The architect prepares a series of rough sketches, known as schematic design, which show the general arrangement of rooms and of the site. Some architects also prepare models to help visualize the project. The homeowner approves these sketches before proceeding to the next phase. This is where the budget is developed further, and the project scope is adjusted to meet the budget. The architect prepares more detailed drawings to illustrate other aspects of the proposed design.
Floor plans show all the rooms in correct size and shape.
Outline specifications are prepared, listing the major materials and room finishes. Further budget development and conference with the architect to make sure that the project design is within budget. Services of this kind may be additional, charged hourly, since it includes one or more public hearings. Once the homeowner has approved the design and budget, the architect prepares detailed drawings and specifications, which the contractor will use to establish actual construction cost and build the project. These drawings and specifications become part of the building contract.