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Desert Horizons II

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State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

AI Contract Overview

The Desert Horizons II project, identified as PROJ-2025-00050, involves the expansion of the El Mirage Airfield facility in unincorporated San Bernardino County, California. General Atomics Aeronautical Systems is seeking a Conditional Use Permit and Major Variance to develop facilities for the manufacturing and testing of unmanned aerial vehicles (UAVs). The project site consists of three merged parcels totaling approximately 312 acres, located at 73 El Mirage Airport Road. The primary construction deliverables include a 118,020-square-foot hangar building, a 19,512-square-foot ground control building, and a 20,000-square-foot stockroom, along with associated parking and site infrastructure. The project has undergone extensive environmental and technical review to comply with the California Environmental Quality Act (CEQA). Key assessments include a mitigated negative declaration addressing air quality, biological resources, and tribal cultural resources, as well as a specific permit for the incidental take of 19 protected western Joshua trees. Technical planning is supported by comprehensive geotechnical reports, a preliminary hydrology report for storm event mitigation, and a trip generation analysis indicating negligible traffic impact. Construction must adhere to strict safety and engineering standards, including Cal OSHA excavation requirements and MDAQMD air quality rules for fugitive dust and nuisance control.

General Info

General Atomics expanding El Mirage Airfield for UAV manufacturing and testing in California.

Agency

California → San Bernardino County

NAICS

236220 - Commercial and Institutional Building ConstructionView NAICS

Place of Performance

El Mirage Airport Road and Linson Street, CA, 92301

Set-Aside

NONE

Documents

(17)

Appendix E-Geotechnical Report Update for General Atomics El Mirage Expansion

PDF•geotechnical-report

Trip Generation Analysis for General Atomic Hanger El Mirage Airport Project

PDF•technical-memorandum

PROJ-2025-00050 CEQA Summary Form for Desert Horizons II

PDF•ceqa-summary

Appendix H - Scope for Traffic Study for General Atomic Hangar

PDF•sow

PROJ-2025-00050 - Notice of Completion & Environmental Document Transmittal

PDF•ceqa-notice-of-completion

Soils Investigation Report - General Atomics Desert Horizons II

PDF•soils-investigation-report

Notice of Determination for General Atomics Horizons 2 Project ITP 1927-ITP-2025-029-06

PDF•notice-of-determination

PROJ-2025-00050 Notice of Determination for Desert Horizons II

PDF•determination-and-findings

Biological Resources Assessment and Native Plant Protection Plan for General Atomics Horizons 2

PDF•biological-resources-assessment

Appendix A-CalEEMod General Atomics Detailed Report July 2025

PDF•other

Paleontological Assessment for General Atomic Aeronautical Systems Project

PDF•paleontological-assessment

Appendix D-General Atomics Energy Fuel Diesel Consumption Data

PDF•other

Cultural Resources Study for General Atomic Aeronautical Systems Project

PDF•cultural-resources-study

Appendix E-2 Percolation Test Report for General Atomics Desert Horizons II

PDF•percolation-test-report

Preliminary Hydrology Report for General Atomics CGCS and Hangar Facility DRNSTY-2024-00051

PDF•report

PROJ-2025-00050 CEQA Notice of Intent for Desert Horizons II

PDF•ceqa-noi

PROJ-2025-00050 Desert Horizons II Initial Study/Mitigated Negative Declaration

PDF•initial-study-mnd

AI Contract Breakdown

Uniform Contract Format

Timeline

PostedNov 21

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Organization & Contact Information

AgencyCalifornia → San Bernardino County

Contacts2 people available

OfficeN/A

Organization / Agency

California → San Bernardino County

Office AddressN/A

Contacts

Kumail RazaContract Planner III

Loren Kagan-

Full Description

General Atomics Aeronautical Systems is seeking approval for a Conditional Use Permit (CUP) and Major Variance for the expansion of the 800-acre El Mirage Airfield facility. The proposal is for an aircraft assembly hangar and avionics assembly & testing with associated accessory office and support facilities (Project). The Proposed Project is located on approximately 20 acres of parcel APN: 0457-041-02, which is an approximately 77-acre parcel. It also includes approximately one acre of the adjacent parcel to the west, APN: 0457-041-03, which totals approximately 159 acres. Additionally, the approximately 77-acre parcel APN: 0457-041-04 is incorporated into the project site. The three parcels totaling approximately 312 acres (APNs: 0457-041-02, -03, and -04) are planned to be merged as part of the project. The project site located in El Mirage, unincorporated San Bernardino County, California approximately ten miles west of the City of Adelanto (see Figure 1-Regional Location). More specifically the airfield is at 73 El Mirage Airport Road within the 1st Supervisorial District (see Figure 2-Project Vicinity). The airfield is designated Rural Living (RL) and General Industrial (GI) according to the San Bernardino County Countywide Plan/Policy Plan 2020 (Policy Plan), with zoning designations of Rural Living (RL) and Institutional (IN). The airfield opened in 1942 as a satellite field for the Victorville Army Airfield (Victorville AAF) and was used as a training facility during World War II. After the war, the field was used as a civil airfield. Since 1985 the El Mirage Field has been used by General Atomics as their unmanned air vehicle flight test center. Conditional Use Permit and Major Variance for the development of: (1) a 118,020-square-foot hangar building, (2) a 19,512-square-foot ground control building, and (3) a 20,000-square-foot stockroom building for the manufacturing and testing of unmanned aerial vehicles (UAVs) located at 73 El Mirage Airport Road, El Mirage, CA (APNs: 0457-041-02, -03, and -04).