ML072140763

Technical Specification 3.8.1 Extension of the Completion Time for an Inoperable Diesel Generator Amendment

ML072140763
Person / Time
Site:	Fermi
Issue date:	08/01/2007
From:	Adrian Muniz NRC/NRR/ADRO/DORL/LPLIII-1
To:	Jennifer Davis Detroit Edison
muniz A, ADRO/DORL/415-4044
Shared Package
ML071830114	List: ML071830105 ML072140763
References
TAC MD2618
Download: ML072140763 (5)

Text

AC Sources -- Operating 3.8.1 3.8 ELECTRICAL POWER SYSTEMS 3.8.1 AC Sources--Operating LCO 3.8.1 The following AC electrical power sources shall be OPERABLE:

a. Two qualified circuits between the offsite transmission network and the onsite Class 1E AC Electrical Power Distribution System; and

b. Two emergency diesel generators (EDGs) per division.

APPLICABILITY: MODES 1, 2, and 3.

ACTIONS ACTIONS------------------------------ NOTE .....................................

LCO 3.0.4.b is not applicable to EDGs.

CONDITION REQUIRED ACTION COMPLETION TIME A. One EDG inoperable. A.1 Perform SR 3.8.1.1 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> for OPERABLE offsite circuit(s). AND Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter AND A.2 Declare required 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> from feature(s), supported discovery of an by the inoperable inoperable EDG EDG, inoperable when concurrent with the redundant inoperability of required feature(s) redundant are inoperable. required feature(s)

AND A.3 Verify the status of Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> CTG 11-1.

AND (continued)

FERMI - UNIT 2 3.8-1. Amendment No. *4. /WI1 7 5

AC Sources -- Operating 3.8.1 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.- (continued) A.4.1 Determine OPERABLE 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> EDG(s) are not inoperable due to common cause failure.

OR A.4.2 Perform SR 3.8.1.2 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> for OPERABLE EDG(s).

AND A.5 Restore availability 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> from of CTG 11-1.. discovery of Condition A concurrent with CTG 11-1 not available AND A.6 Restore EDG to 14 days OPERABLE status.

B. Both EDGs in one B.1 Perform SR 3.8.1.1 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> division inoperable. for OPERABLE offsite circuit(s). AND Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter AND FERMI - UNIT 2 3.8-2 Amendment No. X3/ , ;_X, /t7,9 175

AC Sources--Operating 3.8.1 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME B. (continued) B.2 Declare required 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> from feature(s), supported discovery of by the inoperable the inoperable EDGs, inoperable when EDGs concurrent the redundant with required feature(s) inoperability are inoperable, of redundant required feature(s)

AND B.3.1 Determine OPERABLE 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> EDG(s) are not inoperable due to common cause failure.

OR B.3.2 Perform SR 3.8.1.2 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> for OPERABLE EDG(s).

AND B.4 Restore one EDG in 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />.

the division to OPERABLE status.

C. One or both EDGs in C.1 Restore both EDGs in 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> both divisions one division to inoperable. OPERABLE status.

D. One offsite circuit D.1 Perform SR 3.8.1.1 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> inoperable, for OPERABLE offsite circuit. AND Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> AND thereafter (continued)

ýFERMI - UNIT 2 3.8-2a Amendment No. /IjV 175

AC Sources -- Operating 3.8.1 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME D. (continued) D.2 Declare required 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> from feature(s) with no discovery of no offsite power offsite power available inoperable to one division when the redundant concurrent with required feature(s) inoperability are inoperable, of redundant required feature(s)

AND D.3 Restore offsite 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> circuit to OPERABLE status.

E. Two offsite circuits E.1 Declare required 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> from inoperable, feature(s) inoperable discovery of when the redundant Condition E required feature(s) concurrent with are inoperable. inoperability of redundant required feature(s)

AND E.2 Restore one offsite 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> circuit to OPERABLE status.

(continued)

FERMI - UNIT.2 3.8-2b Amendment No. /t,', 175

AC Sources---Operating 3.8.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME F. One offsite circuit - ------------ NOTE ------------

inoperable. Enter applicable Conditions and Required.Actions of AND LCO 3.8.7, "Distribution Systems - Operating," when One or both EDGs in Condition F is entered with one Division no AC power source to one or inoperable, more 4160 V buses 64B, 64C, 65E or 65F.

F.1 Restore offsite 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> circuit to OPERABLE status.

OR F.2 Restore both EDGs in 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> the Division to OPERABLE status.

G. Required Action and G.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, B, C, D, E or F not AND met.

G.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 /> FERMI - UNIT .2 3.8-2c Amendment No.

175