Objective: Electronic Auction - Hiring A Specialized Company To Provide Continuous Unclogging And Cleaning Services, As Well As Unclogging And Cleaning Of Sewage Pipes, With Supply Of Labor, Materials, Equipment And Transportation, Including The Collection, Transport And Environmentally Adequate Final Disposal Of Waste, To Meet The Needs Of The Secretariats, Foundations, Municipalities And Other Administrative Units Of The City Hall Ji-Paraná/Ro.