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| Issue date | From | Title | Project stage | |
|---|---|---|---|---|
| 05000369/LER-1984-029, Forwards LER 84-029-00 Re High Concentration of Nitrogen in Upper Head Injection (Uhi).Rept Re Improperly Installed Uhi Level Instrumentation Scheduled to Be Submitted by 841207 | 29 November 1984 | Duke Energy Tucker H | Forwards LER 84-029-00 Re High Concentration of Nitrogen in Upper Head Injection (Uhi).Rept Re Improperly Installed Uhi Level Instrumentation Scheduled to Be Submitted by 841207 | Other |
| 05000369/LER-1984-030, Suppl to LER 84-030:review Revealed Installation Error That Would Result in Failure of Upper Head Injection Accumulator Discharge Valves to Isolate on Low Level.Analysis of Safety Significance & Encl | 19 December 1984 | Duke Energy Tucker H | Suppl to LER 84-030:review Revealed Installation Error That Would Result in Failure of Upper Head Injection Accumulator Discharge Valves to Isolate on Low Level.Analysis of Safety Significance & Encl | Other |
| ML20112G107 | 20 December 1984 | Duke Energy Tucker H | Forwards Evaluations of Complete Draindown of Upper Head Injection Sys Water Accumulator & Poor Performance of Kerotest Valves for Compliance W/Tech Spec 4.5.1.2c.Channel Calibr Overlapping Surveillance Satisfies Tech Specs | Other |
| ML20126M295 | 24 July 1985 | Novak T Office of Nuclear Reactor Regulation | Advises That Addl Info Needed for Plants W/Upper Head Injection (Uhi) Sys to Assess Likelihood of Loss of Uhi auto-isolation Capability.Info Re Demand & Failure Frequencies of Isolation Function Requested within 30 Days | Other |
| ML20136D330 | 23 December 1985 | Duke Energy Tucker H | Forwards Response to NRC 851104 Request for Addl Info Re Radiological Aspects of upper-head Injection Removal & Radiological Impacts on Plant Operations.Final Decision Re Disposal Method Expected by Late Jan 1986 | Request |
| ML20140A539 | 17 March 1986 | Duke Energy Tucker H | Provides Addl Info Re License Amend Request Concerning upper-head Injection Sys.Bash Large Break LOCA Analyses Replaced w/NRC-approved Bart Analyses.Info from Listed Submittals Still Valid Unless Noted | Other |
| NRC-86-3112, Forwards Results of Bart Evaluation Model Large Break LOCA 10CFR50.46 Analysis,Demonstrating Acceptability of upper-head Injection Removal in Support of License Amend. Info Re Sys Behavior W/ & W/O upper-head Injection Encl | 18 March 1986 | GENERAL ELECTRIC CO. Rahe E | Forwards Results of Bart Evaluation Model Large Break LOCA 10CFR50.46 Analysis,Demonstrating Acceptability of upper-head Injection Removal in Support of License Amend. Info Re Sys Behavior W/ & W/O upper-head Injection Encl | Other |
| ML20202E874 | 8 April 1986 | Duke Energy Tucker H | Forwards Addl Info Re Radwaste Expected to Be Generated During upper-head Injection Removal,Per NRC 860407 Telcon | Other |
| ML20203C637 | 17 April 1986 | Duke Energy Tucker H | Responds to 860416 Request for Addl Info Re Planned Elimination of Upper Head Injection Sys.Containment Penetration Capping Will Be Performed Per Applicable Codes & Stds & Design Requirements | Request |