ML051530127
| ML051530127 | |
| Person / Time | |
|---|---|
| Site: | Quad Cities  |
| Issue date: | 05/25/2005 |
| From: | - No Known Affiliation |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML051530127 (18) | |
Text
1 Overview of Quad Cities Overview of Quad Cities Improvement Efforts Improvement Efforts Tim Tulon Tim Tulon Site Vice President Site Vice President
2 Recent Quad Cities Focus Areas Recent Quad Cities Focus Areas Successful radiological source Successful radiological source--term term reduction reduction Successful installation of new steam Successful installation of new steam dryer in Unit 2 dryer in Unit 2 Completion of significant upgrades on Completion of significant upgrades on Quad Unit 1 during recent refuel Quad Unit 1 during recent refuel outage outage
3 Source Term Source Term Reduction Reduction
4 Major Radiological Major Radiological Source Source--Term Actions Term Actions Reactor recirculation piping chemical Reactor recirculation piping chemical decontamination decontamination Replace turbine buckets (cobalt source)
Replace turbine buckets (cobalt source)
Install permanent drywell shielding Install permanent drywell shielding
-- Actions completed:
Actions completed:
>>>> Unit 1 Unit 1 March 2005 March 2005
>>>> Unit 2 Unit 2 March 2004 March 2004
5 LP Turbine L LP Turbine L--0 Bucket Replacement 0 Bucket Replacement
6 Source Term Reduction Results Source Term Reduction Results Drywell radiation benchmarks reduced by 40%
Drywell radiation benchmarks reduced by 40%
Expect similar results on Unit 1 Expect similar results on Unit 1 Expect continuing decrease in radiation Expect continuing decrease in radiation exposure to our workers in the future exposure to our workers in the future
7 Steam Dryer Steam Dryer
8 Unit 2 Dryer Installation Unit 2 Dryer Installation
-- New GE design, most technically New GE design, most technically analyzed nuclear plant dryer in world analyzed nuclear plant dryer in world
-- First new steam dryer to be installed First new steam dryer to be installed in the United States in the United States
-- Fully instrumented to provide load Fully instrumented to provide load and vibration data during power and vibration data during power ascension testing ascension testing
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10 The New Unit 2 Steam Dryer The New Unit 2 Steam Dryer
11 Steam Dryer Instrumentation Steam Dryer Instrumentation
12 Installing Steam Dryer Installing Steam Dryer
13 Upgrade Overview Upgrade Overview
14 Unit 1 Upgrade Overview Unit 1 Upgrade Overview
-- Replaced the main power transformer Replaced the main power transformer
-- Switchyard upgrades Switchyard upgrades
-- Installed digital recirculation control Installed digital recirculation control system system
15 New Transformer New Transformer
16 Switchyard Switchyard GCBs GCBs
17 Digital Recirc Operator Display Digital Recirc Operator Display
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