Construction and Materials

Materials Quality Assurance

The Quality Assurance (QA) Section of the ADOT Materials Group is committed to insuring 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
 QA Program  January 17, 2014 Materials Quality Assurance Program
 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  March 31, 2017 Sampling Guide Schedule
 Appendix D  January 17, 2017 Code of Federal Regulations (23 CFR 637, Subpart B) "Quality Assurance Procedures for Construction"
Certificates of Materials
 Designation Published Date Title
 Certificates  November 2, 2016 Certificate Requirement


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Civil RightsTitle VI of the Civil Rights Act of 1964, and the Americans with Disabilities Act (ADA)

Pursuant to Title VI of the Civil Rights Act of 1964, and the Americans with Disabilities Act (ADA), ADOT does not discriminate on the basis of race, color, national origin, age, sex or disability. Persons that require a reasonable accommodation based on language or disability should contact ADOT’s Civil Rights Office at civilrightsoffice@azdot.gov. Requests should be made as early as possible to ensure the State has an opportunity to address the accommodation.

De acuerdo con el título VI de la Ley de Derechos Civiles de 1964 y la Ley de Estadounidenses con Discapacidades (ADA por sus siglas en inglés), el Departamento de Transporte de Arizona (ADOT por sus siglas en inglés) no discrimina por raza, color, nacionalidad, edad, género o discapacidad.  Personas que requieren asistencia (dentro de lo razonable) ya sea por el idioma o por discapacidad deben ponerse en contacto con la Oficina de Derechos Civiles en civilrightsoffice@azdot.gov. Las solicitudes deben hacerse lo más pronto posible para asegurar que el equipo encargado del proyecto tenga la oportunidad de hacer los arreglos necesarios.