On 25-26 October 2017 a Hollowcore Design Course is organized by the International Prestressed Hollowcore Association (IPHA) in Tallinn, Estonia. The course is organized in cooperation with Estonian Concrete Association (BŰ) and Estonian Association of Civil Engineers (EEL) and greatly supported by International Federation for Structural Concrete (fib). This hollowcore design course is open to all who are interested to learn more about the design of hollowcore floors. The Seminar location “Park Inn by Radisson Meriton Conference & Spa Hotel Tallinn” is situated in the heart of Tallinn, and is adjacent to the Old Town which is a UNESCO World Heritage Site. The airport is only at 6 km distance for the hotel.