DDC uses open Requests for Proposals (RFP) for most of our design and construction management contracts. RFPs are open to all interested firms.In this blog, we will teach you how to write an effective construction proposal that stands out from the competition. General instructions and forms are linked below. To post a Proposal or Bid Notice, sign in or register your organization and follow the step-by-step submission process. In this article, learn how to customize a construction proposal template that you can use when participating in bids.