ML051950600
| ML051950600 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 05/18/2004 |
| From: | Olvera J Nuclear Management Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2004-0282 | |
| Download: ML051950600 (3) | |
Text
i Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date:
May 18, 2004 Time:
1400 Preparer:
.lohln Olvera U
I R
28 NOTE:
Refer to base procedure NP 10.3.6for safety assessment checklist KSF definitions.
NOTE:
Wheneverfuel has been removedfrom the reactor vessel and refueling cavity, all key safety functions are GREEN except spentffuelpool 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 CaXnLJ (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
A L
- 4.
RCS level above REDUCED INVENTORY (0-1) 1 4-5 eGREEN RCS Temperature = 790F; 45 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
independentatthe4160V, 13.8kV, 3
and 345 kV levels)
(0-2) 1 4-5
- 2.
G-01 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 220 percent w/head on (0-1) 0 2
ORANGE
- 2.
Refueling Cavity filled (see definition)
(0-3) 2 3
- 3.
RCS level above REDUCED INVENTORY (0-1) 1 4
- 4.
Makeup from VCT/BLENDER andlor RWST available (0-2) 1 Subtotal =
4 I'
Wmibmao in Its wecord w cd*
owwrdmlw1d of Intrmffm PBF-1562 Ace 1xof 9 Revision 2 10/30/02 Ac xrn r
111
~e I of 9
References:
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 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
( or 2) 2 (0-1) 1 Subtotal 0
l 2-3 4-5-6 Condition RED ORANGE
_4imlwiL (0-1) 1 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 1B42
-(*) 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 />.
SFP Temperatures:
NW NA OF SE NA OF SFP Average Temp NA OF SFP Time to Boil NA 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 ri GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:
The RHR Reactivity flow path changed from train "B" to train "A".
The charging Reactivity flow path source changed from CV.11OA to CV-350.
The charging Inventory flow path source changed from BASTIRMW to RWST.
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:
I DATE:
May 18, 2004 TIME:
1400 KEY SAFETY FUNCTIONS:
REACTIVITY:
CORE COOLING:
POWER AVAILABLE:
INVENTORY:
CONTAINMENT:
SFP COOLING:
GREEN GREEN YELLOW GREEN GREEN NA PROTECTED EOUIPMENT:
IENTS:
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 Page 5 of 9
References:
NP 103.6 MP 10.2.1