The Club de Rugby Arquitectura Técnica, commonly referred to as CRAT, and currently known as CRAT Residencia Rialta for sponsorship purposes,[1] is a Spanish rugby union club.

The club currently competes in the Liga Iberdrola, the 1st level of Spanish women's club rugby, competition they have won 2 times.

[2][3] The men's team plays on the galician regional tournament.

[4] The club is based in the city of A Coruña, in the autonomous community of Galicia.

[5] The team was founded in October 1976 by Ignacio Lobón Tovar and a group of students from the architecture school of the University of A Coruña to compete on the Universities League.