During the 22nd refuelling outage at Cofrentes Nuclear Power Plant, GDES Innovation implemented its innovative technological solution, VIGIA, a hardware and software system to control and monitor materials in FME (Foreign Material Exclusion) zones using RFID (Radio Frequency Identification) wireless technology.

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Cofrentes Nuclear Power Plant, in Valencia, completed its 22nd refuelling outage on 5 December. The 34-day period has enabled “ongoing modernisation” of the plant, and was conducted under “normal” conditions, according to Iberdrola.

During the refuelling outage, 252 fuel elements were replaced, and 11,000 tasks completed. Among the many support and maintenance services provided by GDES, two that are new to the plant stand out:

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GDES Wind has been asked to prepare a wind turbine blade donated by Acciona to mark the COP25 Climate Summit.

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The project, carried out during October 2019, was commissioned by EDF as a solution to the erosion and corrosion of drain nozzles in two MSRs at the Belleville Nuclear Power Plant (France).

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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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