Create a detailed construction bid proposal to highlight your expertise and increase your chances of being selected for projects. Find RFP searches and finds website design bids, contracts, and request for proposals.Get started with clean and pre-made templates that are sure to save time and simplify your work. Be as detailed as possible. In this article, we will delve into what bid proposals are, how they work and some best practices for proposing bids in the construction industry. Construction contractors interested in performing construction contracts with the department must first complete the Vendor Registration process. BidContract compiles an up-to-date database of website design bids and contracts.