Once the design has been completed, the architects prepare the tender documents for the contractors, and provide support during the tender procedure. For the purpose of commissioning various building works it is necessary to set up building contracts which contain standard content as well as very individual provisions. The building contract and its extensive drawings and specifications are the basis for the building work; they must be understood by the supervising architect and implemented to create the building. The complexity and diversity of building contracts is increased by the fact that there is hardly a building contract that does not have to be modified after it has been signed. Basics Building Contract offers the typical structures and explanations, as well as the tools for creating project-specific contracts and understanding the inherent complexity