The city applied for a building permit at the end of 2019 and had expected to receive it by the summer of 2020, but the process was delayed by objections. The application had several thousand pages and over 2,000 appendices. If the pages were stacked together, it would be over 3 meters tall, Petr Witowski, chairman of the board of directors and CEO of DPP, said in December 2019.