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rements, and safety. Use this UFC in addition to UFC 1-200-01 and the UFCs and government criteria referenced therein. 1-5 CYBERSECURITY. All control systems (including systems separate from a utility monitoring and control system) must be planned, designed, acquired, executed, and maintained in accordance with UFC 4-010-06 and as required by individual Service Implementation Policy. CANCELLED UFC 3-401-01 28 July 2025 Change 2, 14 May 2026 2 Figure 1-1 Associated Mechanical Systems Criteria UFC 3-401-01 Mechanical Engineering UFC 3-410-01 Heating, Ventilating, and Air Conditioning Systems UFC 3-410-02 Direct Digital Control for HVAC and Other Building Control Systems UFC 3-420-01 Plumbing Systems UFC 3-470-01 Utility Monitoring & Control System (UMCS) Front End and Integration UFC 3-420-0
UFC 3-401-01 28 July 2025 Change 2, 14 May 2026 UNIFIED FACILITIES CRITERIA (UFC) APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED MECHANICAL ENGINEERING CANCELLED UFC 3-401-01 28 July 2025 Change 2, 14 May 2026 This Page Intentionally Left Blank CANCELLED UFC 3-401-01 28 July 2025 Change 2, 14 May 2026 UNIFIED FACILITIES CRITERIA (UFC) MECHANICAL ENGINEERING Any copyrighted material included in this UFC is identified at its point of use. Use of the copyrighted material apart from this UFC must have the permission of the copyright holder. Indicate the Military Department Preparing Activity responsible for the document. U.S. ARMY CORPS OF ENGINEERS NAVAL FACILITIES ENGINEERING SYSTEMS COMMAND (Preparing Activity) AIR FORCE CIVIL ENGINEER CENTER Record of Changes (changes are indicated by
ity) AIR FORCE CIVIL ENGINEER CENTER Record of Changes (changes are indicated by \1\ ... /1/) Change No. Date Location 1 23 Jan 2026 Modified paragraph 2-1; Added paragraph 2-5.2 Flammability Classification Restriction. 2 14 May 2026 Modified paragraph 2-5.2 regarding flammability classification restrictions for refrigerant. Added paragraph 2-7 Noise and Vibration Control. This UFC supersedes UFC 3-401-01, dated 01 July 2013. CANCELLED UFC 3-401-01 28 July 2025 Change 2, 14 May 2026 This Page Intentionally Left Blank CANCELLED UFC 3-401-01 28 July 2025 Change 2, 14 May 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 Departme
tant drains. Applicable criteria include UFC 3-401-01 for mechanical & UFC 3-410-01 for HVAC. Electrical Industrial equipment typically requires 240- and 480-volt, three-phase electrical current. Use commercial grade convenience receptacles and special power outlets. Consult X-ray and other NDI equipment specifications for their specific power requirements. Applicable criteria include UFC 3-501-01 for general electrical requirements, UFC 3-520-01 for interior electrical systems requirements, UFC 3-530-01 for interior and exterior lighting and controls requirements, UFC 3-550-01 for exterior power distribution systems requirements, UFC 3-560-01 for electrical safety and electrical O&M requirements, UFC 3-580-01 for building telecommunications requirements, and UFC 4-021-01 for mass notifica
ty Planning Criteria for Navy/Marine Corps Shore Installations UFC 2-100-01, Installation Master Planning UFC 3-201-01, Civil Engineering UFC 3-201-02, Landscape Architecture UFC 3-401-01, Mechanical Engineering UFC 3-410-01, Heating, Ventilating, and Air Conditioning Systems UFC 3-420-01, Plumbing Systems UFC 3-490-06, Elevators 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 4-010-06, Cybersecurity of Facility-Related Control Systems UFC 4-020-01, DoD Security Engineering Facilities Planning Manual
es UFC 3-230-01, Water Storage, Distribution, and Treatment UFC 3-301-01, Structural Engineering UFC 3-301-02, Design of Risk Category V Structures, National Strategic Military Assets UFC 3-400-02, Design: Engineering Weather Data UFC 3-401-01, Mechanical Engineering UFC 3-410-01, Heating, Ventilating, and Air Conditioning Systems UFC 3-420-01, Plumbing Systems UFC 3-501-01, Electrical Engineering UFC 3-520-01, Interior Electrical Systems UFC 3-530-01, Interior and Exterior Lighting Systems UFC 3-540-01, Engine-Driven Generator Systems for Prime and Standby Power Applications UFC 3-550-01, Exterior Electrical Power Distribution UFC 3-570-01, Cathodic Protection UFC 3-575-01, Lightning and Static Electricity Protection Systems UFC 3-580-01, Telecommunications Interior Infrastructure Plannin
LITIES CRITERIA PROGRAM http://dod.wbdg.org/ UNIFIED FACILITIES CRITERIA (UFC) UFC 1-200-01, General Building Requirements UFC 1-200-02, High Performance and Sustainable Building Requirements UFC 3-110-03, Roofing UFC 3-260-01, Airfield and Heliport Planning and Design UFC 3-301-01, Structural Engineering UFC 3-440-01 01 July 2015 35 UFC 3-401-01, Mechanical Engineering UFC 3-420-01, Plumbing Systems UFC 3-501-01, Electrical Engineering UFC 3-520-01, Interior Electrical Systems UFC 3-540-08, Utility-Scale Renewable Energy Systems (Draft) UFC 3-560-01, Electrical Safety, O&M UFC 3-575-01, Lightning and Static Electricity Protection Systems UFC 3-600-01, Fire Protection Engineering for Facilities UNIFIED FACILITIES GUIDE SPECIFICATIONS (UFGS) UFGS 23 07 00, Thermal Insulation for Mechanical
4-141-10 22 September 2022 131 UNIFIED FACILITIES CRITERIA https://www.wbdg.org/ffc/dod/unified-facilities-criteria-ufc UFC 1-200-01, DoD Building Code UFC 2-000-05N, Facility Planning for Navy and Marine Corps Shore Installation UFC 2-100-01, Installation Master Planning UFC 3-101-01, Architecture UFC 3-110-03, Roofing UFC 3-201-01, Civil Engineering UFC 3-220-01, Geotechnical Engineering UFC 3-250-01, Pavement Design for Roads and Parking Areas UFC 3-260-01, Airfield and Heliport Planning and Design UFC 3-301 01, Structural Engineering UFC 3-401-01, Mechanical Engineering UFC 3-410-01, Heating, Ventilating and Air Conditioning Systems UFC 3-420-01, Plumbing Systems UFC 4-133-01, Air Traffic Control and Air Operations Facilities UFC 3-450-01, Noise and Vibration Control UFC 3-460-01, Desi
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