The Asphalt Institute’s Mix Design Technology Certification Course comes to Hawaii

Senior Regional Engineers Bob Humer and Danny Gierhart conducted the Asphalt Institute’s 3.5 day Mix Design Technology Certification (MDT) course.  14 people learned about the properties of the materials that compose asphalt mixtures, as well as the physical and mathematical processes involved in producing a successful asphalt mixture design.

The last day is reserved for an optional written certification exam. The exam, which is takes from two to four hours to complete, is designed to be challenging enough to allow only those students who have a good understanding of the design process to pass.

All participants received a certificate for 22 PDHs.  Those that passed the exam were also be presented with a certificate indicating they have earned the Asphalt Institute’s Mix Design Technology Certification.

HAPI appreciates the Asphalt Institute bringing their course to Hawaii saving all attendees the costs of airfare, ground transportation, room and board.  This the third that that this certification has been conducted in Hawaii.  The first time was in 2010 and more recently in 2015.

For a full description of the course, please go to

Photos from the 3.5 day course:

Refreshments and Lunch:

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