What is the consideration with the contradiction between the non horizontal Joaquin Costa Avenue and the horizontal floor? What is the scheme of the conjunction between fa?ade and the site? How is the designer transfer the concept of the ventilation to construction? Sketch research would be a effective method for the process of design, changes of the logic and adherence of the principle. The building not only reflects the layer but the logic of the integrity of the material,and also the accuracy of the location of the building unit in the construction plans.