ML120050481

Email, Request for Additional Information, Round 2, Revise Technical Specifications Related to Auxiliary Feedwater System to Adopt TSTF-245, Rev. 1, TSTF 340, Rev. 3, TSTF-412, Rev. 3, and TSTF-439, Rev. 2

ML120050481
Person / Time
Site:	Diablo Canyon
Issue date:	01/05/2012
From:	Steven Lynch Plant Licensing Branch IV
To:	Soenen P Pacific Gas & Electric Co
Lynch, S T, NRR/DORL/LPL4, 301-415-1524
Shared Package
ML120050473	List: ML120050481 ML120050488
References
TAC ME6360, TAC ME6361
Download: ML120050481 (1)

Text

From:

Lynch, Steven Sent:

Thursday, January 05, 2012 3:41 PM To:

Soenen, Philippe R Cc:

Lent, Susan; Burkhardt, Janet; Wang, Alan

Subject:

RAIs for DCPP Changes to Aux Feedwater Technical Specifications Based Upon TSTF 245, 340, 412 and 439 (TAC Nos. ME6360 and ME6361)

Attachments:

RAIs for Diablo Canyon Changes to Aux Feedwater Tec Specs.docx

Philippe, By "DCL-11-059, Diablo Canyon Units 1 & 2, License Amendment Request 11-04, Revision to Technical Specification 3.6.6, Containment Spray and Cooling Systems, TS 3.7.5, [[system" contains a listed "[" character as part of the property label and has therefore been classified as invalid. System, TS 3.8.1, AC Sources-Operating, TS 3.8.9, Distribution Sys|letter dated June 1, 2011]] (Agencywide Documents Access and Management System (ADAMS)

Accession No. ML11530114), Pacific Gas and Electric Company (PG&E) submitted PG&E Letter DCL 059, License Amendment Request 11-04, Revision to Technical Specification (TS) 3.6.6, Containment Spray and Cooling Systems, TS 3.7.5, Auxiliary Feedwater (AFW) System, TS 3.8.1, AC Sources -

Operating, TS 3.8.9, Distribution Systems - Operating, and TS Example 1.3-3.

PG&E submitted a request for revision to Technical Specifications (TS) 3.7.5, Auxiliary Feedwater (AFW)

System, 3.6.6, Containment Spray and Cooling Systems, 3.8.1, AC Sources - Operating, 3.8.9, Distribution Systems - Operating, and Example 1.3-3 to clarify the operability of an AFW train during alternate alignments; establish conditions, required actions, and completion times when one steam supply to the turbine driven AFW pump is inoperable concurrent with an inoperable motor driven AFW (MDAFW) train; remove second completion times from TSs; and provide specific actions to be taken when automatic control of the MDAFW level control valves is not functional. These changes are consistent with the guidance provided in Technical Specification Task Force (TSTF) Travelers TSTF-245, Revision 1, AFW Train Operable when in Service, TSTF-340, Revision 3, Allow 7 day completion Time for a Turbine-driven AFW Pump Inoperable, TSTF-412, Revision 3, Provide Actions for One Steam Supply to Turbine Driven AFW/EFW Pump Inoperable, and TSTF-439, Revision 2, Eliminate Second Completion Times Limiting Time From Discovery of Failure to Meet an LCO.

The U.S. Nuclear Regulatory Commission (NRC) staff has reviewed the information provided in your application and determined that additional information is required in order to complete its review. This request for additional information (RAI), found as an attachment to this e-mail, was discussed with you on December 15, 2011. In a follow-up call on January 5, 2012, it was agreed that a response to this RAI would be provided within 30 days of the date of this message. If circumstances result in the need to revise the requested response date, please contact me at (301) 415-1524 or via e-mail at Steven.Lynch@nrc.gov. The NRC staff has determined that no security-related or proprietary information is contained herein.

Regards, Steve Lynch General Engineer Office of Nuclear Reactor Regulation Division of Operating Reactor Licensing, Plant Licensing Branch 4 Office: O-12F08 MS: O-12D20 Phone: 301-415-1524