ML051930154
| ML051930154 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 04/27/2004 |
| From: | Bennett K Nuclear Management Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2004-0282 | |
| Download: ML051930154 (3) | |
Text
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, I C5-Vc41 Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date:
April 27.2004 Time:
1430 Preparer:
Kevin J Bennett.
U I
R 28 NOTE:
Referto base procedure NP10.3.6forsafety assessment checklist SFdefinitions.
NOTE:
Weneverfuel has been removedfrom the reactor vessel and refueling cavity, all key safety functions are GREEN except spent fuel pool cooling.
KEY SAFETY FUNCTION CRITERIA: No/False =0, Yes/True =1 through 4.
REACTIVITY Subtotal Condition
- 1.
RCS Boron concentration = 3000 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 0-1 RED
- 2.
Number of boiation paths (0-2) 1 2
- 3.
No fuel motion (0-1) 0 3-4
[
- 4.
SR instrumentation operable (0-1) 1 5
Cavity Boron concentration = 3016 ppm SFP Boron concentration = 3027 ppm Subtotal =
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
- 3.
Number of trains RHR available (0-2) 1 3
4 ELLOW"
- 4.
RCS level above REDUCED INVENTORY (0-1) 1 4-5 RCS TEMP =770F; 24 days shutdown.
Subtotal =
3 RCS Level = Refueling Height RCS Time to Boil 25.5 lirs (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
1 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-I)
I 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
- 3.
RCS level above REDUCED INVENTORY (0-1) 1 4
- 4.
Makeup from VCT/BLENDER and/or RWST available (0-2) 0 1nfor1atlon In this rerd wa dpfd Subtotal =
4 In arentrnn.
wit; t
ro Act, ex t'
Revision 2 101300 Page 1 of 9 Rdecrences: NP 10.3.6 NP 10.2.1 by e IC-
Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST CONTAINMENT
- 1.
Containment integrity (TS 15..D) (Containment Operable)
IITS TS 3.6.1) set
- 2.
Containment Closure CL-lE 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
( or 2) 2 (0-1) 0 Subtotal 0
l 2-3 4-5-6 Condition RED
( 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 offsitepower source duringperiods 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 (0-1) 1 Condition RED ORANGE QULW
,-ED (0-1) 1 (0-1) 1 (0-1) 1 (0-1) 0 SFP Temperatures:
NW 80 0F SE 77 OF SFP Average Tem'p 78.5 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: 1X04 to be removed from service on 4127/04. Currently on hold due to procedure difficulties.
POWER AVAILABILITY will remain GREEN. SFP COOLING will become YELLOW.
PBF-1562 Revision 2 10130/02
References:
NP 103.6 NP 10.21 Page 2 of 9
Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND IRE CONDITION CHECKLIST OUTAGE SAFETY ASSESSMENT UNIT:
I DATE:
April 27, 2004 TIME:
1430 KEY SAFETY FUNCTIONS:
REACTIVITY:
CORE COOLING:
POWER AVAILABLE:
INVENTORY:
CONTAINMENT:
SFP COOLING:
YELLOW YELLOW GREEN GREEN YELLOW GREEN I
PROTECTED EQUIPMENT:
I S.k I1 i
COMMENTS:
RCS Time to Boil is 25.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 1,$
SF]P Time to Boil is 21 hours2.430556e-4 days <br />0.00583 hours <br />3.472222e-5 weeks <br />7.9905e-6 months <br /> (full core off-load is assumed)
Fire Protection Condition IV: Credit is taken for fire rounds as fire prevention contingency I
I.
PBF-1562 Revision 2 10/30/02
References:
NP 103.6 NP 102.1 Page 5 of 9