South Carolina Electric & Gas Co., main unit of SCANA Corp., and its partners placed on July 23 the 2.4-million pound CA01 module that will house a number of nuclear power components in the first of two new nuclear plants at the V.C. Summer site.
This is the first Westinghouse AP1000 module of its kind to be placed in the U.S., and it is the heaviest lift on the V.C. Summer nuclear construction site. One of the world's largest cranes, a heavy lift derrick that stands about 560-feet tall, was used to lift this massive module.
The CA01 module is a multi-compartment steel structure within the Unit 2 containment vessel. It is about 90 feet long, 95 feet wide, and 80 feet high. Considered a super module because it is too large to transport, CA01 was assembled on the construction site in a 12-story module assembly building.
In addition to this milestone, another was achieved just a few days before for V.C. Summer Unit 2. The first six-panel course of nearly 170 shield building panels was placed on July 17. Weighing 30,000 pounds and spanning 40 feet long, each panel will be welded together.
Concrete will then be poured inside the panels to create the shield building. When complete, this reinforced concrete structure will surround the containment vessel for another layer of safety.
About 3,500 CB&I and Westinghouse personnel and subcontractors are employed on the nuclear construction site in Fairfield County, S.C., where V.C. Summer Unit 1 has operated safely and reliably for more than 30 years and V.C. Summer Units 2 and 3 are being built.
The two 1,117 MW units will add about 800 permanent jobs when operational. Once the two units are complete, SCE&G anticipates its generation mix will be about 30 percent nuclear, 30 percent natural gas, and 30 percent scrubbed coal, with the balance in hydro, solar and biomass.