ML051920196

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051920196
Person / Time
Site:	Point Beach
Issue date:	04/21/2004
From:	Wood R Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051920196 (3)

Text

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: April 21. 2004 Time: 0200 Preparer: Richard Wood U I R 28 NOTE: Refer to baseprocedureNP 10.3.6for safety assessment checklist KSF definitions.

NOTE: W7ieneverfuel has been removedfrom the reactor vessel and refueling cavity, all key safetyfunctions are GREEN except spentfuelpool cooling.

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

1. RCS Boron concentration = 2894 ppm a.) For RSD, RCS boron >Refueling boron concentration specified in unit-specific COLR (TRM2.1)>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) 2 2 ORANGE

3. No fuel motion (0-1) 1 3.4

4. SR instrumentation operable (0-1) 1 5 _2:

Subtotal = 5 CORE COOLING Subtotal Condition

1. Number of SG available for DHR (0-2) 0 0-1 RED

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

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

4. RCS level above REDUCED INVENTORY (0-1) 1 4-5 RCS TEMP = 99'F; 18 days shutdown; RCS 67% Subtotal = 3 RCS Time to Boil 47 min (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 X and 345 kV levels) (0-2) 2 4-5 4GREEN

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) 0 Subtotal 4 INVENTORY Subtotal Condition

1. Pressurizer level 220 percent w/head on 0-1 RED (0-1) 0 2 AM

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

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

4. Makeup from VCT/BLENDER and/or RWST available (0-2) 2 Subtotal - 2 Information In thik rppfrrA Urge.^N#c in accordance with fhe Froornm nf Act £MOm-pti'sis PBF-1562 F01 Refcrences: NP 10.3.6 11 Revision 2 10130/02 Pa ge I of 9 NP 10.2.1 7')

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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 (Oor4) 0 ORANGE

2. Containment Closure CL-IE maintained 2-3 C_2 and closure < time to boil (Oor 2) 2 4-5-6

3. No fuel motion (0-1) I

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) I Subtotal = 4 SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)

NOTE: Take creditfor only one P-12 Independenir offsite power source during periods of singleX-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-0I via 2B-32 (0-1) n/a 3 YELLOW

.(*) an independent off-site power 4-5 GREEN source different than that for Train B below (0-1) n/a

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

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

.(*) an independent off-site power source different than that for Train A above (0-1) n/a

3. Temporary power available to one SFP cooling pump, G-0S 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) n/a SFP Temperatures: Subtotal = n/a NW n/a OF SE n/a OF SFP Average Temp n/a OF SFP Time to Boil n/a GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:

PBF-1562

References:

NP 103.6 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 21, 2004 TIME: 0200 KEY SAFETY FUNCTIONS:

REACTIVITY: GREEN CORE COOLING: YELLOW POWN'ER AVAILABLE: GREEN INVENTORY: YELLOW CONTAINMENT: GREEN SFP COOLING: NA

-PROTECTED EQUIPMENT:

COMMENTS:

Unit I is in Mode 6 Fire Protection Condition III: Credit is taken for fire rounds as fire prevention contingency RCS Time to Boil is 47 minutes RCS Is at 67'S Reactor Vessel Level Hot Leg Vent Path is the Pressurizer manway PBF-1562

References:

NP 103.6 Revision 2 10/30102 Page 5 of 9 NP 102.1