Submit your bid prior to the bid end date. Once the date and time passes, the bid will disappear.Most bid events require you to enter unit pricing. The system will automatically calculate your total bid price. 12. Data ownership and privacy. Explain data ownership for data entered or transferred to the IRB management system. 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. Each invitiation to bid is posted on our website and can be found under the section titled "Current Solicitations". The DPW will set a box up for the bidder to deposit the sealed proposal.