New vendors must complete a MnDOT vendor form (PDF) to be added to the MnDOT vendor table on Bid Express. Email completed MnDOT vendor forms to biddocsubmittal.A Request for Proposals (RFP) from the Minnesota Department of Commerce is a formal invitation to potential contractors or grantees to submit a proposal. TO BE COMPLETED BY OSP and returned to State Project Manager. Request for bid form. This guide will help you understand and navigate the qualification process for MnDOT bid letting so you can successfully win new projects. Complete digital contract bidding documents for Public Works projects are available for purchase online through Quest Construction Data Network (QuestCDN). Addendum. An addition or modification to the RFQ or RFP made during the procurement process. Alternative Technical Concept (ATC). In order to submit a bid for a transportation project on One Office, potential bidders will need to follow the below steps.