ML20199G558

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Rev 4 to AP-404, Loss of Decay Heat Removal
ML20199G558
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 01/12/1999
From:
FLORIDA POWER CORP.
To:
Shared Package
ML20199G556 List:
References
AP-404, NUDOCS 9901220327
Download: ML20199G558 (123)


Text

{{#Wiki_filter:I LDHR REV 04 (MC) AP-404 t LOSS OF DECAY HEAT REMOVAL l

      '1.0   ENTRY CONDITIONS lE the running DHR train is lost.

THEN use this procedure. 2.0 IMMEDIATE ACTIONS NOTE There are no immediate actions for this procedure. l

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l l l I i 9901220327 990113 PDR ADOCK 05000302 P PDR () Approved by MNPO $/[U/[ Mate ///Z/9h (SIGNATURE ON FILE) / ' ' l AP-404 PAGE 1 of 123 LDHR l

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3.0 FOLLOW-UP ACTIONS ACTIONS DETAILS 3.1 Notify personnel of plant

  • STA conditions.
  • Plant operators
  • NSM (evaluate plant conditions for potential entry into the Emergency Plan) 3.2 IF either of t'le following exist:

Rx vessel level is

                  < 132 ft No DHR trains are available THEN GO TO Step 3.5 in this procedure.

3.3 Start available DHR train. . JF A DHR Train will be started. THEN PERFORM Enclosure 1. Starting A Train DHR, in this procedure. IF B DHR Train will be started. TREN PERFORM Enclosure 2, Starting B Train DHR, in this procedure. 3.4 EXIT this procedure. AP-404 REV 04 (MC) PAGE 3 of 123 LDHR

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t 3.0 FOLLOW UP ACTIONS (CONT'D) m

 )                  ACTIONS                                  DETAILS STATUS Either of the following conditions exists:

Rx vessel level is < 132 ft. No DHR trains are available. 3.5 Evacuate the RB. 1 Depress "RB EVACUATION" push button. 2 Notify personnel over PA. , i 3 Repeat PA announcement. l i 1 3.6 lE in Modes 5 or 6.

  • CONCURRENTLY PERFORM the following:

THEN establish containment i closure. Enclosure 3. Containment Closure in Modes 5 or 6. in this procedure. SP-346. Enclosure 1. Containment Penetrations Weekly Check During Refueling Operations, l AP-404 REV 04 (MC) PAGE 5 of 123 LDHR

      -          . . _ _       -     . . -     -                                        .                                     _ _ - _ . . _ =_ -

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I I 3.0 FOLLOW UP ACTIONS (CONT'D) ACTIONS a

    )                                                      DETAILS 3.7        Verify RCS level is 2: 130.2 ft.

IE RCS level is 1 Determine RCS makeup sources:

                 < 130.2 ft.

THEN raise RCS level. RCBTs  ; l SF pools BASTS l i BWST 1 2 Align an available makeup source. I 3 Start addition to RCS to achieve 2: 130.2 ft. s , N l l 1 l I i I i I L. AP-404 REV 04 (MC) PAGE 7 of 123 LDHR

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3.0 FOLLOW UP ACTIONS (CONT'D) l h ACTIONS DETAILS 3.8 E SW cooling is 1 Ensure at least 1 Emergency SW Pump available, is running: THEN ensure SW cooling to l 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 D 5 Ensure CI valves to RB cooling units are closed:  ! SWV-151

                                        . _ SWV-152 SWV-355                         I l

6 Ensure SW valves to RB cooling units ; are open: SWV-353 SWV-354 l l l l l AP-404 REV 04 (MC) PAGE 9 of 123 LDHR l l \ l

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3.0 FOLLOW UP ACTIONS (CONT'D)

    )                 ACTIONS                             DETAILS l

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 o)erating and aligned to closed: R3 cooling units. SWV-353 SWV-354 3 CI valves to RB cooling units are open: SWV-151 SWV-152 SWV-355

m. 3.10 Ensure proper RB cooling
  • E ES has NOT actuated, i unit operation. THEN ensure both ES selected RB s' 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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1 l 1

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1 1

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i 1 0 1

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3.0 F0LLOW UP ACTIONS (CONT'D)

 ;  )                   ACTIONS                               DETAILS 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. p C/ 3.12 WHEN RCS level is

  • E previously running DHR train d 130.2 ft, will be restarted.

THEN start available DHR THEN PERFORM Enclosure 4, train. Venting DHR, in this procedure. 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

  • Notify PPD to CONCURRENTLY PERFORM is filled and vented as Enclosure 4. Venting DHR, in this required. procedure.

n N_] AP-404 REV 04 (MC) PAGE 13 of 123 LDHR

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3.0 FOLLOW UP ACTIONS (CONT'D) ACTIONS DETAILS 3.14 EXIT this procedure. O AP-404 REV 04 (MC) PAGE 15 of 123 LDHR

I Oll l l 1 BLANK PAGE O i l AP-404 REV 04 (MC) PAGE 16 of 123 LDHR

t 3.0 FOLLOW UP ACTIONS (CONT'D) ACTIONS DETAILS 3.15 Ensure available cooling . method and G0.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 ghl Rx vessel head removed canal Fuel transfer canal 3.36 integrity exists O with suction ..Q HPI HPIpum$Tavailable from BW i 3.51 RCS vent path available LPI LPI pumps with suction i 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 i 3.84 from RB sump available l RCS vented to Gravity atmosphere j feed  ! _ _ BWST level > Rx vessel 3.104 Flow path from BWST to RCS available AP-404 REV 04 (MC) PAGE 17 of 123 LDHR

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3.0 FOLLOW UP ACTIONS (CONT'D) ACTIONS DETAILS STATUS OTSG cooling is available. 3.16 Ensure level in available

  • 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. THEN PERFORM E0P-14. Enclosure 7 EFP-2 Management, and start EFP-2 E AFW is designated feed source. THEN PERFORM E0P-14. Enclosure

10. Alternate OTSG Feedwater Supply.

E MFW is designated feed source. THEN PERFORM E0P-14. Enclosure

8. MFW Restoration.

See Table 1 3.17 IF TBVs are NOT available. TiiEN fully open ADVs for available OTSG. 3.18 IF condenser vacuum 1 IF MSIVs are closed. exists. THEN PERFORM E0P-14. Enclosure THEN fully open TBVs for 5. MSIV Recovery. available OTSG. 2 Fully open TBVs. I AP-404 REV 04 (MC) PAGE 19 of 123 LDHR

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AP-404 REV 04 (MC) PAGE 20 of 123 LDHR

3.0 FOLLOW UP ACTIONS (CONT'DJ () n ACTIONS DETAILS 3.19 E a PZR bubble does NOT 1 Turn on all PZR Htrs. exist. AND a bubble is desired. 2 Control PZR heatup rate THEN begin PZR heatup. < 100*F/hr. 3 CONCURRENTLY PERFORM E0P-14 Enclosure 15. E0P Temperature Log (PZR TEMP). 3.20 E a PZR steam bubble l exists. ' THEN use PZR Htrs to i maintain adequate SCM. See Table 2 fd 3.21 E makeup and letdown are in service. THEN GO TO Step 3.25 in 1 this procedure. AP-404 REV 04 (MC) PAGE 21 of 123 LDHR

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i 3.0 FOLLOW UP ACTIONS (CONT *D) I i b

v. ACTIONS DETAILS
                                                                                                                                                               .i I

3.22' Jf MU system is available. 1 See the following to determine  ! l- THEN place in service. restraints-Scheduled maintenance activities t l Equipment Clearance Log l Equipment Out of Service Log  : l 2 CONCURRENTLY PERFORM a)plicable  ! sections of OP-402. Maceup and Purification System, to establish < the following: Suction flow path from MUT to .

suction of selected MVP l i

[ Recirc flow path from selected i i MVP to MUT  ! i Selected MUP lube oil system  ; available Normal makeup flow path from selected MUP to RCS l l i i l ! j l

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                              ~ AP-404                  REV 04 (MC)                                  PAGE 23 of 123                        LDHR i-

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3.0 FOLLOW UP ACTIONS (CONT'D) ACTIONS DETAlls 3.23 IF at any time, MU system 1 Ensure selected MUP cooling alignments have been water system is aligned and verified, operating. THEN 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 backu) gear oil pumps selected to "AJT0" 3 Start selected MUP: 1 MUP-1A , MUP-1B

    )                                              MUP-1C a                                                                                     1 3.24        Ensure letdown flow is     1     CONCURRENTLY PERFORM E0P-14, established and PZR level        Enclosure 4. RCS Letdown maintained.                      Recovery.

2 IF additional-,1etdown flow is l desired. l THEN notify PPO to throttle open I MUV-48 " Block Orifice Bypass" l (119 ft AB Block Orifice Room). 3 Maintain PZR level < 125 in. l l l 9 AP-404 REV 04 (MC) PAGE 25 of 123 LDHR

Applicable carry-over steps: 3.23 1E MU system alignments have been verified, THEN start a MVP. O O AP-404 REV 04 (MC) PAGE 26 of 123 LDHR

3.0 FOLLOW UP ACTIONS (CONT'D) i ACTIONS DETAILS f 3.25 E at any time. PZR TEMP 1 Control RCS PRESS using PZR reaches Tut for desired Htrs. 1 RCS PRESS.  ! T!LEN establish a PZR 2 Begin lowering PZR level to  ! bubble. 100 in (80 to 120 in). (

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         -3,26 E RCP restart is NOT                       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 i procedure. [ 3.27 WHEN MU system is in service, , THEN ensure seal injection flows are > 3 gpm for each

 \                           RCP.

t t i 3.28 Determine which RCPs will

  • 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 t Operating Curves. l O i AP-404~ REV 04 (MC) PAGE 27 of 123 LDHR

Applicable carry-over steps: l 3.25 jf PZR TEMP is Tsat for RCS PRESS. THEN establish a PZR bubble. gi O O AP-404 REV 04 (MC) PAGE 28 of 123 LDHR

l 3.0 FOLLOW UP ACTIONS (CONT'D)  ! ACTIONS DETAILS 3.30 Ensure RCP lift oil pump is operating for selected RCPs. 1 3.31 Ensure RCP start permissives are satisfied. , 3.32 WHEN adequate.RCP NPSH  ; exists. RCP-1A  ; THEN start 2 RCPs. i RCP-1C i RCP-1B RCP-1D /] [%J i t i { l l l 1 AP-404 REV 04 (MC). PAGE 29 of 123 LDHR

Applicable carry-over steps: 3.25 J_E PZR TEMP is Tut for RCS PRESS. THEN establish a PZR bubble. . g O O AP-404 REV 04 (MC) PAGE 30 of 123 LDHR

3.0 FOLLOW UP ACTIONS (CONT *D) V; ACTIONS DETAILS 3.33 Verify RCP parameters are

  • Verify RCP seal pressures are within normal limits. normal.
  • Monitor operating RCP computer groups:

RCP GROUP RCP-1A 78 RCP-1B 79 RCP-1C 80 RCP-1D 81

  • Notify SPO to monitor RC-190-LI '

for RCP oil leakage (119 ft IB by East door). UPPER LOWER c RCP CHANNEL CHANNEL RCP-1A #1 #2 RCP-1B #3 #4 RCP-1C #5 #6 RCP-1D #7 #8 3.34 IE operating parameters are normal. THEN stop operating RCP lift oil pumps. 3.35 WHEN DHR system is available, j THEN notify TSC for additional guidance and EXIT this procedure.

    )
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AP-404 REV 04 (MC) PAGE 31 of 123 LDHR

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            '3.0         FOLLOW UP ACTIONS (CONT *D) t

] ACTIONS DETAILS STATUS  ! Rx vessel head is removed. Fuel transfer canal can be flooded.

  • DH pumps are not running.

l 3.36 IE B DHR train will be i aligned for fuel transfer  ! canal fill. I 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-42 DHV-8

  • Open the following valves:

DHV-34  ! DHV-5 1 i i 3.38 Start gravity fill from

  • Throttle DHV-110 to rnaintain Tinewe l BWST. < 200*F.

l l See Table 3 i i i AP-404 REV 04 (MC) PAGE 33 of 123 LDHR

O 4 1 i 1 BLAT 4K PAGE g 4 k i e O AP-404 REV 04 (MC) PAGE 34 of 123 LDHR I i

3.0 FOLLOW UP ACTIONS (CONT *D) ACTIONS DETAILS CAUTION Minimum level in BWST for DH pump operation is 4.5 ft. 3.39 IF DHP-1A is available. 1 Select DHV-110 controller to ARD 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 3.40 Monitor fuel transfer

  • Throttle DHV-110 to maintain canal fill. Tinem < 200*F.

See Table 3

  • Monitor DHP-1A for cavitation.

3.41 lE at any time. BWST level is s 5 ft. THEN select BWST Htr control switch to " LOCAL" AP-404 REV 04 (MC) PAGE 35 of 123 LDHR

l l Applicable carry-over steps: 3.41 LF BWST level is s 5 ft. THEN select BWST Htr control to " LOCAL" h 9 O AP-404 REV 04 (MC) PAGE 36 of 123 LDHR l

3.0 FOLLOW UP ACTIONS (CONT'D) ( ACTIONS DETAILS I 3.42 JF at any time, fuel 1 Stop DHP-1A  ! transfer canal level is 2 158 ft. 2 Stop DCP-1A THEN stop fuel transfer canal fill. 3 Stop RWP-3A 4 Close DHV-5 5 Close DHV-34 3.43 WHEN DHR system is available. THEN notify TSC for additional guidance and EXIT this procedure.

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l AP-404 REV 04 (MC) PAGE 37 of 123 LDHR i

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3.0 FOLLOW UP ACTIONS (CONT *D) ACTIONS DETAILS STATUS Rx vessel head is removed. Fuel transfer canal can be flooded. DH pumps are not running. 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 D 3.45 Start gravity fill from

  • Throttle DHV-111 to maintain Tinse BWST. < 200*F.

t See Table 3 CAUTION Hinimum level in BWST for DH pump operation is 4.5 ft. 3.46 IE DHP-1B is available. 1 Select DHV-111 controller to I AND increased fill rate is "AUT0" and set for s; 1500 gpm. 1 desired.  ! THEN start DHP-1B and 2 Start DCP-1B required cooling pumps. 3 Start RWP-3B l 4 Start DHP-1B I AP-404 REV 04 (MC) PAGE 39 of 123 LDHR l

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3.0 FOLLOW UP ACTIONS (CONT *D) l l ACTIONS DETAILS 3.47 Monitor fuel transfer

  • Throttle DHV-111 to maintain canal fill. Tincore < 200"F.

See Table 3 Monitor DHP-1B for cavitation. 3.48 E at any time BWST level is s; 5 ft. THEN select BWST Htr control switch to " LOCAL" 3.49 E at any time, fuel 1 Stop DHP-1B transfer canal level is 2 158 ft. 2 Stop DCP-1B THEN stop fuel transfer 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. 8 AP-404 REV 04 (MC) PAGE 41 of 123 LDHR

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  . . - . ..-..-- ....-. ~                  ..  - - _ ..              .-    . - . . - . . . . . . . . . _ . - . . . - . -     ~ .

k 4 3.0 FOLLOW UP ACTIONS (CONT'D) e , 1 f( ) ACTIONS DETAILS l i STATUS l 4

                        .*     HPI cooling is available.
  • RCS vent path is available.

3 3 3.51 Isolate the RB sump.

  • Select RB sump pumps to l , " PULL TO LOCK". 1 1

.t WDP-2A

__ WDP-28
  • Close RB sump discharge valves:

WDV-3 WDV-4 () 3.52 Close waste gas header '

. isolation valves. WDV-406 l WDV-405 4  :

e i1 l i f A s ()' AP-404 REV 04 (MC) PAGE 43 of 123 LDHR I

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l 3.0 FOLLOW UP ACTIONS (CONT'D) 73 Q) ACTIONS DETAILS 3.53 Establish MU system 1 Align BWST to available MUP valves: alignment for HPl cooling. MUV-73 MUV-58 2 Ensure MUP cooling supply is established. 3 Ensure MUP lube oil is properly aligned for available MUP: 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.

3.55 Energize HPI recirc to . Notify PPO to unlock and close sump valves. DPDP 8A-4 "MUV-543. MUV-544" (A ES 4160V SWGR Room).

  • Notify PPO to unlock and close DPDP 88-8 "MUV-545. MUV-546" (B ES 4160V SWGR Room). i l

r~s G. AP-404 REV 04 (MC) PAGE 45 of 123 LDHR

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3 .0 F0LLOW UP ACTIONS (CONT *D) i
 ;                                                     ACTIONS                                                           DETAILS                          I i                                   3.56           Open HPI recirc to sump                                                                                 l' r                                                  valves.                                             MUV-543

$ MUV-544 i

MUV-545 l MUV-546 4

I l 3.57 Ensure MUP recirc to MUT I 1 valves are closed. MUV-53 , i I i MUV-257 I i I 3.58 Isolate MUP discharge flow

  • Ensure the following valves are paths. closed:
MUV-24 l MUV-23 MUV-25 i MUV-26 i

i MUV-18 , l 1 MUV-27 e l 0 l AP-404 REV 04 (MC) PAGE 47 of 123 LDHR l l

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3.0 FOLLOW UP ACTIONS (CONT'D) rn (u.j) ACTIONS DETAILS 3.59 IE a MUP is NOT running. THEN start available MUP. 3.60 Open HPI valve as

  • Throttle HPI valve to maintain Tincore required. < 200 *F.

[ Rule 2. HPI Control] See Table 3 3.61 JF at any time, RCS PRESS approaches NDT, THEN cycle PORV to - maintain RCS PRESS < NDT limit. See Figure 1 (v) 3.62 Notify Chemistry to sample RB sump for boron. l l l L) AP-404 REV 04 (MC) PAGE 49 of 123 LDHR

Applicable carry-over steps: 3.61 J.E RCS PRESS approaches NDT. THEN cycle PORV to maintain RCS PRESS. . g O f 4' O AP-404 REV 04 (MC) PAGE 50 of 123 LDHR

3.0 FOLLOW UP ACTIONS (CONT *D) fs k,) s ACTIONS DETAILS 3.63 IE at any time, normal DHR is available. THEN notify TSC for additional guidance and EXIT this procedure. 3.64 IE at any time, adequate SCM based on Tbcore was lost. THEN notify TSC for boron precipitation guidance. See Table 2

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l l O AP-404 REV 04 (MC) PAGE 51 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. h 3.64 E adequate SCM based on Tincore was lost, THEN notify TSC. i t l O l l 1 l l l I O AP-404 REV 04 (MC) PAGE 52 of 123 LDHR

i 3.0 FOLLOW UP ACTIONS (CONT'D) ( ACTIONS DETAll.S 3.65 WHEN all the following 1 Ensure BWST recirc valve is closed 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 ) argin A Train B Train THEN establish LPI from RB sump on selected train. DHV-42 _ DHV-43 - 1 l 3 Ensure BWST to DHP valve is closed on selected train: A Train B Train DHV-34 DHV-35 4 Ensure LPI control is in "AUT0" and set for 1400 gpm on selected train: A Train B Train DHV-110 DHV-ill l s V AP-404 REV 04 (MC) PAGE 53 of 123 LDHR

IApplicablecarry-oversteps: 3.61 E RCS PRESS approaches NDT THEN cycle PORV to maintain RCS PRESS. g. 3.63 E normal DHR is available. THEN notify TSC for additional. 3.64 E adequate SCM based on Tincere was lost. THEN notify TSC. O O AP-404 REV 04 (MC) PAGE 54 of 123 LDHR

3.0 FOLLOW UP ACTIONS (CONT *D) 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 RWP-3A RWP-3B DHP-1A DHP-1B 2 Throttle LPI flow to < 1400 gpm on selected train: A Train B Train DHV-5 DHV-6 3.67 Adjust DC cooling on (')) w selected train. A Train B Train See Table 3 DCV-177-MS DCV-178-MS 4 i O %.J i AP-404 REV 04 (MC) PAGE 55 of 123 LDHR

Applicable carry-over steps: 3.61 E RCS PRESS approaches NDT, THEN cycle PORV to maintain RCS PRESS. g 3.63 E normal DHR is available, THEN notify TSC for additional. . 3.64 E adequate SCM based on Tinme was lost, THEN notify TSC.. O O AP-404 REV 04 (MC) PAGE 56 of 123 LDHPs

I i 3.0 FOLLOW UP ACTIONS (CONT'D) l ACTIONS DETAILS 3.68 IF at any time, all the 1 Adjust LPI flow to s 900 gpm. T5110 wing conditions , i exist: 2 0)en LPI pump discharge to running MJP suction: At least 1 LPI pump is  ; running ' LPI pump aligned to RB sump DHV-11 DHV-12 Associated HPI pump running 3 Close BWST to MVP valve: t LPI to HPI alignment . is desired A Train B Train OR BWST level is  ! W 4.5 ft MUV-73 MUV-58 l THEN align LPI to HPI ( suction. j s l 3.69 WHEN normal DHR is  ! l available. ' ! THEN notify TSC for additional guidance and i t EXIT this procedure. l l t ! I i ( l i i iO I AP-404 l REV 04 (MC) PAGE 57 of 123 LDHR l l \

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3.0 FOLLOW-UP ACTIONS (CONT'D) ( V) ACTIONS DETAILS STATUS LPI cooling is available. 3.70 Isolate the RB sump.

  • Select RB sump pumps to
                                                      " PULL TO LOCK" WDP-2A WDP-2B
  • Close RB sump discharge valves:

4 WDV-3 WDV-4 g)  ;

  'd     3.71      Close waste gas header isolation valves.                       WDV-406 WDV-405 1
  .[   g AP-404         REV 04 (MC)           PAGE 59 of 123             LDHR

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I l 3.0 FOLLOW UP ACTIONS (CONT'D) l l (j ACTIL DETAILS l 3.72 Align LPI for cooling. 1 Close the following valves for selected train: , 2 A Train B Train DHV-8 DHV-7 DHV-5 DHV-6 DHV-75 DHV-76 i DHV-105 DHV-106 DHV-11 DHV-12 2 Open the following valve for selected train: A Train B Train r

, (,3)                                            DHV-34        DHV-35 3 Ensure LPI control valve for selected train is in "AUT0" and set for 1400 gpm:

A Train B Train DHV-110 DHV-111 4 Open the following valve for i selected train: A Train B Train DHV-5 DHV-6 O

AP-404 REV 04 (MC) PAGE 61 of 123 LDHR
el l i

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l 3.0 FOLLOW UP ACTIONS (CONT *D) (; ACTIONS DETAILS CAUTION , Minimum level in BWST for DH pump operation is 4.5 ft. 4 3.73 Start selected LPI pump and cooling water pumps. A Train B Train DCP-1A DCP-1B RWP-3A RWP-3B DHP-1A DHP-1B 3.74 Establish LPI flow.

  • Throttle LPI control valve to a

maintain Tincore < 200*F:

O l A Train B Train DHV-110 DHV-111 l See Table 3 ,
                                                                                         )
                                                                                         )

l 3.75 lE at any time, additional 1 Ensure RCV-11 is open. N u Rb RE 5, 2 Cycle the PORV to increase flow. l l l O AP-404 REV 04 (MC) PAGE 63 of 123 LDHR i

l l Applicable carry-over steps: 3.75 lE additional LPI flow is required, reduce RCS PRESS. g 1 1 O l O AP-404 REV 04 (MC) PAGE 64 of 123 LDHR l

3.0 FOLLOW UP ACTIONS (CONT'D) 1 [ ,) ACTIONS DETAILS 3.76 IE at any time. RB flood 1 Throttle selected LPI train flow to level is 2 2.5 ft, s; 1400 gpm: THEN transfer selected LPI pump suction to RB sump. A Train B Train DHV-110 OHV-111 2 Open RB sump to DHP valve on selected train: 1 A Train B Train DHV-42 DHV-43 3 Close BWST to DHP valve on selected train: A Train B Train ( DHV-34 DHV-35 4 Adjust DC cooling on selected train: A Train B Train DCV-177-MS DCV-178-MS See Table 3 3.77 IE at any time, adequate l SCM based on Tincore was  ! l ost.. THEN notify TSC for boron precipitation guidance. See Table 2 l [l

V l AP-404 REV 04 (MC) PAGE 65 of 123 LDHR t

Applicable carry-over steps: I 3.75 E additional LPI flow is required, reduce RCS PRESS. g 3.76 E RB flood level is 2 2.5 ft, transfer selected LPI pump suction. 3.77 E adequate SCM based on Tincore was lost. THEN notify TSC. O O AP-404 REV 04 (MC) PAGE 66 of 123 LDHR

l 3.0 FOLLOW-UP ACTIONS (CONT'D)

c l( ACTIONS DETAILS 3.78 WHEN normal DHR is
available.

l THEN notify TSC for ! additional guidance and EXIT this procedure. l 'rbt

 \
  %J l

l l l l l l ,(_) AP-404 REV 04 (MC) PAGE 67 of 123 LDHR

. \ l l 1 ~ 1 BLANK PAGE O O AP-404 REV 04 (MC) PAGE 68 of 123 LDHR

3.0 FOLLOW UP ACTIONS (CONT'D) ACTIONS DETAILS STATUS CFTs are available for core cooling. 3.79 1E CFT PRESS is > RCS 1 Notify PPO to unlock and close CFT PRESS. l isolation valve Bkrs (119 ft AB): l THEN establish flow from CFTs. ES MCC 3AB-6B "CFV-5 A CFT Iso"  ! ES MCC 3AB-6C "CFV-6 B CFT Iso" , 2 Notify PP0 to jog open one or  ! both CFT isolation valves at >

respective breakers.

CFV-5 l t CFV-6  ! 3 Adjust flow to maintain the l following:  : s Tince < 200*F  : i RCS PRESS < NDT curve i l See Figure 1 5 i i  : ! t i i iO j i AP-404 REV 04 (MC) PAGE 69 of 123 LDHR i 4-  ; l i

  . . __   .-   . ..       .       .     ... _ - . . .=_ _  ..  . _. . - _ _ - .

2 i i e , I 't j d i 1 i BLANK PAGE e, ' O AP-404 REV 04 (MC) PAGE 70 of 123 LDHR

3.0 FOLLOW UP ACTIONS (CONT'D)

         )                  ACTIONS                                DETAILS v

3.80 IF at any time, additional

  • Notify SP0 to PERFORM Enclosure 6.

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 IF at any time, RCS PRESS 1 Ensure RCV-11 is open. is > CFT PRESS, QR additional CFT flow is 2 Open the PORV. required. THEN reduce RCS PRESS. 3.82 lE at any time, adequate SCM based on Tincore was s lost. ( ') THEN notify TSC for bcron

 \>                   precipitation guidance.

See Table 2 l 3.83 WHEN normal DHR is available. THEN notify TSC for additional guidance and l EXIT this procedure. (_/ AP-404 REV 04 (MC) PAGE 71 of 123 LDHR

O l 1 l 1 s BLANK PAGE O 1 I O AP-404 REV 04 (MC) PAGE 72 of 123 LDHR l l l ________j

       . . .    .        . -_-          . _ - - - - . - . - - - . - _ - . . _ . . . - -                       - . = .      _ . . . - . -

3.0 FOLLOW UP' ACTIONS (CONT *D1 ACTIONS DETAILS  : 1 STATUS

  • RB sump can be flooded.

] LPI pump with suction from RB sump is available. i i 3.84 Isolate the RB sump.

  • Select RB sump pumps to 4
                                                                                        " PULL TO LOCK"-                                    ,

WDP-2A WDP-2B

  • Close RB sump discharge valves:

i WDV-3 WDV-4 O  : 3.85 Open BWST to DHP valves on . selected LPI Train. A Train B Train f DHV-34 DHV-35 ' 3.86 Jf alternste RB sump fill path is desired (BWST through fuel transfer canal deep end to RB  ; sump),  ! THEN GO TO Step 3.94 in this procedure. O AP-404 REV 04 (MC) PAGE 73 of 123 LDHR

O BLANK PAGE O AP-404 REV 04 (MC) PAGE 74 of 123 LDHR

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 D i AP-404 REV 04 (MC) PAGE 75 of 123 LDHR

O 1 4 BLANK PAGE O O AP-404 REV 04 (MC) PAGE 76 of 123 LDHR

3.0 FOLLOW UP ACTIONS (CONT'D) ACTIONS DETAILS 3.89 WHEN RB flood level is 1 Ensure BWST recirc valve on selected 2 2.5 ft. train is closed: THEN establish LPI from RB sump with selected train. A Train B Train DHV-B DHV-7 2 Open RB sump to DHP valve on selected train: l l A Train B Train DHV-42 _ DHV-43 3 Ensure BWST to DHP valve is closed on selected train: l l A Train B Train DHV-34 DHV-35 4 Open LPI injection valve on selected train: A Train B Train DHV-5 DHV-6 O AP-404 REV 04 (MC) PAGE 77 of 123 LDHR

O BLANK PAGE g 1 l i O AP-404 REV 04 (MC) PAGE 78 of 123 LDHR

3.0 FOLLOW UP ACTIONS (CONT *D) i ACTIONS DETAILS 3.90 Start LPI pump and 1 Start pumps for selected train: i required cooling water  : pumps. A Train B Train DCP-1A DCP-1B  ! i RWP-3A RWP-3B  ! i DHP-1A DHP-1B 2 Throttle DHV-110 or DHV-111 to i maintain the following: l Tinem < 200*F Maximum DHR flow s 1400 gpm l See Table 3 O 3.91 Cycle the PORV to maintain RCS PRESS s NDT. I See Figure 1 I i 3,92 IE at any time, adequate  ! SCM based on Tince is lost.  ! THEN notify TSC for boron precipitation guidance. ) l l See Table 2 3.93 WHEN normal DHR is available. THEN notify TSC for additional guidance and EXIT this procedure. AP-404 REV 04 (MC) PAGE 79 of 123 LDHR

O 4 BLANK PAGE O J 3 9 l AP-404 REV 04 (MC) PAGE 80 of 123 l LDHR l

3.0 FOLLOW-UP ACTIONS (CONT'D) m ACTIONS -(G' DETAILS STATUS Alternate RB sump flood method is desired. 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.

  ,,   3.96       WHEN Enclosure 5 is             + Notify PPO to throttle open SFV-13 complete.                         "BWST Supply Iso" for desired flow

( -) - 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:

2 2.5 ft, THEN restore lineup. SFV-13 "BWST Supply Iso" (119 ft AB by SFPs) I SFV-19 " Fuel Transfer Canal AB Iso" (119 ft AB penetration area) i l 3.98 Close waste gas header l isolation valves. WDV-406 I WDV-405  !

,/^~g AP-404          REV.04 (MC)          PAGE 81 of 123                LDHR

{

d O i 4 . -{ j i 4 ) BLANK PAGE O e i 4 O AP-404 REV 04 (MC) PAGE 82 of 123 LDHR i

i l l l 3.0 FOLLOW UP ACTIONS (CONT'D) 1 s I

   ,)                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 v

   ')                                                DHV-34       DHV-35 4 Open LPI injection valve on selected train:

A Train B Train DHV-5 DHV-6 O AP-404 REV 04 (MC) PAGE 83 of 123 LDHR 1 l l

l 9 l BLANK PAGE O s b O AP-404 REV 04 (MC) PAGE 84 of 123 LDHR

3.0 FOLLOW UP ACTIONS (CONT *0) ACTIONS DETAILS 3 100 Start LPI pump and 1 Start pumps for selected train: I required cooling water pumps. A Train B Train DCP-1A DCP-1B RWP-3A RWP-3B DHP-1A DHP-1B 2 Throttle DHV-110 or DHV-111 to maintain the following: Tinese < 200*F Maximum DHR flow s 1400 gpm See Table 3 [] ' 3.101 Cycle the PORV to maintain RCS PRESS s NDT. See Figure 1 3.102 IE at any time, adequate l SCM based on Tinews was lost. l THEN notify TSC for boron ' precipitation guidance. See Table 2 3.103 WHEN normal DHR is available. THEN notify TSC for I additional guidanc' and , EXIT this procedure. I !\ AP-404 REV 04 (MC) PAGE 85 of 123 LDHR j

f O i 1 l BLANK PAGE O AP-404 REV 04 (MC) PAGE 86 of 123 LDHR

1 3.0 FOLLOW UP ACTIONS (CONT'D1 (' ACTIONS DETAILS STATUS l

  • Gravity feed from BWST to RCS is available.
  • RCS vent path is available.

3.104 JF B DHR train will be aligned for gravity feed. THEN GO TO Step 3.110 in this procedure. 3.105 Align A DHR train for 1 Close DHV-39 gravity feed from BWST. 2 Close DHV-42 3 Close DHV-8 O'.\ 4 Open DHV-34 5 Open DHV-5 I 3.106 IF RCS vent path is upper

  • Throttle DHV-110 to maintain OTSG hand holes. Tinem < 200*F during fill .

OR upper primary manway. THEN start gravity fill See Table 3 from BWST.

  • Monitor BWST level.

l l 1 o l AP-404 REV 04 (MC) PAGE 87 of 123 LDHR i

O BLANK PAGE i l i O AP-404 REV 04 (MC) PAGE 88 of 123 LDHR

3.0 FOLLOW-UP ACTIONS (CONT'D)

  ^
,'  ')                ACTIONS

'\ j DETAILS 3.107 J.E alternate vent paths . Throttle DHV-110 to maintain exist. Tincore < 200*F during fill . THEN start gravity fill. See Table 3 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 Tincore was lost.

'~T              THEN notify TSC for boron C)               precipitation guidance.

See Table 2 3.109 WHEN normal DHR is available. THEN notify TSC for additional guidance and EXIT this procedure. (^'s  ! LJ l AP-404 REV 04 (MC) PAGE 89 of 123 LDHR l

                                          ^ " - - - e .__      _ , _ _

d l i . BLANK PAGE l l 1 l i

                                                                         )

i 1 4 AP-404 REV 04 (MC) PAGE 90 of 123 LDHR l

3.0 FOLLOW UP ACTIONS (CONT'D) ( q ,i

      ')                 ACTIONS                                     DETAILS STATUS B DHR train will be aligned for gravity feed from BWST.

3.110 Align B DHR train for 1 Close DHV-40 gravity feed from BWST. 2 Close DHV-43 3 Close DHV-7 4 Open DHV-35 5 Open DHV-6 3.111 E RCS vent path is upper

  • Throttle DHV-111 to maintain
  ,m                OTSG hand holes,                      Tincore < 200*F during fill .

(v' ) OR upper primary manway, THEN start gravity fill See Table 3 from BWST. Monitor BWST level. 3.112 E alternate vent paths

  • Throttle DHV-111 to maintain exist. Tincore < 200 *F.

THEN start gravity fill. See Table 3

  • Monitor applicable level instrumentation during fill:

BWST level PZR level Rx vessel level Hot leg level

 /'~~'s G

AP-404 REV 04 (MC) PAGE 91 of 123 LDHR

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3.0 FOLLOW UP ACTIONS (CONT'D) t - !( < s_ s) ACTIONS DETAILS 3.113 IE at any time, adequate SCM based on Tinem was lost. THEN notify TSC for boron precipitation guidance. , See Table 2 t 3.114 WHEN normal DHR is  ; available. THEN notify TSC for additional guidance and EXIT this procedure. k i 1 i i l l l I

 ,)

s_ / j l AP-404 REV 04 (MC) PAGE 93 of 123 LDHR i

O t BLANK PAGE g O AP-404 REV 04 (MC) PAGE 94 of 123 LDHR

5.0 ENCLOSURE 1 STARTING A DHR TRAIN i

                    -ACTIONS                                                   DETAILS                !
                                                                                                      ?

i 1.1 Ensure DHP-1B is not I running. i 1.2 Position DCV-177-MS to "0" ' for minimum cooling. I i 1.3 Align DHP-1A for DHR.

  • Ensure the following valves are I closed- '

DHV-34  ! DHV-42  ! DHV-8 i DHV-75  ! DHV-105 DHV-11 DHV-76 DHV-106 DHV-40 DHV-6 1 1 1.4 Open DHP-1A isolation ' valves. DHV-39

                                                               'DHV-5 i

, i

l
V

( AP-404 REV 04 (MC) PAGE 95 of 123 LDHR

 ._.                                         - ..= .     .-. - . . . - _ _

l O 1 1 I 4 BLANK PAGE O, i i 4 i AP-4b4 REV 04 (MC) PAGE 96 of 123 LDHR

4.0 ENCLOSURE 1 STARTING A DHR TRAIN (CONT'D) (~'~, l ('- ; ACTIONS DETAILS i 1.5 Align drop line for DHR 1 Open DHV-41 i operation. 2 Open DHV-3 3 Open 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 f~') desired for plant cooling.

(_ / conditions. See Table 3

  • Monitor " Cooler Outlet" TEMP 4 (DH-2-TII) to determine RCS i cooling.

1.8 EXIT this enclosure. i I l

   %_w l              AP-404          REV 04 (MC)     PAGE 97 of 123                LDHR   I 1

O BLANK PAGE O AP-404 REV 04 (MC) PAGE 98 of 123 LDHR

I 4.0 ENCLOSURE 2 STARTING B DHR TRAIN l

,, -n

(-) ACTIONS DETAllS , l 2.1 Ensure DHP-1A is not  ! running. l 2.2 Position DCV-178-MS to "0" for minimum cooling.  ! 2.3 Align DHP-1B for DHR.

  • Ensure the fcllowing valves are closed:

DHV-35 DHV-43 DHV-7

7. , DHV-76 t \

'm/ DHV-106 DHV-12 DHV-75 DHV-105 DHV-39 __ DHV-5 2.4 Open DHP-1B isolation ~ valves. DHV-40 DHV-6

  ^

r L)T AP-404 REV 04 (MC) PAGE 99 of 123 LDHR

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I l

i i i 1 1 1 i l

                                                                        )

f O' AP-404 REV 04 (MC) PAGE 100 of 123 LDHR

____ ._..._ _ _.- _.._.. .._ . . _.. _. . . . _ . . . . _ _ . _ . _ . - _ . _ . _ _ ._.m_. _ _ . . i

                          '4.0    ENCLOSURE 2 STARTING B DHR TRAIN (CONT'D)

. 1 1 ACTIONS DETAILS 2.5 Align drop line for DHR 1 Open DHV-41 operation. } }  ; 2 Open DHV-3 3 _._ Open DHV-4  ! 2.6 .._ Start B DHR train. 1 Start DCP-1B 2 Start RWP-3B  ! 3 Start'DHP-1B 4 Throttle DHV-111 to maintain approximately 3000 gpm. 2.7 ' Stabilize RCS TEMP as

  • Adjust DCV-178-MS for desired p der. ired for plant cooling.

l s conditions. See Table 3 ' i e Monitor " Cooler Outlet" TEMP  ; (DH-2-TI2) to determine RCS  : cooling. i 2.8 EXIT this enclosure. r i i i O l i AP-404 REV 04 (MC) PAGE 101 of 123 LDHR -

O i i I I BLANK PAGE O AP-404 REV 04 (MC) PAGE 102 of 123 LDHR

i 4.0 ENCLOSURE 3 CONTAINHENT CLOSURE IN MODES 5 OR 6 ACTIONS - [v) QETAILS 3.1 Ensure containment

  • Ensure equipment hatch is closed closure. and held in place by 2 16 bolts.

Ensure 2 1 door in each air lock is closed. 3.2 JF RB purge is in 1 Notify SP0 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

 /^N                                                  closed:

AHV-1C AHV-1B AHV-1D AHV-1A 3 Ensure both RB purge supply fans are off: l AHF-6A l AHF-6B l 4 Ensure both RB purge exhaust fans are off: AHF-7A i AHF-7B cx s i

  \d l                AP-404         REV 04 (MC)         PAGE 103 of 123               LDHR f

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4.0 ENCLOSURE 3 CONTAINMENT CLOSURE IN H0 DES 5 OR 6 (CONT'D)

     -y

( ,) , ACTIONS DETAILS 3.3 Determine if in progress

  • Review Containment Penetration log.

work involves open containment penetrations. 3.4 Notify Shop Supervisors to initiate containment closure requirements. m

 'w ]1 l

l l l l l

. \_ /

AP-404 REV 04 (MC) PAGE 105 of 123 LDHR

O BLANK PAGE O AP-404 REV 04 (MC) PAGE 106 of 123 LDHR

4.0 ENCLOSURE 4 VENTING DHR ACTIONS DETAILS 4.1 IF B DHR train will be Tilled and vented. THEN GO TO Step 4.9 in this enclosure. 4.2 Isolate A DHR train. e Close the fol'ucny valves: DHV-39 DHV-5 4.3 Open DHV-8 NOTE Opening DHV 1? may cause backflow from the BWST. 4.4 Notify PPO to o)en DHV-10 "DH Recirc Iso 3ypass" (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 t 4.6 WHEN venting is complete THEN notify PPO to close DHV-10 "DH Recirc Iso Bypass" (95 ft AB Triangle Room). AP-404 REV 04 (MC) PAGE 107 of 123 LDHR

O BLANK PAGE O' O AP-404 REV 04 (MC) PAGE 108 of 123 LDHR

i l 1 4.0 ENCLOSURE 4 VENTING DHR (CONT'D) l ACTIONS DETAILS

                                                                                                                    )

4 4.7 Close DHV )i 4.8 EXIT this enclosure. l P L i O O  ! l i i

                                                                                                                    ?

l t I i AP-404 REV 04 (MC) PAGE 109 of 123 LDHR  ! t

O f BLANK PAGE O l i I l l i i O AP-404 REV 04 (MC) PAGE 110 of 123 LDHR l

4.0 ENCLOSURE 4 VENTING DHR (CONT'D) h ACTIONS DETAILS STATUS Venting Train B DHR is desired. 4.9 Isolate B DHR train.

  • Close the following valves:

DHV-40 DHV-6 4.10 Open DHV-7 NOTE Opening DHV-10 may cause backflow from the BWST. 4.11 Notify PPO to open DHV-10 '

             "DH Recirc Iso Bypass" (95 ft AB Triangle Room),

1 4.12 _ _ WHEN DHV-10 is open. l THEN notify PPO to cycle , DHV-30 "DHP-1B vent" (75 l ft AB B DH Room) to vent DHP-1B G AP-404 REV 04 (MC) PAGE 111 of 123 LDHR

1 0

                                              )

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I 4.0 ENCLOSURE 4 VENTING DHR (CONT'D) ACTIONS DETAILS 4.13 WHEN venting is complete. 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. v O AP-404 REV 04 (MC) PAGE 113 of 123 LDHR

O P BLANK PAGE O AP-404 REV 04 (MC) PAGE 114 of 123 LDHR

4.0 ENCLOSURE 5 VALVE ALIGNMENT FOR FUEL TRANSFER CANAL GRAVITY FILL 9 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 penetration area)                                  Open SFV-21   SFP-2 Suction Iso (119 ft AB by SFPs)              Closed SFV-12   SFP Suction Iso (119 ft AB by SFPs on mezzanine)   Closed SF Cask Area Iso (119 ft AB by SFPs on d    SFV-14 mezzanine)                                         Closed REACTOR BUILDING                               l SFV-18    Fuel Transfer Dnal RB Iso (129 ft RB by B CFT Room)                                              Open 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 sun))   Open SFV-84    Fuel Transfer Canal Drain (95 ft RB by RB sump)   Open i

l l O AP-404 REV 04 (MC) PAGE 115 of 123 LDHR

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r i i 4.0 ENCLOSURE 6 PRESSURIZING CORE FLOOD TANKS  ! t

g.  !

() ACTIONS DETAILS 6.1 Align the N2 system to 1 Open " Low Pressure Nitrogen pressurize CFTs. Header Iso" valves (119 ft TB by I rollup door): NGV-154 I NGV-156  ! 2 Close breaker ACDP 4-18 for  ! NGHE-1 (Unit 480V SWGR Room). 3 Ensure NGV-9 "High Pressure  : Nitrogen Header Iso" is closed (95 ft TB by FWP-1A). i 5 4 Ensure NGHE-1 " Nitrogen Heater i Control Switch" is in the "0N"  : position (95 ft IB by EFP-2). 5 Unlock and open NGV-4 " Low Pressure Nitrogen Cross-Tie Iso" (95 ft IB by EFP-2). j ,O 6.2 JF 3ressurizing CFT-A. l THE4 notify Control Room l to open CFV-28 I i i 6.3 IF 3ressurizing CFT-B, I THE1 notify Control Room to open CFV-27 l l 6.4 WHEN pressurizing is 1 complete. CFV-28 t THEN notify Control Room  ; to close CF isolation CFV-27 , valves. i i l AP-404 REV 04 (MC) PAGE 117 of 123 LDHR

O j i i l l l i BLANK PAGE O' O AP-404 REV 04 (MC) PAGE 118 of 123 LDHR

_ _ _ _ _ . . . . _ _ = _ _ . _ _ _ . _ . _ _ _ _ _ _ _ _ . ~ . . . . . . . _ . _ _ _ __. _ - _ _ _ . . . . - - . - 4 j, 4.0 ENCLOSURE 6 . PRESSURIZING CORE FLOOD TANKS (CONT'D) I 3 ACTIONS DETAILS i L 6.5 Select NGHE-1 " Nitrogen Heater Control Switch" to ) j "0FF" (95 ft IB by EFP-2). '

6.6 - EXIT this enclosure. I i

i i l- . S-  ; Q l%) I 2 s i- i i t i i J' O AP-404 REV 04 (MC) PAGE 119 of 123 LDHR

1 1 I l 9 BLANK PAGE O i I l l l 1 AP-404 REV 04 (MC) PAGE 120 of 123 LDHR

5.0 FIGURE 1 RCS TEMP VS PRESS (0 TO 550 PSIGl

O
   'J                                                                                                                              l 550 ll LTOP

. 500 REGION - A

                                                             -                                                  /

. 450 . /

                                                                                                              /

400 j NOT UMIT j 4 I a;;; 350 V /

       *                                       /

300 /

!      M                                                                                         '

O Adequate SCM 2 l n j 3 200

                                                                   /                         /

150 i f

                                                                                         /. SATURATION l; 1                                                                                                   Curve
                                                                                     /j'                   l1 100                                                                              -,

i

;                                                                                                                                  l l

l l 1 50 i l 1 l

                                                        '                                                                          i O                                                                                                                   I

) 50 100 150 200 250 300 350 400 450 500 RCS TEMP (F) O . AP-404 REV 04 (MC) PAGE 121 of 123 LDHR

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   . . - . -       ..      =  _    _ _ = - _          .      - - .---.      -    .   .-     .-. -. -. . -

i Parameter Limit l MFW Flow to the high < 0.7 X 10' lbm/hr '(]O Table 1: nozzles  ! i ' Feedwater Source Limits MFW TEMP to the high < 150*F nozzles AFW Pump flow limit < 600 gpm with CST > 5 ft RCS SCM h > 1500 psig 2 30*F Adeqba SCM 5 1500 to > 350 psig 2 50*F 5 350 psig SPDS 5 160 F N/A p\ RCP Status RCS TEMP Cooldown Rate U t 1 RCP > 280 F 5 50*F/8 hr Table 3: Cooldown Rate Limits 280 to 150*F 5 25'F/8 hr No RCPs > 150 F 5 25"F/8 hr

                                                            <150 F       5 5*F/8 hr                       l 8              AP 404          REV 04 (MC)             PAGE 123 of 123 (LAST PAGE)        LDHR}}