NG-11-0289, 10 CFR 50.46 30-Day Special Report of Changes in Peak Cladding Temperature for the Duane Arnold Energy Center
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| ML112301480 | |
| Person / Time | |
|---|---|
| Site: | Duane Arnold  |
| Issue date: | 08/18/2011 |
| From: | Wells P NextEra Energy Duane Arnold |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| NG-11-0289 | |
| Download: ML112301480 (3) | |
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Text
U.S. Nuclear Regulatory Commission NG-11-0289 August 18, 2011 Enclosure
Enclosure to NG-11-0289 August 18, 2011 10 CFR 50.46 30-Day Report for the DAEC Peak Cladding Temperature(1) Last Acceptable Model Results(2): 1510°F Previously Reported Errors and Changes: 2001 - 2010:+ 65°F New Errors and Changes:
- 1. Impact of over/under prediction of energy deposited in the channel/fuel from gamma radiation
+ 45 °F 2. Impact of minimizing the contribution of heat from gamma absorption by
the channel
+ 5 °F Analysis of Record Results: 1625 °F (1) Licensing Basis PCT (LBPCT), as de fined in NEDE-23785-1-P-A, "The GESTR-LOCA and SAFER Models for the Evaluation of the Loss-of-Coolant Accident:
Volume III - SAFER/GESTR Application Methodology," February 1985.
(2) General Electric Report, "Safety Analysis Report for Duane Arnold Energy Center Extended Power Uprate," NEDC-32980P, Revision 1, April 2001.