Project manager: Ogec Saint-André

Architect: DFA

Manufacturer: SPIE PRESANCE IDF

Structure missions:

• Underpinning

• Raising the level by one

• Vertical circulation via stairs and elevator and landing

• Various wall openings

• Perimeter support

• Geometric survey

• Calculation of load paths

• Justifications for the works

• Methodology and implementation phasing

• Validation by the inspection office

• Plans, sections and construction details