All Prospective Vendors submitting a proposal must be subscribed to this RFP on the City's bidding website prior to the due date and time. Scope: The consultant will develop preliminary cost estimates for further planning, design, construction and maintenance costs of the project.All Prospective Vendors submitting a bid must be subscribed to this bid on the City's bidding website prior to the bid opening. 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. CONTRACT DOCUMENTS - Each bid shall be in accordance with all of the Contract Documents. Learn how to write a bid proposal for construction projects step-by-step. Elevate your bidding game and start winning projects more today. Craft persuasive bid proposals for construction projects with this comprehensive guide. Explore key components, from project overview to pricing details.