In the state of Sonora, use and management of explosives on the demolition of the Hotel Presidente in San Carlos, Municipality of Guaymas, with a volume of 30,000 m3, from November 29 to December 16, 1995.
In the state of Sonora, use and management of explosives on the demolition of the Magdalena Bridge in the town of Magdalena de Kino, with a volume of 1,500 m3.; From 17 to 20 January 1996.
P.H. "Cajón" .- Commemorative blowup (Start of Works PH El Cajon) PHC-CLO-08/03 contract.