ML051920081

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051920081
Person / Time
Site:	Point Beach
Issue date:	04/18/2004
From:	John Hanna Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051920081 (3)

Text

I.. s LC Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: April 18,2004 Time: 0200 Preparer: James Hanna U I R 28 NOTE: Refer to baseprocedureNP 10.3.6for safety assessment checklist KSFdeflnitions.

NOTE: If'lieneverfitelhas been remnovedfromn the reactor vessel and refueling cavity, all key safetyfimctions are GREEN excent spentfuelpool cooling.

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

1. RCS Boron concentration = 2890 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-I) I 5 C GEEN Subtotal 5 CORE COOLING Subtotal Condition I. 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<G:

RCS Temperature derived from T/Cs TE04 and TE06.

RCS TEMIP = 98'F; 15 days shutdown; RCS 69% Subtotal - 3 RCS Time to Boll 43 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-051B-03 available (0-1) I G-03 or G-04/A-06/B-04 available (0-I) I

3. G-05 available, Reactor Cavity filled to a 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-I) 0 Subtotal = 4 INVENTORY Subtotal Condition

1. Pressurizer level 220 percent Wvhead on 0-I RED (0-1) 0 2

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

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

4. Makeup from VCT/BLENDER and/or RWST available (0-2) 2 Subtotal 3

--- acioluuru was aeleted inacowrD dancX e in accordance with ABt e Freedom of Information Act, e tePoIo PBF-1562 F01 A

References:

NP 10.3.6 A Revision 2 10/30/02 Page I of 9 NP 10.2 q1 I.

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-IE maintained 2-3 and closure < time to boil (O or 2) 2 4-5-6 <EE

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 independentoffsite power source duringperiodsof single X-03 or X-04 availabiliy(*).

Subtotal Condition

1. "A" SFP cooling pump available 0-1 RED with power available from: 2 ORANGE

- G-02orG-0I via2B-32 (0-1) n/a 3 YELLOW

-(s) 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) n/a

3. Temporary power available to one SFP cooling pump, G-05 available, and SFP time to boil E-12 hours. (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:

(Jerry Strharsky) Changed time to boil based on consen'ative times provided by SEP-I Attachment C for % pipe vessel level rather than Interpolating data.

PBF-1 562 References NP 10.3.6 Revision 2 10130/02 Page 2 of 9 NP 10.21

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST OUTAGE SAFETY ASSESSMENT UNIT: 1 DATE: April 18, 2004 TIME: 0200 KEY SAFETY FUNCTIONS:

REACTIVITY: GREEN CORE COOLING: YELLOW POWER AVAILABLE: GREEN INVENTORY: YELLOW CONTAINMIENT: GREEN SFP COOLING: N/A PROTECTED EOUIPMENT:

COMMENTS:

Fire Protection Condition III: Crediting existing fire rounds as fire prevention contingency RCS Time to Boil is 43 minutes RCS is at 69% Reactor Vessel Level Hot Leg Vent Path is the Pressurizer Manway PBF-1562

References:

NP 10.3.6 Revision 2 10130/02 Page 5 of 9. NP 102.1