Independent Assurance Sampling & Testing Schedule
Our Schedule of Independent Assurance Sampling and Testing (IAST) 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.
Current IAST Schedule
Arrangements must be made with the District Materials Engineer for scheduling independent assurance visits to comply with project requirements.
- 2020 IAST Protocol (PDF) - Effective April 13, 2020
- 2017 IAST Protocol (PDF) - Effective July 1, 2017
Independent Assurance Manual
- Independent Assurance Manual (PDF) - Effective April 2018
Independent Assurance Inspector Group
Contact the MnDOT District Independent Assurance Inspector (PDF) when project starts to provide the proper servicing of your project.
Archived IAST schedules
- 2013 IAST Protocol (PDF)
- 2012 IAST Protocol (PDF)
- 2011 IAST Protocol (PDF)
- 2010 IAST Protocol, use 2009 IAST
- 2009 IAST Protocol (PDF)
- 2008 IAST Protocol (PDF)
- 2007 IAST Protocol (PDF)