ML051920061

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Pbnp Shutdown Safety Assessment and Fire Condition Checklist
ML051920061
Person / Time
Site: Point Beach NextEra Energy icon.png
Issue date: 04/16/2004
From: Branam T
Nuclear Management Co
To:
Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051920061 (3)


Text

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: April 16, 2004 Time: 0300 Preparer: T. R. Branam U I R 28 NOTE: Refer to baseprocedureNP 10.3. 6for safety assessment checklist KSF definltions.

NOTE: Wheneverfitel has been renjovedfront the reactorvessel and refueling cavity, all key safetyfinctions are GREEN e-rcept spentifielpoolcooling.

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

1. RCS Boron concentration = 2892 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
4. SR instrumentation operable (0-1) 1 5 2 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 I YELLOW
4. RCS level above REDUCED INVENTORY (0-1) 1 4-5 f _

RCS Temperatures derived from TE04 and TEO6.

RCS TEMP = 95'F; 13 days shutdown; RCS 70% Subtotal 3 RCS Time to Boil 52 nin (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-021A-051B-03 available (0-1) I G-03 or G-041A-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 >20 percent w/head on 0-1 RED (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 VCTIBLENDER and/or RWST available (0-2) 2 Subtotal 3 111101axion in t thisrecord was deleted in accordance with Freedom of Information Act, eeOIA os-PBF-1 562 Relcrencms: NP 10.3.6 Revision 2 10/30102 1` Pag I of 9 NP 10.2.1

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

1. Containment integrity (TS 15.l.D) {Containment 0 RED Operable) {ITSTS3.6.1 set (O or 4) 0 ORANGE
2. Containment Closure CL-1E maintained 2-3 and closure < time to boil (O or 2) 2 4-5-6 _ CED_
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) I Subtotal = 4 SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)

NOTE: Take creditforonly one P-12independent offsitepower source duringperiods of singleX-03 orX-04 availability()

Subtotal Condition I, "A" SFP cooling pump available 0-1 RED vith power available from: 2 ORANGE

- .G-02 or G-0I via 2B-32 (0-1) n/a 3 YELLOW

-(*) an independent off-site power 4-5 GREEN 2.

source different than that for Train B below "B" SFP cooling pump available with power available from:

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

  • 1

(*) 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 Tempe tures: Subtotal = n/a NW n

__ OF SE n/a OF SFP Average Temp n/a OF SFP Time to Boil n/a GIVE A B+IEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:

No change from previous shirt.

PBF- 562 Rercrences: NP 10.3.6 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: I DATE: April 16,2004 TIME: 0300 KEY SAFETY FUNCTIONS:

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

'+bMMENTS:

Fire Protection Condition III: Crediting existing fire rounds as fire prevention contingency RCS Time to Boil is 52 minutes RCS is at 70% Reactor Vessel Level Hot Leg Vent Path is the Pressurizer Manway PBF-1562 Rererencs: NP 103.6 Revision2 10130/02 Page 5 of 9 NP 10.2.1