As a leading Ukrainian company designing, manufacturing and mounting tanks, Ukrstalkonstruktsiya was contracted to erect a battery of them for OJSC “Naftohimik Prykarpattia”. Initially, 6 tanks were built with the overall capacity of 120’000 m3 which is equal to 3 thousand tons of steel constructions. High engineering qualification and skills of Ukrstalkonstruktsiya employees, sound coordination of materials, supplies and ready-made production delivery as well as modern technologies applied in mounting and welding accounted for the award of a second contract. Finally, the park of 11 reservoirs appeared within the shortest time-frame. It totaled at 220’000 m3 of facilities built.