ML051920314

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051920314
Person / Time
Site:	Point Beach
Issue date:	04/24/2004
From:	Longston A Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051920314 (3)

Text

I I Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: April 24,2004 Time: 1400 Preparer: Aindrea Lon cston U I R 28 NOTE: Refer to baseprocedureNP 10.3.6for safety assessment checklist KSF definitions.

NOTE: Wheneverfuel has been removedfrom the reactorvessel 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 = 2979 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) 2 2 ORANGE

3. No fuel motion (0-1). 1 34 SA

4. SR instrumentation operable (0-1) 1 5 o 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) 1 2 ORANGE

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

4. RCS level above REDUCED INVENTORY (0-1) 1 4-5 C GREE N RCS TEMP =887F; 21 days shutdown, Subtotal 4 RCS Level = Refueling Height RCS Time to Boil 22 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 R 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) I 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 AL

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

4. Makeup from VCT/BLENDER and/or RWST available (0-2) 1 Information Inthis record was deleted Subtotal 5 in acrnrnfnnr with the I-roarinm nt Intnrmntinn

... t~. klA.J 4VI94CJ19IUSVI PBF-1562 Art- arpmnai

References:

NP 10.3.6 Revision 2 1o030'0: ge 1 of 9 NP 10.2.1

- ~\ ko

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

1. Containment integrity (TS 15.1 D) IContainment 0 RED Operable) [ITS TS 3.6.1) set (Oor4) 0 l ORANGE

2. Containment Closure CL-1E maintained 2-3 YAmLE and closure < time to boil (Oor2) 2 4-5-6

3. No fuel motion (0-1) I

4. DHR Capability:

- cavity flooded and internals out

- at least one SG available OR

- one fan cooler with Equip hatch installed and personnel hatches capable of being shut (0-1) 1 Subtotal = 4 SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)

NOTEE: Take creditfor only one P-12 independentoffsite 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) n/a 3 YELLOW an '()

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

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

- G-03 or G-04 via B1-42 (0-1) nta

.(*) 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-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) nra SFP Temperatures: Subtotal = n/a NW n/a OF SE n/a OF SFP Average Temp n/a OF SFPTime to Boil n/a GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:

We will start monitoring SFP Cooling as soon as fuel motion starts. This is projected for 1500.

PBF-1562

References:

NP 103.6 Revision 2 10/3LYD2 Page 2 of 9 NP 1021

Point Beach Nuclear Plant PBNP'SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST i.,. .

OUTAGE SAFETY ASSESSMENT UNIT: 1 DATE: April 24, 2004 TIME: 1400 KEY SAFETY FUNCTIONS:

REACTIVITY: GREEN CORE COOLING: GREEN POWER AVAILABLE: GREEN INVENTORY: GREEN CONTAINMENT: GREEN SFP COOLING: NA PROTECTED EOUIPMENT:

COMMENTS:

Unit I is in Mode 6 Fire Protection Condition IV: Credit is taken for fire rounds as fire prevention contingency RCS Time to Boll is 22 hours2.546296e-4 days <br />0.00611 hours <br />3.637566e-5 weeks <br />8.371e-6 months <br /> Refueling Cavity is full Hot Leg Vent Path is the Pressurizer manway PBF-1562 Refrezncrs: NP 103.6 Revision 2 10/3lV2 Page S of 9 NP 10.2.1