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 base procedure NP 10.3.6for safety assessment checklist KSF definitions.

NOTE:

Wheneverfuel has been removed from 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

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

2.

Number of boration paths (0-2) 2

3.

No fuel motion (0-1).

1

4.

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

ORANGE 34 SA 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 In this record was deleted Subtotal 5

in acrnrnfnnr with the I-roarinm nt Intnrmntinn klA.J t~.

4 VI94CJ19IUSVI Art-arpmnai PBF-1562 Revision 2 1o030'0:

ge 1 of 9

References:

NP 10.3.6 NP 10.2.1

~\\ ko

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

1.

Containment integrity (TS 15.1 D) IContainment Operable) [ITS TS 3.6.1) set

2.

Containment Closure CL-1E maintained and closure < time to boil

3.

No fuel motion

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 (Oor4) 0 (Oor2) 2 (0-1)

I Subtotal 0

l 2-3 4-5-6 Condition RED ORANGE YAmLE (0-1) 1 Subtotal =

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

NOTEE:

Take credit for only one P-12 independent offsite power source during periods 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

2.

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

G-03 or G-04 via B1-42

.(*) 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 />.

(0-I) n/a (0-1) nta (0-1) n/a (0-1) nra SFP Temperatures:

NW n/a OF SE n/a OF SFP Average Temp n/a SFPTime to Boil n/a Subtotal =

n/a OF 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 Revision 2 10/3LYD2

References:

NP 103.6 NP 1021 Page 2 of 9

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:

CORE COOLING:

GREEN GREEN POWER AVAILABLE:

GREEN INVENTORY:

CONTAINMENT:

SFP COOLING:

GREEN GREEN 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 Revision 2 10/3lV2 Refrezncrs: NP 103.6 NP 10.2.1 Page S of 9