The verticality, fragile and thin, emerging in the protostructure, need to be strengthened with some diagonal. This primordial issue needs to make the project stable without altering the project. This require discussions with the ingenieur and research in drawing.
Plan and transversal sections (1:20)
In parallel, structural elements, roof, and diagonals are getting prefabricated at the EPFL. A planning for the five days on the construction site is also done, revealing the real challenge oncoming.