Execution Of Works On Infrastructure Equipment To The Construction Plot Marked As Cadastral Plot No. 6946/1 And 6946/2 (New Survey) Of The Doboj Municipal Administration For The Collective Residential And Commercial Building "Oaza 4" And "Oaza 5" In Kneza Miloša Street In Doboj Lot 1: District Heating Lot 2: Water Supply And Sewage Lot 3: Electrical Works Lot 4: Civil Engineering