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Case Studies
![Construction d'un immeuble de bureaux](https://www.dsl.fr/app/uploads/2020/11/construction-d-un-immeuble-de-bureaux.jpg)
16/11/2020
Construction of an Office Block
Lowering the water table by bleeder wells during construction of an office building with 2 basement levels
![Pompe à vide et pointes filtrantes alignées vue rapprochée](https://www.dsl.fr/app/uploads/2020/08/rabattement-de-nappe-en-terrain-sableux.jpg)
06/08/2020
Lowering the Water Table in Sandy Ground
Lowering the water table in sandy ground to build a wastewater treatment plant, the wellpoint technique was used
![Vue panoramique de 166 pointes filtrantes avec linéaires de collecteur d'aspiration et pompes à piston](https://www.dsl.fr/app/uploads/2020/08/rabattement-de-nappe-par-pointes-filtrantes.jpg)
06/08/2020
Wellpoints for Holding Tank
Dewatering by wellpoints for the construction of a rainwater holding tank
![Réseau d'exhaure monté sur échafaudage en bord de route](https://www.dsl.fr/app/uploads/2020/07/rabattement-de-nappe-en-zone-urbaine.jpg)
06/08/2020
Lowering the Water Table in an Urban Area
Lowering the water table in an urban area, with disposal in the Saône through a dewatering network of 2×400 m
![Mât de forage sur pelle hydraulique et aiguilles filtrantes](https://www.dsl.fr/app/uploads/2020/09/rabattement-de-nappe-par-aiguilles-filtrantes-5.jpg)
06/08/2020
Lowering the Water Table by Needle-Type Filters
Lowering the water table by needle-type filters to install gas channelling under a roundabout