the purpose of this contract is to carry out geotechnical study missions as part of the operations entrusted by the ESID of idf and Rennes in Snia-Nord.

The services, the subject of this contract, concern the realization of geotechnical study missions on the perimeter of the operations entrusted to the Snia-Nord on the air bases 107 of Vélizy-Villacoublay, BA 105 of évreux-fauville, on Percy and the ear 921 of Taverny (95).

Geotechnical study missions are described in standard nf p 94-500 of November 2013. They are intended for an existing or planned structure, whether it is a built structure, a vertical superstructure (examples: pylon, mounds...) or horizontal (examples: road, railway, aeronautical runway). The mission integrates the various complementary missions of investigation, survey, analysis...

The objective of this contract is to be able to have, at any stage of a project:

- Information relating to the area of establishment of a structure and the underlying soil;

- Technical recommendations from a geotechnician to renovate or build in the best technical and economic conditions;

- Technical assistance at each stage of the project: avp, pro, dce, Exe.

These services must comply with approved or equivalent French standards as well as Eurocodes.