ML021430451
| ML021430451 | |
| Person / Time | |
|---|---|
| Site: | Susquehanna  |
| Issue date: | 05/17/2002 |
| From: | NRC/NRR/DLPM |
| To: | |
| References | |
| TAC MB3640, TAC MB3641 | |
| Download: ML021430451 (6) | |
Text
CREOAS System 3.7.3 PLANT SYSTEMS Control Room Emergency Outside Air Supply (CREOAS) System Two CREOAS subsystems shall be OPERABLE.
S------- ---------------------------------------
"JI APPLICABILITY:
The control room habitability envelope boundary may be opened intermittently under administrative control.
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 CREOAS subsystem A.1 Restore CREOAS subsystem 7 days inoperable, to OPERABLE status.
B. Two CREOAS 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 inoperable habitability envelope boundary control room habitability to OPERABLE status.
envelope boundary in MODES 1,2, and 3.
C. Required Action and C.1 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 B not met AND 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)
SUSQUEHANNA - UNIT 1 3.7 3.7.3 LCO 3.7.3 I I I
TS / 3.7-6 Amendment
+-7-8, 203
CREQAS System 3.7.3 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TiME D. Required Action and NOTE -----........---
associated Completion Time LCO 3.0.3 is not applicable.
of Condition A not met during movement of irradiated fuel assemblies in the secondary D.1 Place OPERABLE CREOAS Immediately containment, during CORE subsystem in pressurization/
ALTERATIONS, or during filtration mode.
OR 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 suspend Immediately OPDRVs.
E. Two CREOAS subsystems E.1 Enter LCO 3.0.3.
Immediately inoperable in MODE 1, 2, or 3 for reasons other than Condition B.
(continued)
SUSQUEHANNA - UNIT 1 Amendment 'b. --78, 203 I I TS / 3.7-7
CREOAS System 3.7.3 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME F. Two CREOAS subsystems
. NOTE -.......----------
inoperable during movement LCO 3.0.3 is not applicable.
of irradiated fuel assemblies-in the secondary containment, during CORE F.1 Suspend movement of Immediately ALTERATIONS, or during irradiated fuel assemblies in OPDRVs.
AND F.2 Suspend CORE Immediately ALTERATIONS.
AND F.3 Initiate action to suspend Immediately OPDRVs.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.3.1 Operate each CREOAS filter train for >_ 10 31 days continuous hours with the heaters operable.
SR 3.7.3.2 Perform required CREOAS filter testing in In accordance with the VFTP accordance with the Ventilation Filter Testing Program (VFTP).
SR 3.7.3.3 Verify each CREOAS subsystem actuates on an 24 months actual or simulated initiation signal.
(continued)
SUSQUEHANNA-UNIT 1 Amendment i[b.
e-78 2D3 TS / 3.7-8
CREGAS System 3.7.3 PLANT SYSTEMS Control Room Emergency Outside Air Supply (CREOAS) System Two CREOAS subsystems shall be OPERABLE.
I APPLICABILITY:
The control room habitability envelope boundary may be opened intermittently under administrative control.
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 CREOAS subsystem A.1 Restore CREOAS subsystem to 7 days inoperable.
OPERABLE status.
B. Two CREOAS subsystems B.1 Restore control room habitability 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> inoperable due to inoperable envelope boundary to control room habitability OPERABLE status.
envelope boundary in MODES 1, 2, and 3.
C. Required Action and C.1 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 B not met AND 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)
SUSQUEHANA - UNIT 2 Amendment ýb.
-51, 177 3.7 3.7.3 LCO 3.7.3 I
I I TS / 3.7-6
CREOAS System 3.7.3 ACTIONS (continued)
CONDITION D. Required Action and associated Completion Time of Condition A not met during movement of irradiated fuel assemblies in the secondary containment, during CORE ALTERATIONS, or during OPDRVs.
+
E.
Two CREOAS subsystems inoperable in MODE 1, 2, or 3 for reasons other than Condition B.
REQUIRED ACTION
..NOTE -.---------------.
LCO 3.0.3 is not applicable.
DA Place OPERABLE CREOAS subsystem in pressurization/
filtration mode.
OR D.2.1 Suspend movement of irradiated fuel assemblies in the secondary containment.
AND D.2.2 Suspend CORE ALTERATIONS.
AND D.2.3 Initiate action to suspend OPDRVs.
COMPLETION TIME Immediately Immediately Immediately E.1 Enter LCO 3.0.3.
Immediately (continued)
SUSQUEHANA - UNIT 2 Amendment No.
1-5, 177 I
i i
I I
I I I]1[1 I*U lidt, ttt y immediately TS / 3.7-7
CREOAS System 3.7.3 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME F. Two CREOAS subsystems NOTE-inoperable during movement LCO 3.0.3 is not applicable.
of irradiated fuel assemblies in the secondary containment, during CORE F.1 Suspend movement of Immediately ALTERATIONS, or during irradiated fuel assemblies in OP DRVs.
AND F.2 Suspend CORE Immediately ALTERATIONS.
AND F.3 Initiate action to suspend Immediately OPDRVs.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.3.1 Operate each CREOAS filter train for >_ 10 31 days continuous hours with the heaters operable.
SR 3.7.3.2 Perform required CREOAS filter testing in In accordance with the VFTP accordance with the Ventilation Filter Testing Program (VFTP).
SR 3.7.3.3 Verify each CREOAS subsystem actuates on an 24 months actual or simulated initiation signal.
(continued)
SUSQUEHANA - UNIT 2 Amendment No.
151, 177 TS / 3.7-8