How do I submit a bid or proposal? All formal bids and proposals shall be submitted as specified in the solicitation document.Obtaining a building permit prior to construction or installation. Engineering reviews all site plans, preliminary and final plats, special use permits and construction documents for all new development projects in the City. 9 and continue through summer 2024, with traffic restrictions beginning the week of Oct. 16. Once the "Ed Spec" is complete and our Governing Board approves the project and its budget, Requests for Proposals are issued. Generally, we allow three to four. ADOT has several planned improvement projects on the State Route 347 corridor between Interstate 10 and State Route 238 in the city of Maricopa.