Follow the proposal format included in the RFP. For some proposals, that may entail filling out a form with specific questions.Find information about contracting with Hennepin County, including processes, forms, and diversity rules for goods and biddable services. The Bidding Requirements consist of the Invitation to Bid, Instructions to Bidders,. The County will use a two-phase procurement process to select a Contractor to deliver the Project. Application Content. Proposals will be received in the Hennepin County supplier portal. To help you make your request, you can use our sample request form (PDF) View. 3. The sheriff's office will inform you of the redemption amount. Hennepin County - Purchasing Dept.