Surface topographic monitoring in areas at risk of mining subsidence in the Lorraine iron-mining basin

Summary

The BRGM is procuring surface topographic surveys in areas at risk of mining subsidence across the northern Lorraine iron-mining basin, known as the Briey–Longwy–Thionville basin. The services are divided into two lots, identified in the notice as lots 1 and 3 of group 2, with an estimated total value of €90,000. The framework agreement is planned for 2027.