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  • Cryolines | Another day, another spool

    Having wedged his body and equipment into the cramped space between the ceiling and the massive pipe, a worker is busy welding two cryolines spools. A few metre [...]

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  • Image of the week | Bearings unveiled

    The construction teams are in the last stages of preparing the Tokamak pit for the first major operation of ITER machine assembly: the lowering of the cryostat [...]

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  • Technology | Perfecting tritium breeding for DEMO and beyond

    While ITER will never breed tritium for its own consumption, it will test breeding blanket concepts—the tools and techniques that designers of future DEMO react [...]

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  • Fusion world | Japan and Europe complete the assembly of JT-60SA

    The JT-60SA fusion experiment in Naka, Japan, is designed to explore advanced plasma physics in support of the operation of ITER and next-phase devices. After s [...]

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  • Manufacturing | Thermal shield milestone in Korea

    Six years after the start of fabrication, Korean contractor SFA has completed the last 40° sector of vacuum vessel thermal shield. The stainless steel panels, c [...]

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Of Interest

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Space age feeling in the PF Coils building

Robert Arnoux

The huge PF Coils workshop won't remain empty very long. As early as this summer, the installation will be fitted out with the necessary tools and equipment in order to begin the fabrication of ITER largest coils. (Click to view larger version...)
The huge PF Coils workshop won't remain empty very long. As early as this summer, the installation will be fitted out with the necessary tools and equipment in order to begin the fabrication of ITER largest coils.
Dwarfed by the giant circular spreader beam suspended over their heads, they looked like passengers in a spaceport waiting to board a ship bound for some distant planet.

No journey to Mars or to the moons of Jupiter was planned for this day, however. Under the vast ceiling of the recently completed Poloidal Field Coils Winding Facility on Tuesday 14 February, the sense of imminent departure was rather for a small ceremony involving personnel from the French construction consortium Spie Batignolles, Omega Concept and Setec; the engineering company Energhia; the European Domestic Agency Fusion for Energy; and the ITER Organization.

The winding facility, where the largest ITER coils will be assembled beginning next year, was changing hands. Having completed the building within schedule and within budget, the construction consortium was handing it over to Fusion for Energy who will now contract with the coil manufacturer.

Director of Fusion for Energy Frank Briscoe had come especially from Barcelona for the ceremony. "This building," he said in his informal address, "is the first ITER building to be completed. And for us, it will always remain the first..."

For Osamu Motojima, Director-General of the ITER Organization, the bright yellow spreader beam, with its brackets radiating like golden rays, was a potent symbol of what ITER is about—harnessing the fusion fire that burns inside the Sun and stars.

The bright yellow spreader beam, with its brackets radiating like golden rays, was a potent symbol of what ITER is about—harnessing the fusion fire that burns inside the Sun and stars. (Click to view larger version...)
The bright yellow spreader beam, with its brackets radiating like golden rays, was a potent symbol of what ITER is about—harnessing the fusion fire that burns inside the Sun and stars.
Except for the small crowd, one table, a couple of posters, two bridge cranes and the 40-tonne spreader beam, the huge workshop was perfectly empty. One could imagine—a year or so from now—the bridge cranes slowly and silently moving along their rails to lift and manoeuvre charges of up to one hundred tons in a mechanical ballet combining exceptional size and extreme precision.

The curtain will be lifted in 2013 on this spectacular scene after the first conductor spools of niobium-titanium conductor—the raw material for the magnetic coils—are delivered to the ITER site. The delicate process of winding, impregnating with epoxy resin and assembling the giant magnetic rings of ITER should take about six years.

In the meantime, and as early as this summer, the installation will be fitted out with the necessary tools and equipment. The huge workshop won't remain empty very long ...


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