Object: Electronic Auction - Hiring A Specialized Company To Provide The Maintenance Service For Autonomous Respiratory Protection Equipment, Used At The Estrela Factory For Emergency Rescue And In Compliance With Iso 45001, The Emergency Procedures Adopted At Imbel/Fe, The Cbmerj Regulations, In Addition To The Provisions Of Nr 06. The Specifications, Quantities And Conditions Of The Terms Of Reference Are Set Out In Annex A, An Integral Part Of This Notice.