ML052030187

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML052030187
Person / Time
Site:	Point Beach
Issue date:	05/29/2004
From:	Hastings R Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML052030187 (3)

Text

AiR Q, Point Beach Nuclear Plant PBNP SHUTDOWNN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: Mlav 29. 2004 Time: 0300 Preparer: Randy Hastings U I R 28 NOTE: Refer to base procedureNP 10.3.6for safety assessment checklist KSF definitions NOTE: 111heneverfuel has been removedfrom the reactor vessel and refueling cavit, allkey safet functions are GREEN except spentfuel pool cooling.

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

1. RCS Boron concentration >2200 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) i 5 (=5N Subtotal = 5 CORE COOLING Subtotal Condition

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

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

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

4. RCS level above REDUCED INVENTORY (0-1) 1 4-5 RCS Temperature = 920F; 56 days shutdownv RCS is solid, S/C tubes not filled Subtotal = 3 RCS Time to Boil 126 min. (Applicable at Cold or Refueling Shutdown)

PONVER 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-0I or G-02/A-05/B-03 available (0-1) 1 G-03 or G-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 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 0-1 RED

1. Pressurizer level 220 percent v/head on (& RCPs bumped) (0-1) 0 2

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

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

4. Makeup from VCTIBLENDER and/or RWST available (0-2) 2 Subtotal 3 se IWc

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inaccordance Wth the Freedom of Inloemon V-+4 PBF-1562 c, 1

References:

NP 10.3.6 V- ;1 ,' O A. .:2 A 9fl c-a paugp I nf Q MP In7l I

Point Beach Nuclear Plant PBNP SHUTDONNN 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-IE maintained 2-3 and closure < time to boil (Oor2) 2 4-5-6 <=5_

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 creditfor only one P-12 independent offsitepower source duringperiods ofsingleX-03 orX-04 availability (*).

Subtotal Condition

1. "A" SFP cooling pump available 0-1 RED with power available frorn 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 fromn

- 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 0

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

• Core Cooling and Inventory will remain YELLOW until the RCPs are bumped.

• Both Unit I S/Gs are available for Fire Protection Condition II.

PBF-1562

References:

NP 10.3.6 no i_ntininn P... -rof0 %ID In -I I

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST OUTAGE SAFETY ASSESSMENT UNIT: I DATE: May 29, 2004 TIME: 0300 KEY SAFETY FUNCTIONS:

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

• RCS is solid, S/G tubes not filled

• RCS Fill and Vent in progess

• RCS Time to Boil is 126 minutes

• Core Cooling and Inventory will remain YELLOWNNuntil the RCPs are bumped.

PBF- 562

References:

NP 10.3.6 rv, 7^ MIAMIa Pape 5 of 9 NP 10.2.1