Complete directions, provisions, requirements, plans and specifications for the performance of a public project. A sample of the insurance exhibit included in the standard Sacramento County agreement follows this page.How to Write a Bid Proposal. Crafting a successful bid proposal involves more than filling out a bid request template. Acceptance of the purchase order constitutes a binding contract. Request for Proposals (RFP). The following are the required Proposal sections that must be submitted as part of the bid. Current Bidding Opportunities.