ML052030123
| ML052030123 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 05/25/2004 |
| From: | Branam T Nuclear Management Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2004-0282 | |
| Download: ML052030123 (3) | |
Text
Point Beach Nuclear Plant PBNP SHUTDOWNN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date:
May 25. 2004 Time:
0300 Preparer:
T. R. Branam U
I R
28 NOTE:
Refer to base procedure"P 10.3.6for safety assessment checklist KSFdefinitions.
INOTE.
1I71enever fidel h as been removed from JIhe reactor vessel and rifirelinqg cavity, all key safefu Snctions are GREENexcept spentfuelpool cooling.
KEY SAFETY FUNCTION CRITERIA: No/False = 0, Yes/True = I through 4 REACTIVITY
- 1.
RCS Boron concentration = 3013 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
- 2.
Number of boration paths (0-2) 2
- 3.
No fuel motion (0:1) 1
- 4.
SR instrumentation operable (0-1) 1 Subtotal Condition 0-1 RED 2
ORANGE 34
-JE.LW 5
Subtotal =
5 CORE COOLING Subtotal Condition
- 1.
Number of SG available for DHR (0-2) 0 0-1
- 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) 0 4-5 GREEN RCS Temperature = 80'F; 51 days shutdown RCS Level <55 %
Subtotal =
2 RCS Time to Boil 106 min.
(Applicable at Cold or Refueling Shutdown)
POWVER 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
- 1.
Pressurizer level 220 percent w/head on (0-1) 0 2
- 2.
Refueling Cavity filled (see definition)
(0-3) 0 3
- 3.
RCS level above REDUCED INVENTORY (0-1) 0 4
GREEN
- 4.
Makeup from VCT/BLENDER and/or RWST available (0-2) 2 Subtotal =
2 Intormabori n tINs MMmwas Me in accordance vAth the Freedom of Inltmd Ad, por X
Rererences: NP 10.3.6 NP 10.2.1 DOFCI Cfi Revision2 1/3002 f
,Page I of 9
Point Beach Nuclear Plant PBNP SHUTDON' 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
I 2-3 4-5-6 Condition RED ORANGE
<Mm>
(0-1) 1 Subtotal =
4
- SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)
NOTE:
Take credi for only one P-12 independent offsitepower 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
-('9 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 SFP Temperatures:
NW NA OF SE NA 0F SFP Average Temp NA SFP Time to Boil NA Subtotal =
NA GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:
- Core Cooling to ORANGE due to RCS level < 55 %
- Inventory to ORANGE due to RCS level < 55 %
- Time to Boil at 106 min. due to 22% RPV level, calculated from SEP-I, Degraded RHR System Capability, with vessel level at 22%, 80 'F, 51 days, and the 1.3 multiplier credit is taken.
PBF-I 562 Revision 2 10130/02 Rererences: 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 25, 2004 TIME:
0300 KEY SAFETY FUNCTIONS:
REACTIVITY:
CORE COOLING:
PONVER AVAILABLE:
INVENTORY:
CONTAINMENT:
SFP COOLING:
GREEN ORANGE GREEN ORANGE GREEN NA I
PROTECTED EQUIPMENT:
CONIMIIENTS: Fire Protection Condition III: Credit is taken for fire rounds as fire prevention contingency.
-.k
.JI
References:
NP 10.3.6 NP 10.2.1 PBF-1562 Revision 2 10/30/02 Page 5 of 9