 There was a partial renovation of the electrical installations in 1969; re-touches of the plaster, filling of cracks and repair of joints, as well as the installation of a sound system.In 1970, the skylight was repaired; improvements made to the electrical system were made in order to install a projector; reconstruction of the wood structures and stuccoing of the ceilings; construction of hydraulic rigging and screed in the pavement; painting of the walls with water-based paints.There was a proposal by the LNEC and IJF to study the area in order to treat the deteriorating stoneworks at the end of the 1970s.