All course materials for the new training season will be posted soon. Please check back later.
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.
 
Bring to class
Device
- In-Person: Laptop or Tablet (Recommended)
 - Live-Virtual: Laptop or Tablet 
		  
		    
- For Live-Virtual, we strongly recommend using a computer or tablet. You will have a better experience to review course materials, presentations, chat, and more features compared to a phone.
 
 
Course Materials
Unless noted, all of the files below can be downloaded and brought to class on a device
- GBTR Class Agenda (PDF)
 - GBTR Classroom Packet (PDF)
 - Grading and Base Tester Certification Training Manual (PDF)
 
MnDOT References Needed
- None
 
Supplies
- Calculator
 - Paper and pencil/pen
 
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
 
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
 
