ML080590409

Technical Specifications 3.7, Plant Systems, Pages 3 .7 .4-1 Through 3 .7 .4-3, Dresden Units 2 and 3, to CR Habitability Amendment

ML080590409
Person / Time
Site:	Dresden, Quad Cities
Issue date:	03/20/2008
From:	Joel Wiebe NRC/NRR/ADRO/DORL/LPLII-2
To:	Pardee C Exelon Generation Co
Wiebe, Joel NRR/DORL/LPL3-2, 415-6606
Shared Package
ML080590126	List: ML080590365 ML080590384 ML080590409
References
Download: ML080590409 (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 1, 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 l, 2, or 3 for to OPERABLE status .

reasons other than Condition B .

B. CREV system inoperable Initiate action to Immediately due to inoperable CRE implement mitigating boundary in MODE 1, 2, actions .

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)

Dresden 2 and 3 3 .7 .4-1 Amendment No .

CREV System 3 .7 .4 ACTIONS (continued)

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 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 /> 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 OR 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 .

Dresden 2 and 3 3 .7 .4-2 Amendment No .

CREV System 3 .7 .4 SURVEILLANCE REQUIREMENTS SURVEILLANCE 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 actuates on a manual 24 months 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 Dresden 2 and 3 3 .7 .4-3 Amendment No .