NORMA Group’s joining technology qualifies for Olympic Winter Games in Sochi NORMA Group has equipped the “Bolshoy Ice Dome” and other buildings in Sochi, Russia, with more than 20,000 pipe connectors from the NORMACONNECT DCS product range for drainage systems. The multi-functional arena is located in the Sochi Olympic Park and seats 12,000 spectators. It will host inter alia the ice hockey finals of the Olympic Winter Games 2014.