The aim of the project is to renew the pipeline network, reduce water leaks and ensure sufficient capacity in the areas Nordseter Terrasse, Tysleveien and Lisleveien in the Nordstrand district. The measure shall reduce leaks, increase operational security and ensure sufficient capacity, including fire water capacity, in an area where the current pipeline network has repeated fractures and significant functional shortcomings. The project includes the renewal of approx. 1,000 metres water and sewage pipelines. The work shall be carried out by using both traditional trench excavation and suitable no-dig methods. See the attached tender documentation and other documents for a more in-depth description of the procurement, and particularly read the tender documentation point 6 for the wanted check list.