ML14169A032

Supplemental Information Regarding License Amendment Request to Adopt TSTF-426-A

ML14169A032
Person / Time
Site:	Calvert Cliffs
Issue date:	06/13/2014
From:	George Gellrich Exelon Generation Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML14169A032 (4)

Text

Exeon Exe Generation()

on GeGeorge Gellrich Site Vice President Calvert Cliffs Nuclear Power Plant 1650 Calvert Cliffs Parkway Lusby, MD 20657 410 495 5200 Office 717 497 3463 Mobile www.exeloncorp.com george.gellrich@exeloncorp.com June 13, 2014 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555 Calvert Cliffs Nuclear Power Plant, Unit Nos. 1 and 2 Renewed Facility Operating License Nos. DPR-53 and DPR-69 NRC Docket Nos. 50-317 and 50-318

Subject:

Supplemental Information Regarding License Amendment Request to Adopt TSTF-426-A

Reference:

1. Letter from Mr. G. H. Gellrich (CCNPP) to Document Control Desk (NRC),

dated November 13, 2013, Application for Technical Specification Improvement to Adopt TSTF-426-A, Revision 5, "Revise of Add Actions to Preclude Entry into LCO 3.0.3 - RITSTF Initiatives 6b and 6c" In Reference 1, Calvert Cliffs Nuclear Power Plant, LLC submitted a license amendment request to modify the Technical Specification requirements to adopt the changes described in Technical Specification Task Force (TSTF)-426-A, Revision 5, "Revise of Add Actions to Preclude Entry into LCO 3.0.3 - RITSTF Initiatives 6b and 6c." Supplemental information is needed for completion of the Nuclear Regulatory Commission review of the requested amendment. Attachment (1) provides corrected inserts for Technical Specification 3.6.6 and 3.7.8. Additionally, corrected Technical Specification Bases insert B 3.7.8.1 is also provided in Attachment (1). Please replace the affected inserts in Reference 1 with the attached inserts.

We apologize for any inconvenience.

This supplemental information does not change the No Significant Hazards Determination provided in Reference 1. No regulatory commitments are contained in this letter.

Should you have questions regarding this matter, please contact Mr. Douglas E. Lauver, Regulatory Assurance Manager, at (410) 495-5219.

A00

Document Control Desk June 13, 2014 Page 2 I declare under penalty of perjury that the foregoing is true and correct. Executed on June 13, 2014.

Respectfully, George H. Ge rich Site Vice President Exelon Generation Company, LLC GHG/PSF/bjd

Attachment:

(1) Revised Inserts 3.6.6, 3.7.8 and B 3.7.8.1 cc: CCNPP Project Manager, NRC CCNPP Resident Inspector, NRC Region 1 Administrator, NRC S. Gray, DNR

ATTACHMENT (1)

REVISED INSERTS 3.6.6, 3.7.8 AND B 3.7.8.1 Calvert Cliffs Nuclear Power Plant June 13, 2014

Insert 3.6.6 C. - NOTE - C.1 Verify LCO 3.7.8, 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> Not applicable when "CREVS," is met.

second contai nment spray train AND intentionally made inoperable. C.2 Restore at least one 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> containment spray train to OPERABLE Two containment spray status.

trains inoperable.

Insert 3.7.8 F. -------- NOTE------ F.1 Initiate action to Immediately Not applicable when implement mitigating second CREVS train actions.

intentionally made inoperable. AND F.2 Verify LCO 3.4.15, 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> Two CREVS trains "RCS Specific inoperable in MODE 1, Activity," is met.

2, 3, or 4 for reasons other than AND Condition D.

F.3 Restore at least one 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> CREVS train to OPERABLE status.

Insert B 3.7.8 1 1.1 and 1.2 If the inoperable CREVs or Control Room boundary cannot be restored to OPERABLE status within the associated Completion Time in MODE 1, 2, 3, or 4, the unit must be placed in a mode that minimizes the accident risk. To achieve this status the unit must be placed in at least MODE 3 within six hours and in MODE 5 within 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />. The allowed Completion Times are reasonable, based on operating experience, to reach the required unit conditions from full power conditions in an orderly manner and without challenging unit systems.