germany-gommern: architectural, engineering and planning services./ dom halberstadt - building planning and structural design./ the cultural foundation of saxony-anhalt owns the cathedral of st. stephen and st. sixtus in halberstadt. due to the retirement-related termination of the long-term cooperation with the office for construction planning at dom halberstadt, the cultural foundation has to put the planning services out to tender again. it is planned to bind a planning office for the planning services over several years. an order is planned for the period from 01/01/2023 to 12/31/2032.