Our mission is to support the design, construction and maintenance of City of Tucson system by constantly providing highly professional, timely and cost effective geotechnical, testing and pavement design information.
- Improve movement of people and products throughout City of Tucson.
- Increase the quality, timeliness and cost effectiveness of our products and services.
- Develop and retain a competitively paid, high performing, successful workforce.
- Optimize the use of all resources.
City of Tucson Materials Laboratory is certified by:
- Perform Asphaltic Concrete testing in accordance with Arizona (AZ) test methods and City Standard Specification.
- Perform Independent Assurance and correlation sampling, testing, and reporting in accordance with the Materials Quality Assurance Manual
- Review and approve hot asphalt mix designs
- Perform structural inspections of pre-stressed concrete girders
- Certify concrete cure
- Perform inspections and certify pre-cast concrete manhole cones/cover/rings, pipes and box culverts
- Test Portland cement concrete cylinders in accordance with ADOT Standard Specifications
- Review and approve Portland cement concrete and asphaltic concrete mix designs for construction.
- Perform pH, resistivity, sieve analysis, sand equivalent , etc tests of soils and aggregate materials in accordance with Arizona test methods
- Conduct the Radiation Safety Program in accordance with Department procedures, regarding construction organizations using nuclear gauges in the Region
- Materials Engineer provides technical assistance to project personnel, aids in Material issue escalations and has an active role in the development of Material Group Policy and Materials Specifications
- Perform field density tests for Asphalt Concrete, Soil and aggregates with Nuclear Gauges and Sand cones for Soil and aggregates.
- Perform sampling and testing of emulsified asphalt in accordance with AASHTO and Arizona test methods
The City Of Tucson / Materials Section is involved in interaction and relationships with the following:
- ADOT / Quality Assurance Section
- FHWA and other Federal agencies
- Contractors and contractor organizations
- Materials suppliers
- State agencies
- Pima County
- AASHTO and AMRL
- Asphalt user producer groups
- Transportation Research Board
- The general public