Arizona Chapter
American Concrete Institute

ACI Concrete Strength Testing Technician Certification and Written/Performance Retest

  • 23 Aug 2024
  • 3:30 PM
  • 24 Aug 2024
  • 12:00 PM
  • Western Technologies - 3480 S Dodge Tucson, AZ 85713
  • 7


  • For ADOT personnel registering using an ADOT purchase order number
  • An individual member, or an employee of a corporate member of the Arizona Chapter of ACI (an employee must be registered by a company representative who has a log in for this site)
  • This is for those who have taken the exam and failed. You have one year from the first fail date to pass. No limit to how many times you can take it in that one year.
  • This is a Retest ONLY for the performance exam of the Strength Testing Technician Certification. This can be taken within one year of failing the test the first time. All others need the full Certification Session.
  • For those who have failed the written exam and need to retake. This can be done within one year of failing the test the first time. All others need the full certification session.


ACI Concrete Strength Testing Technician Certification

This is a two day program that includes a 2 to 4 hour review session on Friday afternoon and the written and performance exams on Saturday morning. The package price includes the review, the exams, all certification fees and the ACI workbook for this program (CP-19).  For those needing a re-test, you will attend the Saturday morning exam session only at 8:00 a.m..   Please note, Certification IS NOT TRAINING.  It is the responsibility of the technician to obtain proper training and experience before taking these exams.  

Register on-line here by clicking on the "Register" button at the bottom left side of this page.

A Concrete Strength Testing Technician is an individual who has demonstrated the knowledge and ability to properly perform, record, and report the results of four basic laboratory procedures related to the determination of concrete compressive and flexural strength.

Scope and Knowledge:
The program requires a working knowledge of the following ASTM practices and test methods:  You are responsible for obtaining the ASTM standards for study purposes.  They are no longer printed in the study manual.

  • C617/C617M—Capping Cylindrical Concrete Specimens
  • C1231/C1231M—Unbonded Caps for Concrete Cylinders
  • C39/C39M—Compressive Strength of Cylindrical Concrete Specimens
  • C78/C78M—Flexural Strength of Concrete

Job-task analysis (JTA) for ACI Certification of Concrete Strength Testing Technician

Certification Requirements:
ACI will grant certification only to those applicants who meet both of the following requirements:

  1. A passing grade on the ACI written examination, and
  2. Successful completion of the ACI performance examination.

The one-hour written examination is closed-book and consists of approximately 40 multiple-choice questions. There are at least eight questions on each of the practices and test methods. To pass the written examination, both of the following conditions must be met:

  1. At least 60% correct for each of the required practices and test methods, and
  2. A minimum score of 70% overall.

The performance examination is also closed-book and requires actual demonstration of the required practices and test methods. The examinee is judged on his/her ability to correctly perform all of the required steps for each procedure. Recertification is necessary every five years* and requires successful completion of both the written and performance examinations.

*NOTE: Certifications initiated prior to January 1, 2008, were granted certification for six years. Due to a policy change, however, individuals initiating the certification process January 1, 2008, and later will be certified for five years.  Proper PPE must be worn during exams and review sessions.  Face protection, safety glasses, long pants/sleeve shirt, closed toe shoes and gloves.  You many not be denied your exam if not in proper attire.  If you are feeling sick, please do not come and reschedule with the ACI office.


Americans with Disabilities Act (ADA)

ACI Certification programs are ADA compliant.

Individuals with disabilities requiring special accommodations must contact the ACI Certification Department for further information on how to proceed. All requested for special accommodations under ADA are handled on a case-by-case basis and must be made allowing enough time for evaluation and appropriate action by ACI.  To contact he contact the ACI Certification Department regarding ADA issues, call 248-848-3790.  This must be done prior to attending any certification program offered by our Chapter


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