Object: Electronic Auction - Engineering Service To, On Demand, Carry Out Recovery, Demolition, Adaptation And Building Maintenance, With The Supply Of Parts, Equipment, Materials And Labor In The Form Established In Service Spreadsheets With Inputs And Compositions Extracted From The National Civil Construction Cost And Indices Research System, Called Sinapi In Accordance With The Conditions, Quantities And Requirements Established In Notice 90002/2026 And Its Annexes.