Open Procedure, Divided Into 5 Lots, For The Assignment Of: Restoration Works Of The Functionality Of The Sewer Networks And Autospurgent Service On The Municipal Area Of ​​The Circumscriptions 1A, 2A, 3 A (Lot 1) Restoration Works Of The Functionality Of The Sewage Networks And Autospurgent Service In The Municipal Area Of ​​The Circumscriptions 4 A, 5 A And 6 A (Lot 2) Extraordinary Cleaning Service