary Steam Line to EFP-2.
2 Open ASV-23, 3
Throttle open ASV-15 one turn off closed seat.
4 WBfB steam PRESS is equalized around ASV-15, IBfB open ASV-15.
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'REV 06 PAGE 35 of 37 SB0
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- 1 AP-790-REV 06 PAGE 36 of 37 580
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$$ 't
> gim o (ool k e Curves e.
1 2600
-2400 o
2200 4.
2000 R
1800
+
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NDT CURVE 3
9 -1600
-i h..
to
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Q.
v 1400 m
g' w
ASCM
, CURVE 1200 d
w i6 E' 1000
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qg
-0 :-
g SATURATION cu
......R.vs
-g 800 t i a
600
- 400
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L200 w/
0
-100-200 300-400-500-600' 700
~
' RCSTEMPERATURE 'F -
p.,
1 cceptable region'is':-
A gry o below and to-..tl.e right of_tho HDT curve:
4).;
o above and-to the left of the Adequate Subcooling Margin curve
'f
-SB0 f~P-790;
. REV 06
.PA04 37 of: 37 A
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p.-(J ESA REV 20 DATE 06/29/92 AP-380
\\
ENGINEERED SAFEGUARDS ACTUATION 1.0 ENTRY CONDITIONS i
11 10.Y of the following conditions exist:
o Manual ES Actuation, o.
RB PRESS is > 4 PSIG, Il][lf use this procedure, t
l
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he.,,rm:nznt:373mO32WCSW*""8
~'l rwurnent F,tcuon Y [j NF u? 7t ATION ONL-
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_, n. t ocioar u o, mm-c-=== -
E This Procedure Addresses Safety Related Cor snents
,q
, 'v' Approved by NOS Mad /1.///l'((((_
Date 1-5 git i
by (Ndf I
AP-380 PAGE 1 of 67 ER
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AP-380 REV '20-PAGE 2 of 67.~
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2.0 IMMEDIATE ACTIONS
-(,,')
ACTIONS DITAllS m) 2.1 Ensure ES status lights are blue for the actuated systems.
CAUTION
\\
If RCPs have Hal been stopped within 2 min from the time that adequate subcooling margin was lost, IBIB RCPs must remain running to prevent core damage.
2.2 Verify adequate subcooling Adequate Subcooling Margin margin.
Reactor Coolant MARGIN If adequate subcooling margin does 801 exist,
> 1500 PSIG 30'F IHER stop all-RCPs.
1 1500 to 50'F
> 250 PSIG s 250 to 70'F
> 150 PSIG
/~
- ( j s 150 PSIG SPOS 5 200*F N/A O
AP-380 REV 20-PAGF 3 of 67 ESA
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'AP-380
- REV 20 PAGE.4 of 67 ESA-
l 3.0 FOLLOW-UP ACT1081
, -.(j ACTIONS DETAILS 3.1 Notify S0TA of plant conditions.
3.2 CONCURRENYLY PERFORM VP-580, Plant Safety Verification Procedure, beginning with Step 1.1.
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AP-380 REV. 20 PAGE 5 of 67 ESA
f -
Table 1: Tsat Monitor Adequate Subcooling Margin
,r s Reactor Coolar.t MARGIN l
l
'--).
c r
> 1500 PSIG 30*F i
s 1500 to > 250 PSIG 50'F 1 250 to > 150 PSIG 70'F 1 150 PSIG SPDS S 200'F N/A l
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AP-380' REV 20:
PAGE 6 of 67 ESA i
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3.0 FOLLOW UP ACTION 1.(&QNIiDJ
(,,
3 aLTIONS DETAllS x~ /
i CAUTION If RCPs have UQI been stopped within 2 min from the time that adequate subcooling margin was lost, IBEN RCPs must remain running to prevent core damage.
1 l
3.3 If, at any time while See Table 1 for adequate performing this procedure, subcooling margins.
adequate subcooling margin does HQI exist, IliES:
Stop all RCPs, Stop all RCPs and ensure Oil Lift pumps start.
Raise OTSG levels to Raise OTSG level to 95%:
95% using EFW,
- 1. Ensure both EFW trains are initiated.
- 2. Depress "95%" level select
("'S pushbuttons on OTSG (j
A and B.
Start full HPl.
Start full HPI:
1.
Open MVP suction valves from BWST:
o MUV-73 o MUV-58 2.
Ensure 1 2 MVPs and their cooling water pumps are operating.
- 3. Open all 4 HPI' valves:
MVV-23
___ MUV-24 MUV-25
___ MUV 26.
- {]
x-m AP-380-REV 20 PAGE 7 of 67 ESA-
e Table 1:
Tsat Monitor Adequate Subcooling Margin
< ~x Reactor Coolant MARGIN
)
> 1500 PSIG 30'F 1 1500 to > 250 PSIG 50'F
$ 250 to > 150 PSIG 70'F s 150 PSIG SPOS 1 200'F N/A 3.3 1E adequate subcooling margin does 1101 exist, 1110:
o Within 2 min, stop all RCPs, o Raise OTSG levels to 957. using EfW.
c Start full HPl.
.,- \\
d 1
. - ~
j AP 380 REV 20 PAGE 8 of 67 ESA
3.0 FOLLOW UP ACTIONS (CONT'Q1
,()
ACTIONS DETAILS 3.4 If adequate subcooling margin does HQI exist,
&MQ all RCPs have HQI been stopped within 2 min, IHEN reduce operating j
RCPs to 1/ loop.
..m 1.
_i UQlf IE HP1 flow is 2 200 gpm for an:' nozzle, as indicated on the narrow range HPI flow instrument, 1 HEN use the wide range HPl flow instrument for that nozzle on ES Section of Main-Control Board.-
3.5 If at anytime while 1.
Select the following to performing-this procedure
" BYPASS" on both A and B an HPI actuation is present, HPI channels:
IHEN bypass HPI actuation, aHQ balance HPI flows.
"HPI RCl" "HPl RC2" r~'
. ( )s "HPI RC3"
~
2.
Close HUV-27.
3.
LE 1 HPI line f'.ow indicates off scale high as indicated on the narrow range HPl flow instrument and is verified to be a high flow condition using the wide range L
indication, IBEN isolate the high line,
&NQ balance the other 3
- lines, if RQl, IBIN balance all 4 HPI lines.
, ' '\\m/
AP-380 REV 20 PAGE 9 of 67 ESA
Table 1:
Tsat Monitor Adequate Subcooling Margin s
.,r~ - ~
Reactor Coolant KARGIN s
> 1500 PSIG 30*F 1 1500 to > 250 PSIG 50'F s 250 to > 150 PSIG 70*F 1 150 PSIG SPDS 1 200*F N/A 3.3 If adequate subcooling margin does HQI exist, IHEN:
o Within 2' min, stop all RCPs, o Reise OTSG 1evels to 95% using EFW.
o Start full HPI.
As i
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AP-380
'REV 20 PAGE 10 of 67 ESA
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i 3.0 FOLLOW UP ACTIONS (CONT'D) c.
ACTIONS DETAILS non QL will not automatically actuate at 4 PSIG RB PRESS dur.ing a loss of off site power.
3.6 E, at anytime while performing
- 1. Reset LPI bistables:
4 this procedure, LPI actuation is present, RC4 in ACT. CHAN.
CAB #1 AliQ RCS pressure is > 500 PSIG RCS in ACT CHAN.
CAB #2 PIEH:
RC6 in ACT CHAN.
2.
STOP DHP-1A and DHP-1B l
Go to step 3.10 of this procedure.
i 3.7 E, at anytime while performing o Ensure DHV Il0 and 1']y this procedure, LPI actuation DHV Ill are operating is present, 611Q RCS pressure.
properly.
is < 500 PSIG 6EQ LPI flow is > 300 GPM / pump o Select the following to IHEH:
" BYPASS" on both A and B channels:
Ensure proper operation "LPI RC4" Bypass LPI actuation "LPI RC5" "LPI RC6" l
Go to step 3.10 of this procedure.
(-
V AP-380 REV 20 PAGE 11 of 67 ESA
l Table 1: Tsat Monitor Adequate Subcooling Margin g-Reactor Coolant MARGIN i
> 1500 PSIG 30'F i 1500 to > 250 PSIG 50*F i 250 to > 150 PSIG 70'F 1 150 PSIG SPDS s 200'F N/A 3.3 1[ adequate subcooling margin does RQI exist, ltiB:
o Within 2 min, stop all RCPs, o Raise OTSG 1evels to 95% using EFW, o Start full HPl.
.s 9
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AP-380-REV 20 PAGE 12 of 67 ESA
3.0 FOLLOW-UP ACTIONS (CONT'DJ jv)
ACTIONS DETAILS
,I I
T I
LQIL RCS pressure > 100 psig or LPI flow > 2,000 gpm could produce a DP > 100 psid across DHV 7 & 8.
DHV-7 & 8 may not open under these high DP conditions.
. i 3.8 1E at any time in this procedure 1.
Ensure one LPI train is ONE LPI pump is unavailable in operation.
MlQ LPI flow through BOTH LPI trains is desired 2.
Close the flow control 181B crossite the LPI trains valve on the unavailable LPl pump.
3.___ Reduce the DP across DHV-7 and DHV-8 with any of the following methods o
Ensure RCS pressure is <100 psig e-s o
Adjust the flow
(' ')
control valve on the operating LPI
' ~ ~
pump for < 2,000 gpm 4.___ Open the crosstie valves:
o DHV-7 o
DHV-8 5.
Balance flows to-the LPI trains o
Monitor DH-38-Fi for crossover flow.
o-Throttle DHV-5 and DHV-6 to balance flows.
o Adjust the flow control valve,on the operating LPI pump for the
\\s-)'
/
desired total flow.
F-AP-380 REV 20 PAGE 13 of 67 ESA
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. O AP-380-REV '_20 PAGE 14-of 67 ESA
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l 3.0 FOLLOW-UP ACTIONS (CONT'D)
(
)'
ACTIONS DLIalLS u,.
3.9 IF, at snytime while o
Select both A and B performing this procedure, channels to " BYPASS":
LPI has or should have
< 300 gpm/ pump, "LPI RC5" IR B perform the following:
"LPI RC6" 1
Ensure LPI status lights are blue o
increase LPI flow as follows:
2 Ensure LPI is After performing each step bypassed determine if LPI flow is > 300
~
3 Increase LPI flow 4
-GO TO Step 3.10 1E LPI flow develops > 300 gpm/ pump, llid GO TO Step 3.10 of this procedure.
1 Ensure DHV-110 and DHV-Ill are open.
()
2 Open the PORV, RCV-10.
3 3
Perform Step 3.13 in this procedure to-align HPI suction from LPI, Ilim REI@.H 10 this step.
4 Open High Point vents:
PZR vents RCV-159 RCV-160 Hot leg vents E
A-Loop B-Loop RCV-157 RCV-163 RCV-158
.RCV-164 l~})
'w AP-380 REV '20 PAGE 15 of 67 ESA
Table 1: Tsat.Honitor Adequate Subcooling Margin Reactor Coolant MARGIN
-s
. (
Y
> 1500 PSIG 30*F t 1500 to > 250 PSIG 50*F 1 250 to > 150 PSIG 70'F s 150 PSIG SPDS I 200*F N/A 3.3 1E adequate subcooling margin does @l exist, It[W:.
o Within 2 min, stop all RCPs, o Raise OTSG 1evels to 95% using EFW, o Start full HPI.
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's AP-380-REV 20 PAGE 16 of 67 ESA
.=
3.0 FOLLOW-UP ACTIONS (CONT'D1 b)
ACTIONS DETAllS v
l!Qll Only 2 out of 3 RB isolation actuation channels will bypass.
3.10 JJE RBIC actuation is o Select " BYPASS" on both A and B
- present, channels of RBIC:
1l101 perform the following:
__ "RB 150 RBl" 1
Ensure all RBIC
- "RB 150 RB2" status lights are blue "RB 150 RB3" 2
Bypass RBIC o Restore RCP services:
3 1E RCPs are running, 1 ___ Select OPEN on the "ES THEN restore RCP TRAIN (B) !JON-ESSEN.
services.
VALVES" switch l
2 Open RCP controlled bleed-off valves:
,-(j MUV-253
__ MUV-25B MUV 259 MUV-260 MUV-261 g-L,1 AP-380 REV 20 PAGE 17 of 67 ESA
Table 1:.Tsat Monitor Adequate Subcot. ling Margin Reactor Coolant MARGIN
(
> 1500 PSIG 30*F 1 1500 to > 250 PSIG 50'F 1 250 to > 150 PSIG 70'F I 150 PSIG SPDS s 200'F.
N/A j
3.3 jf. adequate subcooling margin does @l exist, IllEN:
o Within 2 min, stop all RCPs, o Raise OTSG 1evels to 95% using EFW, o Start full HPl.
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QJ AP-380 REV 20
-PAGE 18 of 67 ESA
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3.0 FOLLOW-UP ACTIONS (CONT'D1 i
)-
AC110NS DETAILS 3.11 1E RB Spray actuation o Ensure BSV 3 and BSV 4 are is present, regulating flow at 1500 to Idt3 ensure proper RB 1600 gpm.
Spray flow AND isolate BST-1 as o if either BSP does HQI start, required.
1HfB close discharge valve on affected pump:
o BSP 1A:
BSV-3 o BSP 18:
BSV-4 o 1E RCS PRESS > 200 PSIG, IBIN isolate BST-1, o Close BSV-Il and BSV-12 s
(^)'
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P L
y\\U AP-380 REV 20 PAGE 19 of 67 ESA s
Table 1:
Tsat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN
-^-s
')
> 1500 PSIG 30'F s 15 to > 250 PSIG 50*F s 250 to > 150 PSIG 70*F 1 150 PSIG SPDS 1 200*F N/A 3.3 If adequate subcooling margin does HDI exist, IllW:
o Within 2 min, stop all RCPs, o Raise OTSG 1evels to 95% using EFW, o Start full HPl.
l 1
R.]
LJ AP-380 REV 20 PAGE 20 c7 67 ESA
'l I '
II ll lil
____._m________
.______,___._.___m__
3.0 FELLOW-UP ACTIONS (CONT'D)
(m)
~ ACTIONS DETAILS CAUTION l
Steps 3.12 and 3.13 must be completed to prevent RB WATER LEVEL from reaching 5' to preclude degrading instrument transmitters.
- 4.*******************************s CAVT103 Due to MVV-62 being normally closed, both DH trains are required to be in operation to ensure suction to all MVPs.
l 3.12 1E at any time while 1.
Ensure flow exists in both performing this procedure, LPI trains RB WATER LEVEL indicates 1 2.2',
2.
Throttle LPI flow for each l
IHfu transfer LPI pump running LP! pump to = 2000 suction from the BWST to gpm using DHV-5 and DHV-6 the RB sump eBD isolate BST-1.
3.
Ensure 1200 gpm and
" LOCAL" are selected for:
/'~T
(,)
o BSV-3 o BSV-4 4.
o DHV-42 o DHV-43 5.
WHEN RB sump outlet valves indicate open, IBM close BWST outlet valves:
o DHV-34 o DHV-35 6.
Close BST 1 outlet valves:
o BSV-12 o BSV-Il AP-380 REV 20 PAGE 21 of 67 ESA
Table 1:
Tsat Monitor Adequate Subcooling Margin Reactor Coolant.
MARGIN
-;\\
/
> 1500 PStr 30*F s 1500 to > 250 PSIG 50'F 1 250 to > 150 PSIG 70'F s 150 PSIG SPDS 1 200'F N/A 3.3 1E adequate subcooling margin does HQI exist, IEES:
o Within 2 min, stop all RCPs, o Raise OTSG levels to 95% using EFW, o Start full HPI.
A i
i 6
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AP 380 REV 20 PAGE 22 of 67 ESA w
3.0 FOLLOW-UP ACTIONS (CONT'D)
,- m()
ACTIONS DETAILS CAUTION Due to MUV-62 being normally closed, both DH trains are required to be in operation to ensure suction to all MVPs.
3.13 WHEN LPI suction is 1.
Open:
QB as directed by Step 3.9, o DHV-11 IB1H establish HPl suction o DHV-12 from LPl.
2.
Close:
Continue on in this o MUV-73 procedure.
o MUV-58 B011 If loss of subcooling was due to an overcooling event, IBIH OTSG PRESS control should be regained prior to raising OTSG level.
?
!'~
3.14 IE ES actuation is due to Observe for:
an overcooling event, IBEH determine cause, o
Low OTSG PRESS, AND stop overcooling, o
High OTSG level, o
SPDS trace indicating overcooling.
j%
l L.)
l AP-380 REV 20 PAGE 23 of 67 ESA
i Table 1:
Tsat Monitor Adequate Subcooling Margin
,q Reactor Coolant MARGIN
> 1500 PSIG 30'F s 150b to > 250 PSIG 50*F s 250 to > 150 PSIG 70*F
)
s 150 PSIG SPDS s 200'F N/A 3.3 If adequa' subcooling margin does 1101 exist, IllIB:
o Within 2 min.stop all-RCPs, o Raise OTSG levels to 95% using EFW, o Start full HPl.
' 3 ~.12 11 RB WATER LEVEL indicates 2 2'2" (3
-3.13 It!EH transfer LPI suction to RB sump
()
6)!Q establish HPI suction from LPl.
Table 2: Required 0TSG Levels Condition Level
. Inadequate subcooling margin-95%
No.RCPs 65%
- and adequate su'ocooling margin
- RCPs-Low Level and adequate subcooling margin Limits l'
lf)
\\_ /
AP-380 REV 20 PAGE 24 of 67 ESA
3.0 F0ll0W UP ACTIONS (CONT'0)
[]
ACTIONS DETAllS 3.15 Isolt.te possible sources 1.
Isolate the following:
of low RCS PRESS.
o E the PORV is LQI required to be opened, JJim close RCV-ll, t
PORV '> lock.
1 i
o Close the following letdown coolers inlet valves:
HUV-38, HUV 39, HUV-498.
o Close RCV-13, PZR spray block valve.
o Ensure DHV-3 is closed.
2.
Roopen PS,V-Il while observing RCS PRESS.
O T'")
3.
IE desired, ItiG restore letdown path while observing RCS PRESS.
4.
E desired, Iti@ open-RCV-13, PZR_ spray block valve, while observing RCS PRESS.
J,N L) ^
.AP-380-REV 20 PAGE 25 of 67 ESA
a i
-Table 1:
Tsat Monitor Adequate Subcooling Margin
,A Reactor Ccolant MARGIN
'v) -
f
> 1500 PSIG 30'F 1 1500 to > 250 PSIG 50'F s 250 to > 150 PSIG 70'F s 150 PSIG
$PDS S 200'F N/A 3.3 1E adequate subcooling margin does 1101 exist, IEG:
o Within 2 min, stop all RCPs, o Raise OTSG levels to 95% using EFW, o Start full HPl.
-l 3.12 1E RB WATER-LEVEL indicates.2 2'2"
,q 3.13 IH M transfer LPI suction to RB sump
)
aliQ establish HPI: suction from LPl.
ts Table 2: Required 0TSG Levels Condition Level Inadequate subcooling margin.
95%
No RCPs 65%
.and adequate subcooling margin RCPs-
-Low tevel and. adequate subcooling margin Limits
- (
.'s I
AP-380' REV 20 PAGE 26 of 67-ESA
3.0 FOLLOW-UP ACTIONS (CONT'D)
- I'^)
ACTIONS DETAILS LJ CAUTION 1E adequate subcooling margin does 801 exist, 1818 OTSG 1evels must continuously increase until 95% is reached to ensure adequate heat removal.
CAUTION If adequate subcooling margin does 801 exist, AND EFIC level control is in manual, l
1 DEN EFW flow must be maintained > 200 gpm to each OTSG that is being controlled in manual to ensure adequate heat removal.
j 1
80Il High RB-TEMP may cause level instrumentation located inside the RB to read 10% higher than actual.
n HQIf I
\\-'
EFP-1 will automatically. trip upon actuation of LPI coincident with a loss of off-site power.
HQlE EFIC control valves will not feed the OTSG until the EFIC setpoint ramps up to meet actual OTSG level.
3.16 Ensure EFW is actuated See Table 2 for required 0TSG and selected to required levels.
0TSG setpoint.
1E EFW and MFW are HQI available, IBfB GO TO Step 3_4? in Begin HPl/PORV cooling.
this procedure.
IE EFW is HQI ava.able, Itf1N CONCURRENTLY PF.RFORM AP-450. EFW Actuation, beginning with Step 3.9.-
nk 1wJ
-AP-380 REV 20 PAGE 27 of 67 ESA y
---,wr m
Table 1:
Tsat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN 7:(
1
's
> 1500 PSIG 30'F s 1500 to > 250 PSIG 50*F s 250 to > 150 P51G 70'F s 150 PSIG SPDS 1 200*F N/A I 3.3 1E adequate subcooling margin does NOT exist, Itiffi:
o Within 2 min, stop all RCPs, o Raise OTSG 1evels to 95% using EFW, o Start full HPI.
3.12 lE RB WATER LEVEL indicates 1 2'2" m
3.13 Tlifdl transfer LPI suction to RB sump Q
a!!D establish HP1 suction from LPI.
. Table 2: Required 0TSG Levels Condition Level Inadequate subcooling margin 95%
No RCPs 65%
and adequate subcooling margin RCPs low Level and adequate subcooling margin Limits fr.
'O l
AP-380 REV 20 PAGE 28 of 67 ESA
t,1 3.0 FOLLOW UP ACTIOMS (CONT'D1 J
ACTIONS DETAILS
~-
3.17 1F. CFTs have emptied, 1.
Notify AB operator to 1B18 isolate CFTs, remove locks and close Bkrs l
6ND GO TO Step 3.34 in for CFT isolation valves at this procedure.
ES MCC-3AB:
o
7-5 e
J 6 2.
Close:
o CFV-5 o CFV-6 3.18 If at any_ time while if adequate subcooling margin performing-this procedure, does NOT exist, RCS PRESS is > 2400 PSIG, IHEN open PORV to reduce RCS IBIN reduce RCS DRESS PRESS until Tincore = 50*F > OTSG based on subcooling Tsat.
margin.
1E adequate subcooling margin
t
')
o RC PRESS = 100 PSIG > adequate subcooling margin curve QE o
RCS PRESS = 1600 PSIG TIE PORV is HQI available, o-PZR vents:
IBIN use PZR vents to lower RCS PRESS.
o RCV-159 o
RCV-160.
,~.
-I AP-380 REV 20 PAGE 29 of 67 ESA
m r
Table-1:. Tsat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN 7
k./
> 1500 PSIG 30'F s 1500 to > 250 PSIG 50'F s 250 to > 150 PSIC 70'F s 150 PSIG SPDS 1 200*F N/A.
3.3 lE adequate subet e.a margin does El exist, J11Eti:
o Within 2 min, stop all_ RCPs, o Raise OTSG levels to 95% using EFW, o Start full HPl.
3.12 IE RB WATER LEVEL indicates 2 2'2"
. r~s 3.13-lllEH transfer LPI suction to RB sump (f
_ AM establish HPI' suction from LPl.
Table.2:. Required 0TSG Levels Condition level Inadequate subcooling margin-95%
No RCPs=
E',% '
and adequate subcooling margin RCPs low Level and adequate subcooling margin.
Limits l'
3.18~ IE-RCS, PRESS is > 2400 PSIG, It! Ell reduce RC PRESS based on subcooling margin.
(/
AP-380 REV-20 P'GE 30 of 67 ESA
3.0 FOLLOW-UP ACTIONS (CONT'D)
/~'))
ACTIONS DETAILS q-'
CAUTION HPI flows must not be throttled to < 100 gpm/ pump with MVP recirc valves closed, to prevent pump damage 3,19 1E HPI throttle requirements o
MVP recirc valve operation:
are met, o
MVP recirc valves are IHEN throttle HPI as NOT required to be open required.
when throttling HPI to prevent pump runout.
o MVP recirc valves must be opened prior to throttling HPI to < 100 gpm/ pump.
o MVP recirc valves:
o MOV-53 o MUV-257.
o HPI throttle requirements:
o HPI must be throttled to maintain subcooling
<-~g margin < 100'F when no
'( )
RCPs are operating.
o LE adequate subcooling exists based on incores, THEt HPI must be throt-tlec to maintain RCS PRESS and TEMP below the NDT curve, see SPDS or.
o HPI must be throttled to maintain HPI flow
< 540 gpm/ pump.
o HPI should be throttled to maintain PZR level 80" to 220" WHEN adequate sub-cooling margin exists based on incores.
o HPI may be throttled when adequate subcooling margin exists based on incores.
x_/
AP-380 REV 20 PAGE 31 of 67 ESA
^
1.
{
V*
Table 1: Tsat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN i
1-U
> 1500 PSIG-30*F s 1500 to > 250 PSIG 50*F 1 250 to > 150 PSIG 70*F 1 150 PSIG SPDS s 200*F.
N/A 3.3 E adequate subcooling margin does NOT exist, JfB:
3.12' E RB WATER LEVEL indicates > 2'2" 3.13 IliM transfer LII suction to RB sump A_N.Q establish HPI suction froin LPI.
.,,--s
)
-l 3.18 E RCS PRESS. is > 2400 PSIG, 1113 reduce RC PRESS based on subcooling margin.
j-3.19 E HPI throttle requirements are met, IIHM throttle HPI flows as required.
0 HPI must be throttled to maintain subcooling margin-
< 100*F'when no RCPs are operating.
o E adequate subcooling margin exists based on incores 1113 HPI must be throttled to maintain RCS PRESS and TEMP
.below NDT curve, o - HPI must be throttled to maintain HPI flow < 540 gpm/ pump.
o HPI should be throttled to maintain PZR level 80" to 220" WHEN adequate subcooling margin exists based on incores...
)
o HPI may be. throttled when adequate subcooling margin exists-based on incores.
f3 AP-380 REV. 20 PAGE 32 of 67 ESA
3.0 FOLLOW-UP ACTIONS (CONT'D)
ACTIONS DETAILS 3.20 WBf3 either OTSG PRESS is Depress "< 725 PSI OTSG PRESS
_between 725 and 600 PSIG, EFIC ACT. BYPASS" pushbuttons:
1813 bypass EFIC MS and MFW isolation actuations.
Channel A Channel B Continue on in this Channel C Channel D.
procedure.
E91R Subcooling margin should be closely observed after starting each RCP.
3.21
_1E, at any time while o
RCPs are available when all performing this procedure, the following exist:
RCPs are available, AND 11 OTSG is available, o
RCP start permissives are IEEH start 1 RCP in each
- met, loop.
M 2 RCPs in 1 loop o
RCS PRESS and TEMP are above RCP NPSH curves, see SPDS or
t.~)
AND OTSGs are NOT available, IBEM start 1 RCP.
o Adequate subcooling margin, see Table 1.
o OTSGs are available when all the following exist:
l 0
EFW or MFW or AFW available, o
TBVs or ADVs available, o
OTSG integrity, o
Establish RCP-1B operating for maximum PZR spray.
Ab AP-380 REV 20 PAGE 33 of 67 ESA
r d
3.3-E adequate subcooling margin'does HQI exist, le~y
-M:
+
t
~
^'#
o Within 2 min, stop all RCPs, o-Raise OTSG levels to 95% using EFW, o Start full HPI.
3.12 IE RB WATER LEVEL indicates 2 2'2" 3.13 ~ M transfer LPI suction to RB sump MQ establish HPI suction from LPI.
l 3.18-IE RCS PRESS is > 2400 PSIG, M reduce RC PRESS based on subcooling margin.
l_
3.19 IE HPI throttle requirements are met, M throttle HPI flows as required, o
HPI must be throttled to maintain subcooling margin fx,.
< 100'F when no RCPs are operating, V
o IE adequate subcooling margin exists based on incores M HPI must be throttled to maintain RCS _ PRESS and TEMP below NDT curve,
~
o HPI must be throttled to maintain HPI flow < 540 gpm/ pump.
o HPI should be throttled to maintain PZR level 80" to
.220" WHEN adequate subcooling margin exists based on
- incores.
o--
HPI_may be throttled when adequate subcooling margin
- exists based on incores.
l 3.21. H RCPs are available, MQ OTSGs are available, M start 1 RCP in.each loop.
-.1E RCPs are available, AND OTSGs are NOT available, M start 1 RCP.
f%.
N.]-
l
_AP-380 REV 20 PAGE 34 of 67 ESA
- f' b
s.;
- 3'.0 ? FOLLOW-UP ACTIONS" f CONT'D) h ACTIONS DETAILS' f
f- ~,;
E3.?'
1 Erat any time while Nat Circ is desired when 111 of
~=
performing-this procedure, the following conditions existi adequate subcooling margin-tis established, o
RCPs are HQI available,
- AND Nat Cire is desired, IEEN CONCURRENTLY; PERFORM o
21 OTSG is available.-
.AP-530s:Nat Circ,.
~
- beginning at Step 3.5.
3.23.
- Tsat 40-to 60*F below ADVs.
incore TEMP-until OTSG heat - removal 11 s - established.
~
-3.241 1E adequate subcooling
.RCPs-should be bumped when all margin does.HDI exist,-
of-the following conditions
' AMQ.RCSLcooldown rate exist:
- is- < desired,.
181H determine if RCPs-o RCS-cooldown rate is 1should be: bumped.
< desired.
d7 v; o
RCP ' power.is available, o
All RCP. start permissives-are met.
f
, :+
h h
n O
I AP-380:-
REVI~20 PAGE 35 of 67 ESA b.
3.3 E adequate subcooling margin does @I exist,
,c M:
~
o Within 2 min, stop all RCPs, o Raise OTSG levels to 95% using EFW, o Start full HPI.
3.12 lE RB WATER LEVEL indicates 1 2'2" 3.13 M transfer LPI suction to RB sump a@ establish HPI suction from LPI.
l 3.18 IE RCS PRESS is > 2400 PSIG, M reduce RC PRESS based on subcooling margin.
l 3.19 E HPI throttle requirements are met, M throttle HPI flows as required, o
HPI'must be throttled to maintain subcooling margin
< 100'F when no RCPs are operating.
('T o
IE adequate subcooling margin exists based on incores (f
IllEM HPI must be throttled to maintain RCS PRESS and TEMP below NDT curve,
~
o HPI must be throttled to maintain HPI flow < 540 gpm/ pump.
o HPI should be throttled to maintain PZR level 80" to 220" WiEN adequate subcooling margin exists based on J
incores.
o HPI may be throttled when adequate subcooling margin exists based on incores.
l 3.21 lE RCPs are available, AND OTSGs are available, THEN start l' RCP in each loop.
lE RCPs are available, AND OTSGs are NOT available, M start 1 RCP.
O'w)
I AP-380 REV 20 PAGE 36 of 67 ESA l
3.0 FOLLOW-UP' ACTIONS (CONT'D)
[]
ACTIONS DETAILS N/
EQlE HPl flow may affect the indications of Nat Circ.
H0lE Subcooling margin should be closely observed after each RCP bump.
EDlE EFIC will automatically select low level limit control of 0TSG level when any RCP is started.
8901E Bumping RCPs may result in OTSG pressure swings which could cause HS/MFW isolation actuation.
3.25 IE RCPs should be bumped, o
To bump a RCP, start it, IBEH bump RCPs at = 15 min wait for current to drop off intervals and observe for to normal, then stop it.
saturated Nat Circ after
'~
(,N)-
each bump.
o First RCP bump should be in the loop with the highest OTSG level, o
Balance the bumps between available RCPs.
o-Record the times of the RCP bumps.
o Indications of saturated Nat Circ are:
o Tc = Tsat of 0TSG, o
Tc and incores lower when OTSG PRESS is lowered.
l-AP-380 REV 20 PAGE 37 of 67 ESA
an 3.3 -If adequate subcooling margin does NQI exist,
?-4 IBEU:
~ (
L
-?
o Within 2 min, stop all RCPs, o Raise OTSG levels to 95% using EfW, o Start. full HPI.
3.12 1E RB WATER LEVEL' indicates l'2'2" 3.13 181H transfer LPI suction to RB sump 6ND establish HPI suction from LPI.
l 3;18 1E RCS PRESS is > 2400 PSIG, IHEN reduce RC PRESS based on subcooling margin.
l 3.19 IE'HPI throttle requirements are met, IHEN throttle HPI flows as required.
o HPI must he throttled to maintain subcooling margin
< 100*F when no RCPs are operating.
77)-
o-if adequate-subcooling margin exists based on incores s, '
IEEH HPI must be throttled to maintain RCS PRESS and TEMP below NDT curve.
o HPI_ must be throttled to maintain _HPI-flow < 540 gpm/ pump.
o HPI should be throttled to maintain PZR level 80" to
-220" WHEN adequate subcooling margin exists. based on
- incores, o
-HPI may be throttled when1 adequate subcooling margin s
exists based <ni incores.
l 3.21 jui RCPs are available, AND 0TSGs are available, IEEH start l'RCP in each loop.
If RCPs are available,
- AND'0TSGs are NOT available, IHEH start 1 RCP.
..s s)
AP-380 REV 20 PAGE 38 of 67 ESA
w 3.0- FOLLOW-UP-ACTIONS fCONT'D)
R[
JACTIONS~
DETAILS
'V F
L3l26 1E OTSG heat removal is.
1.
Ensure PORV is closed.
p'
-established, ItiEN ensure PORV.
2.
Verify PORV closed using is-closed,-
ultrasonic flow E ensure PZR vents indication.
.are closed.
}'
3.
-Ensure PZR vents are closed o
RCV-159 4
o RCV-160.
=***********************************************************.******************
CAUTION HPI flow must not be throttled to < 100 gpm/ pump with MVP recirc
- valves clo:;ed, to prevent pump damage.
'*******k**********************************************************************
3.27-
.JE RCS cooldown can be RCS,Cooldown Rate Limits:
controlled,.
JJiES maintain RCS cooldown
.RCS TEMP 'F LIMIT within limits.
Normal
> 280---
s 50'F \\hr
- r %
~
~. ' f 280 to 150
-1 25'F %hr
's-150 1 10'F/hr 1Nat
- > 280 1 10*F/hr Circ 280 to 150- -s 5'F/hr
.s-150 s 2.5'F/hr-
' Enclosure 3 s 50'F/hr.
-Tube:
Table 3 Leak Maintain RCS cooldown rate:
o Throttle TBVs-or ADVs.
o-Throttle EFIC control valves, o
1E-adequate subcooling n
margin exists, IllEH throttle HPI' flows.
R
'AP-380
>REV. 20 PAGE 39 of 67 ESA
1E adequate subcooling margin does NOT exist, 3.3 ltiG: -
o Within 2 min, stop all RCPs, o Raise OTSG levels to 95% using EFW, o Start full HPl.
3,12 lE RB WATER LEVEL indicates 1 2'2" 3,13 JJi@ transfer LPI suction to RB sump E establish HPI suction from LPI.
l 3.18 IE RCS PRESS is > 2400 PSIG, ItiG reduce RC PRESS based on subcooling margin.
l 3.19 1E HPI throttle requirements are met, J]i@ throttle HPI flows as required, o
HPI must be throttled to maintain subcooling margin
< 100*F when no RCPs are operating.
r~g o
IE adequate subcooling margin exists based on incores i j s
]h@ HPI must be throttled to maintain RCS PRESS and TEMP below HDT curve.
o HPI must be throttled to maintain HPl flow < 540 gpm/ pump.
o HPI should be throttled to maintain PZR level 80" to 220" WjiG adequate subcooling margin exists based on incores.
o HPI may be throttled when adequate subcooling margin exists based on incores.
l 3.21 LE RCPs are available, E OTSGs are available, ItiB. start 1 RCP in each leop, lE RCPs are available, E OTSGs are NOT available, It!G start 1 RCP.
O-tm,/
AP-380 REV 20 PAGE 40 of 67 ESA
3.0 FOLLOW-UP ACTIONS-(CONT'D)
ACTIONS _
DETAILS
-(
)
3.2B-IE RCS PRESS lowers to 1.
Notify AB Operator to 700 PSIG, remove locks and close 6ND adequate subcooling Bkrs for CFT isolation margin exists, valves at ES MCC 3AB.
IEEN isolate CFTs, AND bypass LPI actuation.
2.
Close:
o CFV-5 o CFV-6.
3.
Select the following to
" BYPASS" on both A and B LPI channels:
LJ l
i i
,~
- j AP-380
.REV 20 PAGE 41 of 67 ESA I
t
3.3 E adequate subcooling margin does HQ1 exist, 7_: -
Ig[H:
'v)/
a o Within 2 min, stop all RCPs, o Raise OTSG levels to 955' using EFW, o Start full HPI.
3.12 - E RB WATER LEVEL-indicates 2 2'2" 3.13 IEEH transfer LPI suction to RB sump MQ establish HPI suction from LPI.
i 3.18 E RCS PRESS is > 2400 PSIG, IBfB reduce RC PRESS based on subcooling margin.
l 3.19 E HPI throttle requirements are met, IBEH throttle HPI flows as required, o
HPI must be throttled to maintain subcooling margin-
< 100*F when no RCPs are operating.
n(j o.
E adequate subcooling margin exists based on incores IBEH HPI must be throttled to maintain RCS PRESS and TEMP below NDT curve..
o HPI must be throttled to maintain HPI flow < 540 gpm/ pump.
o HPI should be throttled to maintain PZR level 80" to 220" WHEN adequate subcooling margin exists based on-incores.
o HPI may be throttled when adequate subcooling margin exists based on incores.
.l 3.21 E RCPs: are 'available,
~
MQ OTSGs are available, IBER start 1.RCP in each loop.
R RCPs are available, MQ OTSGs are NOT available, IdEH start I-RCP.
,o -
r l
AP-380 REV 20 PAGE 42 of 67 ESA
4 3.0 FOLLOW-UP ACTIONS (CONT'D)
ACTIONS DLIflui 3.29 If conditions exist to o
Stop HPI if all of the stop HPI, following conditions exist:
IHEN:
o Adequate subcooling margin, o
PZR level is 2 50",
o OTSG heat removal, o
Leak is within normal make-up capabilities.
1.
Ensure PORV closed, o
PORV is RCV-10 2.
Ensure PZR vents are o
PZR vents:
- closed, o RCV-159 o RCV-160 3.
Stop HPl.
o Stop HPI:
1.
Ensure MUV 27 is open, 2.
Ensure MVP recirc valves are open, o MUV-53 o MUV-257 3.
___ Close all HPI injection valves:
MUV-23 MUV-24 MUV-25 MUV-26 4.
Ensure 2 1 MVP in service.
3.30 if EF Tank is < 3 ft, lHEN CONCURRENTLY PERFORM AP-450, EFW Actuation, beginning with Step 3.18.
3.31 1E PZR bubble is desired, THEN refer to OP-305, Operation of the PZR, Section 4.2.
~.
/
AP-380 REV 20 PAGE 43 of 67 ESA
3.3 lE adequate subcooling margin does NOT exist, rv M:
' b')-
f
-_o Within 2 min, stop all RCPs, o Raise OTSG levels to 95% using EFW, o Start full HPI.
3.12-E RB' WATER LEVEL indicates 2 2'2" 3.13 M transfer LPI suction to R8 sump 6@ establish HPI suction from LPI.
l 3.18 lE RCS PRESS-is > 2400 PSIG, M reduce RC PRESS based on subcooling margin.
l 3.19 -1E HPI throttle requirements are met, M throttle HPI flows as required.
o HPI-must be throttled to maintain subcooling margin
< 100*F when no RCPs are operating.
.,r
' (,y/
_o E adequate subcooling margin exists based on incores M HPI must.be-throttled to maintain RCS PRESS and TEMP below NDT curve.
01 HPI must be throttled to maintain HPI flow < 540 gpm/ pump.
' o'-
HPI should be throttled to maintain PZR level 80" to 220" WHEN adequate subcooling margin exists based'on-
-incores, o
HPI may be_ throttled when adequate subcooling margin exists based.on incores.
.l 3.21L lE RCPs are available, 6NS OTSGs are available, E start 1 RCP in each-loop.
E RCPs are available, AND-0TSGs are NOT available, M start: 1 RCP.
_p.
t,
.AP-380-REV-20 PAGE 44 of 67 ESA
3.0 FOLLOW-UP ACTIONS (CONT'D)
) ()
ACTIONS DETAILS 3.32 1E cooldown is on 1 OTSG, o
Tube to Shell AT equals IBEH ensure tube to shell Avg of 5 OTSG shell AT < 100*F on isolated thermocouples minus.Tc.
OTSG.
o Computer points are R-773 and R-774.
o Feed and steam 0TSG to maintain tube to shell AT within limits.
3.33 If EDGs are 801 energizing 1.
Ensure HPI is bypassed or the ES busses, reset IBEM stop EDGs.
2.
Depress the STOP pushbutton for the affected EDGs 3.34 IE boron concentration of
(/)
RB sump could have been diluted by significant s,
steam or FW leaks in the RB, IBEH notify Chemistry to l
sample RB-Sump.
s
/
O AP-380 REV 20 PAGE 45 of 67 ESA
3.3 E. adequate subcooling margin does NOT exist, M:
.,y.
+;
'w '
.o Within _2 min, stop all RCPs, o Raise OTSG-levels to 95% using EFW, o Start full HPI.
3.12 E RB WATER LEVEL indicates 2 2'2" 3.13 111M transfer LPI suction to RB sump E establish HPI suction from LPI.
l-3.18 E RCS PRESS is > 2400 PSIG, J11G reduce RC PRESS based on subcooling margin, i
l 3.19' E HPI throttle requirements are met, 1116 throttle HPI flows as required.
o HPI must be throttled to maintain subcooling margin
< 100'F when no RCPs are operating.
n i");
o E adequate subcooling margin exists based on incores JHQ HPI must be throttled to maintain RCS PRESS and TEMP below NOT curve.
o HPI must be throttled to maintain HPI flow < 540 gpm/ pump.
o HPI should be throttled to maintain PZR -level 80" to 220" WHEN adequate subcooling margin exists based on incores.
o HPI'may tithrottled when-adequate subcooling margin exists based on incores.
ll-3.21 E RCPs are available,
- E OTSGs are available, ItiG start 1 RCP in each loop.
H RCPs are available, E OTSGs are NOT available, JJiG start 1 RCP.
f~4
%)
AP-380 REV 20 PAGE 46 of 67 ESA
~ - - _.
s.-
' 3 '. 0 FOLLOW-OP ACTIONS fCONT'D)-
['If
.ACTIONSL DETAILS
~-q-
{AUTION HPI' flow must HQI be throttled < 100 gpm/ pump'with MVP rectre valves Lelosed, to prevent pump damage..
1******************************************************************************
3.35 L 1E LPILflowLis > 1000-gpm per~in.iectioni:line for
'for 1 20: min.
IBEN:
- StopsHPI, Stop HPI:
Ensure PORV is-closed, 1.
2.
Close all HPl
" Low Range",
. injection valves:
MUV-23 MUV-24 MUV-25 MUV-26 3.
___ Open MVP recirc valves:
i
)
-o MUV-53 o -MUV-257 Isolate CFTs.
Isolate CFTs:
1.
Notify. AB operator to remove locks and close:Bkrs for CFT isolation valves'at ES MCC-3AB:
x oi CFV o.. CFV-6.
z 2.
Close:
e o
CFV-5 o CFV-6..
- Ensure all: high. point Ensure closed:
ventsfare closed.
RCV-159 RCV-160 RCV-157 RCV-158 RCV-163 RCV-164.
K7 L)
._AP-380 REV 20 PAGE 47 of 67 ESA yg,
I s w-w
+
r
,erv w
L nW_
3.3 1E adequate subcooling margin does NOT exist, ldEU:
2400 PSIG, IB1H reduce RC PRESS based on subcooling margin.
l 3.19 IE HPl throttle requirements are met, 1
lbEH throttle HPI flows as required.
o HPI must be throttled to maintain subcooling margin
< 100*F when no RCPs are operating.
fs!,'-)
o IE adequate subcooling margin exists based on incores IBfB HPI must be throttled to maintain RCS PRESS and TEMP below NDT curve.
o HPI must be throttled to maintain HPI flow < 540 gpm/ pump.
o HPI should be throttled to maintain PZR level 80" to 220" WHEN adequate subcooling margin exists based on incores.
o HPI may be throttled when adequate subcooling margin exists based on incores.
l 3,21 1E RCPs are available, 6HD OTSGs are available, IEEH start 1 RCP-in each loop.
-lE RCPs are available, AND OTSGs are HQI available, 181H start 1 RCP.
A L]
AP-380 REV 20 PAGE 48 of 67 ESA
-3.0 FOLLOW-UP ACTIONS (CONT'Q1 7
~s ACTIONS DETAILS
/
3.36 If adequate subcooling Refer to OP-404,Section 4.12.
Decay Heat s
margin exist, trains are Removal System, AND both LPI available THEN establish 1 LPI train in the DHR mode.
Stop MFW, EFW and AFW supp ying core pumps Cool ng, THEN sto 2.
Ensure the following 7 coo ing,p OTSG valves are closed:
Continue on in this procedure.
l l
MBV FWV-30 FWV-29 l
LLBV FWV-31 FWV-32 l
SUCV FWV-40 FWV-39 Ms to FWV-55 FWV-56 MSRs MS to MSV-53 MSV-54 TBVs AND
_'N MFWPs
. \\'
)
~ '~'
EFW EFV-Il EFV-32 BLOCK EFV-14 EFV-33 VALVES AFW Iso.
FWV-222 FWV-223 VALVES 3.38 WHEN RB PRESS is < 10 PSIG 1.
Stop BSP-1A and BSP-1B.
and not rising.
-l IBfB stop RB sp, ray.
2.
Select LOCAL THEN close c/ MANUAL, lves:
ontrol va Continue on in this procedure, o
BSV-3 o
SSV-4 3.
Depress "HPI SEAL IN RESET" pushbuttons on both ES channels.
4.
IF RB PRESS increases to TU PSIG, IHfH reestablish RB spray.
AP-380 REV-20 PAGE 49 of 67 ESA
.m 3.3 If adequate subcooling margin does ((QI extst, n
M:-
_ o Within 2 min, stop all RCPs,
-o Raise OTSG levels to 95% using EFW, o Start' full HPI.
3.12 If RB WATER-LEVEL indicates 1 2'2" 3.13 IH_18 transfer LPI suction to RB sump 68Q establish HPI-suction from LPI.
l_
3.18 1E RCS PRESS is > 2400 PSIG, M reduce RC PRESS based on subcooling margin.
l-3.19 If HPI throttle requirements are met, M throttle HPI flows-as required.
o HPI must be throttled to maintain subemifng margin
< 100*F when no RCPs are operating.
q o
if adequate subcooling margin exists based on incores
. v~.
M HPI must be-throttled to maintain RCS PRESS and TEMP below NOT curve, o'
.HPI must be throttled to maintain HPI flow < 540 gpm/ pump.
o HPI should be throttled to maintain PZR level 80" to 220" WHEN adequate.subcooling margin exists based on incores.
o HPI may be-throttled when adequate subcooling margin exists based on incores.
l 3.21-JE RCPs are available;
lf RCPs are available, AND OTSGs 'are NOT available, THEN-start.1 RCP.
g :
N[
.AP-380-REV 20 PAGE 50 of 67 ESA
3.0 FOLLOW-UP ACTIONS (CONT'D)
,s l ACTIONS DETAILS
(~~-)
HQ.Tl RB Cooling Fans should stay in operation until RB H levels.are known, in order to provide mixing of RB atmosphere.2 3.39 Notify Operator to begin Refer to EM-308, Post Accident l
monitoring RB atmosphere monitoring of the RB H, level.
Atmosphere.
3.40 WHEH RB PRESS < 4 PSIG, Select the following to IBEM ensure RB isolation is
" RESET" on both A and B reset.
channels:
"RB 150 Rbl" "RB ISO RB2" "RB 150 RB3" i
3.41 GO T0 applicable procedure based on subcooling margin:
Jf adequate subcooling margin exists,
~
THEN GO TO OP-209, Piant Copldown.
IE adequate subcooling does HQ! exist, 1H18 GO Tv OP-404, Decay Heat Removal System, Section 4.13, to establish long term core
- cooling, l
O LJ AP-380 REV 20 PAGE 51 of 67 ESA
L i'-
- w 13.3 E adequate-isubcooling margin does NOT exist, IliG
- -
)[
o Within 2 min,- stop all RCPs, o Raise OTSG levels to 95% nsing EFW,
-o Start full HPI..
3.12 IE RB WATER LEVEL indicates 2 2'2"
- -6RQ establish HPI-suction from LPI.
s s
. 3.18--1E-RCS. PRESS is > 2400 PSIG,
-l.
It!M reduce RC PRESS based on subcooling margin.
-l; l 3.19 'E HPI-throttle requirements are tret, I!!M. throttle HPI flows as required.
- o HPI must -be throttled to maintain subcooling' margin
< 100*F when no RCPs are operating, o
E adequate subcooling margin exists. based on incores Id@ HPI must-bts' throttled to maintain RCS PRESS and-TEHP
~
below NDT curve.
o! HPI must--be throttled to maintain HPI flow < 540.gpm/ pump.
- oi 1HPI should be throttled t'o maintain PZR level 80"'to 220" WHEN adequateisubcooling margin exists based on
.incores.
o1HPI.may:be throttled when: adequate subcooling margin-exists based on incores'-
L3;21]MOTSGs --are1available, l-E RCPs 'are 'available,s
~
-Itt@ start 1 RCP 'in ~ each. loop.
E= RCPs are.available,
~
W eMQ.0TSGs are NOT available, Ill.W. start 1! RCP.
s Aj i
- ' AP-380 -
REV-20 PAGE 52 of 67-ESA.
x
3.0 FOLLOW-UP ACTIONS (CONT'D)
{
,-~s
-(x_-)_
ACTIONS DETAILS 119.lf!
The following steps are to initiate HPI/PORV cooling.
H91st
. Steps establishing HPI/PORV cooling and AFW may be performed concurrently.
CAUTION HPI cooling must be established prior to any opening of the PORV.
- 4kw*******************************************
3.42 Start full HPl.
1.
Open MVP suctions from the BWST:
/~~'s o MUV-58 o MUV-73.
2.
Ensure 1 2 MVPs and thair cooling water pumps are running.
3.
Open HPI Valves:
MVV-23 MUV-24 MUV-25 MUV-26.
4.
Balance flow between availaole injection lines.
ia i
a AP-380 REV 20 PAGE 53 of 67 ESA
3.3 E adequate subcooling margin does NOT exist, (N_
M:
)
o Within 2 min, stop all RCPs, o Raise OTSG levels to 95% using EFW, e Start full HPI.
-3.12-E RB WATER LEVEL indicates 2 2'2" 3.13 M transfer LPI suction to RB sump AND establish HPI suction from LPI.
l 3.18. E RCS-PRESS is > 2400 PSIG, M reduce'RC PRESS based on subcooling margin.
l 3,19 'E HPI _ throttle requirements are met, M throttle HPI flows as required.
o HPI must be throttled to maintain subcooling margin
< 100*F when no RCPs are operating.
!m.,I o-E adequate subcooling margin exists based on incores M HPI must be throttled to maintain RCS PRESS and TEMP below NDT curve, o- = HPI muR be throttled to maintain HPI flow < 540 gpm/ pump.
o -
HPI should be throttled to maintain PZR level 80" to 220" M adequate subcooling margin exists based on incores.
o HPI may be throttled when adequate subcooling margin exists based on incores.
.[
3.21 E RCPs are available, MQ OTSGs are available, M start 1 RCP in each loop.
E RCPs are available, AND OTSGs are NOT available, THEN start 1 RCP.
/^g -
NJ AP-380
-REV 20-PAGE 54 of 67 ESA
3.0 FOLLOW-UP ACTIONS (CONT'D)
)
ACTIONS DETAILS 3.43 lE OTSG heat removal is o
PORV should be left open HQI available, until ADX of the following AMD only 1 MVP is availe 4e, conditions exist:
IHEN open the PORY to increase HPI flow, o HPl can be stopped, o OTSG heat removal is established.
PZR vents':
IHEN use PZR vents, o RCV-159 o RCV-160.
U901E 1-1 OTSG should be 1 6" prior to closing the PORV.
3.44 Open the PORV before 1.
Ensure RCV-II, PORV exceeding RCS PRESS block, is open.
limits.
2.
Open PORV before:
'~N 1E PORV is NOT available,
' _,)
IHEN open_the PZR vents, o Exceeding PTS limits, o Exceeding NDT limits, o Exceeding 2400 PSIG.
3.
Verify PORV is open using ultrasonic indications.
o Maintain PORV or PZR vents open until OTSG heat removal is established or LPI is providing core cooling, o
PZR vents:
o RCV-159 o RCV-160.
3-AP-380 REV 20 PAGE 55 of 67 ESA
4 30 F0ll0W-UP ACTIONS (CONT'D)
,,,l-(/
ACTIONS DETAILS x._
UQlt AFW is supplied to the OTSG's via the EFW nozzles.
The normal suction for AFW is the CST, EFT 2 and the 3
Hotwell are alterr-te sources.
Guidance for swapping to the alternate suction sources is contained in OP 605 3.45 If AFW is available o
Start FWP-7 IB1H start AFW o
'sen FWV 222 (A OTSG manual isolation location 119' 18) o Open FWV-223 (B OTSG manual Isolation location 119' 18) o Control FWV-216 and FWV-217 for desired flow and 0TSG 1evel.
/~7%
' '; /
o AFW flow requirements
'~'
(including recirc flow) are:
< 940 gpm (pump run-out)
> 240 gpm (min flow) 3.46 IE >l RCP is operint, Maintain RCP 1B operating te 181h reduce operating maximize PZR spray.
.RCPs to 1.
..m (v)
AP-380-REV 20 PAGE 56 of 67 ESA
3.3 11 adequate subcooling margin does @I exist, M:
1 O'
o Within 2 min, stop all RCPs, o Raise OTsG levels to 95't. using EFW, o Start full HPl.
3.12 If RB WATER LEVEL indicates 2 2'2" 3.13 M transfer LPI suction to RB sump 6@ establish HPI suction from LPl.
l 3.18 If RCS PRESS is > 7400 PSIG, M reduce RC PRESS based on subcooling margin.
z l
3.19 If HPl throttle requirements are met, M throttle HPl flows as required.
o HPl must be throttled to maintain subcooling margin
< 100'F when no RCPs are nperating,
,m o
JL adequate subcooling margin exists based on incores
')
(
M HPI must be throttled to maintain RCS PRESS and TEMP below NOT curve.
o HPI must be throttled to maintain HPl flow < 540 gpm/ pump.
o HPl should be throttled to maintain PZR level 80" to 220" M adequate subcooling margin exists based on
- incores, o
HPl may be throttled when adequate subcooling margin exists based on incores.
l 3.21 If RCPs are available, a@ OTSGs are available, Iljf8 start 1 RCP in each loop.
JI RCPs are available, a@ OTSGs are @I available, E start 1 RCP.
9
'AP-380 REV 20 PAGE 57 of 67 ESA
3.0 F0LLOW-UP ACTIONS (CONT'D)
)
ACTIONS DETAILS N._/
3.47 RdEH RCS is < 1700 PSIG, Bypass HPI by selecting the lhEH bypass HPl.
following to " BYPASS" on both A and B channels:
Continue on in this procedure.
"HPl RCl",
"HPI RC2",
"HPI RC3".
3.48 Select both RB sump pumps to " PULL TO LOCK".
<N Q.)
V k_._)
1
-AP-380 REV-20 PAGE S8 of 67 F.SA L
l
~
3.3 1E adequate subcooling margin does @l exist, lii@:
kJ o Within 2 min, stop all RCPs,
.o Raise OTSG 1evels to 95% using EFW, o Sta.'t V i 11Pl.
3.12 11 RB WATER LEVEL indicates 2 2'2" 3.13.Ul@ transfer LPI suction to RB sump MQ establish HP! suction from LPl.
l 3.18 IE RCS PRESS is > 2400 PSIG, Iti@ reduce RC PRESS based on subcooling margin.
l 3.19 IE HPI throttle requirements are met, IllEti throttle HPI flows as required.
o
_HPl must be throttled to maintain subcooling margin
< 100*F when no RCPs are operating.
h*
o IE adequate subcooling margin exists based on incores 111@ HPI must be throttled to maintain RCS PRESS and TEMP below NDT curve.
o HP! must be throttled to maintain HPl flow < 540 gpm/ pump.
o HPI should be throttled to maintain PZR level 8; to 220" iniM adequate subcooling margin exists baseo on
- incores, o
HPI may be throttlea when adequate subcooling margin exists based on incores.
l
'3.21 1E RCPs are available, MD OTSGs are available, I!!@ start l' RCP in each loop.
IE RCPs are available, MQ OTSGs-are @l available, Iti@ start 1 RCP.
AP-380 REV 20 PAGE 59 of 67 ESA
l 3.0 FOLLOW-UP ACT.LONS (CONT'D1
()
ACTIONS DETAILS 3.49 Establish RB cooling.
o Ensure all RB cooling f ans are operating in slow speed.
o Ensure RB cooling fans are on SW cooling.
801.E WHEN RCS TE.4P < 425'F AND OTSG PRLO: < 400 PSIG, 1d18 MFWBPs may be used to recover from HPl/PORV cooling.
HQlE HPI bistables may need to be reset prior to or during recovery from HPl/PORV cooling to prevent an inadvertent HPI actuation.
3.50 Ensure feedwater valves Ensure the following valves are are aligned to prevent closed:
(-~3) inadvertently feeding an OTSG.
Valve ident.
A-0TSG B 0TSG Main Block FWV-30 FWV-29 LL Block FWV-31 FWV-32 LL Control FWV-37 FWV-38 SU Control FWV-40 FWV-39 4
/~'s
()
AP-380 REV 20 PAGE 60 of 67 ESA
3.0 FOLLOW-UP ACTIONS (CONT'D)
[O T
ACTIONS DETAILS CAUTION During the transition from AFW to EFW, flow to the high nozzles should be maintained < 1400 gpm per OTSG to prevent exceeding OTSG cross flow limits.
3.51 EBIN MFW or EFW become available, IHEB CONCURRENTLY PERFORM AP 450. EFW Actuation, beginning with Step 3.9.
Continue on in this procedure.-
3.52 lE AFW is running o
Close FWV-216 and FWV-217, 68Q EFW or MFW has (AFW control valves) been established IEEN stop AFW o
Stop FWP-7
,cs
(,)
o Close FWV-222 (A OTSG manual Isolation location 119' 18) o Close FWV-223 (B OTSG manual Isolation i
location 119' 18) 3.53 GO TO Step 3.19
~~~ in this procedure.
A AP-380 REV 20 PAGE 61 of 67 ESA p
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p AP-380 REV 20 PAGE 62 of 67 ESA
(
\\
L) 400 350
}
v o
9 M
300 D.
v g
g
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g m1 A 1B3 W
f
! 2A 08 ore
!OA42Bx.
2M W
V CLOO 150
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! ASCM CURVE.
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+
50
.q.
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0 50 100 150 200 250 300 350 400 RCS TEMPERATURE (*F) t'~T O
The acceptable region is above the applicable NPSH curve.
AP-380 REV 20 PAGE 63 of 67 ESA
_._____mm-._~~_mmi-.____m_-____m---.-u-
-___..__.___.--..-m____--.2_-____m-.--_-__--__-.___.-__._a___..--_.--_---_m
.-_a_..-_--.--._J
1 L
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=AP-380 REV 20 PAGE 64 of 67 ESA T
4
^
m.
Cooldown Curves n
g
\\.
2600 2400 2200 4
2000 1800
.[
~NDT CURVE m
.2-1600
\\. -..
- \\
CL --
v 1400 g.
w ASCM 3
CURVE
-g-o-
g 1200
't b
G.
K 1000
. SATURATION O-CURVE '
_ E; 800 a
I 600 400 200
.i.
0 100-200 300 400 500 600
'700 RCS TEMPERATURE *F.:
- Acceptable ' region is
- :-
<-o)- below.and-to the right of the NDT curve Lk j:l1 0,.above!and to the left of. tho' ASCM curve Kp
'. AP-3801 REV -20 PAGE 65 of 67 ESA 5
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.AP-380 REV -20 PAGE 66 of 67 ECA
0 Lqclosure 3 g
Natural Circulation Cooldown Curve > 10'F/hr
_')
1._)
2600 2400 7.200 NDT CURVE ASCM 2000
\\,
CURVE'
\\-
1800 1600 3
c.
NATURAL v
1400 CIRCULATION.
CURVE l
5 1200
\\,
'; - g n
',Jl W
0 soo E
s 600
/
. SATURATION-
- CURVE 400 y
200 0
100 200 300 400 500 600 700 Acceptable region is:
RCS TEMPERATURE
- F o below and to the right of the NDT curve o above and to the left of the Natural Circulation curve
(
) :l o above and to the left of the ASCH curve
,a O
AP-380 REV-20 PAGE 67 of 67 ESA
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