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Cryolines | Out through the door, in through the roof
Cooling fluids for the machine's magnets, thermal shield and cryopumps will travel to the Tokamak Building through a set of large multi-process pipes (cryolines [...]
Of six ring-shaped coils required for the ITER Tokamak, poloidal field coil #6 (PF6) is the heaviest (400 tonnes) and the second smallest, with a diameter of 10 [...]
Assembly tools | Strong base for a very heavy task
The first part of the in-pit assembly tool has been installed in the Tokamak pit. When complete, the tool will stand more than 20 metres high and branch out in [...]
Diagnostics | A stowaway on board toroidal field coil #8
Hidden inside the steel case of the most recent toroidal field coil delivered to ITER—TF8, from Japan—is a unique and critical diagnostic device. Named after th [...]
Ever since ITER entered the machine assembly phase, some ten months ago, we have been treated to a few spectacular lifting operations. In May 2020, we watched t [...]
The more construction progresses on the ITER worksite, the more the complexity of the project becomes obvious—and striking.
What was happening in the Tokamak Pit used to be easy to understand: a large hole in the bedrock, support columns and antiseismic pads, steel reinforcement and concrete to create the massive foundations of the ITER Tokamak.
Now—except at the very centre of the Tokamak Complex worksite where the middle crane stands—the foundations are no longer visible and construction has already advanced to the second basement level (B1).
The B1-level slab has been completed for the Diagnostic Building (right), is half completed for the Tokamak Building, and—on the site of the Tritium Building at left—workers are busy laying steel rebar prior to concrete pouring.
Aerial pictures like this one, taken on 11 July, reveal a complex landscape of concrete and steel and show the extraordinary density of embedded plates welded into the rebar.
The simple geometric forms of yesteryear have been replaced by complex structures but the magic remains—the ITER worksite is still a fascinating place.
