The Penuelas project in Puerto Rico required a compact installation for a 230kV line crossing under existing overhead lines, and also had to meet particular environmental and access requirements imposed by wetlands and roadways at the site....
The CGIT bus, besides allowing the addition of a new 230kV circuit under the space constraints of the existing lines, made it possible to cross over underlying wetlands with minimum impact. Part of the bus, running inside a steel truss bridge, spans without interference a natural floodwater stream. Another section runs under a roadway in a covered trench and passes under an existing overhead line. The photos show both aspects of the installation.

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