ML051930464

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051930464
Person / Time
Site:	Point Beach
Issue date:	04/29/2004
From:	Olvera J Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051930464 (3)

Text

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: April 29. 2004 Time: 14:00 Preparer: John Olvera U I R 28 NOTE: Refer to base procedureNP 10.3.6for safety assessment checklist KSF definitions.

NOTE: lVhieneverftel has been removedfrom the reactor vessel and refueeling cavity, all key safety functions are GREEN except spent fuel pool cooling.

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

1. RCS Boron concentration = 3006 ppm (4/29) 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 ;

Cavitv Boron concentration = 3006 ppm SFP Boron concentration = 3027 ppm Sul )iotal = 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 QUME

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

4. RCS level above REDUCED INVENTORY (0-1) 1 4-5 RCS TEMIP =77 4F; 26 days shutdown. Subtotal = 3 RCS Letel = Refueling Height 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 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 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 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 Ifomiatbn mD*record was deWd PBF I562 in accda Wth fhe Freedom of Inorma6on

References:

NP 10.3.6 Revision 2 1O,310 02 Act,e' Ptc 1 of 9 NP 10.2.1 D~ a g

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

1. Containment integrity (TS 15.l.D) (Containment 0 RED Operable) (ITS TS 3.6.1) set ( or 4) 0

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 4 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 offsitepower source duringperiodsof singleX-03 or X-04 availability (1).

Subtotal Condition

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

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

-(*) an independent off-site power 4-5 'GREE3 source different than that for Train B below (0-1) 1

2. '1" 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) 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 85 OF SE 81 OF SFP Average Ternp 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. 1XO4 to be removed from service. Currently on hold due to procedure difficulties. POWER AVAILABILITY will remain GREEN. SFP' COOLING wvill become YELLOW.

2. Sump '1' Screen scheduled to be removed oi or after 4/29/04. INVENTORY will become YELI.OWV.

PBF-I 562

References:

NP 103.6 Revision 2 10130/02 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: 1400 KEY SAFETY FUNCTIONS:

REACTIVITY: YELLOW CORE COOLING: YELLOW POWER AVAILABLE: GREEN INVENTORY: GREEN CONTAINMENT: YELLOW SFIP COOLING: GREEN COMMENTS: I RCS Time to Boil is 26.0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> SEP 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-1I562

References:

NP 10.3.6 Revision 2 10/30/02 Page 5 of 9 NP 10.2.1