ML051930482
| ML051930482 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 04/29/2004 |
| From: | Matthew Meyer Nuclear Management Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2004-0282 | |
| Download: ML051930482 (3) | |
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Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date:
April 29,2004 Time:
0230 Preparer:
Michael R Meyer U
1 R
28 NOTE:
Refer to base procedure NP 10.3.6 for safety assessment checklist KSF definitions.
NOTE:
J5'heneverfuel has been removedfrom the reactor vessel and refueling cavity, all key safet functions are GREEN excent spent fuel pool cooling.
KEY SAFETY FUNCTION CRITERIA: No/False = 0, Yes/True = I through 4 REACTIVITY
- 1.
RCS Boron concentration = 3003 ppm (4/28) 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 = 3004 ppm SFP Boron concentration = 3027 ppm Sul Subtotal Condition RED (0-1) 1 (0-2) 1 (0-1) 0 (0-1) 1 0-1 2
3-4 5
btotal =
3 CORE COOLING Subtotal Condition I.
Number of SG available for DHR (0-2) 0 0-1 RED
- 2.
Refueling cavity filled (0-1) 1 2
9AW
- 3.
Number of trains RHR available (0-2) 1 3
MELLOW"
- 4.
RCS level above REDUCED INVENTORY (0-1) 1 4-5 RCS TEAIP =76'F; 26 days shutdown, Subtotal =
3 RCS Level = Refucling Hleight RCS Time to Boil 26.0 hrs (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
and 345 kV levels)
(0-2) 2 4-5
- 2.
G-0I or G-02/A-05/B-03 available (0-1)
I G-03 or G-041A-061B-04 available (0-1) 1
- 3.
G-05 available, Reactor Cavity filled to Ž223 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 percett 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 VCTIBLENDER and/or RWST available (0-2) 0 Subtotal =
4 Inonrabon in s rood was deWeMd PBF-1562 in accdance wth Freedom of IrrKorma6 i Revision 2 10/30/02Act, eXemptIOns Dge I of 9
-, I
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) {Contaixunent 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) 0 Subtotal 0
2-3 4-5-6 Condition RED YELW (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 offsite power source 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 IB42
.(*) 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
.N W-4ZD (0-1) 1 (0-1) 1 (0-1)
I (0-1) 1 (0-1) 0 Subtotal =
4 SFP Temperatures:
NW 84 OF SE 82 OF SFP Average Temp 83.0 SFP Time to Boil 19.5 hrs 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 difficulties. POWER AVAILABILITY will remain GREEN. SFP COOLING will become YELLOW.
- 2.
Sump 'B' Screen scheduled to be removed on or after 4/29/04. INVENTORY will become YELLOW.
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:
April 29, 2004 TIME:
0230 KEY SAFETY FUNCTIONS:
REACTIVITY:
CORE COOLING:
POWER AVAILABLE:
INVENTORY:
CONTAINMENT:
SFP COOLING:
YELLOW YELLOW GREEN GREEN YELLOW GREEN COMMENTS:
RCS Time to Boil is 26.0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> ii SFP Time to Boil is 19.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> (full core off-load is assumed)
Fire Protection Condition IV: Credit is taken for fire rounds as fire prevention contingency.
PBF-1562 Revision 2 10130/02
References:
NP 10.3.6 NP 10.2.1 Page 5 of 9