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.Bid Request Form (MS Word . All bids must be submitted electronically via Bid Express. Minnesota law mandates that contracts for new-home construction and home improvement projects include statutory warranties against defects. Use a construction proposal template to automate the creation of contracts and make sure you never put the wrong name or figure in a proposal again. Interested parties must create a Bids and Tenders account in order to submit proposal documents. Documents are not provided or received in any other manner.