OeverZaaijer architecture and urbanism has – in close cooperation with the Ministry of Justice and Transmo – developed cell containers in a temporary extension of the existing prison complex in the heart of Kralendijk. These are 2-person cells, which were realized in sea containers. In addition to cell containers offices, meeting rooms, guard posts and work rooms were realized in sea containers. The existing building was also extended with a new entrance hall, a central porter's lodge, a guestroom and office- and meeting space. Recently 12 detention cells were put into use. On 11th March the project was completed.