ML051930143

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051930143
Person / Time
Site:	Point Beach
Issue date:	04/26/2004
From:	Branam T Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051930143 (3)

Text

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                                                      - Point Beach Nuclear Plant
       ,     PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date:*      April 26,2004.       Time:        0200         Preparer:                T. R. Branam            U     I          R        28 I     NOTE:          Refer to baseprocedureNP103.6forsafety assessment checklist KSFdefinitions.

NOTE W~heneverfuel has been removedfroin the reactor vessel and refueling cavity Wll key soretyfinctions are GREEN excet spentfuelpool cooling. KEY SAFETY FUNCTION CRITERIA: No/False 0, Yes/True = I through 4 REACTIVITY Subtotal Condition

l. RCS Boron concentration = 3005 ppm a.) For RSD, RCS boron >Refueling boron concentration specified in unit-specific COLR (TRM 2.1) >2200 ppm b.) For CSD and prior to RSD no fuel motion, RCS boron > boron concentration required by OP 3C (0-1) 1 0-1 RED

2. Number of boration paths (0-2) 1 2

3. No fuel motion (0-1) 0- 34

4. SR Instrumentation operable (0-1) 1 5 Cavity.Boron concentration =.2999 ppm SFP Boron concentration 3086 ppm Subtotal 3 CORE COOLING Subtotal Condition

       .1.      Number of SG available for DHR                                 (0-2)       0        0-1             RED

2. Refueling cavity filled (0-1) 1 2 OA=

3. Number of trains RHR available (0-2) 1 3 4., RCS level above REDUCED INVENTORY (0-1) I 4-5

RCS TEMP =77F; 23 days shutdown, Subtotal = 3 RCS Level = Refueling Height RCS Time to Boil 25 hrs (Applicable at Cold or Refueling Shutdown) ..

POWER AVAILABILITY Subtotal Condition

1. Independent off-site power sources ' RED available to A-05 and A-06 (totally 2 ORANGE independent at the 4160 V, 13.8 kV,' 3 and 345 kV levels) (0-2) 2 4-5,

2. G-01 or G-02/A-OS/B-03 available (0-1) 1 G-03 or G-041A-06/B-04 available (0-1) 1

3. G-05 available, Reactor Cavity filled to 2 23 ft above the top of the reactor vessel flange, upper internals removed and RCS time to boil 2 12 hours. (0-1) I Subtotal 5 INVENTORY, ... .... - .. Subtotal Condition

1. Pressurizer level 220 percent w/lead on . , . , .. 0-l , RED' (0-1) 0 2 ORANGE

2. Refueling Cavity filled (see definition) (0-3) 3 3 ML

3. RCS level above REDUCED INVENTORY (0-I) I 4

4. Makeup from VCT/BLENDER and/or RWST available (0-2) 0 Subtotal 4 Informatinn ithis r1rnrd wc ipI~eI inaccordance wit 1 1he Freedom of Information Act,erpin .

    .PBF-1562            FO!A      -                                    Page I                                  

References:

NP 10.3.6 Revision 2 10/30102PaeI - I of 9 . NP 10.2.1 l

I Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST CONTAINMENT Subtotal Condition

1. Containment integrity (TS 15.1 .D) (Containment 0 RED; Operable) -{ITS TS 3.6.1) set (O or 4) 0 I. I

2. Containment Closure CL-IE maintained 2-3 and closure < time to boil (O or 2) 2 4-5-6

3. No fuel motion . ( 0-1) .. 0 *.1. 11.

4. DHR Capability:

              -     cavity flooded and internals out OR'
              -     at least one SG available OR
              -     one fan cooler with Equip hatch
                  - installed and personnel hatches capable of being shut                                 (0-1)       1 Subi6tal      =    3 SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND tduring FULL CORE OFFLOADS)

NOTE: Take creditforonly one P-12 Independent offsite power sourceduringperiods of single X-03 or X-04 avallability (*. Subtotal Condition

              'A' SFP cooling pump available                                                   0-1         -RED,:

' -with power available from: ,2 .ORANGE G-02 orG-0I via 2B-32 (0-1) .1 3

              .(*) an independent off-site power                                               4-5 source different than that for                                        :              -

Train B below (0-1) 1 -

2. ABE SFP cooling pump available po ver available from: ,

              , with                                               , , ,
              -     G-03 or G-04 via IB-42                                (0-1)      I1 an iudependent off-site power source different than that for Train A above                                         (0-1)      1
  -;3.       -Temporary power available to one SFP cooling
       " -pump, G-05 available, and SFP time to boil 2 12 hours.                                                     (0-1)      0 SFP Temperatures:                                             Subtotal,-.        4  :

NW 77 CF SE 73 OF SFP Average Temp 75 OF SFPTime to Boil -- 21 hrs - - GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE: None LOOK AHEAD: IX04 to be removed from service at -1000 on 4/26/04. POWER'AVAILABILITY will remain GREEN. SFP COOLiNG will become YELLOW. PBF-1562

References:

NP 10.3.6 Revision 2 10130/02 Page 2 of 9 . NP 10.2.1

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST OUTAGE SAFETY ASSESSMENT UNIT: I DATE: April 26, 2004 TIME: 0200 KEY SAFETY FUNCTIONS: I REACTIVITY: YELLOW CORE COOLING: YELLOW PO'ER AVAILABLE: GREEN INVENTORY: GREEN CONTAINMENT: YELLOW SFP COOLING: GREEN PROTECTED EQUIPMENT: K .I. i I COMMENTS: RCS Time to Boil is 25 hours SFP Time to Boil is 21 hours (full core off-load is assumed) Fire Protection Condition lV: Credit is taken for fire rounds as fire prevention contingency PBF-1 562 Refcrentes: NP 10.3.6 Revision 2 IO/30V2 Page 5 of 9 NP 10.2.1}}