Fruta del Norte – Zamora Chinchipe, 2015
We build, extract, and operate —
mining responsibly and sustainably.
We deliver specialized engineering and construction solutions for the mining industry, covering every stage: from conceptual design and development to implementation, operation, and maintenance.
Managing Company:
Sevilla y Martínez
Ingenieros C.A. SEMAICA
· Tunnel design and construction.
· Early works for mine development.
· Mineral processing plant construction.
· Tailings dam construction and monitoring.
· Transmission lines and substations.
· Water treatment plants.
· Access roads and on-site camps.
· Full mining operation and exploitation services.
· Zero-accident policy backed by rigorous safety standards.
· Cost efficiency and operational productivity.
· Deployment of modern, reliable equipment.
Sopladora Hydroelectric Plant – Azuay, 2019
Location: Azuay Province, part of the Paute hydroelectric complex.
Executed works: Construction of two strategic tunnels.
Tunnel length: 2,832 m; pressure pipeline: 1,600 m (4.5 m diameter steel pipe for high hydraulic loads).
Tunnel length: 2,832 m; pressure pipeline: 1,600 m (4.5 m diameter steel pipe for high hydraulic loads).
Two twin adits excavated in white soil, each with 4,000 m tunnels and -15% slope. Total excavation: 9,278 m³ under complex geological conditions.
Main tunnel: 725 m (14 m² section); exploration galleries: 350 m; total excavation 9,278 m³.
Main tunnel: 725 m (14 m² section); exploration galleries: 350 m; total excavation 9,278 m³.
© 2025. SEMAICA.
All rights reserved.
© 2025. SEMAICA. All rights reserved.
