Ready to prepare your bid for submission? Explore County contracting opportunities in goods, services and construction.Use the table below to explore contract opportunities for goods and services. AHA utilizes the Bonfire e-procurement platform to host all competitive solicitations. Bidders must be based in Alameda County to bid on this project. Gov no later than the date specified in the RFP timeline. Content and Format), may be considered complete and generally responsive, if evaluation in every criterion is possible. Request for proposals. Cost Proposal for Services: a. The bid proposal must comply with all requirements contained in the RFP.