ML051930488

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051930488
Person / Time
Site:	Point Beach
Issue date:	04/30/2004
From:	Olvera J Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051930488 (3)

Text

~3- 1 Cm Point Beach Nuclcar Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: April 30. 2004 Time: 140:0 Preparcr: John Olvera U I R 28 NOTE: Refer to baseprocedure NP 10.3.6for safety assessment check-list KSFidefinitions.

NOTE: WVhieneverfiuel has been remnovedfrom the reactorvessel and refueling cavity, all key safety fiunctions are GREEN except spentfiel pool cooling.

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

1. RCS Boron concentration = 31)11 ppm a.) For RSD, RCS boron >Refucling 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. Nodfuel motion (0-1) 0 3-4

4. SR instrumentation operable (0-1) 1 5 Cavity Boron concentration = 3004 ppm SEP' Boron concentration = 3027 ppm Subtotal = 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

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

4. RCS level above REDUCED INVENTORY (0-1) 1 4-5 RCS TnorP =76'F; 27 days shutdown, Subtotal = 3 RCS L.evel = Rcfueling Hleight RCS Time to Boil 26.0 hrs (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 %a _

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 2 23 ft above the top of the reactor vessel flange, upper internals removed and RCS time to boil Ž 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 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 VCT/BLENDER and/or RWST available (0-2) 0 Subtotal =. 4 Wdombon inflti record was deletd PBF- 1562 inaccordance Wti Me Freedom of InaM n

References:

NP 10.3.6 Revision 2 10/30/02 Act, exemptiors 4 Page I of 9 NP 10.2.1 ff~wCE

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST CONTAINMENT Subtotal Condition I. Containment integrity (TS 15. 1.D) (Containment 0 RED Operable) (ITS TS 3.6.1) set (Oor4) 0 __O'

2. Containment Closure CL-IE maintained 2-3 and closure < time to boil (Oor2) 2 4-5-6

3. No fuel motion (0-1) 0

4. DHR Capability:

- cavity flooded and internals out t=

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 independent offsite power source duringperiods of single 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 _yiLW

-(*) an independent off-site power source different than that for 4-5 fen 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) 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 SEP 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 82 OF SFP Average Temp 84 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. 1X04 to be removed from service. Currently on hold during verification of jumper points in the proceultrc.

POWER AN'AILABIILITY will remain GREEN. SFP COOLING eiill become YELLOW.

2. Stinip *3' Screen scheduled to le removed on or after 4/30104. INVENI'OII' will become YElk'l.OW'.

PBF-1 562

References:

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

Point Beach Nuclear Plant C

PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST OUTAGE SAFETY ASSESSMENT UNIT: I DATE: April 30, 2004 TIME: 0200 KEY SAFETY FUNCTIONS:

REACTIVITY: YELLOW CORE COOLING: YELLOW POWER AVAILABLE: GREEN INVENTORY: GREEN CONTAINMENT: YELLOW SFP COOLING: GREEN PROTECTED EQUIPMENT:

COMMENTS: PTh RCS Time to Boil is 26.0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> 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 orf-load is assumed)

Fire Protection Condition IV: Credit is taken for fire rounds as fire prevention contingency PBF-1 562

References:

NP 10.3.6 Revision 2 IL30/102 Page 5 of 9 NP 10.2.1