Technical Works Inspection – Construction of Los Cóndores Hydroelectric Plant

 

 

The Los Cóndores Hydroelectric project is a run-of-the-river hydroelectric power plant, whose waters originate in the Laguna del Maule reservoir and are returned via a 12 km adduction channel to the Maule River. The plant’s nominal capacity is approximately 156 MW, generated by two vertical Pelton type units. Gross head is 765 m.

The energy generated enters the electrical grid (Sistema Interconectado Central, SIC) through a 220 kV transmission line that runs to the Ancoa substation.

Zañartu Ingenieros and Consorcio CDZ conducted the technical inspection during the construction and commissioning phases of the Los Cóndores project, addressing the following aspects:

 

  • Civil engineering (intake, adduction [12 km], power house, vertical works).
  • Supply and installation of electromechanical equipment.
  • Engineering, supply, construction, installation and commissioning of the 2×220 kV high voltage transmission line between the Los Cóndores plant and Ancoa (approximately 23 km and 300 towers). Works inspected as part of the project included:

Adduction works: consisting of a tunnel passing initially through earth and subsequently through rock, excavated using the traditional method or with a tunnel boring machine (TBM).

Penstock: a vertical, cylindrical shaft lined with precast concrete and excavated by raise borer.

 

Gallery: Technical works inspection, Construction of Los Cóndores Hydroelectric Plant, Endesa

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