The city of Rietberg plans to expand the school center. The planning should take place in one go, the realization is planned in one construction phase, although the client reserves the right to implement the extension in construction stages.

To plan is a new central structure for the 5-speed gymnasium. The building construction department of the city of Rietberg has already developed and prepared an overall concept (draft planning) and based it on the decisions of the political bodies. This concept should serve as a basis for further planning.

The contract includes freelance planning services.

The following services should be awarded:

- Structural design (phases 1-6 in accordance with HOAI § 51 in conjunction with Annex 14, including constructive fire protection).

The required services are based on the performance images of the HOAI. The client reserves the right to a step-by-step and, if applicable, construction section-based commissioning.

Extensive advance payments have already been made by the client. At the negotiation stage (stage 2 of the procedure), tenderers are invited to make an assessment of the services to be provided in phases 1-3, using the documents provided in the terms of reference of the invitation to tender.