The diploma thesis deals with project documentation of an office building with an insurance company branch in Brno - Bystrc. The building is designed as a detached building with five floors and one underground floor. The ground plan of the building is rectangular, set in a slightly sloping terrain. The underground floor is located underground garage and technical facilities. On the first floor there is a café and counters. On the second and third floors there are counter halls and on the fourth floor there are office spaces of a private company. The last fifth floor serves as a flat roof exit. The construction system is two-way wall. The building is insulated with thermal insulation and covered with a flat roof