ML042160073
| ML042160073 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 07/26/2004 |
| From: | NRC/NRR/DLPM |
| To: | |
| Macon W, NRR/DLPM,415-3965 | |
| Shared Package | |
| ML042160583 | List: |
| References | |
| TAC MC2650 | |
| Download: ML042160073 (4) | |
Text
CREF System 3.7.3 3.7 PLANT SYSTEMS 3.7.3 Control Room Emergency Filtration (CREF) System LCO 3.7.3 Two CREF subsystems shall be OPERABLE.
NOTE----------------------------
The control room boundary may be opened intermittently under administrative control.
APPLICABILITY:
MODES 1, 2, and 3, During movement of irradiated fuel assemblies in the secondary containment, During CORE ALTERATIONS, During operations with a potential for draining the reactor vessel (OPDRVs).
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
One CREF subsystem A.1 Restore CREF 7 days inoperable.
subsystem to OPERABLE status.
B.
Two CREF subsystems B.1 Restore control room 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> inoperable due to boundary to OPERABLE inoperable control status.
room boundary in MODES 1,
2, and 3.
C.
Required Action and C.l Be in MODE 3.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> Associated Completion Time of Condition A or AND B not met in MODE 1, 2, or 3.
C.2 Be in MODE 4.
36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> (continued)
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Columbia Generating Station 3.7.3 -1 Amendment No. 149,+/-69,188
CREF System 3.7.3 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME D.
Required Action and NOTE-------------
associated Completion LCO 3.0.3 is not applicable.
Time of Condition A not met during movement of irradiated D.1 Place OPERABLE CREF Immediately fuel assemblies in the subsystem in secondary containment, pressurization mode.
during CORE ALTERATIONS, or during OR OPDRVs.
D.2.1 Suspend movement of Immediately irradiated fuel assemblies in the secondary containment.
AND D.2.2 Suspend CORE Immediately ALTERATIONS.
AND D.2.3 Initiate action to Immediately suspend OPDRVs.
E.
Two CREF subsystems E.1 Enter LCO 3.0.3.
Immediately inoperable in MODE 1, 2, or 3 for reasons other than Condition B.
(continued)
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I Columbia Generating Station 3.7.3-2 Amendment No. +/-49,+/-69,188
CREF System 3.7.3 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME F.
Two CREF subsystems
NOTE-------------
inoperable during LCO 3.0.3 is not applicable.
movement of irradiated fuel assemblies in the secondary containment, F.1 Suspend movement of Immediately during CORE irradiated fuel ALTERATIONS, or during assemblies in the OPDRVs.
AND F.2 Suspend CORE Immediately ALTERATIONS.
AND F.3 Initiate action to Immediately suspend OPDRVs.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.3.1 Operate each CREF subsystem for > 10 31 days continuous hours with the heaters operating.
SR 3.7.3.2 Perform required CREF filter testing in In accordance accordance with the Ventilation Filter with the VFTP Testing Program (VFTP).
(continued)
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Columbia Generating Station 3.7.3-3 Amendment No. i49,+/-69,188
CREF System 3.7.3 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.3.3 Verify each CREF subsystem actuates on an 24 months actual or simulated initiation signal.
SR 3.7.3.4 Verify each CREF subsystem can maintain a 24 months on a positive pressure of > 1/8 inches water STAGGERED TEST gauge relative to the radwaste and turbine BASIS buildings during the pressurization mode of operation at an outside air flow rate of
< 1000 cfm.
Columbia Generating Station 3.7.3-4 Amendment No. 1-4-9 169