ML051890443

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051890443
Person / Time
Site:	Point Beach
Issue date:	04/07/2004
From:	Black D Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051890443 (3)

Text

fIJc Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: April 7, 2004 Time: 0900 Preparer: David Black . U I R 28 NO TE: Refer to base procedure NP 10.3.6for safety assessment checkllst KSF definitions.

NOTE: IF7i eneverfuel hlas been rentovedfron the reactorvessel and refueling cavity, allkey safetyfunctions are GREEN excet spentfuelpoolcooling.

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

1. RCS Boron concentration = 2866 ppm a.) For RSD, RCS boron >Refueling boron concentration specified in unit-specific COLR (TRM 2.1) 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) I 5 <2w:)

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 RCS TENIP - 105 0F; 4 days shutdown; RCS full Subtotal - 5 RCS Time to Boll 35 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-04/A-06/B-04 available (0-I) 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 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

4. Makeup from VCT/BLENDER and/or RWST available (0-2) 2 Subtotal 3 information in this record was de~td inaccordance with t. e Freedom of Information PBF-1 562 Act, eIe p,$ios-

References:

NP 103.6 Revision 2 10/30/02 f Page I of 9 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 I ORANGE

2. Containment Closure CL-IE maintained 2-3 and closure < time to boil (O or 2) 2 4-5-6 _..,

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 creditfor only one P-12 Independent offste power source during periods of single X-03 or X-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) nWa

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

- G-03 or G-04 via IB42 (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 Z 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:

Reactor Vessel Level at 60-70%; steam generator tubes are being burped and drained. Core cooling and inventory are yellow because steam generators are unavailable and RCS is below pressurizer level.

PBF-1562

References:

NP 10.3.6 Revision 2 10130/02 Page 2 of 9 NP 10.2.1

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST OUTAGE SAFETY ASSESSMENT UNIT: 1 DATE: _ April 7,2004 TIME: 0900 KEY SAFETY FUNCTIONS:

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

.COMMENTS:

Fire Protection Condition II RCS Time to Boil is 35 minutes Steam generator tubes are being burped and drained.

PBF-I 562

References:

NP 103.6 Revision2 10130/02 Page 5 of 9 NP 10.2.1