Earthwork Construction Inspection Level 1 (CTQP)
The Earthwork Construction Inspection Level 1 course is designed to train technicians, inspectors, and construction professionals in the proper procedures for inspecting, sampling, and testing earthwork materials in accordance with Florida Department of Transportation (FDOT) specifications and CTQP requirements.
This course focuses on developing the essential skills required to ensure that soil materials, embankments, subgrades, and base layers meet quality standards and comply with contract documents. Earthwork is a critical component of roadway and infrastructure construction, and proper inspection is necessary to guarantee structural stability, safety, and long-term performance.
Through this training, participants gain the ability to safely and effectively perform field testing and inspection activities that support project acceptance and quality control processes.
Course Overview
The Earthwork Construction Inspection Level 1 training provides a comprehensive introduction to field inspection procedures related to soil and earthwork construction. Participants learn how to sample materials directly from the roadway, perform density testing, and accurately record results using FDOT-approved documentation systems.
A key objective of this course is to ensure that technicians can collect and analyze field data related to soil density and moisture content, which are essential factors in determining whether materials meet project specifications. Proper compaction and moisture control directly impact the durability and performance of the roadway structure.
The course also introduces participants to the use of specialized equipment such as nuclear density gauges and moisture testing devices. Trainees learn how to operate, maintain, and verify these tools to ensure accurate test results and compliance with safety standards.
What You Will Learn
Throughout the training, participants develop both theoretical knowledge and practical skills necessary for field inspection. Key topics include:
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Safe and effective sampling of soil materials from the roadway
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Performing in-place density testing using the nuclear method (FM 1-T 238)
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Determining moisture content using the calcium carbide pressure tester (Speedy test)
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Understanding moisture-density relationships and compaction principles
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Recording and reporting test results using FDOT Density Data Forms and Earthwork Records System (ERS)
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Maintaining and calibrating nuclear density gauges
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Identifying issues related to improper compaction, moisture imbalance, or material variability
Participants also learn how to interpret test results and ensure that earthwork operations meet contract specifications and project requirements.
Certification Requirements
To obtain the Earthwork Construction Inspection Level 1 certification, trainees must meet the CTQP qualification requirements established by FDOT. These include:
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Holding a valid nuclear radiation safety certificate (required for operating nuclear density gauges)
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Successfully passing the Earthwork Level 1 written examination
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Successfully passing the Earthwork Level 1 proficiency examination, demonstrating competency in required field testing methods
The proficiency exam requires participants to demonstrate practical skills in key Florida Methods, including density testing, moisture determination, and proper reporting procedures.
Once all requirements are completed, the trainee’s qualification is recorded in the CTQP database. The certification remains valid for five (5) years (60 months), after which requalification is required to maintain active status.
Training Format and Duration
The Earthwork Construction Inspection Level 1 course is typically delivered as a one-and-a-half-day training program, combining classroom instruction with hands-on practice.
On the second day, participants complete both the written and proficiency examinations. While attendance in the training course is highly recommended to ensure success, it may not always be mandatory for qualification depending on the provider.
Who Should Take This Course
This course is ideal for professionals involved in earthwork and roadway construction, including:
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Field inspectors and construction technicians
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Quality control and verification personnel
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Contractors working on FDOT infrastructure projects
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Engineers and project managers overseeing earthwork operations
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Individuals seeking CTQP certification in earthwork inspection
It is particularly beneficial for entry-level technicians, as the qualification is designed to be achievable with minimal prior experience while still providing essential industry skills.
Why This Course Matters
Earthwork serves as the foundation for all roadway and structural construction. Improper compaction, incorrect moisture levels, or inaccurate testing can lead to settlement, structural failure, and costly repairs.
By completing the Earthwork Construction Inspection Level 1 course, participants gain the expertise needed to ensure that all earthwork activities are performed correctly and in compliance with FDOT standards. This improves project quality, reduces risk, and enhances overall construction performance.
Certified technicians play a critical role in the success of infrastructure projects by ensuring that materials meet specifications and that all testing procedures are properly executed and documented.
Career Benefits
Obtaining the Earthwork Construction Inspection Level 1 certification opens the door to career opportunities in construction, transportation, and infrastructure development. Certified professionals are in high demand due to their ability to perform essential field testing and ensure compliance with strict quality standards.
This certification also serves as a foundation for advancing to higher-level qualifications, such as Earthwork Level 2, and expanding your role within the construction industry.



