Démarche en ligne

Unified declaration for underground works (DUPLOS) (Online service)

DUPLOS is an online service that allows you to declare a project under Article L411-1 of the Mining Code, mandatory for drilling, drilling, excavation, underground works over 10 meters deep and for domestic drilling.

    Go to the online procedure

    For details, please use the practical information sheets :

    J'ai réalisé une démarche administrative

    Je donne mon avis sur Services Publics +. L'administration concernée me répondra.

    Je donne mon avis

    Émetteur de la démarche en ligne : Bureau of Geological and Mining Research (BRGM)

    Verified 01 February 2024 - Directorate for Legal and Administrative Information (Prime Minister)