ML052030207
| ML052030207 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 05/30/2004 |
| From: | John Hanna Nuclear Management Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2004-0282 | |
| Download: ML052030207 (3) | |
Text
Point Beach Nuclear Planit PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date:
May 30,2004 Time:
0200 Preparer:
James Hanna U
I R
28 NOTE:
Refer to base procedure NP 10.3. 6for safety assessment checklist KSF definitions.
NOTE:
If henever fuel has been removedfrom tle reactor vessel and refueling cavity, all key safetyfunctions are GREEN exceD! spent fuelpool cooling.
KEY SAFETY FUNCTION CRITERIA: No/False = 0, Yes/True = I through 4 REACTIVITY
- 1.
RCS Boron concentration 2686 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 IQ&vl C<ED' (0-1) 1 (0-2) 2 (0-1)
I (0-1)
I 0-1 2
3-4 5
Subtotal =
5 CORE COOLING Subtotal Condition
- 1.
Number of SG available for DHR (&- RCPs bumped)
(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 RCS Temperature = 95F; 57 days shutdown RCS is solid, S/G tubes not filled Subtotal 3
RCS Time to Boil 126 min.
(Applicable at Cold or Refueling Shutdown)
POWER AVAILABILITY Subtotal Condition I.
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
O k'
and 345 kV levels)
(0-2) 2 4-5 CGREEN:
- 2.
G-01 or G-02/A-05/B-03 available (0-1)
I G-03 or G-04/A-06/B-04 available (0-1)
I
- 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 RED
- 1.
Pressurizef level 220 percent w/head on (& RCPs bumped)
(0-1) 0 2
- 2.
Refueling Cavity filled (see definition)
(0-3) 0 3
- 3.
RCS level above REDUCED INVENTORY (0-1) 1 4
- 4.
Makeup from VCT/BLENDER and/or RWST available (0-2) 2 Subtotal=
3 ine ^
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References:
NP 10.3.6 NP 10.2.1 PBF-1562 Revision 2 10/30/02
Point Beach Nuclear Plant PBNP SIUTDOWN 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-I)
I Subtotal 0
1 2-3 4-5-6 Condition RED ORANGE
<M (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 offslte powersource during periods of single X-03 orX-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 I B42
.(*) 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
'F SE NA
'F 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 and Inventory wvill remain YELLOW until tle RCPs are bumped to ensure SG tubes are filled PBF-1 562 Revision2 10/30102
References:
NP 103.6 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:
iSlay 30, 2004 TIME:
0200 KEY SAFETY FUNCTIONS:
REACTIVITY:
CORE COOLING:
POWER AVAILABLE:
INVENTORY:
CONTAINMENT:
SFP COOLING:
GREEN YELLOW GREEN YELLOW GREEN NA PROTECTED EQUIPMENT:
COMMENTS:
- RCS Time to Boil is 126 minutes
- Core Cooling and Inventory wvil become GREEN after OP4B-060 (RCP A/B 10 minute run and vent)
PBF-1562 Revision 2 10/30/02
References:
NP 10.3.6 NP 10.2.1 Page 5 of 9