SEDIF supplies more than 4.6 million people in the Paris metropolitan region with almost 750,000 m3 of water every day. To ensure the efficiency of the 8,700 km network, France's largest public water supplier also relies on trenchless technology. As, for example, near the Vincennes horse racecourse. There, the GRUNDOBURST 400G was used by ATP to renew an old grey cast iron pipeline Ø 100 mm over 315 m and enlarge it to Ø 125 mm in one go virtually overnight. Hats off!