RAKWANET - Demonstration Activities for the Reduction of Water Losses and Preservation of Water Quality in Over-dimensioned Water Distribution Network in Rakvere Town, Estonia

The main objective of the project was to prepare an integrated plan for the reduction of water loss from over-sized and degraded water distribution network in Rakvere town, whilst preserving the quality of water supplied to consumers and ensuring protection of groundwater to answer Estonian and EU legislation. In order to reach this objective, the project closed all old wells in the town and supplied water through the new water treatment plant. During the project a technical database was designed for detailed logging of water supply, sewage network and water consumption data. Leaks were detected and flow was measured in the water distribution network and of valve chambers to determine the need for their replacement. A computerized hydraulic model of the water network was created and calibrated to determine the best solution for the network. A water loss control and management system and a remote control system for the flow and pressure measurement and regulation were designed. Measures for the improvement of operation and maintenance of the system were set.