ML051950581

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051950581
Person / Time
Site:	Point Beach
Issue date:	05/17/2004
From:	Scott S Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051950581 (3)

Text

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: May 17,2004 Time: 0200 Preparer: Sara Scott U 1 R 28 NOTE. Refer to base procedureNP 10.3.6for safety assessment checklist KSF definitions.

NOTE: Wheneverfuel has been removedfrom the reactorvessel and refueling cavity, all key safetyfunctions are GREEN except spentfuelppool cooling.

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

1. RCS Boron concentration = 3007 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 34

4. SR instrumentation operable (0-1) 1 5

,. Subtotal =

CORE COOLING - Subtotal Condition

1. Number of SG available for DHR (0-2) 0 0-1 RED

2. Refueling cavity filled (0-1) 1 2 ORANGE

3. Number of trains RHR available (0-2) 2 3 .

4. RCS level above REDUCED INVENTORY (0-1) 1 4-5 CGREEN3 RCS Temperature = 79rF; 43 days shutdown RCS Level = Rod Latch Height; Reactor is refueled Subtotal = 4 RCS Time to Boil 30 hrs (Applicable at Cold or Refueling Shutdown)

POWER AVAILABILITY . Subtotal Condition

1. Independent off-site power sources 1 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 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 014 RED..

1. Pressurizer level >20 percent w/head on (0-1) 0 2 ORANGE

2. Refueling Cavity filled (see definition) (0-3) 2 3 x

3. RCS level above REDUCED INVENTORY (0-1) 1 4

4. Makeup from VCTIBLENDER and/or RWST available (0-2) 1 Subtotal = 4 hI ~taxe wiff Ni Freedoml of In~fomadon PBF-1S62

References:

NP 10.3.6 Revision 2 10/30102 A4W A~z 4-1  ; rzl 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 15.1.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 ( or 2) 2 4-5-6 E E I

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 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 singe 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) NA- 3 YELLOW

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

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

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

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

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) NA SFP Temperatures: Subtotal = NA NW NA 0F SE NA °OF SFP Average Temp NA OF SFP Time to Boil NA GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:

None PBF-1562

References:

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

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST OUTAGE SAFETY ASSESSMENT UNIT: 1 DATE: May 17, 2004 TIME: 0200 KEY SAFETY FUNCTIONS:

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

COMMENTS:

RCS Time to Boil is 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />. Using NP 10.3.6 Time To Boil curves.

Fire Protection Condition IV: Credit is taken for fire rounds as fire prevention contingency Removed Unit I Safety Injection Pump (0P-1513) from Protected Equipment list.

PBF-1562

References:

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