Concrete Laboratory Testing Technician - Level 2

Certification Programs

Concrete Laboratory Testing Technician - Level 2

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A Concrete Laboratory Testing Technician—Level 2 is an individual who has demonstrated the knowledge and ability to properly perform, record, and report the results of advanced laboratory procedures for aggregates and concrete.

Scope and Knowledge:
The program requires a working knowledge of the following ACI and ASTM documents:

  • ACI 214R—Evaluation of Strength Test Results of Concrete*
  • ACI 211.1—Selecting Proportions for Concrete*
  • ASTM C192/C192M—Making and Curing Concrete Test Specimens in the Laboratory [This standard also requires the knowledge and ability to perform ASTM C143/C143M (Slump), C173/C173M and C231/C213M (Air Content), C138/C138M (Unit Weight), and C1064/C1064M (Temperature).]
  • ASTM C470/C470M—Molds for Forming Concrete Test Cylinders Vertically*
  • ASTM C496/C496M—Splitting Tensile Strength of Cylindrical Concrete Specimens*
  • ASTM C42/C42M—Obtaining and Testing Drilled Cores and Sawed Beams of Concrete*
  • ASTM C157/C157M—Standard Test Method for Length Change of Hardened Hydraulic-Cement Mortar and Concrete

*Written exam only

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

  1. Have at least one year (2000 hours) of approved work experience or a combination of work experience and education, AND
  2. Hold current certification as an ACI Concrete Laboratory Testing Technician—Level 1, and
  3. Obtain a passing grade on the ACI written examination, AND
  4. Successfully complete the ACI performance examination.

The two-hour written examination is open-book and consists of approximately 75 multiple-choice questions. There are between eight and 12 questions on each of the documents.

To pass the written examination, both of the following conditions must be met:

  1. At least 60% correct for each of the required standards, AND
  2. A minimum score of 70% overall.

The performance examination is closed-book and requires actual demonstration of ASTM Practices C192/C192M and C157/C157M. The examinee is judged on his/her ability to correctly perform all of the required steps for each standard procedure.

Recertification is necessary every five years and requires fulfillment of the ACI Concrete Laboratory Testing Technician—Level 1 requirements and successful completion of both the written and performance examinations.

Study Material:
Go to the ACI Bookstore on this website to order and/or obtain current pricing on any items listed below:

CP–18, 7th Ed.: Technician Workbook for ACI Certification of Concrete Laboratory Testing Technician—Level 2

This workbook contains information about the ACI Concrete Laboratory Testing Technician—Level 2 certification program, study questions, sample checklists, and a practice exam as well as reprints of all of the resource materials referenced by the certification examinations.

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