The quality of construction is of paramount importance for the safety of the public and for the proper stewardship of the revenues expended for infrastructure construction and maintenance. This page contains the most current Quality Control and Assurance documents and links that are relevant for material production, laboratory and field-testing, and construction installation within the public right-of-way.

Quality Control Administration Manual and Inspection Forms
The manual and forms are available for review in Adobe Acrobat PDF

Inter-Agency Quality Assurance Committee 
Qualified source lists for construction materials.

Table 1
Materials Frequency Table