ML052280405
| ML052280405 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 08/11/2005 |
| From: | Thadani M NRC/NRR/DLPM/LPD4 |
| To: | Blevins M TXU Power |
| Thadani M, NRR/DLPM, 415-1476 | |
| Shared Package | |
| ML052340600 | List: |
| References | |
| TAC MC6637, TAC MC6638 | |
| Download: ML052280405 (2) | |
Text
CREFS 3.7.10 3.7 PLANT SYSTEMS 3.7.10 Control Room Emergency Filtration/Pressurization System (CREFS)
LCO 3.7.10 Two CREFS trains shall be OPERABLE LIlI-r N
II
_________ A_
The Control Room boundary may be opened intermittently under administrative controls.
APPLICABILITY:
MODES 1,2,3,4,5, and 6, During movement of irradiated fuel assemblies ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One CREFS train A.1 Restore CREFS train to 7 days inoperable for reasons OPERABLE status.
other than Condition B.
B. Two CREFS Trains 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 Room status.
OR boundary in MODES 1, 2, 14 days for a one 3, and 4.
time implementation for each unit of the Turbine Generator Protection System Digital Modification to be completed during IRF1I and 2RF09 C. Required Action and C.1 Be in MODE 3.
6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion Time of Condition A or B AND not met in MODE 1, 2, 3, or 4.
C.2 Be In MODE 5.
36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> (continued)
COMANCHE PEAK - UNITS 1 AND 2 3.7-23 Amendment No. 66, 48, 120
CREFS 3.7.10 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME D. Required Action and D.1 Place OPERABLE Immediately associated Completion CREFS train in Time of Condition A not met emergency recirculation in MODE 5 or 6, or during mode.
movement of irradiated fuel assemblies.
OR D.2.1 Suspend CORE Immediately ALTERATIONS.
AND D.2.2 Suspend movement of Immediately irradiated fuel assemblies.
E. Two CREFS trains E.1 Suspend CORE Immediately inoperable in MODE 5 or 6, ALTERATIONS.
or during movement of irradiated fuel assemblies AND except for up to 14 days for a one time implementation E.2 Suspend movement of Immediately for each unit of the Turbine irradiated fuel Generator Protection assemblies.
System Digital Modification to be completed during 1 RF1 I and 2RF09.
F. Two CREFS trains F.1 Enter LCO 3.0.3.
Immediately inoperable in MODE 1, 2, 3, or 4 for reasons other than Condition B.
COMANCHE PEAK - UNITS I AND 2 3.7-24 Amendment No. 64,408, 120