Print or download the listed course materials, and bring them to class.
Grading and Base Tester Recertification (GBTR)
Prerequisites for certification
- Your Grading and Base Tester Certification must still be current for you to take the recertification course.
Expiration and recertification options
- This certification expires after five seasons.
- A recertification must be completed before the end of the fifth training season.
- If your certification has recently expired and you have relevant work experience, you may apply to regain MnDOT certification through a Recently Expired Certification Exam. Otherwise, you must take the initial certification course again to regain certification.
Class logistics
- Learning mode: live virtual, via Zoom.
- If you need to register: Learn about the certification process and then register for the class.
- Logistics: See the Registration Confirmation and Class Reminder emails from Lake Superior College for class dates, time, Zoom links, and directions.
- Learning differences and accommodations: If you have a disability or learning issue, either permanent or temporary, which might affect your ability to perform in a class or on the online exam, contact Suzanne Johnsrud, 218-428-1002, to discuss possible accommodations.
- Summary: GBT Certification Summary (PDF)
- Professional development hours (PDHs): 6
- Lake Superior College course credits possible: 0
What to bring to class
Print and bring to class
Download on a laptop or tablet you’re bringing to class (or print)
Reference books/manuals to bring (hard copy or electronic)
- None
Also bring to class
- Calculator
- Paper and pencil/pen
About the certification exams
Written exam process
- You will have 90 minutes to complete the 30-question written exam online.
- You must score 70% or higher to pass; if you score 60-69%, you may request a retest.
- The exam will open for you at the end of the last day of class.
- You must complete the exam within one week after it is open for you, meaning the same day the following week.
- Find your exam to take it once it is open for you.
Written exam topics (approximate percentage of exam)
- Content knowledge needed for the work (15%)
- Procedures and documentation (40%)
- Specific test procedures (45%)
Materials allowed during the written exam
This is an open book exam. You may use the training manual and all other course materials during the exam. A calculator is provided within the online exam.
Performance exam
- None