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Certification Class Descriptions

MDOT Class 1 ~ ACI Concrete Field Testing Technician, Grade 1

This class covers field testing of fresh concrete. ACI Grade 1 certification is valid for five years and then must be renewed. Grade 1 certification covers the following procedures:

        ASTM C172            Sampling

        ASTM C143            Slump

        ASTM C138            Unit Weight

        ASTM C173            Air Content Volumetric Method

        ASTM C231            Air Content Pressure Method

        ASTM C31              Molding Cylinders

        ASTM C1064          Temperature  

Space is limited to 80-100 participants. This two-day course involves a full day of classroom instruction. The following day will start with written testing and will then move to the MDOT Whitfield Project Office for field testing. Certification is only granted to those who pass both written and performance testing. This course is a pre-requisite for MDOT Class 3.


MDOT Class 2 ~ ACI Aggregate Testing Technician, Level 1

ACI Aggregate Testing, also called MDOT Class 2, is for a technician performing any of the following tests on aggregates for concrete:

·    Sampling Aggregates

·    Reducing Samples of Aggregate to Testing Size

·    Materials Finer than No. 200 Sieve in Mineral Aggregates by Washing

·    Sieve Analysis of Fine & Coarse Aggregates

·    Specific Gravity & Absorption of Coarse/Fine Aggregate

·    Total Moisture Content of Aggregate by Drying

·    Organic Impurities in Fine Aggregate

 Space is limited to 20 per class on a first come, first served basis.

 

MDOT Class 3 ~ QC/QA Concrete Technician

This three-day specialized class includes two days of classroom instruction wrapping up on day 3 with a written test. No performance test is required. This class is open to all students but in order to receive Class 3 certification, students must also have prior certification in MDOT 1, MDOT 2, and Strength Testing.

Principles of Concrete Mixture Design – 804.02.10

¨    Master Proportion Table For Structural Concrete

¨    Previous Field Experience – 804.02.10.1.1

¨    Laboratory Trial Mixtures – 804.02.10.1.2

¨    Mixture Design Procedure – ACI 211

¨    Calculating Batch Weights

Materials for Concrete and Recent Changes to 907-804-13

¨    Cementitious Materials

¨    Admixtures

¨    Fibers

¨    Aggregates

¨    Combined Aggregate Gradation

Recent Changes to 907-804-13: Supplement to 907-804-13

¨    Requirements for Laboratory Trial Batch

¨    Slump Retention for Drill Shafts

¨    Admixture Adjustments

Proportioning of Portland Cement Concrete Mixture Design

Principles of Concrete Mixture Design – 804.02.10

¨    Master Proportion Table For Structural Concrete

¨    Previous Field Experience – 804.02.10.1.1

¨    Laboratory Trial Mixtures – 804.02.10.1.2

¨    Mixture Design Procedure – ACI 211

¨    Calculating Batch Weights

¨    Converting SSD to Dry

Adjusting Concrete Mixture Designs

¨    Adjusting Laboratory Mixtures

Concrete Mixture Design Submittals, Eforms, Field Verification, and Revisions
Design Submittal Requirements New Mixtures -  5.5.2

¨    Cementitious Material 

¨    Chemical Admixtures

¨    Aggregate

Design Submittal Requirements Transferred Mixtures - 5.5.3

¨    Electronic Mixture Design Submittal

Concrete Mixture Design Submittals, Eforms, Field Verification, and Revisions – Continued

Concrete Mixture Design Field Verification and Revisions

¨    Plastic Property Requirements – 5.6

¨    Aggregate Requirements

¨    Batching Requirements

¨    Field Verification Submittals

¨    Mixture Revisions

Special Concrete Mixtures for MDOT Projects

Flowable Fill – 631

¨    MDOT Specifications

¨    Mixture Design Considerations

¨    Laboratory and Field Tests

¨    Example Mix Design & Field Verification

Self-Consolidating Concrete – 804

¨    MDOT Specifications

¨    ASTM 1610 & ASTM 1611

¨    Mixture Design Considerations

¨    Laboratory and Field Tests

¨    Example Mix Design & Field Verification

Drill Shafts – 803

¨    MDOT Specifications

¨    Mixture Design Considerations

¨    Laboratory and Field Tests

¨    Example Mix Design & Field Verification

Grouts – 714.11

¨    MDOT Specifications

¨    Mixture Design Considerations

¨    Laboratory and Field Tests

Concrete Paving Mixtures – 501, 503, 504

¨    Section 501 – Portland Cement Concrete

¨    Section 503 – Replacement Concrete

¨    Section 504 – Ultra-Thin and Thin Portland Cement Concrete Pavement

Using Maturity to Estimate Strength Maturity Concept

¨    MDOT Requirements and Applications

¨    Laboratory Tests – ASTM C 1074

¨    Field Tests – AASHTO T 325 

 

ACI Concrete Strength Testing Technician

This program requires a working knowledge of the following ASTM Standards:

C 617      Capping Cylindrical Specimens
C 1231    Unbonded Caps for Concrete Cylinders
C 39        Compressive Strength of Cylindrical
                Concrete Specimens
C 78        Flexural Strength of Concrete

ACI will only grant certification to those applicants who have a passing grade on the ACI written examination as well as successful completion of the ACI performance examination.  The performance examination requires actual demonstrations of the required ASTM Standards.  Space is limited to 20 per class on a first come, first served basis.  This is now a two-day course which will comprise one full day of classroom instruction followed by a day for performance and written testing.

 



 

 

 



 


 

 

 

 

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