Plant Vogtle Units 3 & 4: DSI supplies DYWIDAG Form Ties for new Reactors

In February 2012, Plant Vogtle in Waynesboro, Georgia, USA, was approved for the construction of two new nuclear reactor blocks: Units 3 and 4. This is the first time new reactors have been approved in the USA since 1978. Units 3 and 4 are an addition to the original Units 1 and 2 that were built in the 1980s. Units 3 and 4 are set to be operational in 2019 and 2020 respectively. Once completed, Plant Vogtle will supply approximately 1 million households and companies with energy and create 800 new jobs.

The two new reactors will have an output of approximately 1,117MW each. The construction of the two units includes the cooling towers, nuclear islands, turbine islands, and other concrete framed buildings.

For the construction of the reinforced concrete structures, DSI Construction USA supplied DYWIDAG Form Ties and other Concrete Accessories. This included anchor bars consisting of 15, 20 and 26mm Ø DYWIDAG THREADBAR®, shebolts, steel setting cones, couplers, hex nuts, wobble anchors, welded angle brackets and many other Concrete Accessories.

A concrete volume of approximately 382,277m³ (500,000yd³) is needed for the two new reactors. The 15 and 20mm Ø DYWIDAG THREADBAR® supplied by DSI alone had a total length of over 3,000m (9,842.5ft), and construction is still underway.

Owner

Southern Nuclear Operating Company, USA

General Contractor

Westinghouse Electric Co. LLC, USA

Subcontractor

HSG Constructors, USA


DSI Unit

DYWIDAG-Systems International USA Inc., Concrete Accessories, USA

DSI Scope

Production, supply

DYWIDAG Products

15, 20 and 26mm Ø DYWIDAG THREADBAR®, shebolts, steel setting cones, couplers, hex nuts, wobble anchors, welded angle brackets

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