Contracting The Service Of Preparing The Technical File For The Project Called: Bridge And Bridge Renovation; On The Neighborhood Road Ap-859 (Yanamayo Bridge And Chuyamayo Bridge), Section: Emp. Pe-3S F (Ayrihuanca) - San Antonio - Mamara - O - Contracting Of The Service For Preparing The Technical File Of The Project Called: Bridge And Bridge Renovation; On The Neighborhood Road Ap-859 (Yanamayo Bridge And Chuyamayo Bridge), Section: Emp. Pe-3S F (Ayrihuanca) - San Antonio - Mamara - Oropesa - Quilcano - Ichuni - Sopolo - Huillca - Em