ML052030147

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Pbnp Shutdown Safety Assessment and Fire Condition Checklist
ML052030147
Person / Time
Site: Point Beach NextEra Energy icon.png
Issue date: 05/27/2004
From: Leiker J
Nuclear Management Co
To:
Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML052030147 (3)


Text

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date:

May 27, 2004 Time:

1300 Preparer:

Jon Leiker U

I R

28 NOTE:

Refer to base procedure AP 10.3.6for safety assessment checklist KSF definitions.

NOTE:

Wheneverfuel has been removedfroin the reactor vessel and refueling cavity, all key safet fiunctions are GREEN except spent fiel pool cooling.

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

1.

RCS Boron concentration = 3018 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

2.

Number of boration paths (0-2) 2

3.

No fuel motion (0-1) 1

4.

SR instrumentation operable (0-1) 1 Subtotal 0-1 2

3-4 0

Condition RED ORANGE

,JEN Subtotal =

S 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 0071%

4.

RCS level above REDUCED INVENTORY (0-1) 1. 9 RCS Temperature = 92"F; 54 days shutdown RCS Level = 70%

Subtotal =

3 RCS Time to Boil 98 min.

(Applicable at Cold or Refueling Shutdown)

POWVER AVAILABILITY Subtotal Condition

1.

Independent off-site power sources 1

RED available to A-05 and A-06 (totally 2

ORANGE independent at the 4160 V, 13.8 kV, and 345 kV levels)

(0-2) 2 C

R Nuf

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 0-1 RED

1.

Pressurizer level 220 percent * /head on (0-1) 0 2

2.

Refueling Cavity filled (see definition)

(0-3) 0 (D

3.

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

4.

Makeup from VCTIBLENDER and/or RWST available (0-2) 2 Subtotal =

3 Iniormabon in mns record wasdeled.

in accordance with the Freedom of Irormaon PBF.1562 10130/02 62 of 9 Revision 2 10130/02pcrd ~:

ams Page I of 9 V-36/

References:

NP 10.3.6 NP 10.2.1

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST I.

CONTAINMENT

1.

Containment integrity (TS 15.1.D) (Containment Operable) (ITS TS 3.6.1) set

2.

Containment Closure CL-IE maintained and closure < time to boil

3.

No fuel motion

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 (O or 4) 0

( or 2) 2 (0-1) 1 Subtotal 0

I 2-3 a-3-6 Condition RED ORANGE (0-1) 1 Subtotal =

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

NOTE:

Take credit for only one P-12 independent offsite power source during periods of single X-03 or X-04 availability (*).

1.

"A" SFP cooling pump available with power available from:

G-02 or G-01 via 2B-32

-(*) an independent off-site power.

source different than that for Train B below

2.

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

G-03 or G-04 via IB42

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

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 />.

Subtotal 0-1 2

3 4-5 Condition RED ORANGE YELLOW GREEN (0-1)

NA (0-1)

NA (0-1)

NA (0-1) _A (0-1)

NA SFP Temperatures:

NNV NA OF SE NA OF SFP Average Temp NA SFP Time to Boil NA Subtotal =

NA OF GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:

  • TTB was calculated from SEP-i with vessel level at Y pipe and the 1.3 multiplier for being refueled. Note that TTB curve based on 50 days post shutdown was conservatively used (CAP056964).

PBF-1562 Revision 2 10/30/02 Page 2 of 9

References:

NP 10.3.6 NP 10.2.1

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST OUTAGE SAFETY ASSESSMENT UNIT:

1 DATE:

May 27, 2004 TIME:

1300 KEY SAFETY FUNCTIONS:

REACTIVITY:

CORE COOLING:

POWER AVAILABLE:

INVENTORY:

CONTAINMENT:

SFP COOLING:

GREEN YELLOW GREEN YELLOW GREEN NA PROTECTED EQUIPMENT:

CONTMENTS:

  • Fire Protection Condition III: Credit is taken for fire rounds as fire prevention contingency PBF 1562 Revision 2 10/30/02

References:

NP 10.3.6 NP 10.2.1 Page 5 of 9