ML051920064

From kanterella
Jump to navigation Jump to search
Pbnp Shutdown Safety Assessment and Fire Condition Checklist
ML051920064
Person / Time
Site: Point Beach NextEra Energy icon.png
Issue date: 04/16/2004
From: Longston A
Nuclear Management Co
To:
Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051920064 (3)


Text

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

April 16, 2004 Time:

1400 Preparer:

Andrea Longston U

I R

28 NOTE:

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

NOTE:

W'heneverfuel 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 = 2890 ppm a.)

For RSD, RCS boron >Refueling boron concentration specified in unit-specific COLR (ITRM 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 RED ORANGE

<2>W (0-1) 1 (0-2) 2 (0-1) 1 (0-1) 1 0-1 2

3-4 5

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 Tcmperaturcs derived from TE04 and TE06.

RCS TEMIP = 95OF; 13 days shutdown; RCS 695%

Subtotal =

3 RCS Time to Boil 52 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

and 345 kV levels)

(0-2) 2 4-5

2.

G-O0 or G-021A.05/B-03 available (0-1) 1 G-03 or G-04/A-061B-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

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 =

3

'ufos reod*s-eee oil IIII rweod was deleted In accordance Page r

of 9

Acta t

reomo nomt PBF-1562 F0

-Page I of 9 Revision 2 1I030W02

References:

NP 10.3.6 NP 10.2.1

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

1.

Containment integrity (TS 15.11.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 SO available OR one fan cooler with Equip hatch installed and personnel hatches capable of being shut

( or 4) 0

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

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

<:E>

(01) 1 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-04availabiity (*).

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.

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

No change from previous shift.

PBF-1562 Revision 2 10/30/02 Retertnces: 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 II.

UNIT:

1 DATE:

April 16, 2004 TIME:

1400 KEY SAFETY FUNCTIONS:

REACTIVITY:

GREEN CORE COOLING:

POWER AVAILABLE:

INVENTORY:

YELLOW GREEN YELLOW CONTAINMENT:

SFP COOLING:

GREEN NA PROTECTED EOUIPMENT:

-COMMENTS:

Fire Protection Condition III: Crediting existing fire rounds as fire prevention contingency RCS Time to Boil is 52 minutes RCS is at 69 % Reactor Vessel Level Hot Leg Vent Path is the Pressurizer Manway PBF-1562 Revision 2 I130/02 Refrexnces: NP 10.3.6 NP 10.21 Page 5 of 9