DESIGN, CONSTRUCTION AND RECONSTRUCTION OF WATER & WASTEWATER FACILITIES — Complex design of water and wastewater facilities — Development of technologies and equipment for water & wastewater treatment — Reconstruction of existing water treatment facilities — Complex and phased reconstruction (modernization) of water & wastewater treatment facilities — Construction and assembling work, installation, super- vising installation, starting-up and adjustment of equipment and facilities of water and wastewater systems — Installation and adjustment of water & wastewater SCADA systems