ML051960058
| ML051960058 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 05/20/2004 |
| From: | Legreve M Nuclear Management Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2004-0282 | |
| Download: ML051960058 (3) | |
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Point Beach Nuclear Plant PBNP SHUTDOWN SAFETY ASSESSMENT AND FIRE CONDITION CHECKLIST Date:
May 20.2004 Time:
1430 Preparer:
Mike LeGreve U
I R
28 NOTE:
Refer to base procedure NP 10.3.6for safely assessment checklist KSF definitions.
NOTE:
Wheneverfuel has been removedfrom the reactor vessel and refueling cavity, all key safetyfunctions are GREEN excent spent fuel poolcooling.
KEY SAFETY FUNCTION CRITERIA: No/False =0, Yes/T rue
=
I through 4 REACTIVITY Subtotal Condition
- 1.
3014 ppm a.)
For RSD, RCS boron >Refuleling 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 boration paths (0-2) 2 2
ORANGE
- 3.
No fuel motion (0-1) 1 34
- 4.
SR instrumentation operable (0-1) 1 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
- 4.
RCS level above REDUCED INVENTORY (0-1) 1 4-5 RCS Temperature - 82F; 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
ORANGE independent at the 4160 V, 13.8 kV, 3V and 345 kV levels)
(0-2) 2 4-5
- 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) 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 4
INVENTORY Subtotal Condition 0O.
RED
- 1.
Pressurizer level 220 percent w/head on (0-1) 0 2
ORANGE
- 2.
Refiieling Cavity filled (see definition)
(0-3) 2 3
a
- 3.
RCS level above REDUCED INVENTORY (0-1) 1 4
- 4.
Makeup from VCT/BLENDER and/or RWST available (0-2) 1 Subtotal =
4 Wraton s roeod w d*Wd In mcmordnewi Fmr im Of WIarma,o All Pagel1of 9 Refercnces: NP 10.3.6 NP 102.1 PBF-1562 Revision 2 10130/02
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 (O or 2) 2 (0-1)
I Subtotal 0
2-3 4-5-6 Co6dition RED ORANGE
<=5 (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 offste 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 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-OS 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 Subtotal = NA SFP Temperatures:
NW NA
'F SE
-NA OF SFP Average Temp NA SFP Time to Boil NA GIVE A BRIEF EXPLANATION OF ANY CHANGE IN SAFETY ASSESSMENT THAT TOOK PLACE:
1X03 returned to service. This restored two independent of site power sources (Power Availability: YELLOW
=> GREEN).
G01 returned to service and normal alignment.
PBF-1562 Revision 2 10/30102
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:
1 DATE:
May 20,2004 TIME:
1430 KEY SAFETY FUNCTIONS:
REACTIVITY:
CORE COOLING:
POWER AVAILABLE:
INVENTORY:
CONTAINMENT:
SFP COOLING:
GREEN GREEN GREEN GREEN GREEN NA PROTECTED EQUIPMENT:
COMMENTS:
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 Revisian 2 10/30/02
References:
NP 103.6 NP 10.2.1 Page 5 of 9