Object: Electronic Auction - Hiring A Company For The Provision Of Drainage System Maintenance Services, Mechanical Cleaning In Galleries, Extenses, Business Wells, Pipes And Connections, With Hydrojato/Sucker/Recycler Equipment And Dehydration Transportation For Landfill, Galleries, Examination, Wolf Bocas And Business Wells, Smoke Testing, Dye Test And Inspection With Digitized Media, Digitized Media, By Television Circuit, With Supply Of Technical Report Of Diagnosis