EDF, owner of all nuclear power plants in France, initiated the Extrados project to improve leak-tightness on concrete enclosures that are subject to pressure in several of its nuclear power plants.

To provide an alternative solution to existing systems in the market, GDES undertook an innovation project to design a new coating system for the leak-tightness of double-walled containment structures in the reactor building (SIKAWRAP 230C SYSTEM).

SIKAWRAP 230C was designed to be applied to the external face of the internal containment structure (Extrados) and to improve leak-tightness, resistance to backpressure, and good adhesion to concrete walls. This system, developed and approved by GDES, benefits from an exclusive agreement for application on all nuclear power plants owned by EDF.

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The José Cabrera nuclear power plant, better known as “Zorita” will enter the final stage of decommissioning once radiological dismantling and building decontamination have been completed.

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GDES return to another Annual Meeting of the Spanish Nuclear Society

Under the slogan “Essential for climate change”, the 45th SNE (Spanish Nuclear Society) Annual Meeting was held in Vigo. This is a meeting point for professionals and companies in the sector, not only to discuss current issues for the nuclear industry, but also to present papers, talks and projects of a highly technical nature. It attracted over 600 professionals and up to 280 technical papers grouped under ‘engineering and innovation’, ‘quality and regulation’, fusion, operation, waste management, decommissioning, radiological protection, ‘structural design and behaviour’, ‘advanced 3D simulation’, nuclear medicine, training and communication, among others.

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• GDES Surface Treatment Business Unit has been awarded the contract for the application of coatings on the Tokamak building, the main building that will house the ITER device.

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GDES Revanti has been awarded the contract for painting and maintenance coating services at the Cofrentes Nuclear Power Plant from June 2019 to October 2021, including refuelling outage 22. In addition to this achievement it has also renewed its paint maintenance service contract at the two units of the Almaraz Nuclear Power Plant for the next 3 years. This contract covers the period from July 2019 to July 2022 and will mean the uninterrupted continuity of GDES paint and coating services since we participated in the construction of the Almaraz Nuclear Power Plant in 1975.

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