ML051920091

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Pbnp Shutdown Safety Assessment and Fire Condition Checklist
ML051920091
Person / Time
Site: Point Beach NextEra Energy icon.png
Issue date: 04/20/2004
From: Wood R
Nuclear Management Co
To:
Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051920091 (3)


Text

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Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: April 20,2004 Time: 0200 Preparer. Richard Wood U I R 28 NOTE: Refer to base procedure NP 10.3.6for safety assessment checklist KSF definitions.

NOTE: Wheneverfuel has been rentovedfronm the reactor vessel and refueling cavity, all key safety functions are GREEN except spentfuelpool cooling.

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

1. RCS Boron concentration = 2894 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) 1 3-4
4. SR instrumentation operable (0-1) 1 5 _<E>

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 GREE RCS TEMP = 98 0F; 17 days shutdown; RCS 69% Subtotal = 3 RCS Time to Boil 45 min (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, 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-041A-061B-04 available (0-1) 1
3. G-05 available, Reactor Cavity filled to 223 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 2MY >

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 4 M5 and/or RWST available (0-2) 2 Subtotal 2 hfng-w -osrcr rd a

... 141~ III MInS necar wai Me-flei In accordance with e Freedom of informati PBF-1562 Rcrcences: NP 103.6 Revision 2 10/30/02 Page I of 9 NP 10.2. iv\

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) (ITS TS 3.6.1) set (Oor 4) 0 ORANGE
2. Containment Closure CL-1 E maintained 2-3 and closure <time to boil (Oor 2) 2 4-5.6
3. No fuel motion (0-1) 1
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 SPENI'FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)

NOTE: Take creditforonly one P-12 Independent offsltepower source duringperiodsof single X-03 orX-04 availability (*).

Subtotal Condition

1. 'A' SFP cooling pump available 0-1 RED with power available ftom: 2 ORANGE

- G-02 or G-0I 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-I) n/a

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

- G-03 or G-04 via IB-42 (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:

PBF-1562

References:

NP 103.6 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 20, 2004 TIME: 0200 KEY SAFETY FUNCTIONS:

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

CVMMENTS:

Fire Protection Condition III: Credit is taken for fire rounds as fire prevention contingency RCS Time to Boil Is 45 minutes RCS is at 69% Reactor Vessel Level Hot Leg Vent Path is the Pressurizer manway PBF-1 562

References:

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