Contracting Of Construction Consulting Service For The Reformulation And Updating Of The Technical File Of The Investment Project: Improvement Of The Service Of The Water System For Irrigation In The Yurac - Uram - Atma Canal Of The District Of Yunga - Contracting Of Construction Consulting Service For The Reformulation And Updating Of The File Investment Project Technician: Improvement Of The Service Of The Water System For Irrigation In The Yurac Canal - Uram - Atma Of The District Of Yungay - Province Of Yungay - Department Of Ancash ¿,