The applicant must submit a financial bid in a separate envelope from the proposal document. The Bidding Requirements consist of the Invitation to Bid, Instructions to Bidders,.Contractors wanting to bid on items included in a particular letting must submit the properly completed "Request for. Bidder must provide one (1) copy of the Proposal form. Bidder must only submit bid information in the designated areas of the Proposal form. Craft persuasive bid proposals for construction projects with this comprehensive guide. Explore key components, from project overview to pricing details.