Tuesday, March 11, 2014

Certainty/ Uncertainty Gaming At HB Robinson: Leaking SG.

HARTSVILLE S.C. -- The H.B. Robinson nuclear plant near Hartsville is one of 38 reactors across the U.S. identified in a recent review as being at risk of early retirement.A new analysis by Mark Cooper, senior fellow for economic analysis with the Institute for Energy and the Environment at Vermont Law School, concludes that the tough times facing the nuclear power industry in the U.S. are going to get tougher.

I mean if Nuke plant science and engineering is so good at predicting risk and the future…why wasn’t this repaired before it leaked.

 
PRELIMINARY NOTIFICATION - PNO-II-14-004

This preliminary notification constitutes EARLY notice of events of possible safety or public interest significance. Some of the information may not yet be fully verified or evaluated by the Region II staff (Atlanta, GA).

Facility: Licensee Emergency Classification:

Plant H.B. Robinson

□ Notification of Unusual Event

SUBJECT: ROBINSON UNIT 2 SHUTDOWN DUE TO STEAM GENERATOR TUBE LEAK

On March 7, 2014, at 7:00 p.m. (EST), the licensee commenced a shutdown from 100% power due to a Steam Generator tube leak on the ‘C’ Steam Generator. The NRC resident inspectors monitored and observed the shutdown.

The licensee had noted indications of a Steam Generator tube leak on the ‘C’ Steam Generator of approximately 1 gallon per day (gpd) on February 27, 2014. The Technical Specification limit is 75 gpd. The licensee closely monitored the Steam Generator tube leakage, including enhanced sampling.

In parallel with the monitoring activities, the licensee planned a maintenance outage for steam generator inspection and repairs due to the gradual increasing leakage. On March 7, 2014, the Steam Generator ‘C’ tube leakage had reached appropriately 37.5 gpd.

This preliminary notification is issued for information only. The resident inspectors will continue to monitor the licensee’s actions and inspectors from the NRC Region II Office will assist in onsite inspection activities.

Region II received initial notification of this occurrence through the resident inspectors who had been monitoring licensee actions. The information presented herein has
been discussed with the licensee and is current as of 1:00 p.m. March 10, 2014.



LICENSE AMENDMENT REQUEST FOR REVISION TO STEAM GENERATON
PROGRAM INSPECTION FREQUENCIES AND TUBE SAMPLE SELECTION AND

APPLICATION OF PERMANENT ALTERNATE REPAIR CRITERIA (H*)

This request proposes to combine two changes that affect the same Technical Specification (TS) sections into one License Amendment. Specifically, the first part proposes to implement revisions consistent with TSTF-5 10, Revision 2, "Revision to Steam Generator Program Inspection Frequencies and Tube Sample Selection." The second part proposes to permanently revise TS 5.5.9 to exclude portions of the Steam Generator (SG) tube below the top of the SG tubesheet from periodic inspections by implementing the permanent alternate repair criteria "H*." Both of these changes address SG inspections and reports and are combined to minimize redundant reviews.

 


SUMMARY OF CONFERENCE CALL WITH H. B. ROBINSON STEAM ELECTRIC PLANT, UNIT 2

REGARDING THE FALL 2013 STEAM GENERATOR


 
TUBE INSPECTION RESULTS

DUKE ENERGY PROGRESS, INC.

DOCKET NO. 50-261

On October 22, 2013, the U.S. Nuclear Regulatory Commission (NRC) staff participated in a conference call with Duke Energy Progress, Inc. (the licensee) representatives regarding the
fall2013 refueling outage steam generator (SG) tube inservice inspection activities at H. B. Robinson Steam Electric Plant, Unit 2 (Robinson 2).


Under enormous economic pressures:

Posted: Tuesday, July 23, 2013 11:35 am | Updated: 2:19 pm, Tue Jul 23, 2013.


HARTSVILLE S.C. -- The H.B. Robinson nuclear plant near Hartsville is one of 38 reactors across the U.S. identified in a recent review as being at risk of early retirement.A new analysis by Mark Cooper, senior fellow for economic analysis with the Institute for Energy and the Environment at Vermont Law School, concludes that the tough times facing the nuclear power industry in the U.S. are going to get tougher.































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