Materials Lab
- Contacts
- TL-543
- NEW! Section 39, HMA "Hot Mix Asphalt" and Associated SSPs
- Rubberized Hot Mix Asphalt
- HMA and Concrete Plant Certification CTM 109
- Independent Assurance Program (IAP)
- Structural Section Request Information
- Check List for Construction Sampling
- Pavement Deflection Study
- Pavement coring
- R-Value Testing
- Culvert Studies
- Certified Materials Testers List
- Materials Delivery Timeline (PDF 208K)
Laboratory Policies and Procedures
- 2006 Standard Specifications
- 2006 Standard Plans
- 2006 Standard Specifications Digest of Major Changes
- California Test Methods
- Lab Procedures
- Highway Design Manual
- Construction Manual
- Acceptance Testing Turnaround Times
- Aggregate Process Testing
- HMA Acceptance Testing
- Lab Workload Priority
- Correcting Errors in TL-101s and/or Submitted Samples
- Disposal of Test Samples
- Nuclear Density and Asphalt Gauge Procedures
- Laboratory Safety Manual
District 01 Field Labs

CT109 Asphalt Hot Plant and PCC Plant Certification

Please make all requests for certification at least 72 hours in advance
California Certified traceable masses shall be present with enough mass to prove the scales. The county weights and measures person may be contacted to prove the scales for the county at the same time.
All weighing devices i.e., truck scales, weigh bridges, hopper scales, etc., shall be mounted on concrete slabs per Caltrans specifications.
All safety guards, rails, fire extinguishers, eye wash stations, and other implements shall be in place and functioning per Caltrans specifications.
Specific requirements for Caltrans test 109 are found in the California Test Methods.
Contact
(707) 445-6374, 445-6375
