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- Caltrans SIAD - Home Page
The SIAD serves as a central repository for statewide Independent Assurance (IA) data pertaining to IA staff, testing personnel, and laboratories The database provides instant access to statewide IA accreditations, certifications and proficiencies
- Caltrans SIAD - Search Technicians - California
AASHTO PP3: Rolling Wheel Compaction of HMA specimens AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP) AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP) AASHTO T30: Mechanical Analysis of Extracted Aggregate (JTCP) AASHTO T30: Mechanical Analysis of Extracted Aggregate AASHTO R47: Reducing Samples of HMA (JTCP) AASHTO R47 (03-0H10U4): Reducing Samples of HMA (Project
- Caltrans SIAD - Search Labs - California
Robert Scott Ian Broddrick Jeremy Peterson-Self Ignocencio Herrera Dave Waterman Loren Lee George Thorpe Cindy Hicks Julian Barbash David Jones Bomasur Banzon Jessa Dhaliwal Pedro Reyes Mark Huddleston Natalie Rivinius Dan Curran Mike Antonetti Marcelo Jimenez Jackie Treat Afsaneh Ostovar John Warrick Roberto Jarquin Ashley Shaw Robert Achuela
- Caltrans SIAD - Overview
The SIAD serves as a central repository for statewide IA data pertaining to IA staff, testing personnel, and laboratories The database provides instant access to view real-time statewide IA accreditations, certifications and proficiencies
- Caltrans SIAD - Login - California
Please submit any comments or questions to: Shaya Meisamifard SIAD Task Manager 916-639-4316 Shaya meisamifard@dot ca gov Accessibility Information © 2026 by California Department of Transportation (Caltrans)
- Caltrans SIAD - Information for CT 521. 1 - sia. dot. ca. gov
Test Method Information for Compressive Strength - PCC (ASTM C39 C617)
- Caltrans SIAD - Instructions - California
At the bottom of the homepage is the contact information (email and cell number) for the SIAD Task Manager Please submit any additional comments or questions to the identified SIAD Task Manager
- Caltrans SIAD - Help - California
Help The Statewide Independent Assurance Database (SIAD) Overview The Statewide Independent Assurance Database (SIAD) Instruction Guide For concerns with missing or erroneous data, please contact your Independent Assurance personnel
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