For sustainable use and maintenance of infrastructure

Challenges and innovations in modern sewer construction

Figure: Uhrig

→ 1 Principle of district heating distribution by means of wastewater systems

Figure: Uhrig

Figure: Schlüsselbauer Technology)

→ 2 PerfectPipe with integrated corrosion protection lining

Figure: Schlüsselbauer Technology)

Figure: Dupré, Speyer

→ 3 Accessible pipeline for the accommodation of different systems within the network

Figure: Dupré, Speyer

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...