Renovation of Rolandbrunnen and renewal of well technology

Summary

This tender concerns the renovation of Rolandbrunnen and the renewal of well technology. The contract covers updating or installing a number of systems and components: updating the decorative well technique; replacement of the shaft cover for an existing well chamber; installation of a roughly 20 m long pressure and return system with a circulation pump of about 0.44 kW; V2A-well basin lining with a diameter of about 2.0 m; installation of a water reservoir in the existing well chamber with a capacity of about 1.0 m³; a fresh-water supply system; a dosing system for water hygiene; shaft drainage/wastewater connections; shaft ventilation; control equipment in an external cabinet; and earthworks by the client.