France – Environmental Impact Assessment (EIA) services for construction – Réalisation d'études, d'expertises et de dossiers réglementaires environnementaux, nécessaires à la réalisation du projet de la Ligne 16 du Grand Paris Express

This procedure is a framework agreement for the conduct of studies, expertise and environmental regulatory files, necessary for the implementation of the Grand Paris Express Line 16 project. As part of this, the following services will be performed: - Ecological expertise, ecological monitoring of certain works after restoration work, wetland diagnosis, ecological diagnosis before tree felling, ecological inventory of fauna/flora/habitat, spawning ground inventories…), installation of ecological facilities (bird boxes, hibernacula...) - Piezometric sounding survey, creation and maintenance of piezometers - Water sampling and water quality analysis - Geometric and bathymetric surveys - Acoustic studies - Monitoring of groundwater/pond NATURA 2000 relations and correlation with ongoing pumping - Hydrogeological and hydraulic modeling - Preparation of environmental regulatory file (example: Porter à connaissance) - Verification of data with the ENT for the quarterly and annual biodiversity reports intended for the State services.