Airfield Hospital – a large scale project for the good of patients safely managed with BIM

In the year 2011 already, the results of expert reports showed that it would not be viable to modernise the existing hospitals of Sindelfingen and Böblingen – when compared to a new build. It was therefore decided to construct a new hospital on the so-called airfield, which was regarded the sensible option both from an economic and medical perspective. We from AEC3 were commissioned along with our cooperation partner – think project! GmbH – with consulting the owner of the building. Firstly, the client wished to have consolidation of the BIM aims and use cases, creation of trade-specific BIM specifications and stipulations of the EIRs for the individual contract award in the Public Procurement Regulation (German: VgV) procedure. Moreover, our support was needed to define the scope of services. We created for the client a 3-phase consultancy plan with service packages, where each package contained its own documentation of results.
Phase A – the BIM potential analysis – included an overview of the expected savings and quality potentials of BIM and compared these factors with the implementation costs and added value. As a result, this phase produced the BIM specifications (EIRs), VgV evaluation criteria, the BIM execution plan and modelling templates.
Phase B – the needs analysis – we used this to demonstrate BIM use cases to the customer and to point out the added value of BIM. In a practical workshop together with the client, we developed the higher-level processes of the BIM application and requirements for the contractors. Together with our client, we transferred the requirements to the digital building models that were to be created (Employer´s Information Requirements, ERIs) along with the general technical and organisational conditions. The results were project-wide and were incorporated into the BIM specifications. Focus was also placed on Facility Management and definition of the requirements catalogues that we implemented using “BIMQ“, the AEC3 requirements database, in order to digitally define the ERIs in the catalogues and be able to verify them at a later point in time.
Stipulations set out in the specifications from Phase B formed the basis for the call for tender and contract award for services related to the BIM management in the individual project areas in Phase C, the contract design. On the one hand, we derived the scope of services for the planners who were to be commissioned and for the BIM management; on the other hand, contract award criteria for evaluating bidders were defined and tenders were assessed according to these criteria. We from AEC3 actively supported the contract negotiations with a view to BIM suitability. Subsequently, conclusion of the contract followed, which set out the service obligations of the planners and the BIM management components. These obligations were then integrated into the already existing BIM specifications that formed the basis for implementing the Airfield Hospital Project.