ABOUT IDOT PROPOSALS: All proposals are potential bidding proposals. Each proposal contains all certifications and affidavits, a proposal signature sheet and a proposal bid bond. PREQUALIFICATION.Below is a list of forms and information that may be required to complete a Request for Proposal Response. Corporation, partnership, sole proprietorship). Using a sample bid proposal template makes it easier to ensure all essential details are included. Complete FORM H CONTRACTOR'S PROPOSAL. Complete FORM I – PROPOSED ADJUSTMENT FACTORS.