Restructuring of an asset to bring it into compliance with a new operating order. Removal and evacuation of non-compliant equipment, structural reinforcement and fire stabilisation; Cutting out the cells by building 2H fire walls; Compliance with smoke extraction; Creation of a gas boiler room and installation of hot water unit heaters; Fireproof flocking on the roof, on the framework; Electrical upgrading; Earthworks on the basin, resumption of cast iron, TPC and PE networks