Acquisition Of Duplex Armicos Tubes (Galvanized + Epoxy), Diameter 1.2 M, Thickness 2.5 Mm For Sewer Passages In The La Esperanza Community, Sicalpa Parish, Colta Canton, Chimborazo Province, Acquisition Of Materials For The Construction Of Water Drainage Grills Rains In The Central Court Of The Gatazo Grande Community, Cajabamba Parish, Colta Canton, Chimbo Province