Proposers will need a BidX account, have an approved digital ID, submit a request to bid with WSDOT, then download the bid file in advance. The Washington State Department of Commerce hereafter called "COMMERCE," is initiating this.All communications concerning this RFP must be directed only to the RFP Coordinator designated in Section B, Table 9, via email. Discover Washington RFP opportunities with Bid Banana. Learn how to secure government contracts and grow your business in the Evergreen State. Project-specific request for proposals (RFP) – Use the MRSC. Consultant Roster to send out an RFP and request for qualifications. Writing a compelling bid for a Request for Proposal (RFP) requires careful attention to detail and strategic planning. Here are essential steps to follow. The purpose of this Request for Proposals (RFP) is for the George Washington Regional Commission (GWRC) to solicit proposals to establish a single contract.