Line construction
Under pipeline refers to the construction of lines of all kinds of water , waste water -, gas , electricity , telecommunications lines and antennas .
Here, pipelines are usually laid underground in an open or trenchless, closed construction and only in exceptional cases , for example as a temporary measure or for district heating purposes, above ground. Power lines are mostly laid underground in built-up areas, outside of them mostly above ground.
The main tasks of line construction include the search for the most economical design variant and the choice of a suitable route , which is particularly problematic in densely populated areas.
In the upgrading of existing lines one is usually first inventory plan adds to the security of supply to be guaranteed. During the construction of the line, care should be taken to ensure that there is as little disruption to residents of the construction site and traffic as possible. Particularly when building electrical lines, special procedures such as working under voltage often have to be used.