ML071490004

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Extension of Technical Specifications 3.8.1 AC Source-Operating, Emergency Diesel Generator (EDG) Completion Time (Tac Nos. MC9001 and MC9002)
ML071490004
Person / Time
Site: Prairie Island  Xcel Energy icon.png
Issue date: 05/30/2007
From:
NRC/NRR/ADRO/DORL/LPLIII-1
To:
Chawla M, NRR/DORL, 415-8371
Shared Package
ML071490003 List:
References
TAC MC9001, TAC MC9002
Download: ML071490004 (2)


Text

AC Sources-Operating 3.8.1 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. (continued)

A.2 Restore path to 7 days OPERABLE status.

AND 21 days from discovery of failure to meet LCO B. One DG inoperable.

B. 1 Perform SR 3.8.1.1 for the 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> paths.

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 B.2 Declare required feature(s) 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> from supported by the discovery of inoperable DG inoperable Condition B when its required concurrent with redundant feature(s) is inoperability of inoperable, redundant required feature(s)

AND Prairie Island Units 1 and 2 Unit 1 - Amendment No. 1-5, 4-6-7 178 3.8.1-2 Unit 2 - Amendment No. 449 4-5-7168

AC Sources-Operating 3.8.1 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME B. (continued)

B.3.1 Determine OPERABLE DG is not inoperable due to common cause failure.

OR B.3.2 Perform SR 3.8.1.2 for OPERABLE DG.

AND B.4 Restore DG to OPERABLE status.

24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 24 hours 14 days AND 21 days from discovery of failure to meet LCO Prairie Island Units 1 and 2 Unit 1 - Amendment No. 4-5' 4-6-7 17 Unit 2 -Amendment No. 449 4-5-7 161 3.8.1-3