The City's current and past bids, including all bid documents, questions and answers, addenda, and final results, are available on Biddingo. Craft persuasive bid proposals for construction projects with this comprehensive guide.Explore key components, from project overview to pricing details. , how it will actually be done. 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. License Requirement: Class A General Engineering Contractor. Prevailing Wage is Required. Focus on your potential customer and what you can provide them.