Event Details

ACI Strength Testing Technician Certification

  • 12 Aug 2017
  • 6:45 AM - 1:00 PM
  • Argos Ready Mix Plant - 5511 Renwick Drive Houston, Texas 77081


  • This program includes a workshop, practice session and written and performance testing to Achieve ACI Strength Testing Technician Certification
  • This is for those who did not successfully pass the performance/hands on portion of the certification. This can be taken as many times as needed within one calendar year of failing this portion of the certification the first time.
  • In order to qualify for the reduced "Recertification" fee, recertification is defined by ACI as: A process undertaken prior to expiration of original certification by which a certified individual renews certification by successfully completing the current certification requirements.
  • The written exam portion only of the Strength Testing Technician program. Retesting can be taken as many times as needed within one calendar year of taking it the first time and did not pass. The entire test must be retaken.

Registration is closed

   ACI Strength Testing Technician Certification

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:

  • 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. 


Please download the attached Waiver and bring to class!!
  • NO REFUNDS FOR NO SHOWS!   24 Hour notice MUST be given for a ONE TIME Transfer of the Registration 

The workshop for the test will be held on August 05, 2017 beginning at 0645 at the Argos Ready Mix Plant.

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