The Bid Proposal Form template is available for free. There are no charges for using this template to gather and evaluate proposals from potential contractors.How do I submit a bid or proposal? All formal bids and proposals shall be submitted as specified in the solicitation document. Check government websites for RFPs and associated bid proposal samples. Here, you'll find details about contracting opportunities, vendor qualifications, proposals and how to bid on projects. Obtain a Surety Bond. The ADOT construction contract you are bidding likely requires a surety bid bond or other proposal guaranty. This Invitation to Bid can be used for construction procurement.