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Westinghouse AP1000™ Nuclear Plant Program

Engineering and design services for Westinghouse AP1000™ pressurized water reactor

Westinghouse Electric Company

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USA and China

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2010-2012

Site-specific design enhancements for future AP1000™ PWR units.

Services for the first US units and Chinese units.

Designs reviewed for safety, operability and maintainability.

Challenges

  • The Westinghouse AP1000™ pressurized water reactor is an advanced 1100-MWe nuclear power plant. It is a modular design that uses 50% fewer valves, 35% fewer safety grade pumps, and 80% less piping than previous nuclear plants. It also features a passive safety design.
  • Six utilities have chosen the AP1000™ PWR for use in seven combined construction and operating license (COL) applications to the US Nuclear Regulatory Commission (NRC) for a total of 14 AP1000™ units, including six for which engineering, procurement and construction contracts have been signed.
  • Additionally, four units are under construction at two sites in China, with the first unit to come online in 2013.

Solutions

  • Retained to provide engineering and design services to assist in the development of construction drawings for the containment and auxiliary buildings.
  • Supported Westinghouse’s structural, piping, layout, mechanical modules, and structural modules groups for a 17-month period, which began in January 2010.
  • Provided a team of engineers to perform finite element analyses of key structural floor and modules.

Highlights

  • Services included 3D PDS modeling and 2D CAD services.
  • Designs reviewed for safety, operability and maintainability, even with no direct site involvement.
  • Staff assigned in Westinghouse’s office and Hatch’s Pittsburgh office.

Project Numbers

$14 billion per site, estimated capital cost

Related Services & Technologies

Nuclear Power


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