ML051930482

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051930482
Person / Time
Site:	Point Beach
Issue date:	04/29/2004
From:	Matthew Meyer Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051930482 (3)

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Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: April 29,2004 Time: 0230 Preparer: Michael R Meyer U 1 R 28 NOTE: Refer to baseprocedure NP 10.3.6for safety assessmentchecklist KSF definitions.

NOTE: J5'heneverfuelhas been removedfrom the reactor vessel and refueling cavity, all key safet functions are GREEN excent spentfuel pool cooling.

KEY SAFETY FUNCTION CRITERIA: No/False = 0, Yes/True = I through 4 REACTIVITY Subtotal Condition

1. RCS Boron concentration = 3003 ppm (4/28) 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 = 3004 ppm SFP Boron concentration = 3027 ppm Sulbtotal = 3 CORE COOLING Subtotal Condition I. Number of SG available for DHR (0-2) 0 0-1 RED

2. Refueling cavity filled (0-1) 1 2 9AW

3. Number of trains RHR available (0-2) 1 3 MELLOW"

4. RCS level above REDUCED INVENTORY (0-1) 1 4-5 RCS TEAIP =76'F; 26 days shutdown, Subtotal = 3 RCS Level = Refucling Hleight RCS Time to Boil 26.0 hrs (Applicable at Cold or Refueling Shutdown)

POWER AVAILABILITY Subtotal Condition I. Independent off-site power sources I 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-0I or G-02/A-05/B-03 available (0-1) I G-03 or G-041A-061B-04 available (0-1) 1

3. G-05 available, Reactor Cavity filled to Ž223 ft above the top of the reactor vessel flange, upper internals removed and RCS time to boil 2 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />. (0-1) 1 Subtotal = 5 INVENTORY Subtotal Condition

1. Pressurizer level 220 percett w/head on 0-1 RED (0-1) 0 2 ORANGE

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

3. RCS level above REDUCED INVENTORY (0-1) 1 4

4. Makeup from VCTIBLENDER and/or RWST available (0-2) 0 Subtotal = 4 Inonrabonin s rood was deWeMd PBF-1562 in accdance wth Freedom of IrrKorma6 i

References:

NP 10.3.6 Revision 2 10/30/02 Act, eXemptIOns Dge I of 9 NP 10.2.1

-, I

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

1. Containment integrity (TS 15.1.D) {Contaixunent 0 RED Operable) {ITS TS 3.6.1) set (Oor 4) 0

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

3. No fuel motion (0-1) 0

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 Subtotal = 3 SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)

NOTE: Take creditforonly one P-12 independentoffsite power source duringperiods ofsingle X-03 orX-04 availability (*).

Subtotal Condition

1. "A" SFP cooling pump available 0-1 RED with power available from: 2 ORANGE G-02 or G-01 via 2B-32 (0-1) 1 3 .N W-

-(*) an independent off-site power source different than that for 4-5 4ZD Train B below (0-1) 1

2. "B" SFP cooling pump available with power available from:

- G-03 or G-04 via IB42 (0-1) I

.(*) an independent 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 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />. (0-1) 0 SFP Temperatures: Subtotal = 4 NW 84 OF SE 82 OF SFP Average Temp 83.0 OF SFP Time to Boil 19.5 hrs GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE: None LOOK AHEAD:

1. IX04 to be removed from service. Currently on hold due to procedure difficulties. POWER AVAILABILITY will remain GREEN. SFP COOLING will become YELLOW.

2. Sump 'B' Screen scheduled to be removed on or after 4/29/04. INVENTORY will become YELLOW.

PBF-1562

References:

NP 10.3.6 Revision 2 10/30/02 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 29, 2004 TIME: 0230 KEY SAFETY FUNCTIONS:

REACTIVITY: YELLOW CORE COOLING: YELLOW POWER AVAILABLE: GREEN INVENTORY: GREEN CONTAINMENT: YELLOW SFP COOLING: GREEN COMMENTS:

RCS Time to Boil is 26.0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> ii SFP Time to Boil is 19.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> (full core off-load is assumed)

Fire Protection Condition IV: Credit is taken for fire rounds as fire prevention contingency.

PBF-1562

References:

NP 10.3.6 Revision 2 10130/02 Page 5 of 9 NP 10.2.1