IRPI conceives and studies any architectural ensemble or any specific structure. The calculations and the projects are conceived by our engineers, and they can accompany the architect or the project owner up to the final realization of the project.

They participated to the development of big projects as :

• Gear wheels of London and Peking : studies and calculations of the structure and the capsules
• Flat form for helicopter transport for the private hospital of Manosque: studies and calculation
• Metallic skeletons for the film complex of Voiron: studies and calculation
• Skeletons of 700 ton for industrial buildings for a new factory