Concrete Strength Testing Technician (Subject to Covid-19 Rescheduling)

May 14, 2021
8:00 AM - 4:30 PM
 Add to Calendar

Mayes Testing Portland
7911 NE 33rd Dr #200
Portland, OR 97211

Concrete Strength Testing Tech

Concrete Strength Testing Technician Classes:
Due to Covid-19 related issues, OACI is postponing all CSTT classes until we can safely resume. You can still register to get your workbook by clicking the link below, however classes will be delayed until safety protocols change. Those who have already registered are on a first come first serve list for upcoming classes once they resume. New registrations will be added to a waitlist in a first come first serve basis.
Click Here to Receive Your Workbook and Register for the Waitlist

This certification is for all personnel involved in laboratory testing of concrete. Knowledge of the following ASTM standards is required for this certification:

ASTM C39 - Test Method for Compressive Strength of Cylindrical Concrete Specimens

ASTM C78 - Test Method for Flexural Strength of Concrete (Using Simple Beam with Third- Point Loading)

ASTM C617 - Practice for Capping Cylindrical Concrete Specimens

ASTM C1231 - Practice for Use of Unbonded Caps in Determination of Compressive Strength of Hardened Concrete Cylinders

Attendee is responsible for providing their own 4” or 6” diameter cylinder and 6”X6”X20” minimum beam. (Extra beams are appreciated if you have them)

You must attend the mandatory test procedure review and bring the Technician Workbook CP-19. The procedure review will include an oral presentation and ACI videotapes. Participants are strongly encouraged to review the Technician Workbook including the ASTM procedures and become familiar with typical test samples & equipment in advance of the program (available in Spanish).

(A service fee of $35 will be charged for no shows) *Based on both exams being taken during the same program.


8:00 am - Noon Procedure Review
Noon - 12:30 pm Lunch (Provided)
12:30 pm - 1:30 pm Written Exam
1:30 pm - 4:30 pm Performance Exams