ML051930143

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Pbnp Shutdown Safety Assessment and Fire Condition Checklist
ML051930143
Person / Time
Site: Point Beach NextEra Energy icon.png
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

{{#Wiki_filter:.1 %~-\\"4/ Wc.- Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date:* April 26,2004. Time: 0200 Preparer: T. R. Branam I NOTE: Refer to baseprocedure NP 103.6forsafety assessment checklist KSF definitions. U I R 28 NOTE W~heneverfuel has been removedfroin the reactor vessel and refueling cavity Wll key soretyfinctions are GREEN excet spent fuelpool 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) 0-3 4

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 in accordance wit 11he Freedom of Information Act,erpin .PBF-1562 FO!A Page I Revision 2 10/30102PaeI

References:

NP 10.3.6 . NP 10.2.1 I of 9 l

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

1.

Containment integrity (TS 15.1.D) (Containment Operable) -{ITS TS 3.6.1) set

2.

Containment Closure CL-IE maintained and closure < time to boil

3.

No fuel motion

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 (O or 4) 0 (O or 2) 2 ( 0-1).. 0 Subtotal 0 I. I 2-3 4-5-6 Condition RED;

  • .1.

11. (0-1) 1 Subi6tal = 3 SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND tduring FULL CORE OFFLOADS) NOTE: Take creditfor only one P-12 Independent offsite power source during periods 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 , with po ver available from: 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 Subtotal,-. 4 SFP Temperatures: 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 Revision 2 10130/02 Page 2 of 9

References:

NP 10.3.6 . 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: REACTIVITY: CORE COOLING: PO'ER AVAILABLE: INVENTORY: CONTAINMENT: SFP COOLING: I YELLOW YELLOW GREEN GREEN YELLOW GREEN K ..I PROTECTED EQUIPMENT: 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 i I PBF-1 562 Revision 2 IO/30V2 Refcrentes: NP 10.3.6 NP 10.2.1 Page 5 of 9}}