ML051930150

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051930150
Person / Time
Site:	Point Beach
Issue date:	04/27/2004
From:	Matthew Meyer Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051930150 (3)

Text

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Point Beach Nuclcar Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: April 27. 2004 Time: 0350 Preparer: Michael R Mevcr U I R 28 NOTE: Refer to base procedutre NP 10.3.6 for safety assessment checklist KSF definitions.

NOTE: WIheneverfitel has been removedfrom the reactorvessel and refueling carity, all key safetyfunctions are GREEN except spentfuel pool cooling.

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

1. RCS Boron concentration = 3000 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) I 5 ,Sv Caivitv Boron concentration = 3016 ppm SFP Boron concentration = 3027 ppm Sul Itotal = 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 3

4. RCS level above REDUCED INVENTORY (0-1) 1 4-5 RCS TEINP =78f.6F; 24 days shutdown, Subtotal = 3 RCS Level = Refueling Ileliglt RCS Time to Boil 25.5 hrs (Applicable at Cold or Refueling Shutdow n)

POWNER 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-051B-03 available * (0-1) 1 G-03 or G-041A-061B-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 tb 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 percent wlhead 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 Information in this record was deleted Subtotal = 4 in sccordinrp with tfe Froarinm nf Infnrvih;o~n AS_... _ s IL ACt, FOIcr, e laions ark ran MYF-1562 I

References:

NP 10.3.6 Revision 2 1030/02. Page I' of 9 NP 10.2. 1

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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

2. Containment Closure CL-lE maintained 2-3 _ m and closure < time to boil (O or 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 creditfor only one P-12 independent offsite power source duringperiods of single X-03 orX-04 availability (*)

Subtotal Condition

1. "A" SEP cooling pump available 0-1

• RED with power available from: 2 ORANGE

- G-02 or G-01 via 2B-32 (0-1) 1 3 M U'

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

• 1 Train B below (0-1) 1

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

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

-(*) an independent off-site power source different than that for Train A above (0-1) I

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 80 F SE 77 'F SFP Average Temp 78.5 OF SFP Time to Boil 21 hrs GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE: None LOOK AHEAD: 1X04 to be renoved from service on 427104. Currently on hold due to procedure difficulties.

POWER AVAILABILITY will remain GREEN. SFP COOLING evil[ become YELLOW.

PBF-1562

References:

NP 10.3.6 Revision 2 1O/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 26, 2004 TIME: 1340 KEY SAFETY FUNCTIONS:

REACTIVITY: YELLOW CORE COOLING: YELLOW POWER AVAILABLE: GREEN INVENTORY: GREEN CONTAINMENT: YELLOW SFP COOLING: GREEN PROTECTED EOUIP1%1ENT:

I COMMENTS: .

V RCS Time to Boil is 25.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> SEP Time to Boil is 21 hours2.430556e-4 days <br />0.00583 hours <br />3.472222e-5 weeks <br />7.9905e-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 Reftences: NP 10.3.6 Revision 2 10/30/02 Page S of 9 NP 10.2.1