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A property on Riehenring in Basel is being totally refurbished to convert a former multi-family house into a modern hotel. The construction work includes total renovation, and structural interventions in the building, which also...


HOLINGER is helping the municipalities of Châtellenie de Thielle and Ins-Müntschemier to explore plans for connecting the Ins (BE) WWTP to the Marin (NE) WWTP. A study showed that a merger is both technically feasible and...


The general drainage plan (GDP) of the municipality of Hombrechtikon envisages measures for the rehabilitation of the public wastewater system. In three stages, lasting until 2021, HOLINGER will repair the shafts and then the...