K.2 vogtle units 3 and 4 nuclear development early site construction progression
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Transcript of K.2 vogtle units 3 and 4 nuclear development early site construction progression
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Vogtle Units 3 & 4 Nuclear DevelopmentEarly Site Construction Progression
Mike Jordan
New Nuclear Projects-Engineering/Construction
May 1, 2013
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Vogtle Plant – Units 3 & 4
FAST FACTS• Two Nuclear Generating Units
• Capacity – 1117 MW Per Unit
• Operator – Southern Nuclear
• Technology - Westinghouse AP1000
• Constructor – CBI (formerly Shaw)
• Located in Burke County Near
Waynesboro, Ga.
• Size – Approximately 1800 Acres
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Vogtle 3 & 4 Timeline
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Vogtle 3 & 4 – Initial Site WorkJULY 2009
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Vogtle 3 & 4 Site Layout
•Lay down & Storage area
Modular Assembly Building
•Containment Vessel FAB Area
•Units 3 & 4 Nuclear Islands
•Cooling Towers Foundations
•Fabrication & Laydown Area
•Parking & Offices
•Units 1 & 2
January 2013
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Initial Construction Activities
• Clearing, grubbing, excavation, backfill, grading, and dewatering
• Install temporary and permanent access roads and drainage features
• Install temporary facilities – office trailers, change shacks, underground electrical, water, fiber, laydown areas, and concrete batch plant
• Set up site security – guard houses, fences, access gates, badging facilities, etc.
• Build warehouses, offices, and Training/Simulator Building
• Relocate 500 kv transmission line interferences
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Plant Area Earthwork Progress
October 2009
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Plant Area Earthwork Progress
October 2009
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Plant Area Earthwork Progress January 2010
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Plant Area Earthwork Progress
March 2010
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Plant Area Earthwork Progress
March 2010
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Plant Area Earthwork Progress
December 2010
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Early Plant Major Construction Activities
• Complete Mechanically Stabilized Earth (MSE) wall, mud
mat, and concrete basemat for the Nuclear Island
• Install 10 ft diameter Circulating Water Piping
• Install Turbine Building foundations
• Erect 13 story Modular Assembly Building
• Install foundations for and erect 1M Ton O Crane
• Fabricate 140 ft diameter Containment Vessel bottom head
• Install foundations for 560 ft tall Cooling Towers
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Plant Area Progress
March 2011
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Plant Area Progress
March 2011
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Plant Area Progress
March 2011
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Key Components/Facilities Progress
July 2011
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July 2011Key Components/Facilities Progress
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Key Components/Facilities Progress
July 2011
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Aerial Photo - Plant Area
August 2011
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January 2012
Key Components Progress
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January 2012Key Components Progress
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Key Components Progress
January 2012
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Key Components Progress July 2012
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Key Components Progress
July 2012
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Key Components Progress
July 2012
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Key Components Progress January 2013
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Key Components Progress January 2013
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Key Components Progress January 2013
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1ST Nuclear Concrete
• Nuclear Island Basemat is the foundation for the Reactor Containment Building and the Reactor Auxiliary Building and is the first safety related concrete placement
• Nuclear Island Basemat is six (6) foot thick and contains over 6800 cubic yards of concrete
• This placement of concrete was rehearsed during a 1/6 size “mock-up” in September 2012 to ensure a successful continuous pour
• The actual placement was delayed several months due to rebar discrepancies in the design and final resolution with the NRC
• In March 2013 the full size Nuclear Island Basemat was placed successfully in approximately 51 hours
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1st Nuclear Concrete Major Milestone
Unit 3 Nuclear Island Basemat Placement March 2013
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Some of the Facts
• Over 22 million cubic yards of earth were moved during excavation and backfill while preparing the site for construction
• The Nuclear Island area was excavated to a depth of approximately 80 ft to remove unsuitable marl material and replaced with Class I backfill
• The 70,000 square foot Simulator/Training Center took 1 year to complete and currently houses all operator training activities
• The 13 story Modular Assembly Building is over 300 ft long and is where structural modules are assembled and loaded on heavy haul transporters for moving to the appropriate plant location
• There are 23,000 tons of steel, 16M feet of cable, and 546,00 ft of piping associated with the two units
• There are currently over 2200 workers on site and the peak workforce will be around 5000
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Vogtle 3 & 4 Site Layout
•Lay down & Storage area
Modular Assembly Building
•Containment Vessel FAB Area
•Units 3 & 4 Nuclear Islands
•Cooling Towers Foundations
•Fabrication & Laydown Area
•Parking & Offices
•Units 1 & 2
January 2013
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Any Questions
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