Retrofit des cellules 6.4 Kv de joule par de nouvelles cellules 24 kv sans sf6

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This call for tenders concerns the complete renewal of the medium-voltage installation (6.4 kV) of the Joule substation, located at Chemin du Bochet 5, 1024 Ecublens, and the supply of 32 new MV bays designed using an SF6-free technology. The project forms part of SIE SA’s distribution network modernisation strategy and constitutes a major step in the progressive migration of the distribution network from 6.4 kV to 21 kV. The project includes, in particular: * Dismantling, recycling and removal/disposal of the existing MV bays and equipment; * Demolition and removal/disposal of the existing niches; * Removal/disposal of a nitrogen cylinder present in the substation; * Elimination of 2 oil drums (416 l in total); * Complete replacement of the existing medium-voltage bays; * Renewal of the AC and DC auxiliary services and of the batteries, as well as full improvement of the CVSE installations; * Renewal of the control-command, protection and communication equipment; * Integration of the existing preserved equipment; * The necessary civil engineering works; * Adaptations to the existing MV cable connections (optional); * Transport and installation/assembly of all…

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