For drinking water pipelines there are descriptions e.g. in DVGW data sheet W 334 of how accumulations of air can cause considerable dynamic pressure changes as a result of the different densities of the two media.
Regular servicing and maintenance of a drinking water network pays off. This is also one of the reasons why the urban area of Feldkirchen in the Federal State of Carinthia is particularly anxious to replace their ageing pipes or pipelines whose dimensions no longer correspond to current requirements.
Manholes and covers of water supply networks are designed so that they can be easily opened by the water supplier’s operating personnel, for example to operate gate valves, hydrants and other fittings.
At the beginning of the 1970s, in the immediate vicinity of the “Deutsches Eck”, one of the most important sewage structures in Koblenz: the 294 m long Mosel culvert …
In July 2018, a construction project was started in Brixen im Thale in preparation for the major Zinsberg cable railway planned for next year. During the course of this construction work, the existing snowmaking pipeline is being rerouted and its pipe dimensions enlarged …
The Belchen motorway tunnel, opened in December 1970, is one of the most important sections of the North-South route through Switzerland with around 50,000 vehicles driving through it every day. The 3.2 km long, twin-tube Belchen tunnel runs through highly expansive layer of plaster (Gipskeuper) for approximately …