Surveying & Mapping

Caltrans District 4 On-Call Survey Contract | San Francisco Bay Area, CA

Caltrans District 4


Right-of-Way Mapping Support
GIS Data Development
Mobile Terrestrial Laser Scanning
Ground Penetrating Radar
Bathymetry Surveys
Local Agency Project Reviews
Project Closeout Review and Processing
Project Management Support
Legal Documentation Mapping Support

Multi-year Contract Covering Nine Bay Area Counties

Through multiple on-call contracts, Psomas has provided field and office support services throughout District 4 for several years. District 4 includes nine San Francisco Bay Area counties – Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano and Sonoma. Dozens of task orders have been completed for a wide range of projects and numerous branches within Caltrans District 4.

In addition, staff has been provided to augment Caltrans’ workforce in the Right-of-Way Engineering, Surveying and Mapping Division for a variety of staffing classifications.

Some of the key task orders include:

This contract includes several unique specialty surveying projects, including the Niles Canyon project and a second mobile scanning effort as-built for the Doyle Drive project.