Log in to the online system and complete the bid or proposal. In order to submit a bid, you must first register with the Supplier Portal.The Bidding Requirements consist of the Invitation to Bid, Instructions to Bidders,. Award: The acceptance of a bid or proposal resulting in a contract with a bidder. Strictly speaking the proper term is "contract award"; however, the term "bid. Hennepin Healthcare has several areas of contracting, including submitting proposals or bids and other procedures for contracting. Contractors wanting to bid on items included in a particular letting must submit the properly completed "Request for. Vendor must complete the Affidavit of Non collusion (Appendix II) and include it with its RFP response. 4.