Contracting For The Execution Of The Ioarr Work: Renewal Of The Sewerage Network And Drinking Water Supply System; In The Basic Sanitation System In The Village Of Pampac And Piquip, District Of Yungay, Provincial Of Yungay, Depa - Contracting For The Execution Of The Ioarr Work: Renewal Of The Sewer Network And Drinking Water Supply System; In The Basic Sanitation System In The Home Of Pampac And Piquip, District Of Yungay, Provincial Of Yungay, Department Of Ancash¿ With Cui N° 2660114