The prime focus of these contracts has been to provide qualified Caltrans Test Method (CTM) certified materials testing technicians in support of Caltrans staff in the Caltrans North and South Bay Materials Labs including cities of Pleasant Hill, Petaluma, Hayward, San Mateo, and Livermore. As many as eight (8) technicians have been assigned concurrently since 2008.

Signet provided construction quality assurance, material sampling, testing and inspections support for asphalt, aggregate, soil, concrete slump, air content and unit weight, grout, steel piping, and various other CTM materials tests as required by Caltrans needs. In addition, assistance was provided to the owner’s construction management team with inspection of river levee strengthening, concrete/grout piling and inspections of large diameter pipeline installation welding, liners and mechanical appurtenances.