Contractor shall lead the activities of the AOC, Architect, and other project participants in a value analysis and verify the cost-effectiveness of the design. List of all current AIA Contract Documents.The County of Riverside (County) is offering an opportunity for professional consulting firms to submit a. The Owner, the Contractor and the Architect are those named as such in the Agreement. A free, downloadable contract template. We'll help you create a good contract that protects your work and sets clear expectations for every project.