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Construction Extranet


SCDOT's Construction Extranet web site provides vendors (i.e., Prime Contractors, Sub-Contractors and other vendors) a way to download and view construction plans for upcoming lettings. It also provides vendors a means of communicating their desire to receive or send quotes to other vendors for upcoming construction projects. In addition, for active prime contractors, the site provides a way to download and upload SiteXchange files.

For existing users click the login button below.

To request an account, click the button below.

few helpful tips for logging into the Extranet site are listed below. If you are still having trouble please fill out the form below and someone will assist you as soon as possible.

  • Remember that passwords are case sensitive (i.e., check caps lock)
  • The Construction Extranet works best with Internet Explorer 5.5 Service Pack 2 or later
  • High speed broadband Internet connection is highly recommended
If you are still having trouble logging in,forgot your password or have questions on using the Construction Extranet, please Email Us and someone will contact you as soon as possible.