The first thing you want to include in the bid proposal page is your price. Next, reference the bid documents used to develop the best price.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. Held customary practice in the construction industry in the State of Ohio. Your construction bid should be formatted formally. What is a construction proposal? What to include in a construction proposal. The following forms shall be uploaded with each bid (print the form from the IFB, complete, and scan into Bid Express):.