Class Schedule

The TDOT Aggregate Technician is an individual who can demonstrate the knowledge of and ability to interpret the results of aggregate tests as well as perform calculations necessary to report the data from each test.

Scope of Course

AASHTO - R 90/ASTM D75 - Sampling of Aggregates

AASHTO - R 76/ASTM C702 - Reducing Samplesof Aggregate to Testing Size

AASHTO - T 255/ASTM C566 - Total Evaporable Moisture Content of Aggregate by Drying

AASHTO - T 11/ASTM C117 - Materials Finer Than 75-mm (No.200) Sieve in Mineral Aggregates by Washing

AASHTO - T 27/ASTM C136 - Sieve Analysis of Fine and Coarse Aggregates

AASHTO - T 84/ASTM C128 - Specific Gravity and Absorption of Fine Aggregate

AASHTO - T 85/ASTM C127 - Specific Gravity and Absorption of Coarse Aggregate

AASHTO - T 104/ASTM C88 - Soundness of Aggregates by Use of Sodium or Mangesium Sulfate

AASHTO - T 96/ASTM C131 - Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine

• Tuesday, May 21, 2024 from 8:00 AM to 4:30 PM (21 seats left)TDOT Region 4 Auditorium

The TDOT Aggregate Technician is an individual who has demonstrated the knowledge of and ability to interpret the results of aggregate tests as well as perform calculations necessary to report the data from each test.

Scope of Course

The program requires a working knowledge of the following AASHTO/ASTM Standards:

• AASHTO R 90/ASTM D75 - Sampling of Aggregates

• AASHTO R 76/ASTM C702 - Reducing Samples of Aggregate to Testing Size

• AASHTO T 255/ASTM C566 - Total Evaporable Moisture Content of Aggregate by Drying

• AASHTO T 11/ASTM C117 - Materials Finer Than 75-mm (No. 200) Sieve in Mineral Aggregates by Washing

• AASHTO T 27/ASTM C136 - Sieve Analysis of Fine and Coarse Aggregates

• Tuesday, May 21, 2024 from 8:00 AM to 4:30 PM (2 seats left)TDOT Region 4 Auditorium

The TDOT Concrete Field Testing Technician is an individual who can demostrate the knowledge of and avalibility to perform concrete field tests for acceptance or quality control.

Scope of Course

• AASHTO T 309/ASTM C1064 - Temperature of Freshly-Mixed Portland Cement Concrete
• AASHTO T 141/ASTM C172 - Sampling Freshly-Mixed Concrete
• AASHTO T 119/ASTM C143 - Slump of Hydraulic Cement Concrete
• AASHTO T 121/ASTM C138 - Unit Weight, Yield, and Air Content (Gravimetric) of Concrete
• AASHTO T 153/ASTM C231 - Air Content of Freshly-Mixed Concrete By the Pressure Method
• AASHTO T 196/ASTM C173 - Air Concrete of Freshly-Mixed Concrete by the Volumetric Method
• AASHTO T 23/ASTM C31 - Making and Curing Concrete Test Specimens in the Field
• ASTM C1611/1621/1758 - Self Consolidating Concrete

• Wednesday, May 22, 2024 from 8:00 AM to 4:30 PM (10 seats left)TDOT Region 4 Auditorium

This Concrete Certified Field Recertification is a one day in person course consisting of course review and exam. Demonstration will be scheduled for another date and notification will be sent.

• Wednesday, May 22, 2024 from 8:00 AM to 4:30 PM (13 seats left)TDOT Region 4 Auditorium

• January 27 - 30, 2025 beginning @ 10 AM CST on the first day. (14 seats left)TDOT Region 3 Auditorium
• February 10 - 13, 2025 beginning @ 10 AM CST on the first day. (21 seats left)TDOT Region 3 Auditorium

This three-day course is designed to provide both TDOT roadway inspectors and private contractors with a working knowledge and understanding of proper techniques for constructing Hot Mix Asphalt pavements with quality and efficiency according to TDOT specifications.

Scope of Course

The course requires a working knowledge of the following:

• TDOT Standard Specification 407 - Bituminous Plant Mix Pavements
• Project Organization and Communication
• Surface Preparation
• Hot Mix Asphalt Delivery
• Hot Mix Asphalt Placement
• Joint Construction
• Compaction
• Density, Quality Control, and Quality Assurance
• Local Issues, Troubleshooting, and Problem Solving

Prerequistes for TDOT Employees

To successfully complete this certification, employees must possess basic background knowledge of Departmental Practices. Paving, and Mathematics. All employees on a paving project are not required to have the cerification, supervisors are encouraged to allow their technicians some on the job training of a paving project under the supervision of a certified HMA Roadway Technician prior to enrolling them in the class.

Employees enrolling in this class must meet the minumum requirements:

• 6 months working with the Department
• Supervisor's approval and recommendation that employee has a basic understanding of :
  • Departmental Practices
  • HMA Paving
  • Math Including:
    • Basic Arithmetic
    • Order of Operations
    • Percentages

• Tuesday, May 14, 2024 from 9:00 AM to 4:30 PM (full)TDOT Region 4 Auditorium
  This class continues on:
  Wed 5/15/24 from 9:00a to 4:30p
  Thu 5/16/24 from 9:00a to 11:30a
  

This course provides an overview of Hot Mix Asphalt, mix design and verification testing, and TDOT Mix related specifications.

Who is required to have this course?

• Each mix design submitted by the contractor must be prepared and signed by a certified TDOT Asphalt Mix Design. (TDOT Specification 407.03.C.1)
• TDOT Materials and Tests employees that will be conducting verification testing for mix designs.
• In general this specification is not required for TDOT Operations personnel

Scope of Course

• AASHTO T 2 - Standard Practice for Sampling Aggregates
  
• AASHTO T 11 - Materials Finer than No. 200 Sieve in Mineral Aggregates by Washing.
• AASHTO T 27 - Sieve Analysis of Fine and Coarse Aggregates
• AASHTO T 84 - Specific Gravity and Absorption of Fine Aggregate
• AASHTO T 85 - Specific Gravity and Absorption of Coarse Aggregate
• AASHTO T 166 - Bulk Specific Gravity of Compacted Bituminous Mixtures Using   Saturated Surface-Dry Specimens
• AASHTO T 176 - Plastic Fines in Graded Aggregates and Soils by Use of the Sand Equivalent Test
• AASHTO T 209 - Theoretical Maximum Specific Gravity and Density of Bituminous Paving Mixtures
• AASHTO T 245 - Resistance to Plastic Flow of Bituminous Mixtures Using Marshall Apparatus
• AASHTO T 248 - Reducing Samples of Aggregate to Testing Size
• AASHTO T 304 - Uncompacted Void Content of Fine Aggregate
• AASHTO T 308 - Determining the Asphalt Binder Content of Hot Mix Asphalt (HMA) by the Ignition Method
• AASHTO TP 4 - Standard Method for Preparing and Determining the Density of Hot Mix Asphalt (HMA) Specimens by means of teh Superpave Gyratory Compactor
• ASTM D 4867 - Standard Test Method for Effect of Moisture on Asphalt Concrete Paving Mixture
• ASTM D 4791 - Standard Test Method for Flat Particles, Elongated Particles, or Flat and Elongated Particles in Coarse Aggregate
• TDOT Test Method for Glassy Particles in Slag
• TDOT Test Method for Fractured Face Count for Marshall Mixes
• TDOT Test Method for Loss on Ignition for Surgace Mixes
• TDOT Test Method for Ten Minute Boil Test for Anti-Stripping Dosage Rate

TDOT Employees

• Completion of Hot Mix Asphalt QA/C Level 1 and Level 2
  
• Minimum of 1 year with the Department
• Supervisor's approval and written recommendation that employee is:
  • Has general knowledge of asphalt mix laboratory testing
  • Familiarity with applicable TDOT Standard Specifications
  • Has a need to be certified as an Asphalt Mix Design Technician

Certification Requirement

TDOT will grant a 5 year certification only to those applicants who meet the following requirements:

• Attendance of the 4-Day Course in its entirety
• Successful completion of a 4 hour maximum examination with a passing score of 70% or above. (The exam is OPEN book)
• Successful Lab Demonstration for Regional Materials and Tests Personnel

• February 24 - 28, 2025 beginning @ 10 AM CST on the first day. (25 seats left)TDOT Region 3 Auditorium

Below is a list of our current on-line testing options. During registration you will be asked to choose which exam you want to take.

• Hot Mix Asphalt Roadway Technician Recertification - Open Book

The below two courses are being offered to NEW and Recertifying Technicians as well.

• Radiation Safety & Nuclear Gauge Technician (TDOT ONLY) - Open Book
• Nuclear Gauge Technician (CEI) - Open Book

Registration Tips

• Use the Technicians email address during registration.
• Provide the Technicians cell phone number.
• Use the organizations address (not the Technicians).

Payment Tips

• The credit card owner’s information will pre-populate with the Technicians information. If this is incorrect, please overwrite this information. DO NOT USE any punctuation in these fields.
• IMPORTANT!! The address used for the credit card information MUST match the address on the credit card statement. If a different address is used, the card will be denied.

Exam Session Information

A GOVERNMENT ISSUED PHOTO ID IS REQUIRED AND SHALL BE PROVIDED TO THE PROCTOR PRIOR TO RECEIVING ACCESS TO THE EXAM 

You are required to login to the MS Teams Meeting for the entire exam session. The Session will start promptly @ 9 AM Eastern, 8 AM Central.

Late arrivals will not be accommodated.

• Thursday, May 16, 2024 from 9:00 AM to 11:00 AM (3 seats left)On-Line