Aggregate Testing Technician—Level 1

Scope and Knowledge: This program requires demonstration of the knowledge and hands-on skills covered on the Job Task Analysis (JTA): JTA for ACI Aggregate Testing Technician—Level 1 The JTA is a detailed list of specific points of knowledge and skills that may be included in the examinations for this ACI Certification program. ACI urges candidates to use the JTA to prepare for the certification exams. The program requires a working knowledge of the following AASHTO/ASTM standards: AASHTO R 90-18/ASTM D75-03 – Standard Method of Test for Sampling of Aggregates AASHTO R 76-16/ASTM C702/C702M-11 – Standard Method of Test for Reducing Samples of Aggregate to Testing Size AASHTO T 11-05(13)/ASTM C117-13 – Standard Method of Test for Materials Finer than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing AASHTO T 27-14/ASTM C136-06 – Standard Method of Test for Sieve Analysis of Fine and Coarse Aggregates AASHTO T 85-14/ASTM C127-12 – Standard Method of Test for Specific Gravity and Absorption of Coarse Aggregate AASHTO T 84-13/ASTM C128-12 – Standard Method of Test for Specific Gravity and Absorption of Fine Aggregate AASHTO T 255-00(12)/ASTM C566-97(04) – Standard Method of Test for Total Evaporable Moisture Content of Aggregate by Drying AASHTO T 21/T 21M-15/ASTM C40/C40M-11 – Standard Method of Test for Organic Impurities in Fine Aggregates for Concrete Certification Requirements: ACI will grant certification only to those applicants who meet both of the following requirements: A passing grade on the ACI written examination, and Successful completion of the ACI performance examination. The two-hour written examination is open-book and consists of approximately 100 multiple-choice questions. There are 8 to 12 questions on each standard. To pass the written examination, both of the following conditions must be met: At least 60% correct for each of the required standards, and A minimum score of 70% overall. The performance examination is closed-book and requires actual demonstration of the required standards. The examinee is judged on his/her ability to correctly perform or describe all of the required procedures for each standard. Certification is valid for a period of five years from the date of successfully completing all requirements. Recertification requires successful completion of both the written and performance examinations.