Object: Electronic Auction - Hiring A Specialized Company For Underwater Services In The Dams Owned By Samae, Marrecas, Faxinal, Maestra, São Paulo, São Pedro, São Miguel, Samuara, Santa Helena, Galópolis I And Galópolis Ii, For The Purpose Of Operation, Evaluation And/Or Maintenance Of The Flooded Face Of Such Dams, According To The Terms Of Reference, Annex I Of The Notice.