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hotovoltaics, and battery energy storage systems are not covered by UFC 3-540-01. Paragraph 3-4.1.2 updates performance requirements for resilience of generators serving critical loads. This UFC supersedes UFC 3-540-04N, Design: Diesel Electric Generating Plants. UFC 3-540-01 1 August 2014 Change 4, 16 January 2026 FOREWORD The Unified Facilities Criteria (UFC) system is prescribed by MIL-STD 3007 and provides planning, design, construction, sustainment, restoration, and modernization criteria, and applies to the Military Departments, the Defense Agencies, and the DoD Field Activities in accordance with USD (AT&L) Memorandum dated 29 May 2002. UFC will be used for all DoD projects and work for other customers where appropriate. All construction outside of the United States, its territories
/3/ 1-10 \3\ REFERENCES. Appendix A contains a list of references used in this UFC. The publication date of the code or standard is not included in this document. Unless otherwise specified, the most UFC 3-540-01 1 August 2014 Change 4, 16 January 2026 3 recent edition of the referenced publication applies. References applicable to a specific topic are also listed and described in the appropriate sections of this UFC. /3/ UFC 3-540-01 1 August 2014 Change 4, 16 January 2026 4 This Page Intentionally Left Blank UFC 3-540-01 1 August 2014 Change 4, 16 January 2026 5 CHAPTER 2 STANDBY POWER GENERATORS DESIGN CRITERIA 2-1 APPLICATIONS. Refer to Appendix F for a list of facility types and typical applications within DoD. For the Army and Navy, the major command or program element determines if
on projects. AUTHORIZED BY: GEORGE O. LEA, P.E. JOSEPH E. GOTT, P.E. Chief, Military Engineering Branch Chief Engineer U.S. Army Corps of Engineers Naval Facilities Engineering Command EDWIN H. OSHIBA, SES, DAF MICHAEL McANDREW Deputy Director of Civil Engineers DCS/Logistics, Engineering & Force Protection Director, Facilities Investment and Management Office of the Deputy Under Secretary of Defense (Installations and Environment) UFC 3-540-01 1 August 2014 Change 4, 16 January 2026 UNIFIED FACILITIES CRITERIA (UFC) CHANGE SUMMARY SHEET Document: 3-540-01, Engine-Driven Generator Systems for Prime and Standby Power Applications Superseding: • UFC 3-540-04N, Design: Diesel Electric Generating Plants Description: This UFC provides criteria for the design and installation of engine generato
permitted only in accordance with UFC 3-540-07, Appendix C. (T-1). 1.9.9. Establish an onsite fire extinguisher near the generator in accordance with AFMAN 91-203, Air Force Occupational Safety, Fire, and Health Standards. (T-3). This shall be compliant with all applicable safety codes and standards such as NFPA 70, National Electrical Code®, National Fire Protection Association (NFPA) 70E, Standard for Electrical Safety in the Workplace®, AFMAN 32-1065, Grounding and Electrical Systems, UFC 3-560- 01, Operation and Maintenance: Electrical Safety, and all current electrical safe work practices in accordance with 29 CFR Part 1910, Occupational Safety and Health Standards. (T-0). 1.9.10. Account for generators in accordance with UFC 3-540-07. (T-2). 1.9.11. Provide training in generator ope
Interior and Exterior Lighting Systems UFC 3-535-01, Visual Air Navigation Facilities UFC 3-540-01, Engine-Driven Generator Systems for Prime and Standby Power Applications UFC 3-540-08, Utility-Scale Renewable Energy Systems UFC 3-550-01, Exterior Electrical Power Distribution UFC 3-550-04: Installation Microgrid Design CANCELLED UFC 3-501-01 27 November 2024 82 UFC 3-555-01, Aircraft Point-of-Use Power Systems UFC 3-560-01, Operation and Maintenance: Electrical Safety UFC 3-570-01, Cathodic Protection UFC 3-575-01, Lightning and Static Electricity Protection Systems UFC 3-580-01, Telecommunications Interior Infrastructure Planning and Design UFC 3-600-01, Fire Protection Engineering for Facilities UFC 4-010-01, DoD Minimum Antiterrorism Standards for Buildings UFC 4-010-05, SCIF/SAPF Pl
fied-facilities-criteria-ufc UFC 1-200-01, DoD Building Code UFC 3-410-02, Direct Digital Control for HVAC and Other Building Control Systems UFC 3-440-01, Facility-Scale Renewable Energy Systems UFC 3-470-01, Utility Monitoring and Control System (UMCS) Front End and Integration UFC 3-501-01, Electrical Engineering UFC 3-540-01, Engine-Driven Generator Systems for Prime and Standby Power Applications UFC 3-540-08, Utility-Scale Renewable Energy Systems UFC 3-550-01, Exterior Electrical Power Distribution UFC 3-600-01, Fire Protection Engineering for Facilities UFC 3-701-01, DoD Facility Pricing Guide UFC 3-730-01, Programming Cost Estimates for Military Construction UFC 3-740-05, Construction Cost Estimating UFC 4-010-06, Cybersecurity of Facility-Related Control Systems DoDD 3020.26, Dep
irection of the source equipment. Combine one-pole branch circuits to minimize number of homeruns. 3-7 LIGHTING. Design lighting, including ASHRAE 90.1 criteria, in accordance with UFC 3-530-01. 3-8 GENERATORS. Comply with UFC 3-540-01. Coordinate with the Activity to establish marking requirements for receptacles and panelboards served by backup power systems. 3-9 AUTOMATIC TRANSFER EQUIPMENT. Comply with UFC 3-540-01. Refer to NFPA 99 for any transfer switch applications involving medical facilities. Refer to TSEWG TP-09, Automatic Transfer Equipment, at https://www.wbdg.org/dod/supp-tech-documents for additional information regarding ATS design and application. CANCELLED UFC 3-520-01 16 January 2025 Change 1, 21 January 2026 32 3-10 UNINTERRUPTIBLE POWER SUPPLY. Uninterruptible power su
elays 15.4.4.3. Fuses 16.0. Real Property Installed Equipment (RPIE) Generators TR: NFPA 70; NFPA 110; AFMAN 32- 1062; UFC 3-540-07; UFC 3-540-01; applicable manufacturer's manuals; AFPMTLs Note: QTP required for UGT 16.1. Periodic Inspection and Preventative Maintenance 16.1.1. Inspection and maintenance A B requirements 16.1.2. Perform Semi-monthly 16.1.3. Perform Monthly 2b 16.1.4. Perform Semi-annual 2b 16.2. Perform emergency shutdown b 16.3. Reconfigure alternator 7^ voltage output 16.4. Calculate: 16.4.1. kW/kVA load 5^ 2b c 16.4.2. Amperage load 5^ 2b c 16.4.3. Fuel requirements 2b b 16.4.4. Power requirements 7^ b 17.0. AUTOMATIC TRANSFER SWITCHES TR: UFC 3-520-01, 3-540-01; NFPA 110, 111; AFMAN 32-1062; EGSA Guide to On-Site Power Generation; applicable manufacturer's manuals Not
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