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Latest ITER Newsline

  • Collaboration | Japan and Europe inaugurate largest tokamak in the world

    It was 6:00 a.m. in La Bergerie, a former sheep barn located a few kilometres from ITER in the vast Château de Cadarache domain that had been converted in 2 [...]

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  • Stakeholders | ITER Director-General meets Prime Minister Kishida

    In Japan, the prime minister lives and works at the Prime Minister's Official Residence in central Tokyo, just a few blocks from the National Diet Building and [...]

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  • Image of the week | Season wrapping

    Although the travel distance is short, barely exceeding one hundred metres, the transfer of vacuum vessel sector #8 from the Assembly Hall, where it is presentl [...]

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  • In memoriam | Bernard Pégourié, physicist and mountaineer

    The worldwide fusion community mourns Bernard Pégourié, of France's Institute for Magnetic Fusion Research (CEA-IRFM), who passed away on 25 November following [...]

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  • COP28 | Fusion is making a splash

    The 28th United Nations Climate Change Conference, COP28, opened on 30 November in Dubai's Expo City—a sprawling conference centre built two years ago for the W [...]

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Of Interest

See archived entries

ITER NEWSLINE -

Eleven pillars of precision

Pillars will be used as fixed reference points to define the global coordinate system for civil engineering works. (Click to view larger version...)
Pillars will be used as fixed reference points to define the global coordinate system for civil engineering works.
Mission completed: one of the eleven survey pillars overlooking the site. (Click to view larger version...)
Mission completed: one of the eleven survey pillars overlooking the site.
To ensure the stability of the pillars, they will be constructed around micro piles with foundations in bedrock at a minimum depth of eight metres. (Click to view larger version...)
To ensure the stability of the pillars, they will be constructed around micro piles with foundations in bedrock at a minimum depth of eight metres.
This week saw the beginning of construction activity for the installation of ITER's primary survey network, overseen by the Machine Assembly and Installation Section.

The primary survey network consists of 11 permanent survey pillars positioned on the periphery of the worksite. These pillars will be used as fixed reference points to define the global coordinate system for civil engineering works, and to provide a stable reference for monitoring purposes. The network will evolve as the project develops and in the future will provide the global data for an enhanced reference system to be installed within the Tokamak Building.

To ensure the stability of the pillars, they will be constructed around micro piles with foundations in bedrock at a minimum depth of 8 metres. This week, ITER's contractor GDV Ingenieurgesellschaft Holst mbH and their sub-contractor VIT Verbau und Injektionstechnik GmbH have been setting out the position of the survey pillars and installing the micro piles. The construction of the pillars themselves will occur in the next few weeks. Following a period of stabilization, the positions of the survey pillars will be precisely measured.

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