ML051920225

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051920225
Person / Time
Site:	Point Beach
Issue date:	04/22/2004
From:	Legreve M Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051920225 (3)

Text

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: April 22, 2004 Time: 0300 Preparer: Mike LcGreve U I R 28 NOTE: Refer to baseprocedureNP 10.3.6for safet assessment checklist KSFdeflnitions AOTE: IT'heneverfitelfias been remnovedfroin the reactorvessel and refutelinfg cavity, all key safetyfuintcrions are GREEN exceet spentfuelpool cooling.

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

1. RCS Boron concentration = 2889 ppm a.) For RSD, RCS boron >Reftueling 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) 1 354

4. SR instrumentation operable (0-1) 1 Subtotal 4 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 Go RCS TiEllP 98'F. 19daysshutdoivn;RCSI00% Subtotal = 3 RCS Time to Boil 61 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 and 345 kV levels) (0-2) 2 4-5 GR N

2. G-01 or G-02/A-05/B-03 available (0-1) 1 G-03 orG-04/A-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 212 hours0.00245 days <br />0.0589 hours <br />3.505291e-4 weeks <br />8.0666e-5 months <br />. (0-1) 0 Subtotal 4 INVENTORY Subtotal Condition

1. Pressurizer level 220 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 L

4. Makeup from VCT/BLENDER and/or RWVST available (0-2) 2 Subtotal = 3 hEWSlIIlaIIUI in mnisrecord was deleted inaccordance with tke Freedom of Information Act, exemptions. 4 P8FR1562 10300Page I of 9 5-¶q References NP 103.6 NP 102.1

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) {ITS TS 3.6.1) set (O or 4) 0 1 ORANGE

2. Containment Closure CL-1E maintained 2-3 and closure < time to boil (O or 2) 2 4-5-6 <rm5TAe

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 batches 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-12 independent offsite power source duringperiods of single 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) n/a 3 YELLOW

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

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 SFP Time to Boil n/a GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:

Reactivity and Containment Key Functions both changed back to GREEN upon completion of the Reactor Vessel Head Lift. These parameters will turn YELLOW once control rod unlatching begins.

PBF-1 562

References:

NP 10.3.6 Revision 2 10130102 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 22, 2004 TIME: 0300 KEY SAFETY FUNCTIONS:

REACTIVITY: GREEN CORE COOLING: YELLOW POW'ER AVAILABLE: GREEN INVENTORY: YELLOW CONTAINMENT: GREEN SFP COOLING: NA PROTECTED EOUIPMENT:

COMMENTS:

Unit I is in Mode 6 Fire Protection Condition III: Credit is taken for fire rounds as fire prevention contingency RCS Time to Boil is 61 minutes RCS Level is 2 ft above Reactor Vessel Flange Hlot Leg Vent Path Is the Pressurizer man way PBF 1562 Reremnees: NP 10.3.6 Revision2 10/30/02 Page 5 of 9 NP 10.2.1