ML051960058

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051960058
Person / Time
Site:	Point Beach
Issue date:	05/20/2004
From:	Legreve M Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051960058 (3)

Text

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z . i Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: May 20.2004 Time: 1430 Preparer: Mike LeGreve U I R 28 NOTE: Refer to base procedureNP 10.3.6for safely assessment checklist KSF definitions.

NOTE: Wheneverfuel has been removedfrom the reactor vessel and refueling cavity, all key safetyfunctions are GREEN excent spentfuel poolcooling.

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

1. RCS Boron concentration= 3014 ppm a.) For RSD, RCS boron >Refuleling 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) 1 34

4. SR instrumentation operable (0-1) 1 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) 1 2 ORANGE

3. Number of trains RHR available (0-2) 2 3

4. RCS level above REDUCED INVENTORY (0-1) 1 4-5 RCS Temperature - 82F; 45 days shutdown RCS Level = Rod Latch Height Subtotal 4 RCS Time to Boil 30 hrs (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, 3V and 345 kV levels) (0-2) 2 4-5

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) 1

3. G-05 available, Reactor Cavity filled to2 23 ft above the top of the reactor vessel flange, upper internals removed and RCS time to boil2 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 0O. RED

1. Pressurizer level220 percent w/head on (0-1) 0 2 ORANGE

2. Refiieling Cavity filled (see definition) (0-3) 2 3 a

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

4. Makeup from VCT/BLENDER and/or RWST available (0-2) 1 Subtotal = 4 Wraton sroeod w d*Wd Inmcmordnewi FmrimOfWIarma ,o PBF-1562 All Refercnces: NP 10.3.6 Revision 2 10130/02 Pagel1of 9 NP 102.1

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST CONTAINMENT Subtotal Co6dition

1. 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 <=5

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 SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)

NOTE: Take creditforonly one P-12 Independent offste power source duringperiodsofsingle 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 IB-42 (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-OS 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 OF SFP Average Temp NA SFP Time to Boil NA GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:

1X03 returned to service. This restored two independent of site power sources (Power Availability: YELLOW

=> GREEN).

G01 returned to service and normal alignment.

PBF-1562

References:

NP 10.3.6 Revision 2 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: May 20,2004 TIME: 1430 KEY SAFETY FUNCTIONS:

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

COMMENTS:

- RCS Time to Boil is 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />. Using NP 10.3.6 Time To Boil curves and curve for core reload complete.

- Fire Protection Condition IV: Credit is taken for fire rounds as fire prevention contingency.

PBF-1562

References:

NP 103.6 Revisian 2 10/30/02 Page 5 of 9 NP 10.2.1