ML051920225

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Pbnp Shutdown Safety Assessment and Fire Condition Checklist
ML051920225
Person / Time
Site: Point Beach NextEra Energy icon.png
Issue date: 04/22/2004
From: Legreve M
Nuclear Management Co
To:
Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051920225 (3)


Text

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

April 22, 2004 Time:

0300 Preparer:

Mike LcGreve U

I R

28 NOTE:

Refer to base procedure NP 10.3.6for safet assessment checklist KSFdeflnitions AOTE:

IT'heneverfitelfias been remnovedfroin the reactor vessel and refutelinfg cavity, all key safetyfuintcrions are GREEN exceet spent fuelpool cooling.

KEY SAFETY FUNCTION CRITERIA: No/False = 0, Yes/True = 1 through 4 REACTIVITY

1.

RCS Boron concentration = 2889 ppm a.)

For RSD, RCS boron >Reftueling 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

2.

Number of boration paths

3.

No fuel motion

4.

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

ORANGE 354 Subtotal 4

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 Go RCS TiEllP 98'F. 19daysshutdoivn;RCSI00%

Subtotal =

3 RCS Time to Boil 61 min (Applicable at Cold or Refueling Shutdown)

POWER AVAILABILITY Subtotal Condition I.

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 GR N

2.

G-01 or G-02/A-05/B-03 available (0-1) 1 G-03 orG-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 212 hours0.00245 days <br />0.0589 hours <br />3.505291e-4 weeks <br />8.0666e-5 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

2.

Refueling Cavity filled (see definition)

(0-3) 0 3

3.

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

L

4.

Makeup from VCT/BLENDER and/or RWVST available (0-2) 2 Subtotal =

3 hEWS lIIlaIIUI in mnis record was deleted in accordance with tke Freedom of Information Act, exemptions. 4 P8FR1562 10300Page I of 9 5-¶q References NP 103.6 NP 102.1

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

1.

Containment integrity (TS 15.1.D) {Containment 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 OR at least one SG available OR one fan cooler with Equip hatch installed and personnel batches capable of being shut (O or 4) 0 (O or 2) 2 (0-1) 1 Subtotal 0

1 2-3 4-5-6 Condition RED ORANGE

<rm5TAe (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 independent offsite power source during periods of single X-03 or X-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 IB-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 />.

(0-1) n/a (0-1) n/a (0-1) nLa (0-1) n/a SFP Temperatures:

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

n/a n/a n/a GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:

Reactivity and Containment Key Functions both changed back to GREEN upon completion of the Reactor Vessel Head Lift. These parameters will turn YELLOW once control rod unlatching begins.

PBF-1 562 Revision 2 10130102

References:

NP 10.3.6 NP 10.2.1 Page 2 of 9

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

I DATE:

April 22, 2004 TIME:

0300 KEY SAFETY FUNCTIONS:

REACTIVITY:

CORE COOLING:

POW'ER AVAILABLE:

INVENTORY:

CONTAINMENT:

SFP COOLING:

GREEN YELLOW GREEN YELLOW GREEN NA PROTECTED EOUIPMENT:

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 61 minutes RCS Level is 2 ft above Reactor Vessel Flange Hlot Leg Vent Path Is the Pressurizer man way PBF 1562 Revision2 10/30/02 Reremnees: NP 10.3.6 NP 10.2.1 Page 5 of 9