All course materials for the new training season will be posted soon. Please check back later.
Print or download the listed course materials, and bring them to class.
Concrete Strength Tester Certification (CSTC)
This is NOT an ACI certification but a MnDOT only. See https://www.concrete.org/ for ACI information.
Prerequisites for certification
- None
Expiration and recertification options
- This certification expires after five seasons.
- There is no recertification course.
- To maintain certification, you must complete the full certification course again to be certified
Class logistics
- Learning mode: In person for classroom and lab
- 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, location, and directions. Time will be provided for on- or off-site lunch. No meals or beverages will be provided.
- 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, the online exam, or the performance exam, contact Suzanne Johnsrud, 218-428-1002, to discuss possible accommodations.
- Summary: CST Certification Summary (PDF)
- Professional development hours (PDHs): 6
- Lake Superior College course credits possible: 1 (you must complete an LSC course credit form)
What to bring to class
Print and bring to class
- CSTC Class Agenda (PDF)
- CSTC Classroom Packet (PDF)
Print and bring to class (or download the files on a laptop or tablet you're bringing)
- Concrete Strength Tester Certification Training Manual (PDF)
Reference books/manuals to bring (hard copy or electronic)
- None
Also bring to class
- Calculator
- Paper and pencil/pen
- Laptop/tablet (recommended)
- Face mask (for health and safety, if needed)
- Lunch and beverages to eat/drink if you plan on site
- Hard toed shoes (required) and safety glasses (recommended)
About the certification exams
You must pass both the written and performance exams to become certified.
Written exam process
- You will have 90 minutes to complete the 25 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 noon on 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)
- Procedures and documentation (15%)
- Specific test procedures (85%)
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
- You will complete a pass/fail performance exam during the class.