Tel: (386) 788-9899

5545 Benchmark Lane

  sanford, FL 32773

ctqp qualification:

  • Initial Qualification Requirements:
    • Qualified CTQP Aggregate Base Testing Technician
    • Pass LBR Written exam
  • Re-Qualification Requirements:
    • Same as Initial Qualification
  • Manual Revision, 9/3/2008:
    • The date of qualification shall be the date the last qualification requirement was satisfied. 
    • The CTQP Qualification shall expire in 60 months from date of completion of the final LBR exam or expire on the date of expiration of the ACI Aggregate Base Testing Technician certification, whichever is earlier.

course objective:

To ensure personnel responsible for testing or inspecting mineral aggregates and soils are knowledgeable with appropriate testing methods.

course subject matter:

  • The Moisture Density Relation of Soils using a 5.5 pound Rammer and a 12 inch Drop (AASHTO T-99)
  • The Moisture Density Relation of Soils using a 10 pound Rammer and an 18 inch Drop (AASHTO T-180)
  • Limerock Bearing Ratio (FM 5-515)
  • Laboratory Determination of Moisture Content of Granular Soils by Use of a Microwave Oven (FM 5-535)

Open Book Exam.  Allowed up to 1 Hour to Complete the Written Exam.‚Äč

exam requirements:

Written Exam Required. Proficiency Exam is NOT Required.

Course duration:

Two Days, including course and exam.

Full Course & Exam(s)
Written Exam OnlyProficiency Exam Only


LBR Technician