RBG-47710, Report of Changes and Errors
| ML16260A400 | |
| Person / Time | |
|---|---|
| Site: | River Bend  |
| Issue date: | 09/12/2016 |
| From: | Schenk T Entergy Operations |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| RBG-47710 | |
| Download: ML16260A400 (3) | |
Text
Entergy Operations, Inc.
River Bend Station
~Entergy 5485 U.S. Highway 61 N St. Francisville, LA 70775 Tel 225-381-4177 September 12, 2016 RBG-47710 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555
Subject:
River Bend Station - Unit 1 Docket No. 50~458 License No. NPF-47 Report of Changes and Errors to 1 OCFR50.46 Timothy A. Schenk Manager, Regulatory Assurance
Reference:
Letter RBG-47610, "Report of Changes and Errors to 10 CFR 50.46,"
dated August 31, 2015
Dear Sir or Madam:
There has been no notice of changes or errors associated with the RBS ECGS analysis since the last 10 CFR 50.46 report provided to the NRC [Reference 1]. The table below summarizes the effects on the current ECCS analysis performed by General Electric -
Hitachi Nuclear Energy (GEH) using* their NRC approved SAFER/GESTR - LOCA methodology. 1 o CFR 50.46 error notifications up to and including NL-2014-04 have been incorporated.
GNF3 remains the limiting fuel type with a PCT of 1830°F., The PCT for the GNF3 fuel remains below the 2200°F acceptance criteria of 1 O CFR 50.46.
RBG-47710 Page 2 of 3 Notification Letter Previous Periods J'
Nature Of Change I Error NL-2014-04 SAFER04A E4 - Bundle I Lower Plenum CCFL Head NL-2014-03 SAFER04A E4 - Minimum Core DP Model NL-2014-02 SAFER04A E4 - Mass Non-Conservatism NL-2014-01 SAFER04A E4 - Maintenance Update Changes NL-2012-01 PRIME Fuel Properties Implementation for Fuel Rod T/M Performance, re lacin GESTR Fuel Pro erties NL-2011-03 Impact of updated formulation for gamma heat deposition to channel wall for 9x9 and 1 Ox1 O fuel bundles NL-2011-02 Impact of database error for heat deposition on the Peak Cladding Temperature (PCT) for 10x10 fuel bundles Net of errors I changes Sum of absolute magnitude of changes I errors This letter does not contain any commitments.
. For further information, please contact me at (225) 381-4177.
TAS/bmb cc: U. S. Nuclear 'Regulatory Commission Region IV 1600 East Lamar Blvd.
Arlington, TX 760~ 1-4511 NRC Senior Resident Inspector P. 0. Box 1050 St. Francisville, LA 70775 Estimated PCT Effect GNF2 0
0
-15
-15 0
0 0
0 45 45
-40
-40 25 25 15 15 125 125
RBG-47710 Page 3 of 3 U. S. Nuclear Regulatory Commission Attn: Mr. James S. Kim MS 8 B1A One White Flint North 11555 Rockville Pike Rockville, MD 20852 Department of Environmental Quality Office of Environmental Compliance Radiological Emergency Planning and Response Section Ji Young Wiley P.O. Box 4312 Baton Rouge, LA 70821-4312 Public Utility Commission of Texas Attn: PUC Filing Clerk 1701 N. Congress Avenue P. 0. Box 13326 Austin, TX 78711-3326 RBF1-16-0103