American Concrete Institute
Aggregate Testing Technician – Level 1
In order to attain ACI Certification as a Concrete Aggregate Testing Technician, you must successfully complete both the ACI written and performance examinations.
An Aggregate Testing Technician—Level 1 is an individual who has demonstrated the knowledge and ability to properly perform, record, and report the results of basic field and laboratory procedures for aggregates.
Who Should Attend
This program is for anyone who tests concrete in the field; testing lab technicians, contractor quality control personnel, architect/engineer inspectors and ready mixed concrete personnel. The examinee must be familiar with test procedures, come prepared to demonstrate knowledge and ability to perform these tests and be dressed for working with concrete.
Typically, the agenda for the course follows this schedule:
Scope and Knowledge
This program requires demonstration of the knowledge and hands-on skills covered on the Job Task Analysis (JTA):
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:
- T 2/D75—Sampling Aggregates
- R 76/C702—Reducing Samples of Aggregate to Testing Size
- T 11/C117—Materials Finer Than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing
- T 27/C136—Sieve Analysis of Fine and Coarse Aggregates
- T 85/C127—Specific Gravity and Absorption of Coarse Aggregate
- T 84/C128—Specific Gravity and Absorption of Fine Aggregate
- T 255/C566—Total Moisture Content of Aggregate by Drying
- T 21/C40—Organic Impurities in Fine Aggregate for Concrete
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.
A picture ID is required to attend the course.
Registrants are advised to bring pencils and a calculator.
Safety gear is required: steel-toe shoes, and safety glasses.
Bring water and dress appropriately for the weather.
Mobile devices are not allowed during the test.
Course and Test Management
The ACI Certification Program is conducted by a local sponsoring group. This group is the Oklahoma Ready Mix Concrete Association and is responsible for scheduling and conducting all review courses and examination sessions, payment of all bills and establishment and collection of all registration fees. The ACI Certification Department assists the local sponsoring group in setting up the program and manages the daily operation of the program. This includes the publication and distribution of all books and exams, grading, maintenance of certification records and issuance of a certification to successful candidates.
Study materials will be sent upon receipt of registration and payment of fees. You will not be considered registered until payment is received.
Cancellations and Rescheduling
If a registrant is unable to attend, retests must be scheduled for one of the next two sessions. Reschedules must be received two weeks prior to the test date for the registrant to reschedule at no penalty. If less than 2 weeks notice is given, a $100 administrative fee will be charged and must be paid before reschedule is processed.
No Call, No Show to the exam will forfeit the entire exam registration fee.
Registrant Substitutions can be made at any time without penalty.
If a test is canceled by ORMCA due to weather, illness, or other reason, ORMCA's responsibility will be limited to the return of registration fees only or reschedule at no penalty to the registrant.