Zitrón takes part in the “La Línea” tunnel project in Colombia

 

Zitrón takes part in the “La Línea” tunnel project in Colombia. On September 4, the “La Línea” tunnel in Colombia was inaugurated, one of the most important tunnels in the country and the largest in the continent, with its 8,650 kilometers in length, crosses the Central Mountain Range between Cajamarca (Tolima) and Calarcá (Quindío), improving road connectivity between the capitals of these Colombian departments and which is part of the ambitious via “Cruce de la Cordillera Central”, which will connect Bogotá with the Pacific coast.

ZITRÓN has participated in the design, supply, manufacture, installation and commisioning of the ventilation system for 3 of the 31 tunnels that, due to safety requirements, require forced ventilation for their length, which are:

  • Los Colibríes tunnel: 890 meters long, 4 fans of 1,200 mm in diameter and 63 kW of power. Model JZR 12-63, resistant to 300º 2 hours, to ensure sanitary and emergency ventilation in tunnel.
  • Barranqueros tunnel: 620 meters long, 3 fans of 1,200 mm in diameter and 63 kW of power. Model JZR 12-63, resistant to 300º 2 hours, to ensure sanitary and emergency ventilation in tunnel.
  • Main tunnel of “La Línea”: 8,650 meters in length, 20 fans of 1,600 mm in diameter and 90 kW of power. Model JZR 16-90, resistant to 300º 2 hours, to ensure sanitary and emergency ventilation in tunnel, applying a 100% longitudinal ventilation system.
  • “La Línea” pilot tunnel: 8,650 meters long, 17 fans of 630 mm in diameter and 3 kW of power. Model ZVN 1-6.3-3 / 4, to ensure overpressure in the evacuation galleries in case of emergency. In addition, 2 fans of 1,000 mm in diameter and 34 kW of power, model ZVN 1-10-34 / 4, were installed in the portals to ensure air renewals and the supply of fresh air to the pilot tunnel itself and to the tunnel emergency galleries.
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