ML051940605

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051940605
Person / Time
Site:	Point Beach
Issue date:	05/01/2004
From:	Olvera J Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051940605 (3)

Text

^ R Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: Mav 1. 2004 Time: 1400 Preparer: Johl Olvera U I R 28 NOTE: Refer to baseprocedure NP 10.3.6forsafety assessment checklist KSFdeffinitions.

NOTE: Wheneverfuel has been removedfron the reactorvessel and refueling cavity, all key safety functions are GREEN except spent fiel pool cooling.

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

1. RCS Boron concentration = 3003 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) I 5 Cavity Boron concentration = 3013 ppm SFP Boron concentration = 3027 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

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

4. RCS level above REDUCED INVENTORY (0-1) 1 4-5 RCS TFNIP =78"F; 28 days shutdowvn, Subtotal = 3 RCS Leviel = Refueling Hleight RCS Time to Boil 26.5 lirs (Applicable at Cold or Refueling Shutdown)

POWER AVAILABILITY Subtotal Condition

1. 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-01 or G-02/A-05/B-03 available (0-1) 1 G-03 or G-04/A-06/B-04 available (0-1) 1

3. G-05 available, Reactor Cavity filled to Ž 23 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 .=

INVENTORY Subtotal Condition

1. Pressurizer level Ž20 percent 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 W0onbtrcrwsdetd PBF-1562 I acO C Wi th e Freedom of lrrormaron

References:

NP 10.3.6 Revision 2 10/30/02 Actrl Page I of 9 NP 10.2.1

Point Beach Nuclcar 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

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

3. No fuel motion (0-1) 0

4. DHR Capability:

- cavity flooded and intcrnals out 4 OR

- at least one SG available OR

- one fan cooler with Equip hatch installed and personnel hatches capable of being shut (0-1) I Subtotal = 3 SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)

NOTE: Take creditforonly one P-12 independent offsite power sourceduringperiods of single X-03 or X-04 availability (*).

Subtotal Condition

1. "A" SFP cooling pump available 0-1 *RED with power available from: 2 ORANGE

- 0-02 or G-01 via 2B-32 (0-1) 1 3 -ELLV

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

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

- G-03 or G-04 via IB-42 (0-I) 1

-(*) 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 0

NW 86 F SE 83 OF SFP Averagc Temp 84.5 OF SFP Time to Boil 20.0 hrs GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE: None LOOK AHEAD:

1. 1X04 %iork to le removed outage scope per OCC.

2. Sump 13' Screen scheduled to be removed on or after 5/1/04. This is not likely to occur on day shift.

INVENTORY will become I'ELLOW.

PBF-1 562

References:

NP 10.3.6 Revision 2 10/30102 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: May 1, 2004 TIMGE: 1400 KEY SAFETY FUNCTIONS:

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

RCS Time to Boil is 26.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> k SFP Time to Boil is 20.0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> (full core off-load is assumed)

Fire Protection Condition IV: Credit is taken for fire rounds as fire prevention contingency PBF-1562 Refercnces: NP 10.3.6 Revision 2 10/30/02 Page 5 of 9 NP 10.2.1