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 baseprocedureNP 10.3.6for safety assessment checklist KSF defuiitions.

NOTE: Jis<eneverfiuelhas been removedfrom the reactor vessel and refueling cavity, all key safetifiurctionsare GREEN except spentfuel pool cooling.

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

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 (0-1) 1 0-1 RED

2. Number of boration paths (0-2) 2 2 ORANGE

3. No fuel motion (0-1) 1 3-4

4. SR instrumentation operable (0-1) I 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.

3.

4.

Refueling Cavity filled (see definition)

RCS level above REDUCED INVENTORY Makeup from VCT/BLENDER (0-3)

(0-1) 0 1

3 4 <

and'or RWST available (0-2) 2 Subtotal 3

_flf Y~f 3~ Q l T tM _ .. J e.LI I.LdJ in accordance with t eFreedom of Information Act, exemptions V PBF-1562 F 1A A./,4 .E

References:

NP 10.3.6 Revision 2 10130/02 / Page I of 9 NP 10.2.1

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST CONTAINMENT Subtotal Condition I. Containment integrity (TS 15.1 .D) {Containment 0 RED Operable} {ITS TS 3.6.1) set (Oor 4) 0 ORANGE

2. Containment Closure CL-IE maintained 2-3 and closure < time to boil (Oor 2) 2 4-5-6 __.~

3. No fuel motion (0-1) I

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 (0-1) 1 Subtotal - 4 SPEN, r FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)

NOTE: Take creditfor only one P-12 inrdependlentoffsitepoiver source durinrgperiodsof singleX-03 orX-04 availability (*).

Subtotal Condition I. "A" SFP cooling pump available 0-I 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 (0-1) n/a

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

- G-03 or G-04 via IB42 (0-1) n/a

.(*) an independent off-site power source different than that for Train A above (0-1) n/a

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 SFP Temperatures: Subtotal = n/a NW n/a OF SE n/a OF SFP Average Temp n/a OF SFP Time to Boil n/a GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:

No change from previous shift.

PBF-1562

References:

NP 10.3.6 Revision 2 10f30/02 Page 2 of 9 NP 10.2.1

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: YELLOW POWER AVAILABLE: GREEN INVENTORY: YELLOW CONTAINMENT: GREEN SFP COOLING: NA PROTECTED EQUIPMENT:

C MMENTS:

_-.Vrr-eiotection Condition III: Crediting existing rire rounds as fire prevention RCS Time to Boll Is43 minutes RCS is at 68% Reactor Vessel Level Hot Leg Vent Path is the Pressurizer Manway PBF-1562

References:

NP 10.3.6 Rp.v;t;^n7 IA/I~n= Page 5 of 9 NP 10.2.1