The Grimaldo capitals are located on the Arroyo de la Charca-Grimaldo section of the Madrid-Extremadura high-speed line. This is a project with a 14-metre-wide platform, prepared for the installation of electrified double track.

It has a length of 6.4 km with 4 viaducts whose piers are the most characteristic elements of the work. Caldibe, under the engineering of Tecozam, we were in charge of manufacturing the capitals of this project with almost 23 tons.