Feasibility study of an old mill with a subsidence of the sill

The owner of an old mill with a damaged weir in Saône-et-Loire state in France order us to study the feasibility of rehabilitating the installation. The main stage of our scope was: hydrological study of the river, bibliographical research in order to define the historical gross head of the site before the subsidence of the sill, estimation of the impact of the reconstruction of the sill on the river, estimation of the feasibility, realization of layout plans at the feasibility stage.