Craft persuasive bid proposals for construction projects with this comprehensive guide. Explore key components, from project overview to pricing details.DDC uses open Requests for Proposals (RFP) for most of our design and construction management contracts. RFPs are open to all interested firms. You must submit a completed Bid Proposal (Bid Form A-1, Page 15) and a completed Bid Bond with your Bid. To post a Proposal or Bid Notice, sign in or register your organization and follow the step-by-step submission process. Create a detailed construction bid proposal to highlight your expertise and increase your chances of being selected for projects.