Object: Electronic Auction - Hiring Services For Unblocking Sewage Pipes (Pipes) By Hydrojetting; Toilet Unclogging; Exhaustion, Cleaning And Transportation Of Liquid And Solid Waste From Septic Tanks, Sinkholes, Inspection And Collection Box And Sewer/Septic Tank Connection Pipes And Grease Trap Cleaning Service, Using Products That Do Not Compromise Human Health, Aiming To Meet The Hgef And The Om Of The Fortaleza Garrison.