Materials Quality Assurance

The Quality Assurance (QA) Section of the ADOT Materials Group is committed to ensuring the highest-quality standard for materials sampling and testing throughout the state of Arizona.

The QA section performs these functions:

Manages the Annex Facility for the repair, fabrication and calibration of materials testing equipment
Develops, revises and issues materials for the quality-assurance manual and materials test methods
Inspects all ADOT and ADOT approved independent laboratories to ensure proper test methodology and equipment
Conducts the ADOT proficiency sample program
Maintains AASHTO accreditation of the Central Materials Laboratory
Assures that adequate and precise materials testing is performed in compliance with specifications on each ADOT project
Maintains a directory of ADOT approved materials testing laboratories
Works in conjunction with the Arizona Technical Training Institute (ATTI) and the American Concrete Institute (ACI) to ensure quality materials sampling and testing through technician certification
Provides input and expertise for materials-related areas
Administers the ADOT Radiation Safety Program

Materials Quality Assurance Program

Designation	Published Date	Title
Quality Assurance Program Manual	November 7, 2023	Materials Quality Assurance Program Manual
Appendix A	January 17, 2014	Certification Acceptance Quality Assurance Requirement
Appendix B	January 17, 2014	Final Certification of Materials for Consultant Administered Projects
Appendix C	July 14, 2023	Sampling Guide Schedule
Appendix D	January 17, 2014	Code of Federal Regulations (23 CFR 637, Subpart B) "Quality Assurance Procedures for Construction"
QAP Contractor Performed Acceptance	November 24, 2020	Quality Assurance Program for Project Utilizing Contractor Performed Acceptance
Policy and Practices 19b (PPD-19b)	June 23, 2023	ADOT System For The Evaluation Of Testing Laboratories