Electrowatt Infra has been commissioned by the Water Supply Department of the City of Zurich to design a 7 km tunnel section between a lake water works and a reservoir in the Zurich area. The contract value is €2 million. Electrowatt Infra's services include conceptual design, call for tenders, detail design and project management. Electrowatt Infra also has an option for the site supervision. The project comprises three shafts, each 100 m-deep, a 7 km-long tunnel with a diameter of 3.5 m and a cavern with mechanical installations. Visit www.ewi.ch and www.poyry.com 26/03.
