How do I submit a bid or proposal? All formal bids and proposals shall be submitted as specified in the solicitation document.You must be registered to view solicitations, download bid documents and view bid results. Engineering reviews all site plans, preliminary and final plats, special use permits and construction documents for all new development projects in the City. These links will connect you with the latest transportation-related bid and procurement opportunities from ADOT and a variety of state and local agencies. Search 164 U.S. and Canadian government construction services contracts for bid in Maricopa County (AZ) that GovWin IQ is tracking. The bid or Request for Proposal will be designed to be competitively bid following all MCCCD Purchasing guidelines and allowing maximum competition. Construction bids are quite lengthy and should contain as much information as possible regarding the project and what will be required of the contractor.