It is with the Société Centrale pour l'Equipement du Territoire (SCET), leader of the consortium, that IGREC INGENIERIE contributes as a subcontractor, responsible for all aspects of building enginnering on this ACA mission. The aim is to produce the pecific programmes of the 10 stations on line 15 East, to ensure their development at each stage of the project, and the validate the fit between of the programme and the project.