1° Design: This phase consist of sketches, free hand drawings or linear drawings, to illustrate graphically the complete program commissioned by the client.
The design includes, among other things, the following tasks:

• analysis of functions and program organization;
• development of functional relationship diagrams;
• the layout of areas by functions;
• schematic arrangement of the areas in the form of a plan;
• location of the building;
• diagram of interior and exterior circulations;
• general guidelines for the selection of materials and systems.

2° Preliminary plans and specifications: This phase consists of clarifying the chosen design.
The preliminary plans and specifications include, among other things, the following tasks:

• analysis of the plan components in order to determine the possibilities to carry out the design;
• preparation of architectural plans at a suitable scale – plans of every floor, sections, elevations and typical details required for clear understanding of the project;
• preparation of preliminary specifications for the materials and the finishes to be used;
• decisions regarding the structure and the choice of systems;
• preparation of a cost estimate for the work based on the preliminary specifications.