ML051950593
| ML051950593 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 05/18/2004 |
| From: | Scott S Nuclear Management Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2004-0282 | |
| Download: ML051950593 (3) | |
Text
Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date:
AMay 18, 2004 Time:
0200 Preparer:
Sara Scott U
I R
28 NOTE:
Refer to base procedure NP 10.3.6for safety assessment checklist KSF definitions.
NOTE:
Wheneverfuel has been removed from the reactor vessel and refueling cavit, all key safetyfunctions are GREEN excent spentfuelpool cooling.
KEY SAFETY FUNCTION CRITERIA: No/False = 0, Yes/True = I through 4 REACTIVITY
- 1.
RCS Boron concentration = 3020 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 RED ORANGE CupM.Q (0-1) 1 (0-2) 2 (0-1) 1 (0-1) 1 0-1 2
3-4 5
Subtotal =
5 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 CGREEN RCS Temperature = 79F; 44 days shutdown RCS Level = Rod Latch Height Subtotal =
4 RCS Time to Boil 30 hrs (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
independent at the 4160 V. 13.8 kV, 3
E o
and 345 kV levels)
(0-2) 1 4-5
- 2.
G-O0 or G-02/A-051B-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 =
3 INVENTORY Subtotal Condition 0-1 RED
- 1.
Pressurizer level Ž20 percent w/head on (01) 0 2
ORANGE
- 2.
Refueling Cavity filled (see definition)
(0-3) 2 3
- 3.
RCS level above REDUCED INVENTORY (0-1) 41 4
- 4.
Makeup from VCT/BLENDER and/or RWST available (0-2) 1 Subtotal =
4 PBF-1 562 Revision 2 I~ndomabon M
~scordww de*eiW hinaccordance wd ijecMcikfmallaon 10130102 RWAlAAJU rev~ I of 9 Rcferences: NP 10.3.6 NP 10.2.1
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 inteinals 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 CM>I (0-1)
I Subtotal =
4 SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)
NOTE:
Take credit for only one P-12 independent offsite power source during periods of single X-03 or X-04 availability (*).
- 1.
'A" SFP cooling pump available with power available from:
G-02 or G-01 via 2B-32
.(*) an independent off-site power source different than that for Train B below
- 2.
'B" SFP cooling pump available with power available from:
G-03 or G-04 via IB42
-(*) 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 2 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
Subtotal 0-1 2
3 4-5 Condition RED.
ORANGE YELLOW GREEN
-(0-1)
NA (0-1)
NA.
(0-1)
NA (0-1)
NA (0-1)
NA Subtotal =
NA SFP Temperatures:
NW NA OF SE
-NA OF SFPAverage Temp
. NA SFP Time to Boil
.NA GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:
RCS Boron increased from 3002 to 3020 ppm
-.The RHR Reactivity flow path changed from train "B" to train "A".
PBF-1562 Revision 2 10/30/02
References:
NP 10.3.6 NP 10.2.1 Page 2 of 9
Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST OUTAGE SAFETY ASSESSMENT UNIT:
1 DATE:
May 18, 2004 TIME:
0200 KEY SAFETY FUNCTIONS:
REACTIVITY:
CORE COOLING:
POWER AVAILABLE:
INVENTORY:
CONTAINMENT:
SEP COOLING:
GREEN GREEN YELLOW GREEN GREIN NA PROTECTED EOUIPMENT:
COMMENTS:
V 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 and curve for core reload complete.
Fire Protection Condition IV: Credit is taken for fire rounds as fire prevention contingency PBF-1562 Revision 2 10/30/02
References:
NP 10.3.6 NP 10.2.1 Page 5 of 9