ML051530127

Public Meeting Licensee Slides Quad Cities End-of-Cycle Plant Performance Assessment

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

Overview of Quad Cities Improvement Efforts Tim Tulon Site Vice President 1

Recent Quad Cities Focus Areas Successful radiological source-term reduction Successful installation of new steam dryer in Unit 2 Completion of significant upgrades on Quad Unit 1 during recent refuel outage 2

Source Term Reduction 3

Major Radiological Source-Term Actions Reactor recirculation piping chemical decontamination Replace turbine buckets (cobalt source)

Install permanent drywell shielding

- Actions completed:

>> Unit 1 March 2005

>> Unit 2 March 2004 4

LP Turbine L-0 Bucket Replacement 5

Source Term Reduction Results Drywell radiation benchmarks reduced by 40%

Expect similar results on Unit 1 Expect continuing decrease in radiation exposure to our workers in the future 6

Steam Dryer 7

Unit 2 Dryer Installation

- New GE design, most technically analyzed nuclear plant dryer in world

- First new steam dryer to be installed in the United States

- Fully instrumented to provide load and vibration data during power ascension testing 8

9 The New Unit 2 Steam Dryer 10

11 Installing Steam Dryer 12

Upgrade Overview 13

Unit 1 Upgrade Overview

- Replaced the main power transformer

- Switchyard upgrades

- Installed digital recirculation control system 14

New Transformer 15

16 Digital Recirc Operator Display 17

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