ML052030207

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML052030207
Person / Time
Site:	Point Beach
Issue date:	05/30/2004
From:	John Hanna Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML052030207 (3)

Text

Point Beach Nuclear Planit PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: May 30,2004 Time: 0200 Preparer: James Hanna U I R 28 NOTE: Refer to baseprocedureNP 10.3. 6for safety assessment checklist KSF definitions.

NOTE: Ifheneverfuel has been removedfrom tle reactor vessel and refueling cavity, all key safetyfunctions are GREEN exceD! spentfuelpool cooling.

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

1. RCS Boron concentration 2686 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 0-1 RED

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

3. No fuel motion (0-1) I 3-4 IQ&vl

4. SR instrumentation operable (0-1) I 5 C<ED' Subtotal = 5 CORE COOLING Subtotal Condition

1. Number of SG available for DHR (&-RCPs bumped) (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 Temperature = 95F; 57 days shutdown RCS is solid, S/G tubes not filled Subtotal 3 RCS Time to Boil 126 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 O k' and 345 kV levels) (0-2) 2 4-5 CGREEN:

2. G-01 or G-02/A-05/B-03 available (0-1) I G-03 or G-04/A-06/B-04 available (0-1) I

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 0-1 RED

1. Pressurizef level 220 percent w/head on (&RCPs bumped) (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 ineacoac ^ with theFredodo of fomaed inaccodanc Wft heof lgbmaom W_0 Act, exemp1ons m mi PBF-1562

References:

NP 10.3.6 Revision 2 10/30/02 Page] of 9 NP 10.2.1

Point Beach Nuclear Plant PBNP SIUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST CONTAINMENT Subtotal Condition

1. Containment integrity (TS 15.1.D) {Containment 0 RED Operable) {ITS TS 3.6.1) set (Oor 4) 0 1 ORANGE

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

3. No fuel motion (0-I) 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 SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)

NOTE: Take creditfor only one P-12 Independent offslte powersource duringperiods ofsingle 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) NA 3 YELLOW

-(*) an independent off-site power 4-5 GREEN source different than that for Train B below (0-1) NA

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

- G-03 or G-04 via IB42 (0-1) NA

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

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) NA SFP Temperatures: Subtotal= NA NW NA 'F SE NA 'F SFP Average Temp NA SFP Time to Boil NA GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:

• Core Cooling and Inventory wvill remain YELLOW until tle RCPs are bumped to ensure SG tubes are filled PBF-1 562

References:

NP 103.6 Revision2 10/30102 Page 2 of 9 NP 10.2.1

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST OUTAGE SAFETY ASSESSMENT UNIT: 1 DATE: iSlay 30, 2004 TIME: 0200 KEY SAFETY FUNCTIONS:

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

COMMENTS:

• RCS Time to Boil is 126 minutes

• Core Cooling and Inventory wvil become GREEN after OP4B-060 (RCP A/B 10 minute run and vent)

PBF-1562

References:

NP 10.3.6 Revision 2 10/30/02 Page 5 of 9 NP 10.2.1