The final design stage should be all about completing the design and the corresponding drawings. Designing is an evolutionary process resulting in a set of drawings. The design should be based on the client’s brief but at the same time accommodate the needs of the site and the building services. The result when further developing the final design should be a building that "works" in every respect. The drawings are usually to a scale of 1:100 at this stage; they serve as a basis for the planning application and possibly also the procurement process.
As is the case for every phase in the building process, the client must approve the final design proposal before the planning team can proceed. Any second thoughts on the scheme after this point can cause serious disruptions and add cost.