Object: Electronic Auction - Hiring A Specialized Company To Carry Out Common Engineering Services For Cleaning And Mechanized Desilting Of The Bed Of The Gurguéia River, In The Stretch Between The Municipalities Of Colônia Do Gurguéia And Manoel Emídio, In The State Of Piauí, Comprising Excavation, Removal, Loading, Transport And Adequate Disposal Of Accumulated Sediments, In Accordance With The Conditions, Quantities And Requirements Established In This Instrument And Its Annexes.