- Design and analysis of a 700 m long tunnel, 2.4 m in diameter, for sewage collection to La Chira wastewater treatment plant, Lima , Perú.

- Design of the penstock tunnel for La Miel II hydroelectric power station, Colombia

- Design of four inter-jack stations to allow the jacking of 4 km long pipe, 1.8 m in diameter, for the Móstoles sewage system, Spain.

- Design and analysis of a hydraulic tunnel under Valdemoro train station for the sewage network, Madrid, Spain.

- Design and analysis of a hydraulic tunnel under Balcón de Coimbra housing estate in Madrid, Spain