In this article, our DuPage County construction lawyers explain some of the most important clauses in general contractor agreements and other construction classes. We discuss the importance of a clear scope of work clause. We explain the different types of contract prices including lump sum pricing, unit pricing, cost of work plus contractor’s fee, and time and materials. We explain liquidated damages for delay in completion of construction contracts and describe how change orders work. Finally, we explain payment bonds and performance bonds.