Fee includes ACI study guide, written and performance exams.

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 aggregates and soils.

Scope and Knowledge:

This program requires demonstration of the knowledge covered on the Job Task Analysis (JTA):

JTA for ACI Aggregate Base Testing Technician Certification

The JTA is a detailed list of specific points of knowledge 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 and/or ASTM standards:

  • AASHTO R 90/ASTM D75—Sampling Aggregates
  • AASHTO T 248/ASTM C702—Reducing Samples of Aggregate to Testing Size
  • AASHTO R 58/ASTM D421*—Dry Preparation of Disturbed Soil and Soil-Aggregate Samples for Test
  • AASHTO T 89/ASTM D4318—Determining the Liquid Limits of Soils
  • AASHTO T 90/D4318—Determining the Plastic Limit and Plasticity Index of Soils
  • AASHTO T 88/ASTM D422—Particle Size Analysis of Soils
  • AASHTO T 265/ASTM D2216—Laboratory Determination of Moisture Content of Soils
  • AASHTO T 180/ASTM D1557—Moisture-Density Relations of Soils Using a 4.54-kg (10-lb) Rammer and a 457-mm (18-in.) Drop
  • AASHTO T 99/ASTM D698—Moisture-Density Relations of Soils Using a 2.5-kg (5.5-lb) Rammer and a 305-mm (12-in.) Drop


User agrees to abide by the terms, conditions, and copyright laws that govern ASTM standards. ASTM workbooks are to be used solely for the purpose of this ACI certification course and are not to be reproduced, distributed, or shared with others. User agrees to print only one ASTM workbook for each student registered for ACI Intermountain Chapter certification courses.


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Aggregate/Soils Base Testing Technician-Chapter Non-Member

Price: $540.00
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