ML051920081

From kanterella
Jump to navigation Jump to search
Pbnp Shutdown Safety Assessment and Fire Condition Checklist
ML051920081
Person / Time
Site: Point Beach NextEra Energy icon.png
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 base procedure NP 10.3.6for safety assessment checklist KSFdeflnitions.

NOTE:

If'lieneverfitel has been remnovedfromn the reactor vessel and refueling cavity, all key safetyfimctions are GREEN excent spentfuel pool cooling.

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

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

2.

Number of boration paths

3.

No fuel motion

4.

SR instrumentation operable Subtotal Condition (0-1) 1 (0-2) 2 (0-1)

I (0-I)

I 0-1 RED 2

ORANGE 3-4 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 A

B in accordance with t e Freedom of Information Act, e tePoIo PBF-1562 F01 A Revision 2 10/30/02 Page I of 9

References:

NP 10.3.6 A

NP 10.2 q1 I.

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

1.

Containment integrity (TS 15.1.D) {Containment Operable) {ITS TS 3.6.1) set

2.

Containment Closure CL-IE maintained and closure < time to boil

3.

No fuel motion

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 (O or 4) 0 (O or 2) 2 (0-1) 1 Subtotal 0

1 2-3 4-5-6 Condition RED ORANGE

<EE (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 offsite power source duringperiods of 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

2.

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

G-03 or G-04 via IB-42

(*) an independent off-site power source different than that for

-Train A above

3.

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

(0-1) n/a (0-1) n/a (0-1) n/a (0-1) n/a SFP Temperatures:

NW n/a OF SE n/a OF SFP Average Temp n/a SFP Time to Boil n/a Subtotal =

n/a OF 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 Revision 2 10130/02 References NP 10.3.6 NP 10.21 Page 2 of 9

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:

CORE COOLING:

POWER AVAILABLE:

INVENTORY:

CONTAINMIENT:

SFP COOLING:

GREEN YELLOW GREEN YELLOW GREEN 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 Revision 2 10130/02

References:

NP 10.3.6 NP 102.1 Page 5 of 9.