If you bill yourself as a "design-build" company, you're probably asked not only to design new houses from the ground up, but also to make modifications to plans customers bring into your office. These "stock" house plans often need tweaking to comply with your local code — changing the foundation type, making the stairs longer, or moving the garage doors off the street. You may also see lots of pages torn out of plan books, with customers asking you to incorporate this or that detail from one plan into another. You might even be asked to draw up a set of plans from scratch based on a photograph or floor plan a customer has clipped out of