ML051920336

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Pbnp Shutdown Safety Assessment and Fire Condition Checklist
ML051920336
Person / Time
Site: Point Beach NextEra Energy icon.png
Issue date: 04/25/2004
From: Leiker J
Nuclear Management Co
To:
Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051920336 (3)


Text

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I ~A) R Q, t-1837 Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: April 25. 2004 Time: 1600 Preparer:  :: Jon Leik-er U. I R 28 NOTE: Refer to base procedureNP 10.3.6forsafety assessment checklist KSF definitionls.

NOTE: W1'heneverfuel has been removedfrom the reactorvessel and refueling cavity, all key safetyfunctions are GREEN except spentfuelpool cooling.

KEY SAFETY FUNCTION CRITERIA: No/False = 0, Yesflrue = 1 through 4 REACTIVITY Subtotal Condition

1. RCS Boron concentration 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) 1 3.

4.

No fuel motion SR instrumentation operable (0-1)

(0-1) 0 I

64 5 C YELO Subtotal = 3 CORE COOLING Subtotal Condition

1. Number of SG available for DHR (0-2) 0 0-1 RED
2. Refueling cavity filled (0-1) 1 0a
3. Number of trains RHR available (0-2) 1
4. RCS level above REDUCED INVENTORY (0-1) 1 4-5 RQS TEMP =86'F; 22 days shutdown. = 3 Iubtotal RCS Level = Reruellng Height RCS Time to Boil 22.5 hr-s (Applicable at Cold or Refueling Shutdown) 1 POWER AVAILABILITY Subtotal Condition I. Independent off-site power sources 2 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
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 to'> 23 ft above the top of the reactor vessel flange, upper internals removed and RCS lime 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) 1 Subtotal = 5 INVENTORY Subtotal Condition
1. Pressurizer level 220 percent %v/headon 0-1 RED (0-1) 0 2 ORANGE
2. Refueling Cavity filled (see definition) (0-3) 3 3 ) L
3. RCS level above REDUCED INVENTORY (0-1) 1 jGREEN)
4. Makeup from VCT/BLENDER and/or RWST available (0-2) 0 Information Inthis record was deleted Subtotal = 4

"'Tuiddliku vwill 1)e'rreedom ot Information Act, e emtions -;

PBF-1562 FOIA

References:

NP 10.3.6 Revision 2 10130/0 Page I of 9 NPO102.1

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

1. Containment integrity (TS 15.1.D) (Containment 0 RED Operable) JITS TS 3.6.1J set (Oor 4) 0 I
2. Containment Closure CL- E maintained 245 and closure < time to boil (O or 2) 2 4-5-6
3. No fuel motion (0-1) 0
4. DHR Capability:

- cavity flooded and internals out 1 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 = 3 SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)

NOTE:. Take creditfor only one P-12 independent offsite power source 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) 1 3

.(*) an independent off-site power source'different than that for Train B below (0-1) 1

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

- G-03 or G-04 via IB-42 (0-1) 1

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

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) 0 SFP Temperatures: Subtotal = 4 NW 76 "F SE 72 OF SFP Average Temp 74 OF SFP Time to Boil 21 hrs GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:

Reactivity and Containment are Y`ELLOW during fuel motion.

SFP is being monitored during refueling operation.

Scheduled CVCS work eliminated charging flow paths for reactivity and inventory.

Scheduled work removes Train "B" RHR from service.

PBF-1562

References:

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

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST OUTAGE SAFETY ASSESSMENT UNIT: I DATE: April 25, 2004 TIME: 1600 KEY SAFETY FUNCTIONS:

REACTIVITY: YELLOW CORE COOLING: YELLOW POWER AVAILABLE: GREEN INVENTORY: GREEN CONTAINMENT: YELLOW SFP COOLING: GREEN i -

I PROTECTED EOUIPMENT:

i I

i i

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x COMMENTS:

RCS Time to Boil is 22.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> SFP Time to Boil is 21 hours2.430556e-4 days <br />0.00583 hours <br />3.472222e-5 weeks <br />7.9905e-6 months <br /> (full core off-load is assumed)

Fire Protection Condition IV: Credit is taken for fire rounds as [ire prevention contingency PBF-1562

References:

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