ML20196F703
| ML20196F703 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 11/23/1998 |
| From: | Wilson I FLORIDA POWER CORP. |
| To: | |
| Shared Package | |
| ML20196F697 | List: |
| References | |
| AP-404, NUDOCS 9812070110 | |
| Download: ML20196F703 (123) | |
Text
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LDHR REV 03 (MC) AP-404 i
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LOSS OF DECAY HEAT REMOVAL i
i 1.0 ENTRY CONDITIONS i
. i f
JF the running DHR train is lost. !
THEN use this procedure. j
! 2.0 IMMEDIATE ACTIONS l
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10.TE l l There are no immediate actions for this procedure. ]
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3-Approved by MNP0 ' M. Ob/botDate /I/21/ff (SIGNATURE ON FILE) /
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9812070110 981124 % l
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i 3.0 FOLLOW-UP ACTIONS ACTIONS DETAILS I
3.1' Notify personnel of plant
- STA !
conditions.
e Plant operators )
i e NSM (evaluate plant conditions l for potential e Emergency Plan).ntry into the t 2
3.2 E either of the following exist:
Rx vessel level is
< 132 ft i
No DHR trains are available l THEN GO TO Step 3.5 in f this procedure. l O '
3.3 Start.available DHR train.
procedure. i e E B DHR Train will be started. l THEN PERFORM Enclosure 2. :
Starting B Train DHR, in this i procedure.
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3.4 EXIT this prc edure. !
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3.0 FOLLOW-UP ACTIONS (CONT *D)
-..Q ACTIONS DETAILS O
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. STATUS !
Either of. the-following conditions exists: j e Rx vessel level is < 132 ft. . !
I e No DHR trains are available. i 3.5 Evacuate the RB. 1 _ _ Depress "RB EVACUATION" push ;
button. l f
2 Notify personnel. over PA. j 3 Repeat PA announcement. !
i 3.6 IE in Modes 5 or 6.
- CONCURRENTLY PERFORM the following: i THEN establish containment ;
closure. Enclosure 3, Containment Closure !
in Modes 5 or 6, in this :
procedure. :
SP-346, Enclosure 1. Containment I Penetrations Weekly Check During l Refueling Operations. ;
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3.0 FOLLDW-UP ACTIONS (CONT'D)
ACTIONS DETAILS
()
v 3.7 Verify RCS level is 2: 130.2 ft.
lE RCS level is 1 Determine RCS makeup sources:
< 130.2 ft.
THEN raise RCS level. RCBTs SF pools BASTS BWST 2 Align an available makeup source.
3 Start addition to RCS to achieve 2: 130.2 ft.
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3.0 FOLLOW-UP ACTIONS (CONT *D)
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ACTIONS DETAILS 3.8 E SW cooling is 1 Ensure at least 1 Emergency SW Pump available, is running:
THEN ensure SW cooling to RB cooling units. SWP-1A SWP-1B 2 E an Emergency SW Pump is NOT available.
THEN start SWP-1C 3 Ensure at least one Emergency SW RW Pump is running:
RWP-2A RWP-2B 4 E an Emergency SW RW Pump is NOT available.
THEN start RWP-1
('3
( ,e 5 Ensure CI valves to RB cooling units are closed:
SWV-151 SWV-152 SWV-355 6 Ensure SW valves to RB cooling units are open:
SWV-353 SWV-354 O
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3.0 FOLLOW-UP ACTIONS (CONT'D)
( ~s ACTIONS DETAILS U'
3.9 E SW cooling is NOT 1 CI system is in operation.
available.
THEN ensure CI is 2 SW valves to RB cooling units are operating and aligned to closed:
RB cooling units.
SWV-353 SWV-354 3 CI valves to RB cooling units are open:
SWV-151 SWV-152 SWV-355 3.10 Ensure proper RB cooling e E ES has NOT actuated.
unit operation. THEN ensure both ES selected RB
!,qj cooling units are running in slow speed.
- E ES has actuated.
THEN ensure only 1 ES selected RB cooling unit is running in slow speed.
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3.0 F0ll0W-UP ACTIONS (CONT'D)
('T ACTIONS DETAILS LJ 3.11 E both DHR trains are 1 Ensure both DHPs are stopped:
NOT available.
THEN isolate DHR from RCS DHP-1A and GO TO Step 3.15 in this procedure. DHP-1B 2 Close the following valves:
DHV-41 DHV-3 DHV-4 DHV-5 DHV-6 3 GO TO Step 3.15 in this procedure.
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3.12 WHEN RCS level is e E previously running DHR train 2 130.2 ft. will be restarted.
J_ HEN start available DHR THEN PERFORM Enclosure 4.
train. Venting DHR, in this procedure.
e E A DHR Train will be started.
THEN PERFORM Enclosure 1.
Starting A Train DHR in this procedure.
- E B DHR Train will be started.
THEN PERFORM Enclosure 2.
Starting B Train DHR. in this procedure.
3.13 Ensure shutdown DHR train e Notify PPO to CONCURRENTLY PERFORM is filled and vented as Enclosure 4. Venting DHR in this required. procedure.
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i' 3.0 FOLLOW-UP ACTIONS (CONT *D)
ACTIONS DETAILS 3.14 EXIT this procedure.
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REV 03 (MC) PAGE 16 of 123 LDHR
3.0 FOLLOW-UP ACTIONS (CONT'D)
ACT10!$ DETAILS 3.15 Ensure available cooling method and GO TO Cooling applicable step. Method and Criteria Step RCS filled and vented PZR Htrs available OTSG OTSG FW available 3.16 TBVs or ADVs available ,
OTSG integrity exists Letdown available Rx vessel head removed se canal Fuel transfer canal integrity exists 3.36 eN HPI HPI pump with suction (y from BWST available 3.51 RCS vent path available LPI LPI pumps with suction from BWST available 3.70 ,
CFTs CFT PRESS < RCS NDT 3.79 CFT level exists Flood RB RB sump can be flooded sump-LPI LPI pump with suction 3.84 from RB sump available 1 RCS vented to atmosphere Gravity feed BWST level > Rx vessel 3.104 Flow path from BWST to RCS available O
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3.0 FOLLOW-UP ACTIONS (CONT'D)
( ACTIONS DETAILS STATUS OTSG cooling is available.
3.16 Ensure level in available o Establish FW flow to available OTSGs is at or trending OTSGs:
towards > 90%.
IF EFP-1 is designated pump.
TiiEN start EFP-1 E EFP-2 is designated pump.
IHEN PERFORM E0P-14. Enclosure
- 7. EFP-2 Management, and start EFP-2 E AFW is designated feed source.
THEN PERFORM E0P-14. Enclosure
,o Supply.
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E MFW is designated feed source.
THEN PERFORM E0P-14. Enclosure
- 8. MFW Restoration.
See Table 1 3.17 E TBVs are NOT available.
THEN fully open ADVs for available OTSG.
3.18 E condenser vacuum 1 E MSIVs are closed, exists. THEN PERFORM E0P-14. Enclosure THEN fully open TBVs for 5. MSIV Recovery.
available OTSG.
2 ' Fully open TBVs.
p U
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1 3.0 FOLLOW-UP ACTIONS (CONT *D)
ACTIONS DETAILS 1
3.19 E a PZR bubble does NOT 1 Turn on all PZR Htrs. 1 exist. 1 AND a bubble is desired. 2 Control PZR heatup rate '
THEN begin PZR heatup. < 100*F/hr.
3 CONCURRENTLY PERFORM E0P-14 I Enclosure 15. E0P Temperature Log (PZR TEMP).
3.20 E a PZR steam bubble exists.
THEN use PZR Htrs to maintain adequate SCM.
See Table 2
(] 3.21 E makeup and letdown are v in service.
THEN GO TO Step 3.25 in this procedure.
,A.
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3.0 FOLLOW-UP ACTIONS (CONT *D)
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%j ACTIONS DETAILS 3.22 JF MU system is available. 1 See the following to determine THEN place in service. restraints:
Scheduled maintenance activities Equipnent Clearance Log Equipment Out of Service Log 2 CONCURRENTLY PERFORM applicable sections of OP-402. Makeup and Purification System, to establish the following:
Suction flow path from MUT to suction of selected MUP Recirc flow path from selected MUP to MUT Selected MVP lube oil system available 10 V Normal makeup flow path from selected MVP to RCS AP-404 REV 03 (MC) PAGE 23 of 123 LDHR
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3.0 FOLLOW-UP ACTIONS (CONT *D)
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\s ACTIONS DETAILS 3.23 E at any time. MU system 1 Ensure selected MUP cooling alignments have been water system is aligned and veri fied, operating.
JffN start selected MUP.
2 Ensure selected MVP lube oil is properly aligned:
Main lube oil pump in normal after start Backup lube oil pump in normal after stop Main and backup gear oil pumps selected to "AUT0" 3 Start selected MUP:
MUP-1A MUP-1B f ^3 MUP-1C U
3.24 Ensure letdown flow is 1 CONCURRENTLY PERFORM E0P-14.
established and PZR level Enclosure 4. RCS Letdown maintained. Recovery.
2 E additional letdown flow is desired.
THEN notify PPO to throttle open MUV-48 " Block Orifice Bypass" (119 ft AB Block Orifice Room).
3 Maintain PZR level < 125 in.
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Applicable carry-over steps:
3.23 lE MU system alignments have been verified. THEN start a MUP. ,
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3.0 FOLLOW-UP ACTIONS (CONT *D)
/ '; ACTIONS DETAll.S V
3.25 E at any time. PZR TEMP 1 Control RCS PRESS using PZR reaches Tsat for desired Htrs.
RCS PRESS.
THEN establish a PZR 2 Begin lowering PZR level to bubble. 100 in (80 to 120 in).
3.26 E RCP restart is NDT 1 CONCURRENTLY PERFORM E0P-14.
desired. Enclosure 13. High PRESS Aux THEN establish high PRESS Spray Lineup.
Aux spray and GO TO Step 3.35 in this procedure. 2 GO TO Step 3.35 in this procedure.
3.27 WHEN MU system is in service.
THEN ensure seal injection
,c s, flows are > 3 epm for each RCP.
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3.28 Determine which RCPs will e RCPs should be started in RCS be started. loop with available OTSG.
- RCP-1B is preferred for maximum PZR spray capability.
3.29 Establish RCS PRESS for desired RCP combination.
See OP-103B. Plant Operating Curves.
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Applicable carry-over steps:
3.25 IE PZR TEMP is T:st for RCS PRESS. THEN establish a PZR bubble.
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3.0 FOLLOW-UP ACTIONS (CONT'0)
ACTIONS DETAILS 3.30 Ensure RCP lift oil pump is operating for selected RCPs.
3.31 Ensure RCP start permissives are satisfied.
3.32 WHEN adequate RCP NPSH exists. RCP-1A THEN start 2 RCPs.
RCP-1C RCP-1B RCP-1D O
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I Applicable carry-over steps: i 3.25 If PZR TEMP is Tsat for RCS PRESS, THEN establish a PZR bubble.
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3.0 FOLLOW-UP ACTIONS (CONT'D)
( ACTIONS DETAILS 3.33 Verify RCP parameters are e Verify RCP seal pressures are within normal limits. normal.
e Monitor operating RCP computer groups:
RCP GROUP RCP-1A 78 RCP-1B 79 RCP-1C 80 RCP-1D 81 e Notify SP0 to monitor RC-190-LI for RCP oil leakage (119 ft IB by East door).
UPPER LOWER
- RCP CHANNEL CHANNEL RCP-1A #1 #2 RCP-1B #3 #4 RCP-1C #5 #6 RCP-1D #7 #8 3.34 Jf operating parameters are normal.
THEN stop operating RCP lift oil pumps.
3.35 WHEN DHR system is available.
THEN notify TSC for additional guidance and
' EXIT this procedure.
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3.0 FOLLOW-UP ACTIONS (CONT *D)
(~~ ') ACTIONS DETAILS
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STA1US e Rx vessel head is removed.
e fuel transfer canal can be flooded.
e DH pumps are not running.
3.36 IE B DHR train will be aligned for fuel transfer canal fill .
THEN GO TO Step 3.44 in this procedure.
3.37 Align A DHR train for fuel
- Close the following valves:
transfer canal fill.
<, DHV-39 L.)
DHV-42 DHV-8
- Open the following valves:
DHV-34 DHV-5 3.38 Start gravity fill from o Throttle DHV-110 to maintain Tecwe BWST. < 200*F.
See Table 3 (c)
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3.0 FOLLOW-UP ACTIONS (CONT *D)
ACTIONS DETAILS l
4 i CAUTION l Minimum level in BWST for DH pump operation is 4.5 ft.
3.39 E DHP-1A is available. 1 Select DHV-110 controller to
, AND increased fill rate is "AUT0" and set for s 1500 gpm.
desired.
THEN start DHP-1A and 2 Start DCP-1A required cooling pumps.
3 Start RWP-3A 4 Start DHP-1A 1
3.40 Monitor fuel transfer
- Throttle DHV-110 to maintain 4 canal fill. Tincore < 200 F.
See Table 3 e Monitor DHP-1A for cavitation.
3.41 E at any time. BWST level is s 5 ft.
THEN select BWST Htr control switch to " LOCAL".
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Applicable carry-over steps:
3.41 IE BWST level is s; 5 ft, THEN select BWST Htr control to " LOCAL"
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3.0 FOLLOW-UP ACTIONS (CONT *D)
(~' ACTIONS DETAILS N.)T 3.42 IE at any time, fuel 1 Stoo DHP-1A transfer canal level is 2: 158 ft. 2 Stop DLP-1A THEN stop fuel transfer canal fill. 3 Stop RWP-3A 4 Close DHV-5 5 Close DHV-34 l
I 3.43 WHEN DHR system is available.
THEN notify TSC for ;
additional guidance and ,
EXIT this procedure. I i
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3.0 FOLLOW-UP ACTIONS (CONT'D)
ACTIONS DETAILS STATUS e Rx vessel head is removed.
- Fuel transfer canal can be flooded.
e DH pumps are not running.
e B DHR train will be aligned for fuel transfer canal fill.
3.44 Align B DHR train for fuel 1 Close DHV-40 transfer canal fill.
2 Close DHV-43 3 Close DHV-7 4 Open DHV-35 5 Open DHV-6 3.45 Start gravity fill from o Throttle DHV-111 to maintain Tinwe BWST. < 200*F.
See Table 3 CAUTION Minimum level in BWST for DH pump operation is 4.5 ft.
3.46 Jf DHP-1B is available. 1 Select DHV-111 controller to AND increased fill rate is "AUT0" and set for s; 1500 gpm.
desi red.
THEN start DHP-1B and 2 Start DCP-1B required cooling pumps.
3 Start RWP-3B 4 Start DHP-1B AP-404 REV 03 (MC) PAGE 39 of 123 LDHR
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3.0 FOLLOW-UP ACTIONS (CONT'D)
(~) ACTIONS DETAILS V
3.47 Monitor fuel transfer e Throttle DHV-111 to maintain canal fill. Tinwe < 200'F.
See Table 3 e Monitor DHP-1B for cavitation.
3.48 E at any time. BWST level -
is s 5 ft.
THEN select BWST Htr control switch to "LOCAi_"
3.49 E at any time, fuel 1 Stop DHP-1B transfer canal level is 2: 158 ft. 2 Stop DCP-1B n THEN stop fuel transfer
't) canal fill. 3 Stop RWP-3B 4 Close DHV-6 5 Close DHV-35 3.50 WHEN DHR system is available.
THEN notify TSC for additional guidance and EXIT this procedure.
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3.0 FOLLOW-UP ACTIONS (CONT *D)
ACTIONS DETAILS
( )
STATUS e HPI cooling is available.
- RCS vent path is available.
" PULL TO LOCK" WDP-2A WDP 2B e Close RB sump discharge valves:
WDV-3 WDV-4 (v )
3.52 Close waste gas header isolation valves. WDV-406 WDV-405
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3.0 FOLLOW-UP ACTIONS (CONT *D)
ACTIONS DETAllS i
3.53 Establish MU system 1 Align BWST to available MVP valves:
alignment for HPI cooling.
MUV-73 MUV-58 2 Ensure MUP cooling supply is established.
o 3 Ensure MVP lube oil is properly aligned for available MVP:
Main lube oil pump running Backup lube oil pump in normal after stop Main and backup gear oil pumps selected to "AUT0" 3.54 Energize one set of HPI valves using "HPI VALVE EMERG POWER SEL" switches. ,
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3.55 Energize HPI recirc to e Notify PPO to unlock and close l sump valves. DPDP 8A-4 "MUV-543. MUV-544" l (A ES 4160V SWGR Room). ;
e Notify PPO to unlock and close i DPDP 8B-8 "MUV-545. MUV-546" !
(B ES 4160V SWGR Room). I O l AP-404- REV 03'(MC) PAGE 45 of 123 LDHR j
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30 F0ttOW-UP ACTIONS (CONT'D) i I
(~) ACTIONS DETAILS l V l 3.56 Open HPl recirc to sump l valves. MUV-543 MUV-544 MUV-545 MUV-546 3.57 Ensure MUP recirc to MUT valves are closed. MUV-53 MUV-257 3.58 Isolate MUP discharge flow
- Ensure the following valves are
(~'s paths. closed:
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MUV-24 MUV-23 MUV-25 MUV-26 MUV-18 MUV-27 l
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3.0 FOLLOW-UP ACTIONS (CONT'D)
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V ACTIONS DETAILS 3.59 IE a MUP is NOT running.
THEN start available MUP.
3.60 Open HPI valve as e Throttle HPI valve to maintain Tscse required. < 200 *F.
[ Rule 2. HPI Control] See Table 3 3.61 lE at any time. RCS PRESS approaches NDT.
THEN cycle PORV to maintain RCS PRESS < NDT limit.
See Figure 1 g
LJ 3.62 Notify Chemistry to sample RB sump for boron.
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Applicable carry-over steps:
3.61 JE RCS PRESS approaches NDT, THEN cycle PORV to maintaic RCS PRESS.
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3.0 FOLLOW-UP ACTIONS (CONT *D)
/~' ACTIDNS DETAILS
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3.63 If at any time, normal DHR 1s available.
THEN notify TSC for additional guidance and EXIT this procedure.
3.64 JE at any time, adequate SCM based on Tinese was lost.
THEN notify TSC for boron precipitation guidance.
See Table 2
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Applicable carry-over steps:
3.61 E RCS PRESS approaches NDT. THEN cycle PORV to maintain RCS PRESS.
3.63 E normal DHR is available. THEN notify TSC for additional.
O 3.64 E adequate SCM based on Tincore was lost. THEN notify TSC.
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3.0 FOLLOW-UP ACTIONS (CONT *D)
Q ACTIONS DETAILS (V i 3.65 WHEN all the following 1 Ensure BWST recirc valve is closed I conditions exist: on selected train: '
RB flood level 2 2.5 ft A Train B Train LPI pump associated DHV-8 DHV-7 with running MUP is available 2 Ensure RB sump to DHP valve is open RB sump boron 2 that on selected train:
required for shut down ,
m rgin A Train B Train THEN establish LPI from RB sump on selected train. DHV-42 _ DHV-43 3 Ensure BWST to DHP valve is closed on selected train:
A Train B Train p DHV-34 DHV-35 g V
4 Ensure LPI control is in "AUT0" and set for 1400 gpm on selected train:
A Train B Train DHV-110 DHV-111 q
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Applicable carry-over steps:
3.61 E RCS PRESS approaches NDT. THEN cycle PORV to maintain RCS PRESS.
3.63 E normal DHR is available, THEN notify TSC for additional.
3.64 E adequate SCM based on Tincore was lost. THEN notify TSC.
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3.0 FOLLOW-UP ACTIONS (CONT *D)
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v ACTIONS DETAILS 3.66 Start LPI pump and 1 Start pumps for selected train:
required cooling pumps.
A Train B Train DCP-1A DCP-1B i
RWP-3A l
_ RWP-3B DHP-1A DHP-1B 2 Throttle LPI flow to 51400 gpm on selected train:
l l A Train B Train l DHV-5 DHV-6 l l
3.67 Adjust DC cooling on .
,Fs selected train. A Train B Train i V ,
See Table 3 DCV-177-MS DCV-178-MS '
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AP-404 REV 03 (MC) PAGE 55 of 123 LDHR
Applicable carry-over steps:
3.61 E RCS PRESS approaches NDT, THEN cycle PORV to maintain RCS PRESS.
3.63 E normal DHR is available. THEN notify TSC for additional.
3.64 E adequate SCM based on Tum was lost. THEN notify TSC.
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3.0 FOLLOW-UP ACTIONS (CONT *D) I ACTIONS DETAILS i
3.68 IF at any time, all the 1 Adjust LPI flow to s 900 gpm. .
T5110 wing conditions i exist: 2 03en LPI pump discharge to running :
MJP suction- '
At least 1 LPI pump is !
running LPI pump aligned to RB -
sump DHV-11 DHV-12 l
Associated HPI pump !
running 3 Close BWST to MUP valve: l LPI to HPI alignment !
A Train B Train is desired OR BWST level is li 4.5 ft MUV-73 MUV-58 !
i THEN align LPI to HPI suction.
l 3.69 WHEN normal DHR is i available.
O THEN notify TSC for ,
additional guidance and '
EXIT this procedure. ;
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3.0 FOLLOW-UP ACTIONS (CONT *D)
ACTIONS- DETAILS l
STATUS :
LPI cooling is available.
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I 3.70' ' Isolate the RB sump.
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" PULL TO LOCK"-
i WDP-2A !
WDP-2B ;
i e Close RB sump discharge valves:
WDV-3 !
WDV-4 l
-l 3.71 Close waste gas header i isolation valves. WDV-406 j WDV-405 f i
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AP-404 REV 03 (MC)- PAGE 59 of 123. LDHR ,
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i 3.0 FOLLOW-UP ACTIONS (CONT *D) !
a e
ACTIONS DETAILS 3.72 Align LPI for cooling. 1 Close the following valves for l selected train: ;
A Train B Train l
DHV-8 DHV-7 !
DHV-5 DHV-6 l DHV-75 DHV-76 ,
i DHV-105 DHV-106 DHV-11 DHV-12 l
2 Open the following valve for l selected train:
A Train B Train DHV-34 DHV-35 l
3 Ensure LPI control valve for ;
selected train is in "AUT0" and set for 1400 gpm-t A Train B Train DHV-110 DHV-111 4 Open the following valve for selected train:
l A Train B Train DHV-5 DHV-6 O
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J 3.0 FOLLOW-UP ACTIONS (CONT'D)
- ,\>
('] ACTIONS DETAILS
- CAUTION 1
Minimum level in BWST for DH pump operation is 4.5 ft.
. 3.73 Start selected LPI pump and cooling water pumps. A Train B Train 4
DCP-1A DCP-1B RWP-3A RWP-3B DHP-1A DHP-1B 3.74 Establish LPI flow. e Throttle LPI control valve to maintain Tocore < 200*F:
A Train B Train DHV-110 DHV-111 See Table 3 1
l 3.75 If at any time, additional 1 Ensure RCV-11 is open.
LPI flow is required.
THEN reduce RCS PRESS. 2 Cycle the PORV to increase flow.
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AP-404 REV 03 (MC) PAGE 63 of 123 LDHR
Applicable carry-over steps:
3.75 JF additional LPI flow is required, reduce RCS PRESS.
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l i 3.0- FOLLOW-UP ACTIONS (CONT *D)
ACTIONS DETAILS i E at any time. RB flood 3.76 1 Throttle selected LPI train flow to j level is 2 2.5 ft. s; 1400 gpm: )
-THEN transfer selected LPI
- )
A Train B Train l
?. DHV-110 DHV-111 i
5 2 Open RB sump to DHP valve on l'
- selected train-i; !
< A Train B Train i i
! DHV-42 DHV-43 i !
3 Close BWST to DHP valve on selected l train: ,
- i. i l A Train B Train !
DHV-34 DHV-35
, l
! 4 Adjust DC cooling on selected train: l l
t A Train B Train !
i
- j. DCV-177-MS DCV 178-MS ;
I I See Table'3 1
2' i L 3.77 E at any time. adequate :
SCM based on Tinene was I I
e lost.
! precipitation guidance. .
'; - l
- See Table 2 i L i i
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AP-404' LREV 03 (MC) PAGE 65 of 123 LDHR i
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Applicable carry-over steps:
3.75 E additional LPI flow is required. reduce RCS PRESS.
3.76 E RB flood level is 2: 2.5 ft transfer selected LPI pump suction.
3.77 E adequate SCM based on Them was lost, THEN notify TSC.
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O AP-404 REV 03 (MC) PAGE 66 of 123 LDHR l
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3.0 FOLLOW-UP ACTIONS (CONT *D) !
i l-l ACTIONS DETAILS l w
! 3.78 __ WHEN normal DHR is available.
)
i THEN notify TSC for !
' additional guidance and :
EXIT this procedure, i o
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i 3.0 FOLLOW-UP ACTIONS (CONT *D) j
['T L/
ACTIONS DETAILS i
3 STATUS
- CFTs are available for core cooling. i t
J
~
{ 3.79 IE CFT PRESS is > RCS 1 Notify PP0 to unlock and close CFT .:'
PRESS, isolation valve Bkrs (119 ft AB):
- THEN establish flow from
! CFTs. ES MCC 3AB-6B "CFV-5 A CFT Iso" i i
. ES MCC 3AB-6C "CFV-6 B CFT Iso" 2 Notify PPO to jog open one or !
both CFT isolation valves at i' i respective breakers.
- i
- CFV-5 ;
r CFV-6 3 Adjust flow to maintain the l j\- following:
J Thmre < 200*F l RCS PRESS < NDT curve l See Figure 1 ;
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@\ I AP-404 REV 03 (MC) PAGE 70 of 123 LDHR I
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3.0 FOLLOW-UP ACTIONS (CONT'D_1
(')
~
ACTIONS DETAILS v
I 3.80 IE at any time, additional
- Notify SP0 to PERFORM Enclosure 6. I CFT PRESS is desired. Pressurizing Core Flood Tanks, in AND RCS PRESS is < 100 this procedure.
psig.
THEN align nitrogen system to applicable CFT.
3.81 IE at any time. RCS PRESS 1 Ensure RCV-11 is open.
is > CFT PRESS.
OR additional CFT flow is 2 Open the PORV.
required.
THEN reduce RCS PRESS.
3.82 IE at any time, adequate SCM based on Tecue was lost.
(m
( j) THEN notify TSC for boron precipitation guidance.
See Table 2 3.83 WHEN normal DHR is available.
THEN notify TSC for additional guidance and EXIT this procedure.
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3.0 FOLLOW-UP ACTIONS (CONT *D)
/~'T ACTIONS DETAILS L.J STATUS e RB sump can be flooded.
e LPI pump with suction from RB sump is available.
" PULL TO LOCK" WDP-2A WDP-2B e Close RB sump discharge valves:
WDV-3 WDV-4
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v_-
3.85 Open BWST to DHP valves on selected LPI Train. A Train B Train DHV-34 DHV-35 i
3.86 IE alternate RB sump fill j path is desired (BWST - '
through fuel transfer canal deep end to RB sump).
THEN GO TO Step 3.94 in this procedure.
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3.0 FOLLOW-UP ACTIONS (CONT *D)
ACTIONS DETAILS
(
3 87 Open RB sump to DHP valves for selected train. A Train B Train DHV-42 DHV-43 3.88 Close waste gas header isolation valves. WDV-406 WDV-405 1
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t 3.0 FOLLOW-UP ACTIONS (CONT *D)
ACTIONS DETAILS i
3.89 WHEN RB flood level is 1 Ensure BWST recirc valve on selected !
2 2.5 ft. train is closed: !
sump with selected train. A Train B Train !
DHV-8 OHV-7 r 2 Open RB sump to DHP valve on i selected train: ;
A Train B Train !
DHV-42 _ DHV-43 3 Ensure BWST to DHP valve is closed j on selected train: I A Train B Train DHV-34 DHV-35 t 4 Open LPI injection valve on selected i train:
A Train B Train ,
i DHV-5 DHV-6 O
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3.0 FOLLOW-UP ACTIONS (CONT'D)
( ACTIONS DETAILS 3.90 Start LPI pump and 1 Start pumps for selected train:
required cooling water pumps.
A Train B Train t
DCP-1A DCP-1B RWP-3A RWP-3B ,
DHP-1A DHP-1B 2 Throttle DHV-110 or DHV-111 to maintain the following:
Tincore < 200'F Maximum DHR flow s 1400 gpm See Table 3 O
O 3.91 Cycle the PDRV to maintain RCS PRESS s NDT.
See Figure 1 3.92 IF at any time, adequate SCM based on Tincore is lost.
THEN notify TSC for boron precipitation guidance.
See Table 2 3.93 WHEN normal DHR is available.
THEN notify TSC for additional guidance and
, EXIT this procedure.
AP-404 REV 03 (MC) PAGE 79 of 123 LDHR
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3.0 FOLLOW-UP ACTIONS (CONT *D) f)
w ACTIONS DETAILS STATUS Alternate RB sump flood method is desired.
I 3.94 Ensure SFP-2 is stopped.
3.95 Notify PPO to PERFORM Enclosure 5. Valve Alignment for Fuel Transfer Canal Gravity Fill, in this procedure.
.s 3.96 WHEN Enclosure 5 is o Notify PPO to throttle open SFV-13 I
i complete. "BWST Supply Iso" for desired flow kJ THEN start fuel transfer rate (119 ft AB by SFPs).
canal gravity fill.
3.97 WHEN RB flood level is
- Notify PPO to close the following: >
- a
- 2. 5 f t .
THEN restore lineup. SFV-13 "BWST Supply Iso" l (119 ft AB by SFPs) j SFV-19 " Fuel Transfer Canal AB l Iso" (119 ft AB penetration area) l 3.98 Close waste gas header !
isolation valves. WDV-406 l WDV-405
/%
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3.0 FOLLOW-UP ACTIONS (CONT *D)
ACTIONS DETAILS 3.99 Establish LPI from RB sump 1 Ensure BWST recirc valve on selected with selected train. train is closed:
A Train B Train DHV-8 DHV-7 2 Open RB sump to DHP valve on selected train:
A Train B Train DHV-42 _ DHV-43 3 Ensure BWST to DHP valve is closed on selected train:
A Train B Train DHV-34 DHV-35 4 Open LPI injection valve on selected train:
A Train B Train DHV-5 DHV-6 1
1 1
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AP-404 REV 03 (MC) PAGE 84 of 123 LDHR l
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'3.0 FOLLOW-UP ACTIONS (CONT *D) :
ACTIONS DETAILS 3.100 Start LPI pump and 1 Start pumps for selected train: !
required cooling water pumps. A Train B Train DCP-1A DCP-1B RWP-3A RWP-3B DHP-1A DHP-1B i
2 Throttle DHV-110 or DHV-111 to j maintain the following: ;
Tinewe < 200'F - !
Maximum DHR flow s 1400 gpm
, See Table 3 i A
V 3.101 Cycle the PORV to maintain RCS PRESS s NDT.
l See Figure 1 3.102 J.E at any time adequate ;
SCM based on Tinene was :
lost. l THEN notify TSC for boron '
1 precipitation guidance. J See Table 2 l 3.103 WHEN' normal DHR is available.
THEN notify TSC for additional guidance and EXIT this procedure.
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3.0 FOLLOW-UP ACTIONS (CONT *D) i ACTIONS DETAILS
- i i
STATUS l- e Gravity feed from BWST to RCS is available. ;
l e RCS vent path is available.
1 i
, 3.104 E B DHR train will be !
aligned for gravity feed.
l THEN GO TO Step 3.110 in ;
this procedure. -
t 3.105 Align A DHR train for 1 Close DHV-39 ;
gravity feed from BWST. !
2 Close DHV-42 :
3 Close DHV-8 4 Open DHV-34 5 Open DHV-5 j f
3.106 E RCS vent path is upper e Throttle DHV-110 to maintain OTSG hand holes. Tinem < 200*F during fill . ;
QB upper primary.manway. l THEN start gravity fill See Table 3 from BWST.
e Monitor BWST level. !
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3.0 FOLLOW-UP ACTIONS (CONT'D)
()
- x. y ACTIONS DETAILS 3.107 IE alternate vent paths e Throttle DHV-110 to maintain exist. Tscore < 200*F during fill .
THEN start gravity fill.
See Table 3 e Monitor applicable level instrumentation during fill:
BWST level
_.,_ PZR level Rx vessel level Hot leg level 3.108 _. IE at any time, adequate SCM based on Tscore was lost.
'~'s THEN notify TSC for boron
( ,) precipitation guidance.
See Table 2 3.109 WHEN normal DHR is available.
THEN notify TSC for additional guidance and EXIT this procedure.
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AP-404 REV 03 (MC) PAGE 90 of 123 LDHR
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3.0 FOLLOW-UP ACTIONS (CONT'0)
ACTIONS DETAILS I
i
' STATUS B DHR train will be aligned for gravity feed from BWST.
l 3.110 Align B DHR train for 1 Close DHV-40 l gravity feed from BWST. ;
2 Close DHV-43 l
3 Close DHV-7 4 Open DHV-35 l
-5 Open DHV-6 3.111 IE RCS vent path is upper e Throttle DHV-111 to maintain !
OTSG hand holes. Twene < 200'F during fill . i O QR upper primary manway, THEN start gravity fill from BWST.
See Table 3 j
e Monitor BWST level.
I 3.112 IE alternate vent paths e Throttle DHV-111 to maintain ;
exist. Tscwe < 200 *F. j THEN start gravity fill. ;
See Table 3 i
, o _ _ Monitor applicable level j inst"umentation during fill: l BWST level
-i PZR level i Rx vessel level Hot leg level i
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4 3.0 FOLLOW-UP ACTIONS (CONT *D)
O ACTIONS DETAILS V
. 3.113 J1 at any time, adequate SCM based on Tinewe was lost.
THEN notify TSC for boron precipitation guidance.
See Table 2 3 114 WHEN normal DHR is available.
THEN notify TSC for additional guidance and EXIT this procedure.
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5.0 ENCIOSURE 1 STARTING A DHR TRAIN
(~')
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ACTIONS DETAILS 1.1 Ensure DHP-1B is not running.
1.2 Position DCV-177-MS to "0" for minimum cooling.
1.3 Align DHP-1A for DHR.
- Ensure the following valves are closed:
DHV-34 DHV-42 DHV-8 DHV-75
( ) DHV-105 DHV-11 DHV-76 DHV-106 DHV-40 DHV-6 1.4 Dpen DHP-1A isolation valves. DHV-39 DHV-5
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4.0 ENCLOSURE 1 STARTING A DHR TRAIN (CONT *D)
(~'s,' ACTIONS DETAILS
\~/
1.5 Align drop line for DHR 1 Open DHV-41 operation.
2 Open DHV-3 3 Op.n DHV-4 1.6 Start A DHR train. 1 Start DCP-1A 2 Start RWP-3A 3 Start DHP-1A 4 Throttle DHV-110 to maintain approximately 3000 gpm.
1.7 Stabilize RCS TEMP as
- Adjust DCV-177-MS for desired desired for plant cooling.
conditions.
(a\-) See Table 3
- Monitor " Cooler Outlet" TEMP (DH-2-TII) to determine RCS cooling.
1.8 EXIT this enclosure.
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AP-404 REV 03 (MC) PAGE 98 of 123 LDHR e '
i 4.0 ENCLOSURE 2 STARTING B DHR TRAIN 2
-ACTION.S DETAILS 2.1 Ensure DHP-1A is not l' running.
P 2.2- Position DCV-178-MS to "0" i for minimum cooling. !
t 2.3 Align DHP-1B for DHR.
- Ensure the following valves are closed: !
i DHV-35 i DHV-43 DHV-7 !
DHV !
DHV-106 DHV-12 l
DHV-75 l DHV-105 i DHV-39 i l
DHV-5 i
-2.4 Open DHP-1B isolation i valves. DHV-40 DHV-6 l
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AP-404 REV 03 (MC) PAGE 100 of 123 LDHR 7
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4.0 ENCLOSURE 2 STARTING B DHR TRAIN (CONT *D) ;
i ACTIONS DETAILS i
2,5 Align drop line for DHR 1 Open DHV-41 !
operation. !
2 Open DHV-3 i 3 Open DHV-4 !
. i 5
2.6 Start B DHR train. 1 Start DCP-1B ,
2 Start RWP-3B -
3 Start DHP-1B- l 4 _ Throttle DHV-111 to maintain approximately 3000 gpm. ;
i 2.7 Stabilize RCS TEMP as e Adjust DCV-178-MS'for desired p, desired for plant cooling.
V conditions.
See Table 3 e Monitor " Cooler Outlet" TEMP l (DH-2-TI2) to determine RCS !
cooling. l f
i 2.8 EXIT this enclosure. !
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4.0 ENCLOSURE 3 CONTAINMENT CLOSURE IN H0 DES 5 OR 6
[J ACTIONS DETAILS 3.1 Ensure containment e Ensure equipment hatch is closed closure. and held in place by 2 16 bolts.
- Ensure 21 door in each air lock is closed.
3.2 IE RB purge is in 1 Notify SPO to ensure purge heaters progress, are de-energized THEN stop RB purge. (Unit 480V SWGR Room):
480V HEATING AUX BUS 3-3A "AHHE-16A A RB Purge Heating Coil" 480V HEATING AUX BUS 3-4A "AHHE-16B B RB Purge Heating Coil" 2 Ensure all main purge valves are
- (~'S closed:
'n_J AHV-1C ;
AHV-1B AHV-1D AHV-1A 1
3 Ensure both RB purge supply fans are ;
off: ;
AHF-6A AHF-6B I
4 Ensure both RB purge exhaust fans 1 are off:
AHF-7A AHF-7B ts ;
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I '4.0 ENCL 0SURE 3 CONTAINMENT CLOSURE IN MODES 5 OR 6 (CONT'D) :
l
, ACTIONS DETAILS i
3.3 Determine if in progress e Review Containment Penetration log. l 1 work involves open j containment penetrations.
.. t 3.4 Notify Shop Supervisors to
- , initiate containment -l
. Closure requirements. i e
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4.0 ENCLOSURE 4 VENTING DHR
()
v ACriONS DETAILS 4.1 IF B DHR train will be filled and vented.
THEN GO TO Step 4.9 in this enclosure.
4.2 Isolate A DHR train.
- Close the following valves:
DHV-39 DHV-5 4.3 Open DHV-8 NQIE
( ) Opening DHV-10 may cause backflow from the BWST.
v 4.4 Notify PPO to open DHV-10 "DH Recirc Iso Bypass" (95 ft AB Triangle Room).
4.5 WHEN DHV-10 is open.
THEN notify PPO to cycle DHV-19 "DHP-1A vent" (75 ft AB A DH Room) to vent DHP-1A 4.6 WHEN venting is complete THEN notify PPO to close DHV-10 "DH Recirc Iso Bypass" (95 ft AB Triangle Room).
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AP-404 REV 03 (MC) PAGE 107 of 123 LDHR
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AP-404 REV 03 (MC) PAGE 108 of 123 Lf;HR
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4.0 ENCLOSURE 4 VENTING DHR (CONT'D) i I
ACTIONS DETAILS i
.4.7 Close DHV-8 l T
]~ 4 -. 8 EXIT this enclosure.
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4.0 ENCLOSURE 4 VENTING DHR (CONT *D) i O ACTIONS- DETAILS i i
STATUS i i
1 Venting Train'B DHR is desired.
i 4 . 9_ Isolate B DHR train.
- Close the following valves: l DHV-40 j DHV-6 I
4.10 Open DHV-7 i
l NDE l l
. Opening DHV-10 may cause backflow from the BWST. j O i
'4.11 Notify PPO to open DHV-10 :
"DH Recirc Iso Bypass" (95 l ft AB Triangle Room). j i
T p
4.12 WHEN DHV-10 is open. !
THEN notify PPO to cycle DHV-30 "DHP-1B vent" (75 l ft AB B DH Room) to vent !
DHP-1B i O. :
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4.0- ENCLOSURE 4 VENTING DitR (CONT'D)
ACTIONS DETAILS 14.13' WHEN venting is complete. l THEN notify PPO to close DHV-10 "DH Recirc Iso Bypass" (95 ft AB Triangle Room).
4.14 Close DHV-7 4.15 EXIT this enclosure.
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AP-404 REV 03 (MC) PAGE 114 of 123 LDHR
4.0 ENCLOSURE 5 VAlVF ALIGNMENT FOR FUfl TRANSFER CANAL GRAVITY FItL
(^,
() Valve Description Position Initial AUX BUILDING SFV-13 BWST Supply Iso (119 ft AB by SFPs) Closed SFV-180 fuel Transfer Tube Drain (119 ft AB under stairs Locked behind SF AH units) Closed SFV-181 Fuel Transfer Tube Drain (119 ft AB under stairs Locked behind SF AH units) Closed SFV-20 SFP to Fuel Transfer Canal (119 ft AB by SFPs) Closed SFV-88 Transfer Canal to SFP Suction (119 ft AB by Open
)
SFV-19 Fuel Transfer Canal AB Iso (119 ft AB Open penetration area)
SFV-21 SFP-2 Suction Iso (119 ft AB by SFPs) Closed i
SFV-12 SFP Suction Iso (119 ft AB by SFPs on mezzanine) Closed l l
,r' 3py,14 SF Cask Area Iso (119 ft AB by SFPs on
( y) mezzanine)
Closed !
REACTOR BUILDING SFV-18 Fuel Transfer Canal RB Iso (129 ft RB by B CFT Open Room)
SFV-187 RB Header Drain (119 ft RB by SFV-18) Closed SFV-5 Fuel Transfer Canal Iso (119 ft RB above CFT-1B) Open SFV-83 Fuel Transfer Canal Drain (95 ft RB by RB sump) Open SFV-84 Fuel Transfer Canal Drain (95 ft RB by RB sump) Open r^
\ ,%)
AP-404 REV 03 (MC) PAGE 115 of 123 LDHR
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1 l 4.0 ENCLOSURE 6 PRESSURIZING CORE FLOOD TANKS ACTIONS DETAILS 6.1 Align the N2-system to . 1 Open " Low Pressure Nitrogen pressurize CFTs. Header Iso" valves (119 ft TB by rollup door):
NGV-154
[ NGV-156
. 2 Close breaker ACDP 4-18 for -
- i. NGHE-1 (Unit 480V SWGR Room).
3 Ensure NGV-9 "High Pressure
" Nitrogen Header Iso" is closed (95 ft TB by FWP-1A).
- 4 Ensure NGHE-1 " Nitrogen Heater Control Switch" is in the "0N" position (95 IB by EFP-2).
4
{ 5 Unlock and open NGV-4 " Low Pressure Nitrogen Cross-Tie Iso" (95 ft IB by EFP-2).
' (3 a.)
i 6.2 E pressurizing CFT-A.
THEN notify Control Room i- to open CFV-28
. T j 6.3 E pressurizing CFT-B. l
!- THEN notify Control Room to open CFV-27
{
I -
l 4-6.4 WHEN pressurizing is complete. CFV-28 !
THEN notify Control Room to close CF isolation CFV-27 valves.
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i 4.0 ENCLOSURE 6 PRESSURIZING CORE FLOOD TANKS (C0i4T'D) f i
~ ACTIONS DETAILS 1
6.5 Select NGHE-1 " Nitrogen , j Heater Control Switch" to -
"0FF" (95 ft IB by EFP-2). I t
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6.6 EXIT this enclosure. l l
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AP-404 REV 03 (MC) PAGE 119 of 123 LDHR i
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1 O-AP-404 REV 03 (MC) PAGE 120 of 123 LDHR
i 5.0 FIGURE 1 RCS TEMP VS PRESS (0 TO 550 PSIG)
O 550 l l
[
l i l l _
LTOP 500 --+ REGION - - -
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l ! ! i ! !
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450 t -
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l l l
~
1 i ! i l
400 NDT LIMIT !
emow and to los ngnt i
\__ ._! !
s;;; 350 i ! / I !
- / ,
ILI E 300 M
O l [l Adequate SCM e i
/ /1 m io. e O
$ 250 ! 1 h l !
E 9 200 Yl, 1 l
150 1 ^
SATURATION
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I ! I i 50 l !
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i ! i i l l l l' 0 h 50 100 150 200 250 300 350 400 450 500 RCS TEMP (F)
O AP-404 REV 03 (MC) PAGE 121 of 123 LDHR
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Parameter Limit MFW Flow to the high 6
< 0.7 X 10 lbm/hr Table 1: nozzles ON Feedwater Source Limits MFW TEMP to the high < 150*F nozzles AFW Pump flow limit < 600 gpm with CST > 5 ft RCS SCM
> 1500 psig 2 30*F-Ade a SCM s 1500 to > 350 psig 2 50 F 5 350 psig SPDS 5 160*F N/A RCP RCS TEMP Cooldown Rate Status 2 1 RCP > 280"F 5 50 F/8 hr Table 3:
Cooldown Rate Limits 280 to 150*F 5 25*F/h hr No RCPs > 150*F 5 25 F/4 hr
<150*F s 5*F/h hr O
AP 404 REV 03 (MC) PAGE 123 of 123 (LAST PAGE) LDHR