Overhead Line Crossing - Crossings of Roads and Railway Lines

Crossings of Roads and Railway Lines

Overhead line crossings of roads, railway lines, and small- and medium-sized watercourses do not normally require special construction. However, in the first years of overhead line building a scaffold under the line was required, when a railway line or a road was crossed. Later in Germany and some other countries on each end of a powerline crossing of a stately-operated railway a strainer was required, which can still be seen on some old power lines. For overhead line crossings of motorways the pylons must be rebuilt before they wear out, because these demand additional maintenance. If local conditions are appropriate, an overhead line can be implemented by way of a valley bridge. For example, the Koersch valley bridge near Esslingen, Germany carries the 110 kV, three-phase line of the EnBW AG with 2 circuits. Because of the danger of short circuits from falling objects, undercrossings are typically avoided.

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Famous quotes containing the words lines, railway and/or roads:

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