Increasingly, residential and commercial owners are choosing remodeling and expansion over new construction. Contractors working in this segment of the market are accustomed to planning for limited access to the site, odd working hours, and the unique problems of doing construction in a structure while it's in use. However, even the best remodeling contractors will encounter unexpected site conditions, for which they will seek additional compensation from the owner. But owners are generally not responsible for physical conditions not indicated on the drawings. Typically, an owner provides drawings and specifications to the contractor and sets aside time for the contractor to inspect the building. During this inspection, the contractor is generally able to evaluate factors that may potentially affect the work, the