ML051930147

Pbnp Shutdown Safety Assessment and Fire Condition Checklist

ML051930147
Person / Time
Site:	Point Beach
Issue date:	04/26/2004
From:	Bennett K Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0282
Download: ML051930147 (3)

Text

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date: '*.. April 26, 2004 Time: 1340 Preparer: Kevin J Bennett U I R 28 NOTE: Refer to base procedureNP 10.3.6for safety assessment checklist KSF definitions.

NOTE: Wh7 eneverfuel has been removedfrom the reactorvessel and refueling cavity, all key safety functions are GREEN except spentfuelpool cooling.

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

. 1. RCS Boron concentration = 3005 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) 1 2

3. No fuel motion (0-1) 0 3-4 __>

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

Cavity Boron concentration = 2999 ppm RFP fl,,1n1, s nng.nrntr n = 3nRinnm Q11,fntnl = 3 CORE COOLING Subtotal Condition

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

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

3. Number of trains RHR available (0-2) 1 3 e L O

4. RCS level above REDUCED INVENTORY (0-1) 1 4-5 A lt:S TEMIP =80"F; 23 days shutdown, Subtotal = 3 RCS Level = Refueling Height

RCS Time to Boil 25 Ihrs (Applicable at Cold or Refueling Shutdown)

POWER AVAILABILITY Subtotal Condition l- 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-021A-05/B-03 available (0-1) 1 G-03 or 0-04/A-06fB3-04 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) 1 Subtotal = 5 INVENTORY Subtotal Condition

1. Pressurizer level 220 percent wlhead on 0-1 RED (0-1) 0 2 ORANGE

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

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

4. Makeup from VCI/BLENDER and/or RWST available (0-2) 0 Information In this record was deleted Subtotal 4 a0VdIulf WU1UiT e frneeom nf Infnrmtd.n I#t Act, e tions-4 * -'.. 'a llo0lui PBF 1562 -

References:

NP 10.3.6 Revision 2 1O/30lO2 Page 1 of`9 NP 10.2.1 5 k\\?a

Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST CONTAINMENT Subtotal Condition

1. Containment integrity (TS 15.1.D) IContainment 0 RED Operable) (ITS TS 3.6.1 ) set (O or 4) 0 1

2. Containment Closure CL-IE maintained 2-3 and closure < time to boil (0 or 2) 2 . 4-5-6

3. No fuel motion (0-1) 0

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 = 3 SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)

NOTE: Take creditfor only one P-12 independent offsite power source during periods 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) -1I 3 LyQ W

.(*) an independent off-site power source different than that for 4-5 ram .3 Train B below (0-1) i

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

G--03 or G-04 via IB42 (0-1) 1

.{*) an independent off-site power

. i source different than that for Train A above (0-1) 1

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) 0 SFP Temperatures: Subtotal =_ 4

• NW - 78 OF SE 75 OF SFP Average Temp 76.5 OF SFP Tirne to Boil 21 hrs GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE: None LOOK AHEAD: IX04 to be removed from service on 4/26/04. Currently on hold due to procedure difficulties.

POWER AVAILABILITY will remain GREEN. SFP COOLING vill become YELLOW.

i PBF-1562

References:

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

Point Beach Nucicar Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION OUTAGE SAFETY ASSESSMENT UNIT: 1 DATE: April 26,2004 TIME:

KEY SAFETY FUNCTIONS:

REACTIVITY: YELLOW

.. I CORE COOLING: YELLOW POWER AVAILABLE: GREEN INVENTORY: GREEN CONTAINMENT:- YELLOW SFP COOLING: GREEN PROTECTED EOUIPMENT:

RCS Time to Boil is 25 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br /> SEP Time to Boil is 21 hours2.430556e-4 days <br />0.00583 hours <br />3.472222e-5 weeks <br />7.9905e-6 months <br /> (full core off-load is assumed)

Fire Protection Condition IV: Credit is taken for fire rounds as fire prevention contingency PBF-1562

References:

NP 103.6 Revision 2 10/30/02 Page 5 of 9 NP 10.2.1