What is a construction proposal? What to include in a construction proposal.2, State of Ohio Standard Requirements for Public Facility Construction, EDGE Sub Calculation. 3. Download our free construction estimate template for contractors to quickly estimate construction project costs, markups, and send customized proposals. This RFP provides details on what is required to submit a. Proposal for the Work, how the State will evaluate the Proposals, and what will be required of the. Customize Buildertrend's pre-designed templates to create professional proposals.