Separate Position No. 3: "Cleaning Of Woody And Shrubby Vegetation On Dam Walls, Their Adjacent Facilities And Maintenance Of The Conductivity Of River Beds In A Section Up To 500 Meters From The Dam Wall For Dams Provided For The Management Of Dpusya, Located On The Territory Of Tp Vratsa - Dam "Vranyak-1", Dam "Gradinite-206", Dam "Drashan 2-94" And Dam "Pod Selem-138"