Tampereen Seudun Keskuspuhdistamo Oy is procuring the replacement of pumps at the Viinikanlahti wastewater pumping station under a design-and-build (ST) contract. The scope includes the supply and installation of 2 dry-installed submersible wastewater pumps (max. 160 kW each), 1 spare parts set, and all associated design and commissioning work. Pump impellers must be of semi-open or screw type, and replacement works are to be carried out one pump at a time. The contract covers all design, construction, and dismantling tasks in accordance with the procurement documents.