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Materials Project Certification

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17th Annual TERRA Pavement Conference

The presentations and other information are currently available online.


Schedule of Materials Control

The Schedule of Materials Control outlines the minimum sampling and testing rates required for most materials used in MnDOT highway construction. It is inserted into project proposals, and is project specific.


Lab Testing & Inspections Rates

Rates Memo: MnDOT performs sampling, testing, & inspections for State, County, City, and other governmentally funded transportation projects. Other governmental agencies are required to reimburse MnDOT for this work. This is outlined in the Sampling, Testing, & Inspections Memo. (PDF 137KB).


Current Rates: (Effective June 1, 2014) for sampling, testing, & inspection are outlined in the Laboratory, Field Testing, and Inspection Rates (PDF 49KB).


Former rates through May 31, 2014 (PDF 93KB).


IAST Program

MnDOT's Schedule of Independent Assurance Sampling and Testing Protocol is used by Independent Assurance Personnel on all Federal Aid Construction Projects. The Independent Assurance Program provides a check on testing equipment and procedures for construction projects.


Independent Assurance Inspector Group

Contact the MnDOT District Independent Assurance Inspector (PDF, 17KB) when project starts to provide the proper servicing of your project.


Materials Links

Materials Manuals

Mn/DOT Resources

Materials Project Certification


The Mn/DOT Pavement Engineer will call a meeting of the Grading and Base, Concrete and Bituminous Units to determine the project certifications to be reviewed for the past year. Materials Compliance Review Procedure


Project criteria for rating includes the following:


2008 Materials Review

Annual Materials Certification Compliance Review Letter


Materials Certification

Project Reviews include the following:

Materials Certification Project Compliance Summary Checklist


Project Certification

Project Material Certification Forms List and Definitions
Materials Certification Exceptions Summary (TP-02171-04)
Materials Certification Exceptions Definitions

Bituminous Material


Explanation of Project Cert Summary Forms
Project Certification Summary (Excel file)
Project Certification Summary for Bituminous Contractor (Word Doc)
Project Certification Summary for Bituminous Agency (Word Doc)
Project Certification Summary for Concrete Field (Word Doc)
Project Certification Summary for Concrete Plant (Word Doc)
Project Certification Summary for Grading and Base (Word Doc)
Project Certification Summary for Miscellaneous Items (Word Doc)

Project Certification Summary Personnel Listing (Word Doc)