Topographic and land works services, on the intervention perimeter of the EPA Sénart (boundary markers, raised settlements and survey documents).

Topographic and land works services - zone n o 1 - West of Sénart territory (boundaries, raised sites and surveying documents)

Topographic and land works services - zone n o 2 - North-East of Sénart territory, “Ecopôle”, “Parc A5” and “Villaroche” operations included (demarcation, surveyed sites and survey documents).

Topographic and land works services - zone n o 3 - South of Sénart territory, “Clos Saint Louis” operation in Dammarie-les-Lys included (demarcation, surveyed sites and survey documents).