ML080590399
| ML080590399 | |
| Person / Time | |
|---|---|
| Site: | Dresden, Quad Cities  |
| Issue date: | 03/20/2008 |
| From: | Joel Wiebe NRC/NRR/ADRO/DORL/LPLIII-2 |
| To: | Pardee C Exelon Generation Co |
| Wiebe, Joel NRR/DORL/LPL3-2, 415-6606 | |
| References | |
| Download: ML080590399 (3) | |
Text
CREV System 3 .7 .4 3 .7 PLANT SYSTEMS 3 .7 .4 Control Room Emergency Ventilation (CREV) System LCO 3 .7 .4 The CREV System shall be OPERABLE .
NOTE-------------------
The main control room envelope (CRE) boundary may be opened intermittently under administrative control .
APPLICABILITY : MODES l, 2, and 3, During movement of recently irradiated fuel assemblies in the secondary containment, During operations with a potential for draining the reactor vessel (OPDRVs) .
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. CREV System inoperable Restore CREV System 7 days in MODE 1, 2, or 3 for to OPERABLE status .
reasons other than Condition B .
B. CREV system Initiate action to Immediately inoperable due to implement mitigating inoperable CRE actions .
boundary in MODE l, 2, or 3 . AND B .2 Verify mitigating 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> actions ensure CRE occupant exposures to radiological, chemical, and smoke hazards will not exceed limits .
AND B .3 Restore CRE boundary 90 days to OPERABLE status .
(continued)
Quad Cities 1 and 2 3 .7 .4-1 Amendment No .
CREV System 3 .7 .4 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME 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 l, 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 /> D. CREV System inoperable ------------ NOTE ---__----___-
during movement of LCO 3 .0 .3 is not applicable .
recently irradiated fuel assemblies in the secondary containment D .1 Suspend movement of Immediately or during OPDRVs . recently irradiated fuel assemblies in the secondary containment .
CREV System inoperable due to an inoperable AND CRE boundary during movement of recently D .2 Initiate action to Immediately irradiated fuel suspend OPDRVs .
assemblies in the secondary containment or during OPDRVs .
Quad Cities 1 and 2 3 .7 .4-2 Amendment No .
CREV System 3 .7 .4 SURVEILLANCE REQUIREMENTS SURVEILLANCE
-T FREQUENCY SR 3 .7 .4 .1 Operate the CREV System for >_ 10 continuous 31 days hours with the heaters operating .
SR 3 .7 .4 .2 Perform required CREV filter testing in In accordance accordance with the Ventilation Filter with the VFTP Testing Program (VFTP) .
SR 3 .7 .4 .3 Verify the CREV System isolation dampers 24 months close on an actual or simulated initiation signal .
SR 3 .7 .4 .4 Perform required CRE unfiltered air In accordance inleakage testing in accordance with the with the Control Room Envelope Habitability Program . Control Room Envelope Habitability Program Quad Cities 1 and 2 3 .7 .4-3 Amendment No .