Challenges and innovations in modern sewer construction
Introduction
In the end, a sustainable use and maintenance of the infrastructure is an intergenerational duty, which is only fulfilled inadequately by the public sector owing to several reasons, as many studies reveal, such as the investigations of the Difu (German Institute of Urban Affairs), the German Association of Towns or the KfW. The consequences of lacking or inadequate investments in maintaining and expanding the infrastructure endanger the sustainability of towns and cities. Kreditanstalt für Wiederaufbau (KfW, German Development Bank) estimates that the investment backlog is...