Object: Electronic Auction - The Object Of This Tender Is The Hiring Of A Specialized Company To Provide Preventive And Corrective Maintenance Services, With The Application Of Parts, Accessories And Other Materials Necessary For The Maintenance Of Earthmoving Machines Belonging To The Department Of Highways Of The Federal District - Der/Df, In Accordance With The Conditions, Quantities And Requirements Established In The Notice And Its Annexes.