Through a partnership with the American Concrete Institute (ACI), the Colorado Ready Mixed Concrete Association (CRMCA) administers ACI Certifications. Follow the links below for more detailed information and to register for your ACI Certification.
Please Note: Workbooks are not included in exam registration and must be purchased separately. Workbooks may be purchased at any time at the link below.
Important Update: Our Cancellation and Transfer policies have been updated. Cancellation and Transfer requests must be received with no less than 5 business days’ notice before the Exam or Training date to be eligible for a refund. To view our full Cancellation and Transfer policies, please visit CRMCA’s FAQ page.
Unless otherwise noted all certifications listed below are NOT training classes and are administered in English. Self-study is required.
REGISTRATION PROCESS CHANGE
We have a brand new registration system for Certifications and Events!
- There is one registration link for the entire year.
- We will still open sessions for registration around the 1st and 15th of each month roughly 6 weeks prior to the Exam date, you will just see them added to the main registration form.
- We will add a list of the sessions open for registration below so you can see what’s available at a glance.
- When you submit a registration, whether for yourself or someone else, the registration details will be available to you in your account and you will receive all necessary communications.
- If you are entering a registration on behalf of someone else, they will also receive communications and be able to view their past and upcoming registrations.
- In order to register someone else YOU MUST USE THEIR EMAIL ADDRESS for the registration. You can use a personal email if a company email isn’t available.
Full 2025 ACI Certification Schedule
ACI Workbook Order Form
WORKBOOKS ARE NOT INCLUDED IN EXAM REGISTRATION*. If you would like to receive a Workbook, it must be purchased separately.
*The Full Inspector certification courses INCLUDE the workbook when scheduled. Please see the CCSI or CTCI certification registration for detailed information.
A Concrete Field Testing Technician – Grade I is an individual who has demonstrated the knowledge and ability to properly perform and record the results of seven basic field tests on freshly mixed concrete. Once all portions of the exam are passed, the certification is valid through ACI for 5 years. CRMCA does not keep record of certifications or results.
This is NOT a training session
REGISTRATION PROCESS CHANGE REMINDER
See above for more details
- When you submit a registration, whether for yourself or someone else, the registration details will be available to you in your account and you will receive all necessary communications.
- In order to register someone else YOU MUST USE THEIR EMAIL ADDRESS for the registration. You can use a personal email if a company email isn’t available.
Click Here to Register for ACI Field 1 Exams
Opened for Registration |
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02.25.2025 (Rescheduled from 02.12.2025) |
02.27.2025 [DURANGO] – FULL |
03.12.2025 |
03.19.2025 |
03.27.2025 [GRAND JUNCTION] |
(Registration opens roughly 6 weeks before each exam date, around the 1st & 15th of the month)
Upcoming Dates |
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04.16.2025 |
04.23.2025 |
05.14.2025 |
05.16.2025 [GLENWOOD SPRINGS] |
05.20.2025 [COLORADO SPRINGS] |
05.22.2025 [GREELEY] |
05.28.2025 |
06.11.2025 |
08.27.2025 |
09.03.2025 |
09.24.2025 |
09.30.2025 [COLORADO SPRINGS] |
10.02.2025 [GREELEY] |
10.08.2025 |
11.05.2025 |
11.19.2025 |
12.03.2025 |
12.10.2025 |
The Field 1 Training provides an opportunity for new and existing personnel to understand basic field concrete testing procedures and why they are necessary. The training will encompass the seven (7) ASTM Standards contained within the ACI Field Concrete Testing Technician certification, which is required for most testing technicians on nearly all project sites. The training is not required prior to registration of a certification session for individuals, though is highly recommended as an introduction and/or refresher on the requirements of the certification. The one-day course full of both in class presentation and hands-on practice is free to CRMCA members. This training does NOT include the study manual or exam.
REGISTRATION PROCESS CHANGE REMINDER
See above for more details
- When you submit a registration, whether for yourself or someone else, the registration details will be available to you in your account and you will receive all necessary communications.
- In order to register someone else YOU MUST USE THEIR EMAIL ADDRESS for the registration. You can use a personal email if a company email isn’t available.
Click Here to Register for ACI Field 1 TRAINING
Opened for Registration |
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02.28.2025 [GRAND JUNCTION] |
(Registration opens roughly 6 weeks before each training, around the 1st & 15th of the month)
Upcoming Dates |
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04.24.2025 |
09.04.2025 |
10.09.2025 |
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 ASTM laboratory procedures related to the determination of concrete compressive and flexural strength.
REGISTRATION PROCESS CHANGE REMINDER
See above for more details
- When you submit a registration, whether for yourself or someone else, the registration details will be available to you in your account and you will receive all necessary communications.
- In order to register someone else YOU MUST USE THEIR EMAIL ADDRESS for the registration. You can use a personal email if a company email isn’t available.
Click Here to Register for ACI Strength Exams
Opened for Registration |
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02.27.2025 [DURANGO] – FULL |
03.13.2025 |
03.28.2025 [GRAND JUNCTION] |
(Registration opens roughly 6 weeks before each exam date, around the 1st & 15th of the month)
Upcoming Dates |
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05.15.2025 |
08.28.2025 |
11.06.2025 |
12.04.2025 |
An Aggregate Testing Technician – Level 1 is an individual who has demonstrated the knowledge and ability to properly perform and record the results basic field and laboratory procedures for aggregates. Once all portions of the exam are passed, the certification is valid through ACI for 5 years. CRMCA does not keep record of certifications or results.
REGISTRATION PROCESS CHANGE REMINDER
See above for more details
- When you submit a registration, whether for yourself or someone else, the registration details will be available to you in your account and you will receive all necessary communications.
- In order to register someone else YOU MUST USE THEIR EMAIL ADDRESS for the registration. You can use a personal email if a company email isn’t available.
2025 ACI Aggregate Testing Technician Level 1 Exam Registration
Opened for Registration |
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THERE ARE NO SESSIONS CURRENTLY OPEN FOR REGISTRATION |
(Registration opens roughly 6 weeks before each exam date, around the 1st & 15th of the month)
Upcoming Dates |
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04.17.2025 |
05.29.2025 |
10.01.2025 |
11.20.2025 |
An Aggregate 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. ACI states individuals must possess a current certification as an Aggregate Testing Technician – Level 1 to grant certification of Aggregate Testing Technician – Level 2. CRMCA recommends registrants already be certified as an Aggregate Testing Technician – Level 1 prior to scheduling this certification. Once all portions of the exam are passed, the certification is valid through ACI for 5 years. CRMCA does not keep record of certifications or results.
REGISTRATION PROCESS CHANGE REMINDER
See above for more details
- There is one registration link for the entire year.
- When you submit a registration, whether for yourself or someone else, the registration details will be available to you in your account and you will receive all necessary communications.
- In order to register someone else YOU MUST USE THEIR EMAIL ADDRESS for the registration. You can use a personal email if a company email isn’t available.
2025 ACI Aggregate Testing Technician Level 2 Exam Registration
Opened for Registration |
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(Registration opens roughly 6 weeks before each exam date, around the 1st & 15th of the month)
Upcoming Dates |
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06.05.2025 |
12.04.2025 |
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. ACI states individuals must possess a current certification in ACI Concrete Laboratory Testing Technician – Level 1. A person having concurrent certifications in ACI Concrete Strength Testing Technician and Aggregate Testing Technician – Level 1 is equivalent to the Laboratory Testing Technician – Level 1 certification. Individuals must also have one year (2000 hours) of work experience in concrete and concrete aggregate laboratory testing. Please see the Work Experience Form to complete and submit your experience requirements. Once all portions of the exam are passed, the certification is valid through ACI for 5 years. CRMCA does not keep record of certifications or results.
REGISTRATION PROCESS CHANGE REMINDER
See above for more details
- There is one registration link for the entire year.
- When you submit a registration, whether for yourself or someone else, the registration details will be available to you in your account and you will receive all necessary communications.
- In order to register someone else YOU MUST USE THEIR EMAIL ADDRESS for the registration. You can use a personal email if a company email isn’t available.
2025 ACI Laboratory Testing Technician Level 2 Exam Registration
Opened for Registration |
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(Registration opens roughly 6 weeks before each exam date, around the 1st & 15th of the month)
Upcoming Dates |
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06.04.2025 |
12.11.2025 |
An Aggregate Base Testing Technician 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 fine aggregates and soils. Once all portions of the exam are passed, the certification is valid through ACI for 5 years. CRMCA does not keep record of certifications or results.
REGISTRATION PROCESS CHANGE REMINDER
See above for more details
- There is one registration link for the entire year.
- When you submit a registration, whether for yourself or someone else, the registration details will be available to you in your account and you will receive all necessary communications.
- In order to register someone else YOU MUST USE THEIR EMAIL ADDRESS for the registration. You can use a personal email if a company email isn’t available.
2025 ACI Aggregate Base Testing Technician Exam Registration
Opened for Registration |
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(Registration opens roughly 6 weeks before each exam date, around the 1st & 15th of the month)
Upcoming Dates |
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06.04.2025 |
12.11.2025 |
A Concrete Flatwork Associate (formerly Concrete Flatwork Technician) is an individual who has demonstrated the knowledge (via a written examination) on proper procedures to place, consolidate, finish, edge, joint, cure, and protect concrete flatwork.
A Concrete Flatwork Finisher (formerly Concrete Flatwork Tradesman) is an individual who has demonstrated the knowledge (via a hand-on performance examination) necessary to place, consolidate, finish, edge, joint, cure, and protect concrete flatwork, but lacks sufficient work experience to qualify as a concrete flatwork finisher.
An Advanced Concrete Flatwork Finisher (formerly Concrete Flatwork Finisher and Technician) is a craftsman who has demonstrated the knowledge AND skills and/or experience necessary to place, consolidate, finish, edge, joint, cure, and protect concrete flatwork.
CRMCA does not keep record of certifications or results.
Note, the in-person courses offered include a half-day refresher/review prior to the written exam only. The CRMCA does NOT provide the on-hands performance exam to meet the requirements of a Concrete Flatwork Finisher. If the appropriate work experience is met, an individual can complete the written exam and complete the Experience Form (prior to their scheduled session) to obtain the title Advanced Concrete Flatwork Finisher. For more information on the certification or the certification requirements, please click here. Please see the Work Experience Form to complete and submit your experience requirements. If you’d need to schedule a group or individual from your company for either the review/exam or just the exam, please contact email us at aci@coloradocaa.org.
REGISTRATION PROCESS CHANGE REMINDER
See above for more details
- When you submit a registration, whether for yourself or someone else, the registration details will be available to you in your account and you will receive all necessary communications.
- In order to register someone else YOU MUST USE THEIR EMAIL ADDRESS for the registration. You can use a personal email if a company email isn’t available.
Click Here to Register for ACI Flatwork Associate Exams
Opened for Registration |
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03.26.2025 [GRAND JUNCTION] |
04.03.2025 |
(Registration opens roughly 6 weeks before each exam date, around the 1st & 15th of the month)
Upcoming Dates |
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10.23.2025 |
A Self-Consolidating Concrete Testing Technician is an individual who has demonstrated the knowledge of and ability to properly perform five standard test methods and practices on self-consolidating concrete.
Please contact CRMCA Program Manager, JT Mesite or 720-272-6592, with questions regarding scheduling this certification.
A Specialty Commercial/Industrial Concrete Flatwork Finisher & Technician is a person who has demonstrated a basic knowledge of finishing procedures for Specialty Commercial/Industrial Concrete Flatwork Finishing, including high tolerance floor construction, application of surface treatments, and silica fume concrete, and who has demonstrated skill in operating mechanized finishing equipment. A Technician lacks sufficient work experience and verified skills needed to qualify as a Specialty Commercial/Industrial Concrete Flatwork Finisher & Technician.
A Decorative Concrete Flatwork Finisher is a craftsman who has demonstrated knowledge about and the ability to place, finish, cure, and protect decorative concrete flatwork. An Associate lacks sufficient work experience to qualify as a Decorative Concrete Flatwork Finisher. Please see the Work Experience Form to complete and submit your experience requirements.
Please contact CRMCA Program Manager, JT Mesite, with questions regarding scheduling this certification. The availability of this certification is dependent on demand.
A Concrete Construction Special Inspector is a person qualified to inspect and record the results of concrete construction inspection based on codes and job specifications. The program covers inspection during preplacement, placement, and post-placement operations.
“Full” includes registration, the ACI CP-21 reference package, a 4-day training/refresher course prior to exam day, and certification if a passing grade is obtained. “Written Only” and “Plans Only” include only the administration of the appropriate portion of the exam. Please see the Work Experience Form to complete and submit your experience requirements.
Registration for our 2025 training and exam will open in early March. Please check back then to register.
A Concrete Transportation Construction Inspector is a person who has demonstrated proficiency in concrete inspection methods for transportation projects, including preplacement, placement, and post-placement operations. A Concrete Transportation Construction Inspector-in-Training is a person who has demonstrated knowledge in concrete inspection methods for transportation projects, but does not have the experience required to qualify as an ACI Concrete Transportation Construction Inspector.
“Full” includes registration, the ACI CP-31 reference package, a 3-day training/refresher course prior to exam day, and certification if a passing grade is obtained. “Written Only” and “Plans Only” include only the administration of the appropriate portion of the exam. Please see the Work Experience Form to complete and submit your experience requirements.
Registration for our 2025 training and exam will open in early March. Please check back then to register.
A Construction Inspector Certification is required for any person who inspects concrete pavement on CDOT projects. For CDOT concrete paving projects, either the ACI Concrete Transportation Construction Inspector or this course will be accepted.
- Visit ACPA CO/WY for details on this certification
If you previously took a certification exam but did not pass either one or both portions, you are able to register to retake the exam.
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- If the last attempt was completed in 2024, follow the same registration process that you would for a first time registration as detailed above.
- If you are registering yourself to a take a retest and this will not be your first attempt this year, follow a similar process to your first registration but this time click the “Modify My Registration” option and then click “Add to my registration”. Proceed normally to complete the registration. Please be sure to double check the total due to confirm that you are only being charged for your newest registration and that any appropriate discounts have been applied. If you believe your total is incorrect, please take a screenshot of the page showing the incorrect total and email it to aci@coloradocaa.org so we can assist, including in the email the date and exam you are attempting to register for so we can take a look.
- If you are registering someone else for a retest and you previously registered them to take their latest attempt this year, your process will be different. You will still follow the same link you would to access the registration page for any other registration, but you will not click the gold “Register” button to proceed. Instead, follow these steps:
- Click on your name in blue in the upper right corner of the registration site for the selected exam.
- Click on My Events.
- Click on the My Events drop-down and select the name of the person whose additional registration you are trying to complete.
- If this person has been registered for more than one exam topic (i.e., Field 1, Strength, Agg 1, etc.) or for other CRMCA/CSSGA events, you may see multiple rows listed for them. Click the gold Details button next to the exam topic you need to register them for.
- Click Modify Registration Selections
- Proceed normally to complete the registration.
Please be sure to double check the total due to confirm that you are only being charged for your newest registration and that any appropriate discounts have been applied. If you believe your total is incorrect, please take a screenshot of the page showing the incorrect total and email it to aci@coloradocaa.org so we can assist, including in the email the date and exam you are attempting to register for so we can take a look.
A few things to note:
- Registration for an exam through the CRMCA only covers one attempt. If you need to retake an exam, whether in full or in part, you do have to register for the exam and there is a cost associated.
- Individuals must pass both the written and the performance exams, as appropriate, within one year of each other to be considered for certification.
- CRMCA does not score exams or maintain results. If you are unsure of which portion of an exam you need to retake, please contact ACI at aci.certification@concrete.org or (248) 848-3790 to verify your results.
For special scheduling requests, please contact us at aci@coloradocaa.org. All requests must be received in writing.