The company ETI is a research and development office with 20 employees, located in Grenoble in France. It is specialized in engineering and works with metallic and wood structures ans boilers. The aim of our engineering department is to bring together human and technical skills from different backgrounds and fields of activity to offer a global service to engineering, architects, builders or other consulting firms. Act as a structural design office in the design of simple or complex architectural or industrial works; This goal, we have been serving it on a daily basis for nearly 30 years now. Optimization of building structures is the true meaning of our business. To maintain the strength and reliability of the structures without affecting the aesthetics or the economic aspect; While minimizing risk taking. There are different missions carried out by the consulting firm ETI: - structural studies of all materials: steel, wood, concrete, boiler making, cables, tie rods - building and civil engineering structural studies - feasibility studies - design and design - technical assistance to the contracting authority - design and execution management for the structural part - execution studies - technical audits and diagnostics - advice - technical expertise, mission of sapiteur - rehabilitation of buildings. We are able to intervene in a BIM collaborative workflow and to create and fully inform the digital mock-up for the structural lot entrusted to us. We take part in the design, execution and DOE phase, where we integrate the necessary data at the various levels of detail (LOD) requested, in compliance with the BIM charter and specifications defined by the Client , And the BIM protocol / convention defined by the Project Management.