- Buyer
- École Polytechnique
- Winners
- GRAND CHEMIN SAS
- Contract value
- €230,000Framework value — excluded from market-size totals because it is restated on every lot.
- Published
- 19 Jun 2026
- Awarded
- 12 May 2026
- Contract start
- 12 May 2026
- Contract end
- 10 May 2028estimated
- Region
- Essonne