The Hot Mix Asphalt (HMA) Level 2 Job Mix Technician course is intended to cover the concepts and preparation procedures of HMA job mix formula (JMF). Individuals who complete this course will be certified to perform HMA Level 2 Job Mix Technician duties for SCDOT projects. Each participant is responsible for performing mathematical calculations related to the JMFs. The instructors for the course are made up of knowledgeable asphalt industry consultants, academia, contractors and SCDOT representatives.
To become certified, participants are required to attend a two-and-a-half (2 ½) day course, pass a written exam (open book and open notes) with a score of 80% or higher, perform a full JMF preparation in the presence of the SCDOT Asphalt Materials Unit personnel at OMR in Columbia, and submit proof of enrollment in the AASHTO AMRL Proficiency Sample Program. Topics covered include:
Entry Requirements/What to Expect:
On a yearly basis, to maintain certification and to continue to be able to submit JMFs to SCDOT, each HMA Level 2 Job Mix Technician must submit the results of his/her annual AMRL proficiency samples to Tri-County Technical College via email at conted.tctc.edu with a subject of "SCDOT AMRL results". See the SCDOT Technician Certification Policy for more details.
Electronic versions of the course materials are available below. However, course materials can be updated at any time, and these electronic materials may not be the most updated version. The most updated version of the course materials is distributed to all course registrants on the first day of the course.
Section 1 - HMA Level 2 Slide Presentation
Section 2 - HMA Level 2 SCDOT Specs Slide Presentation
Section 3 - Problems
Other SCDOT Resources(*Note)
Note: Other materials in the manual for this course are not posted here because of periodic updates by SCDOT. Those materials include selected sections of the SCDOT Standard Specifications, SCDOT Supplemental Specifications, and SCDOT Test Procedures. The most updated versions of all of those materials may be found on the SCDOT website (www.scdot.org).