Mostostal Warszawa will modernize technology process in the Central Pipeline Plant (ZWC) for Miejskie Przedsiębiorstwo Wodociągów i Kanalizacji S.A. (Municipal Water Supply and Wastewater Treatment Company) in the capital city of Warsaw. Stages of the new project and advantages of the modernization of the plant, which covers 50% of water demand in the capital, were presented on a press conference organized by the investor on 31 July 2007.