ML020300311
| ML020300311 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 01/29/2002 |
| From: | NRC/NRR/DLPM |
| To: | |
| Wharton L | |
| Shared Package | |
| ML020300117 | List: |
| References | |
| TAC MB1671, TAC MB1672, TAC MB1673 | |
| Download: ML020300311 (5) | |
Text
Boron Dilution Alarm System (BDAS) 3.3.12 3.3 INSTRUMENTATION 3.3.12 Boron Dilution Alarm System (BDAS)
LCO 3.3.12 APPLICABILITY:
Two channels of BDAS shall be OPERABLE.
MODES 3, 4,5 and 6.
NOTE ------------------------
Required in MODE 3 within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> after the neutron flux is within the startup range following a reactor shutdown.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One required channel A.1 Determine the RCS Immediately inoperable, boron concentration.
AND At the monitoring Frequency specified in the CORE OPERATING LIMITS REPORT B. Two required channels B.1 Determine the RCS Immediately inoperable, boron concentration by redundant methods.
AND At the monitoring frequency specified in the CORE OPERATING LIMITS REPORT (continued)
PALO VERDE UNITS 1,2,3 I
AMENDMENT NO.
4 138 3.3.12-1
Boron Dilution Alarm System (BDAS) 3.3.12 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME C.
Required Action and C.1 Suspend all Immediately associated Completion operations involving Time not met.
positive reactivity additions.
PALO VERDE UNITS 1,2,3 3.3.12-2 AMENDMENT NO. 117
Boron Dilution Alarm System (BDAS) 3.3.12 SURVEILLANCE REQUIREMENTS__
SURVEILLANCE FREQUENCY
NOTE-----------
SR 3.3.12.1 Not required to be performed until 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> after neutron flux is within the startup range.
Perform CHANNEL CHECK.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />
NOTE -----------
SR 3.3.12.2 Not required to be performed until 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> after neutron flux is within the startup range.
Perform CHANNEL FUNCTIONAL TEST.
92 days SR 3.3.12.3
NOTE---------------
Neutron detectors are excluded from CHANNEL CALIBRATION.
Perform CHANNEL CALIBRATION.
18 months PALO VERDE UNITS 1,2,3 AMENDMENT NO.
117 3.3.12-3
Nuclear Instrumentation 3.9.2 3.9 REFUELING OPERATIONS 3.9.2 Nuclear Instrumentation LCO
3.9.2 APPLICABILITY
Two startup range monitors (SRMs) shall be OPERABLE.
MODE 6.
ACTIONS
NOTE----------------
Enter applicable Conditions and Required Actions of LCO 3.3.12, "Boron Dilution Alarm System (BDAS)" for BDAS made inoperable by SRMs.
CONDITION REQUIRED ACTION COMPLETION TIME A.
One required SRM A.1 Suspend CORE Immediately inoperable.
ALTERATIONS.
AND A.2 Suspend positive Immediately reactivity additions.
B.
Two required SRMs B.1 Initiate action to Immediately inoperable, restore one SRM to OPERABLE status.
PALO VERDE UNITS 1,2,3 AMENDMENT NO.
11-7-138 3.9.2-1
Nuclear Instrumentation 3.9.2 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.2.1 Perform CHANNEL CHECK.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> SR 3.9.2.2
NOTE---------------
Neutron detectors are excluded from CHANNEL CALIBRATION.
Perform CHANNEL CALIBRATION.
18 months PALO VERDE UNITS 1,2,3 3.9.2-2 AMENDMENT NO.
117