Nesenbach

BW

Template: Infobox River / BILD_fehlt

The Nesenbach has cut the valley in which the Baden-Württemberg state capital Stuttgart has developed. The small stream crossed the city earlier from southwest to northeast, but is now replaced its entire length by the eponymous main collectors Stuttgarter combined sewers. The original stream has been renatured to about one kilometer in length between the districts Kaltental and Heslach where the closed building the core city begins. However, these feeds to distinguish from the main collector, referred to as Stadtbach Nesenbach run no longer the Nesenbachquelle, but only smaller local inlets. He then also flows to the main collector. Along the former watercourse below the main town in the castle garden ornamental waters, which are fed from the drinking water supply. Because of the costs associated with it is like here, only the evaporation and seepage.

Importance

Neither the length nor on the size of the catchment area, yet according to the usual water supply from the Nesenbach is particularly significant. It rises in the town of Vaihingen district and falls on its 12.8 km long running through its valley at 240 m.

Still in the first quarter of the 20th century referred to the Nesenbach its water from the honey meadows, once a wetland in the west of Vaihingen. Today this is crisscrossed by roads and the motorway A 831 and was cultivated intensively already in the 20th century. From the honey meadows can be seen almost nothing today; only the honey Wiesenstraße recalled. The headwaters of the Nesenbachs today lies west of the highway A 831 In 2012, the green area Vaihingen -West was completed with a sports ground. Here, here the Nesenbach was given a new bed. The sparse flowing water, however, was performed in a tube under the highway to the east. It runs underground through Vaihingen and continue towards Kaltental.

The Nesenbach never played a decisive role in the commercial development of the city of Stuttgart, not even retardant by some devastating floods. He, however, was for centuries an important drinking water supplier. However, with any revised source to its headwaters led the Nesenbach itself less and less water; Therefore, the millers lacked the drive for its water wheels. Your complaint, it is attributable to, among other things, that the Pfaffensee was created with its outflow Christoph tunnel in the heath blade in 1566. The system of lakes at Katzenbach and Steinbach in 1812, the Bear Lake and Lake of the New ( 1833) in the headwaters of the Glems made ​​for more inflow usable water in the Nesenbach.

Presumably, the protective effect of this narrow valley is the reason that in spite of the unfavorable topography itself could develop the residence and later city.

Versatile was the benefit of Nesenbachs for the people: he supplied the water for washing, cleaning, pouring, for soaking and flooding of cattle, for many craft activities, the washing away of the filth and of course the clear water.

Significant flood damage directed at the Nesenbach whenever during heavy thunderstorm rain the water masses of the steep slope areas flocked to the valley. Within minutes, could the normal water flow of 20 to 100 l / s at 60 to 100 m³ / s, which swell up to a thousand times.

Archaeological excavations in 2008 in the former Württemberg wine cellar of the old castle suggest that the protective outer wall of the previous building had collapsed during a flood by washout. During reconstruction, the new wall coatings were rotated 45 degrees so that they lay parallel to the stream course.

Since the Nesenbach polluted more and more over time, he was vaulted increasingly and completely covered over. He is now the most important main collector in Stuttgart channel network and serves as sanitary and storm sewer for the entire southern city. It ends not with a mountain in the Neckar Mühlhausen but the treatment plant is supplied. The Nesenbach flows as a channel under the Breuninger at Stuttgart marketplace. Between the two part Mittelbau buildings and high-rise building have to pass under it by means of two escalators in the basement. Until the 1980s, two fish tanks were installed at this point.

Furthermore, crosses under the Nesenbachkanal also the Carl- Zeiss Planetarium in Stuttgart, a few meters away from the pit for the projector.

Bridges

Between Vaihingen and Kaltental span two notable viaducts the Nesenbachtal: the local bypass of Vaihingen ( north-south road ) and the Gäubahnbrücke.

Nesenbachdüker

For the crossing under the new central station Stuttgart 21 should from April 2012 for the Nesenbach a culvert to be built, which is to perform the main sewer under the planned station trough. Until mid- March 2012, the order of the Deutsche Bahn AG the contract for the shell of the deep station, including redirection of an underground stream, however, has been awarded, planned was the 12th May 2010. ( Nesenbachdüker ) received a consortium led by the Stuttgart-based construction company Züblin. The order has a volume of 323 million euros. The construction of the Nesenbachdükers is a prerequisite for the realization of the project Stuttgart 21 A portion of the culvert is intended to be built by mining way underground pressurized air. During the construction is planned for 2014 to supply 20 liters of water per second from the city creek in Kaltental by separate lines within the main sewer to the Lower Castle Garden. The water should be used to improve the water quality of the lake area. From the Lower Castle garden then the Nesenbach to an outflow 15 to 20 l / s flow back to the river Neckar.