Contracting For The Execution Of The Project: Improvement And Expansion Of The Water Supply Service For Irrigation In The Chacabamba Sector In The Town Of La Merced, District Of Huacachi Of The Province Of Huari Of The Department Of Ancash¿ Cui - Contracting For The Execution Of The Project: Improvement And Expansion Of The Service Of Water Supply For Irrigation In The Chacabamba Sector In The Locality Of La Merced, District Of Huacachi Of The Province Of Huari Of The Department Of Ancash¿ Cui N°2603766