Istanbul Dolphinarium is a special pool project which has been serving since 2008 to discover the fascinating World of the sea mammals. The project which is the titleholder Europe’s largerst indoor dolphin Show center has adaptation, rehabilitation and relaxation pools are connected to the 1000 m2 main pool. Place to place with the depth of 5 meter it is necessary to engineering ability by cladding PVC membrane lineer. Seva is the only company with this qualification at the start of the project in 2007 in Turkey. Seva is rightly proud of by using salt water with total of 3100 m3 volume on 7 pools by building this kind of project at highest standards.