Find information about contracting with Hennepin County, including processes, forms, and diversity rules for goods and biddable services. One (1) original, twenty (20) photocopies, and twenty (20) CD's in PDF format of the proposal are required.Data ownership and privacy. Explain data ownership for data entered or transferred to the IRB management system. What should be included in a data entry proposal letter? All pages should be single sided. • Use the Cover Page that is provided in the Bid Proposal (posted on the IDOT Web Site) as the first page of your submitted. Discover what a bid proposal is, the elements of a bid proposal, how to create one and a template and example that can guide you. Each invitiation to bid is posted on our website and can be found under the section titled "Current Solicitations". It is the bidder's responsibility to ensure the sealed proposal is delivered before the bid opening and bidders.