Global Hawk Maintenance Hangar

Beale AFB, CA

ANDREGG teamed with HDR to perform review of the existing topographic survey and provide detailed supplemental topographic field surveys of the 23-acre project area located on Beale Air Force Base. The final survey shall show all identifiable physical features, site conditions and utilities above and below ground. All surface and subsurface features include paving, trees, walks, buildings, and abandoned construction. Andregg and HDR ensured all required information was provided in the final topography.  Andregg established two horizontal and two vertical control points for this project. Vertical control was tied to the National Geodetic Vertical Datum appropriate to the site and horizontal was tied to the appropriate State Coordinate System and Zone for the site.