ML051930472
| ML051930472 | |
| Person / Time | |
|---|---|
| Site: | Point Beach |
| Issue date: | 04/28/2004 |
| From: | Bennett K Nuclear Management Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2004-0282 | |
| Download: ML051930472 (3) | |
Text
Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date:
April 2. 2004 Time:
1420 Preparer:
Kevin J Bennett U
I R
28 NOTE:
Refer to base procedure NP 10.3.6for safety assessmnent checklist KSF definitions.
NOTE:
WVhjeneverfiuel has been renmoredfrom the reactor vessel and refueling cavity, all key safety finctions are GREEN except spentfiuel pool cooling.
KEY SAFETY FUNCTION CRITERIA: No/False = 0, Yes/True = 1 through 4 REACTIVITY
- 1.
RCS Boron concentration = 2995 ppm (4/27) 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 Cavity Boron concentration = 3016 ppm SF17 Boron concentration = 3027 ppm Sul Subtotal Condition RED
_c' (0-1) 1 (0-2) 1 (0-1)
()
(0-1) 1 0-1 2
3.4 5
btotal =
3 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
A L
- 3.
Number of trains RHR available (0-2) 1 3
- 4.
RCS level above REDUCED INVENTORY (0-1) 1 4-5 RCS TFMII =76TF; 25 days shibitduiv, Subtotal =
3 JCS Level = Refueling 6eight RCS Time to Boil 25.5 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
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-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) 1 Subtotal =
5 INVENTORY Subtotal Condition
- 1.
Pressurizer level 220 percent w/head on 0-1 RED (0-1) 0 2
ORANGE
- 2.
Refueling Cavity filled (see definition)
(0-3) 3 3
A
- 3.
RCS level above REDUCED INVENTORY (0-1) 1 4
- 4.
Makeup from VCT/BLENDER and/or RWST available (0-2) 0 Subtotal =
4 B
.,. 1 PBF-1562 injaf rdance with the Freedom of Iraaormafl Revision 2 10/30/0'A, exemp~ons 4L.
Page I of 9 FO~yW9 2/4-b g
References:
NP 10.3.6 NP 102.1
Point Beach Nuclear Plant IBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST CONTAINMENT I.
Containment integrity (TS 15.l.D) I Containment Operable)
- 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
( or 4) 0 (O or 2) 2 (0-1) 0 Subtptoal 0
2-3 4-5-6 Condition RED C YELLOW)]
(0-1) 1 Subtotal =
3 SPENT FUEL POOL COOLING (ONLY APPLICABLE when starting AND during FULL CORE OFFLOADS)
NOTE:
Take creditfor only one P-12 independent ofisite 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 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 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 n4 D
(0-1)
I (0-1)
I (0-1) 1 (0-1) 1 (0-1) 0 SFP Temperatures:
NW 83 0F SE 80 OF SFP Average Temp 81.5 SFP Time to Boil 21 hrs Subtotal =
4 OF GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE: None LOOK AHEAD:
- 1.
IX04 to be removed from service. Currently on hold due to procedure difficutlies. POWVER AVAILABILITY is-ill remain GREEN. SFP COOLING will become YELLOW.
- 2.
Sump 'B' Screcn sclieduled to be removed on 4/28/04. INvrENrTORS' ill become YELIOW.
PBF-1562 Revision 2 10/30/02
References:
NP 10.36 NP 10.2.1 Page 2 of 9
Point Beach Nuclear Plani PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CIIECKLIS'r I:
OUTAGE SAFETY ASSESSMENT UNIT:
I DATE:
April 28, 2004 TIME:
142()
KEY SAFETY FUNCTIONS:
REACTIVITY:
CORE COOLING:
POWER AVAILABLE:
INVENTORY:
CONTAINMENT:
YELLOW YELLOW GREEN GREEN YELLOW SFP COOLING:
GREEN C+
RCS Time to Boil is 23.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> SFP Time to Boil is 21 hours2.430556e-4 days <br />0.00583 hours <br />3.472222e-5 weeks <br />7.9905e-6 months <br /> (Ciil core orf-load is assumed)
Fire Protection Condition IV: Credit is taken for fire rounds as fire prevention contingency PBF-1562 Revision 2 10/30102
References:
NP 10.3.6 NP 10.2.1 Page 5 of 9