Geodetic Positioning and Station Calibration

This subcontract involves providing high-precision geodetic surveying services for prime contractors supporting California Department of Water Resources subsidence monitoring projects. The scope of work includes establishing precise 3D coordinates across three specific sites, performing initial calibration of cGNSS receivers, and verifying the vertical datum using specialized geodetic GPS/GNSS equipment and calibration software. The contractor is responsible for delivering certified coordinate reports and detailed calibration logs under NAICS code 541370. This project is managed by the California Department of Water Resources and is focused on ensuring the accuracy of positioning and station calibration for critical water infrastructure monitoring.