MCDOT has business opportunities for vendors, contractors and consultants to provide goods, contract activities and services to the department.

Consultants & Contractors

MCDOT posts all invitations for bid and/or requests for qualifications at You must be registered to view solicitations, download bid documents and view bid results.  As a registered consultant or contractor, you will receive notification of solicitation opportunities each time a formal solicitation for the commodity codes you identified is issued. 

A formal solicitation is defined as a bid or proposal with an estimated value of $500,000 or greater. The Register List is also used to identify potential consultants for informal solicitations having a value of less than $250,000 for architect and $500,000 for Professional Services. 

Additional instructions for registering on BidSync and how to respond to a bid can be found on our Vendor Registration page.

Upcoming Projects

View a list of upcoming construction and consulting projects for MCDOT that are not yet out for bid.

Forms & Additional Information

General Information 

Invoice Procedure Steps & Related Forms

  1. Submit a complete Payment Request
  2. Avoid these errors
    • Generation of Payment Request prior to completion of work
    • Excluding dates of service
    • Omitting breakdown of professional services or work performed
    • Incorrect rates (invoicing does not match contract fee proposal)
    • Matriculation discrepancies
  3. Know your contract, work assignment, and certificate of insurance expiration dates
    • Contract has expired
      • A COP (Certificate of Performance) is required to close contract; or
      • A CO (Change Order) is required to extend time and increase contract amount if necessary
    • Work Assignment has expired
      • A COP (Certificate of Performance) is required to close the work assignment; or
      • An Amendment is required to extend time and increase work assignment amount if necessary
    • Certificate of Insurance has expired
      • All work must cease until insurance certificate is renewed
  4. Remember the following
    • No verbal agreements are permitted
    • All work assignments must be completed before the anticipated completion date of the work assignment and prior to the expiration of the contract
    • A COP must always accompany a full and final invoice
    • Items not included in the contract fee proposal must be adjusted by change order before the work assignment begins