ML051920039

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051920039
Person / Time
Site:	Point Beach
Issue date:	04/11/2004
From:	Wood R Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051920039 (3)

Text

S--r-1 Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date:

April 11. 2004 Time:

2330 Preparer:

Rick W\\'oodi U

I R

28 NOTE:

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

NOTE:

Jis<eneverfiuel has been removed from the reactor vessel and refueling cavity, all key safetifiurctions are GREEN except spent fuel pool cooling.

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

1.

RCS Boron concentration = 2888 ppm a.)

For RSD, RC9 boron >Refueling boron concentration specified in unit-specific COLR (TRM 2.1) 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 (0-1) 1 (0-2) 2 (0-1) 1 (0-1)

I 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 TEMP = 1001; 8 days shutdown; RCS 69%

Subtotal =

3 RCS Time to Boil 43 mmi (Applicable at Cold or Refueling Shutdown)

PONER 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 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

_flf Y~f 3~ Q l T t M

e.. d

. J LI I L J in accordance with t e Freedom of Information Act, exemptions V PBF-1562 F 1A A./,4

.E Revision 2 10130/02 /

References:

NP 10.3.6 NP 10.2.1 Page I of 9

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

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 (O or 2) 2 (0-1)

I Subtotal 0

2-3 4-5-6 Condition RED ORANGE

__.~

(0-1) 1 Subtotal -

4

SPEN, (ONLY APPLICABLE when NOTE:

Take creditfor only one P-12 inrdependlen I.

"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 />.

SFP Temperatures:

NW n/a OF SE n/a OF SFP Average Temp n/a OF SFP Time to Boil n/a r FUEL POOL COOLING starting AND during FULL CORE OFFLOADS) t offsitepoiver source durinrg periods of single X-03 or X-04 availability (*).

Subtotal Condition 0-I RED 2

ORANGE (0-1) n/a 3

YELLOW 4-5 GREEN (0-1) n/a (0-1) n/a (0-1) n/a (0-1) n/a Subtotal =

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

No change from previous shift.

PBF-1562 Revision 2 10f30/02

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:

l DATE:

April 11, 2004 TIME:

2330 KEY SAFETY FUNCTIONS:

REACTIVITY:

GREEN CORE COOLING:

POWER AVAILABLE:

INVENTORY:

YELLOW GREEN YELLOW CONTAINMENT:

SFP COOLING:

GREEN NA PROTECTED EQUIPMENT:

C MMENTS:

_-.Vrr-eiotection Condition III: Crediting existing rire rounds as fire prevention RCS Time to Boll Is 43 minutes RCS is at 68% Reactor Vessel Level Hot Leg Vent Path is the Pressurizer Manway PBF-1562 Rp.v;t;^n7 IA/I~n=

References:

NP 10.3.6 NP 10.2.1 Page 5 of 9