NL-16-0751, Special Report 2016-001-00, Nonfunctional Radiation Monitor R-60B and R-60C

Special Report 2016-001-00, Nonfunctional Radiation Monitor R-60B and R-60C

ML16145A388
Person / Time
Site:	Farley
Issue date:	05/23/2016
From:	Gayheart C Southern Co, Southern Nuclear Operating Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
NL-16-0751 SR 2016-001-00
Download: ML16145A388 (3)

Text

Cheryl A. Gayheart Southern Nuclear V1ce Presrdent - Farley Operating Company, Inc.

Farley Nuclear Plant Post Office Drawer 471)

Ashford AL 36312 Tel334 .814.4511 Fax 334.814.4575 A SOUTHERN COMPANY May23, 2016 Docket Nos.: 50-364 NL-16-0751 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555-0001 Joseph M. Farley Nuclear Plant, Unit 2 Special Reoort 2016-001-00. Nonfunctional Radiation Monitor R-60B and R-60C Ladies and Gentlemen:

In accordance with the requirements of Technical Requirements Manual (TRM) TR 13.3.4, the enclosed Special Report No. 2016-001-00 (Unit 2) Is submitted.

This letter contains no NRC commitments. If you have any questions, please contact John W. McLean IV at (334) 899-5156.

Sincerely, CAG/JWM

Enclosure:

Special Report 2016-001-00 cc: Southern Nuclear Operating Company Mr. S. E. Kuczynski, Chairman, President & CEO Mr. D. G. Bost, Executive Vice President & Chief Nuclear Officer Mr. M. D. Meier, VIce President- Regulatory Affairs Mr. D. R. Madison, Vice President - Fleet Operations Mr. B. J. Adams, Vice President- Engineering Ms. B. L. Taylor, Regulatory Affairs Manager- Farley RTYPE: CFA04.054 U. S. Nuclear Regulatory Commission Ms. C. Haney, Regional Administrator Mr. S. A. Williams, NRR Project Manager - Farley Mr. P. K. Niebaum, Senio~ Resident Inspector - Farley

Joseph M. Farley Nuclear Plant, Unit 2 Special Report 2016-001-00, Nonfunctional Radiation Monitor R-608 and R-60C Enclosure Special Report 2016-001-00

Joseph M. Farley Nuclear Plant, Unit 2 Special Report 201S-001-00, Nonfunctional Radiation Monitor A-SOC Enclosure Special Report 2016-001-00 This Special Report is being submitted due to the Unit 2 radiation monitor R-S08 and A-SOC (Main Steam Relief and Atmospheric Steam Dump Discharge) not being restored to functional status within the time required by Technical Requirements Manual (TAM) TR 13.3.4. The TAM requires that the monitor be restored to functional status within 7 days or submit a Special Report within the following 14 days.

At 0439 on May S, 201S, with Unit 2 In Mode 3, radiation monitor R-S08 and A-SOC were declared nonfunctional due to a failed high indication on the control panel. A mandatory Technical Requirements Manual (TAM) Limiting Condition for Operation (LCO) was written requiring restoration to functional status by May 13, 201S at 0439 hours0.00508 days <br />0.122 hours <br />7.258598e-4 weeks <br />1.670395e-4 months <br /> and work orders (SNC78803S & SNC788035) were generated to repair R-S08 and A-SOC.

Troubleshooting of the failed high indication isolated the problem to the detectors.

Due to the detectors' location on the main steam valve room roof being in close proximity to steam generator safety relief valve exhaust piping, repair of the monitor is a personnel safety concern should any relief valve lift during the repair effort. Therefore, repair of the monitor should be performed only under cold shutdown conditions to ensure personnel safety. Contingency work orders are in place in the event of an unscheduled outage or the next refueling outage. R-S08 and A-SOC are scheduled to be retired in place and replaced with new radiation monitors, In a location that will allow for detector repair at any mode of operation, during the next refueling outage. Compensatory measures have been established and TAM action requirements are being met for radiation monitors R-S08 and A-SOC nonfunctionality.

Cheryl A. Gayheart Southern Nuclear V1ce Presrdent - Farley Operating Company, Inc.

Farley Nuclear Plant Post Office Drawer 471)

Ashford AL 36312 Tel334 .814.4511 Fax 334.814.4575 A SOUTHERN COMPANY May23, 2016 Docket Nos.: 50-364 NL-16-0751 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555-0001 Joseph M. Farley Nuclear Plant, Unit 2 Special Reoort 2016-001-00. Nonfunctional Radiation Monitor R-60B and R-60C Ladies and Gentlemen:

In accordance with the requirements of Technical Requirements Manual (TRM) TR 13.3.4, the enclosed Special Report No. 2016-001-00 (Unit 2) Is submitted.

This letter contains no NRC commitments. If you have any questions, please contact John W. McLean IV at (334) 899-5156.

Sincerely, CAG/JWM

Enclosure:

Special Report 2016-001-00 cc: Southern Nuclear Operating Company Mr. S. E. Kuczynski, Chairman, President & CEO Mr. D. G. Bost, Executive Vice President & Chief Nuclear Officer Mr. M. D. Meier, VIce President- Regulatory Affairs Mr. D. R. Madison, Vice President - Fleet Operations Mr. B. J. Adams, Vice President- Engineering Ms. B. L. Taylor, Regulatory Affairs Manager- Farley RTYPE: CFA04.054 U. S. Nuclear Regulatory Commission Ms. C. Haney, Regional Administrator Mr. S. A. Williams, NRR Project Manager - Farley Mr. P. K. Niebaum, Senio~ Resident Inspector - Farley

Joseph M. Farley Nuclear Plant, Unit 2 Special Report 2016-001-00, Nonfunctional Radiation Monitor R-608 and R-60C Enclosure Special Report 2016-001-00

Joseph M. Farley Nuclear Plant, Unit 2 Special Report 201S-001-00, Nonfunctional Radiation Monitor A-SOC Enclosure Special Report 2016-001-00 This Special Report is being submitted due to the Unit 2 radiation monitor R-S08 and A-SOC (Main Steam Relief and Atmospheric Steam Dump Discharge) not being restored to functional status within the time required by Technical Requirements Manual (TAM) TR 13.3.4. The TAM requires that the monitor be restored to functional status within 7 days or submit a Special Report within the following 14 days.

At 0439 on May S, 201S, with Unit 2 In Mode 3, radiation monitor R-S08 and A-SOC were declared nonfunctional due to a failed high indication on the control panel. A mandatory Technical Requirements Manual (TAM) Limiting Condition for Operation (LCO) was written requiring restoration to functional status by May 13, 201S at 0439 hours0.00508 days <br />0.122 hours <br />7.258598e-4 weeks <br />1.670395e-4 months <br /> and work orders (SNC78803S & SNC788035) were generated to repair R-S08 and A-SOC.

Troubleshooting of the failed high indication isolated the problem to the detectors.

Due to the detectors' location on the main steam valve room roof being in close proximity to steam generator safety relief valve exhaust piping, repair of the monitor is a personnel safety concern should any relief valve lift during the repair effort. Therefore, repair of the monitor should be performed only under cold shutdown conditions to ensure personnel safety. Contingency work orders are in place in the event of an unscheduled outage or the next refueling outage. R-S08 and A-SOC are scheduled to be retired in place and replaced with new radiation monitors, In a location that will allow for detector repair at any mode of operation, during the next refueling outage. Compensatory measures have been established and TAM action requirements are being met for radiation monitors R-S08 and A-SOC nonfunctionality.