The metro system in Sofia was to be expanded. The current Metro Line 1 was to be supplemented by an additional Line 2 in the form of a 17-kilometer section planned from the Obelya…
Read moreThe Wehrhahn Line is coming! A major project involving lengthy preparation by politicians, administrators, planners and engineers was finally to be realized. Six underground and…
Read moreA new main sewer was to be constructed for the eastern outer districts of Mexico City. The background to the project is an incident some years ago, when the Rio de la Compañia…
Read moreMore than 100 years ago, the first kilometers of tunnel in the New York metro network were put into operation. At that time, around 3.5 million people lived in Manhattan and in the…
Read moreIn northeast England, the construction of a sea outfall was planned in order to divert treated sewage into the North Sea. The pipeline with a total length of 550 meters comprised…
Read moreThe "Tugun Project Gold Coast" included the construction of a desalting plant and installation of two water pipelines in Queensland (Australia). The 2.2-kilometer and…
Read moreThe Kiev metro - also known as "Pidsemka" - was opened in 1960 and was the first underground in the Ukraine and the third in the USSR. The metro system ist the backbone of the…
Read more150 kilometers east of the capital Quito, the Coca river is created from the confluence of the Quijos and Consanga rivers. The plan is to use the water of the Coca river to produce…
Read moreIn the northern Italian province of Vicenza, a project was initiated for water-powered generation of renewable energy. The aim was to use the water from the Asiago plateau and the…
Read moreA major challenge for the metropolis of Istanbul is sewage treatment. One of the largest and most modern sewage plants in Europe was built adjacent to the district of Ambarli in…
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