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 Unit 1 - Amendment No. 1-5, 4-6-7 178 Units 1 and 2 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 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> DG is not inoperable due to common cause failure.

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

AND B.4 Restore DG to 14 days OPERABLE status.

AND 21 days from discovery of failure to meet LCO Prairie Island Unit 1 - Amendment No. 4-5' 4-6-7 17 Units 1 and 2 3.8.1-3 Unit 2 -Amendment No. 449 4-5-7 161