Electronic Auction - The Purpose Of This Bidding Process Is To Choose The Most Advantageous Proposal For Contracting Common Engineering Services And Maintenance Of Goods And Properties, In Accordance With The Conditions, Quantities And Requirements Established In This Notice And Its Annexes. The Bidding Will Be Carried Out On A Single Item. The Judging Criterion Adopted Will Be The Highest Discount For The Item, Observing The Requirements Contained In This Notice And Its Annexes Regarding The Specifications Of The Object. (EXPIRED)