Below is a listing of the Revisions and Changes made to UFGS Sections for each release. You can narrow the list by selecting a UFGS Release date from the drop-down and clicking 'Apply'.

KEYPREPARING ACTIVITY (PA)A ArmyN NavyF Air ForceS NASA [ARCHIVED]
ACTIONN NewR RevisionC ChangeD Deletion
Release PA UFGS Section Action Change # Nature of Change or Revision
May-2024 A UFGS 03 52 16 Lightweight Insulation Concrete D Archived with no replacement.Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2024 N UFGS 03 52 16.19 Lightweight Insulation Concrete Overlay D Archived with no replacement.Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2024 N UFGS 10 71 13.13 Storm Shutters D Archived with no replacement.Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2024 N UFGS 11 27 13 Radiographic Darkroom Equipment D Archived with no replacement.Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2024 A UFGS 13 34 23.12 10 Relocatable Buildings N New UFGS section.
May-2024 N UFGS 21 13 20.00 20 Foam Fire Extinguishing for Aircraft Hangars D Archived with no replacement.Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2024 A UFGS 21 21 01 Carbon-Dioxide Fire Extinguishing Systems N New Unified Section; Superseding UFGS-21 21 01.00 20 Carbon-Dioxide Fire Extinguishing Systems (High Pressure) and UFGS-21 21 02.00 20 Carbon-Dioxide Fire Extinguishing Systems (Low Pressure)
May-2024 N UFGS 21 21 01.00 20 Carbon Dioxide Fire Extinguishing (High Pressure) D Superseded by UFGS-21 21 01 Carbon-Dioxide Fire Extinguishing Systems (new/Unified).Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2024 N UFGS 21 21 02.00 20 Carbon Dioxide Fire Extinguishing (Low Pressure) D Superseded by UFGS-21 21 01 Carbon-Dioxide Fire Extinguishing Systems (new/Unified).Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2024 A UFGS 21 21 03.00 10 Wet Chemical Fire Extinguishing System D Superseded by UFGS-21 23 00 Wet Chemical Fire Extinguishing Systems (new/Unified)Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2024 A UFGS 21 23 00 Wet Chemical Fire Extinguishing Systems N New Unified Section; Superseding UFGS-21 21 03.00 10 Wet Chemical Fire Extinguishing System and UFGS-21 23 00.00 20 Wet Chemical Fire Extinguishing for Kitchen Cabinet
May-2024 N UFGS 21 23 00.00 20 Wet Chemical Fire Extinguishing for Kitchen Cabinet D Superseded by UFGS-21 23 00 Wet Chemical Fire Extinguishing Systems (new/Unified).Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2024 N UFGS 22 00 00 Plumbing, General Purpose R Complete review and update
May-2024 A UFGS 23 72 00 Energy Recovery Systems R Complete review and update to include a section number change from 23 72 00.00 10 to 23 72 00.
May-2024 N UFGS 23 74 33 Dedicated Outdoor Air Systems (DOAS) N New Section to address the requirements of DOAS - refers only to the air handling piece of equipment and internal components.
May-2024 N UFGS 23 75 15 Custom-Packaged, Aircraft Pre-Conditioned Air Units C 1 In response to CCR 14821, removed references to UFGS 21 13 20.00 20 (archived 05/24) by deleting paragraph Fire Foam Extinguishing Systems (1.2.3) and related paragraph under Sequencing (1.4).
May-2024 A UFGS 23 81 00 Decentralized Unitary HVAC Equipment R Complete review and update.
May-2024 N UFGS 26 12 19 Pad-Mounted, Liquid-Filled, Medium Voltage Transformers R Section Rename/Retitle to conform with CSI MasterFormat; now UFGS-26 12 19 PAD-MOUNTED, LIQUID-FILLED, MEDIUM VOLTAGE TRANSFORMERS; Superseding UFGS-26 12 19.10 (THREE-PHASE, LIQUID-FILLED PAD-MOUNTED TRANSFORMERS) without Revision
May-2024 A UFGS 26 13 01 Pad-Mounted Dead-Front Air Insulated Switchgear R Complete review and update to include a change in the Preparing Activity from NAVFAC to USACE.
May-2024 A UFGS 26 32 15 Engine-Generator Set Stationary 15-2500 kW, with Auxiliaries R Superseding UFGS-26 32 15.00 without Revision; Section renumbered to UFGS-26 32 15.
May-2024 N UFGS 26 35 43 400-Hertz (HZ) Solid State Frequency Converter C 1 In response to the following: CCR 14270, removed 'radians' as a measurement in paragraph Phase Angle Regulation (2.1.1.18) and CCR 14808, "direct spray" has been removed as an option in paragraph Assembly Construction (2.1.12)
May-2024 N UFGS 26 35 44 270 VDC Solid State Converter C 1 In response to CCR 14808, "direct spray" has been removed as an option in paragraph Assembly Construction (2.1.11)
May-2024 A UFGS 28 10 05 Electronic Security Systems (ESS) R Complete review and update.
May-2024 A UFGS 32 12 13 Bituminous Tack[ and][ Prime] Coats R Complete review and update; Added related materials "Estimating Application Rate of Bituminous Distributors" (xlsm)
May-2024 A UFGS 32 13 14.13 Concrete Paving for Airfields and Other Heavy Duty Pavements C 1 Incorporated various CCRs.
Feb-2024 N UFGS Section Template (Template CCRs Only) R Complete review; removed references to NASA in the banner, and the Submittals Article standard notes and paragraph.
Feb-2024 N UFGS 00 01 15 List of Drawings R Complete review and update.
Feb-2024 N UFGS 01 11 00 Summary of Work R Complete review and update to include removal of FAR references, NASA-tailored requirements, and included requirements on Navy drawings.
Feb-2024 N UFGS 01 31 23.13 20 Electronic Construction and Facility Support Contract Management System (eCMS) C 1 Updated language in Loss of Privilege (1.2.3) and RFIs Module (1.6.3) paragraphs
Feb-2024 A UFGS 01 42 15 Metric Measurements R Complete review and update.
Feb-2024 A UFGS 11 13 19.13 Loading Dock Levelers R Complete review and update.
Feb-2024 N UFGS 21 12 00 Standpipe Systems D Archived with no replacement.
Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2024 N UFGS 21 13 21.00 20 Foam Fire Extinguishing for Fuel Tank Protection D Archived with no replacement.
Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2024 N UFGS 21 13 22.00 20 Foam Fire Extinguishing for Haz/Flam Material Facility D Archived with no replacement.
Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2024 N UFGS 21 21 00 Fire Extinguishing Sprinkler Systems (Residential) D Archived with no replacement.
Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2024 A UFGS 22 13 36 Pneumatic Sewage Ejectors D Archived with no replacement. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2024 N UFGS 23 05 15 Common Piping for HVAC C 1 Added NAVFAC only specifier note under PIPE AND FITTINGS paragraph (2.2)
Feb-2024 A UFGS 23 33 56 Self-Acting Blast Valves D Archived with no replacement. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2024 N UFGS 23 64 26 Chilled, Chilled-Hot, and Condenser Water Piping Systems C 7 In response to CCRs 9060, 13651, and 14220, ‘Pump Discharge Valve’ (submittal and paragraph) has been removed from the section as it conflicted with UFC 3-410-01 Heating, Ventilating, and Air Conditioning Systems’.
Feb-2024 N UFGS 26 23 00 Low Voltage Switchgear R Complete review and update to incorporate CCRs and update requirements for mitigating arc flash hazards.
Feb-2024 A UFGS 26 37 13 Microgrid Control System N New UFGS Section
Feb-2024 N UFGS 31 62 13.13 Cast-In-Place Concrete Piles C 3 In response to CCR 12354, replaced "shall" throughout with alternate language and active voice.
Feb-2024 N UFGS 31 62 13.20 Precast/Prestressed Concrete Piles C 2 In response to the following CCRs: 9547, brackets have been added around "Chloride Ion Concentration" paragraph (2.5.7) and "Chloride Ion Penetration" paragraph (2.5.8); 13020, updated referenced paragraph titles; and 13503, added new "Patching" subparagraph (3.2.10) under PILE DRIVING Article (3.2)
Feb-2024 N UFGS 31 62 13.24 Concrete Cylinder Piles C 2 In response to CCR 13713, replaced "shall" and limited "must" throughout with alternate language and active voice.
Feb-2024 N UFGS 31 62 13.26 Pressure-Injected Footings C 2 In response to CCR 13524, replaced "shall" and limited "must" throughout with alternate language and active voice.
Feb-2024 N UFGS 31 62 16.13 Steel Pipe Piles C 2 In response to the following CCRs:13021, updated referenced paragraph titles and 13714, replaced "shall" and limited "must" throughout with alternate language and active voice.
Feb-2024 N UFGS 31 62 16.16 Steel H-Piles C 2 In response to CCR 13022, updated referenced paragraph titles.
Feb-2024 N UFGS 31 62 19 Timber Piles C 2 In response to the following CCRs: 12473 and 13023, updated referenced paragraph titles.
Feb-2024 N UFGS 31 62 50 Densified Aggregate Piers C 2 In response to CCR 13026, updated referenced paragraph titles.
Feb-2024 N UFGS 31 63 26.60 [Grouted] Helical Piles C 2 In response to the following CCRs:13028, updated referenced paragraph titles; and 13715, replaced "shall" and limited "must" throughout with alternate language and active voice.
Feb-2024 N UFGS 33 01 30.16 TV Inspection of Sewer Lines C 1 In response to CCR 11690, section was updated to include side wall scanning (panoramic) cameras.
Feb-2024 A UFGS 33 05 07.13 Utility Directional Drilling N New UFGS section superseding UFGS-33 05 23.13 UTILITY HORIZONTAL DIRECTIONAL DRILLING
Feb-2024 F UFGS 33 05 23.13 Utility Horizontal Directional Drilling D Superseded by UFGS-33 05 07.13 UTILITY DIRECTIONAL DRILLINGNote: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2024 N UFGS 44 41 00 Water Pollution Containment And Cleanup Equipment C 1 In response to CCR 13725, updated to reduce the use of shall and change passive voice to active voice.
Feb-2024 F UFGS 46 07 53.19 Composting Toilet D Archived with no replacement.Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2023 N UFGS 01 32 17.00 20 Cost-Loaded Network Analysis Schedules (NAS) R Complete review and update. Added new Related Materials: "Contractor Baseline Schedule General Commissioning/HVAC Review Checklist"
Nov-2023 N UFGS 01 32 17.00 20 Cost-Loaded Network Analysis Schedules (NAS) R Complete review and update. Added new Related Materials: "Contractor Baseline Schedule General Commissioning/HVAC Review Checklist"
Nov-2023 A UFGS 01 45 00.15 10 Resident Management System Contractor Mode (RMS CM) R Complete review and update.
Nov-2023 N UFGS 01 78 24.00 20 Facility Data Workbook (FDW) C 1 In response to CCR 13686, added "eOMSI" to the Definitions paragraph (1.1)
Nov-2023 N UFGS 01 91 00.15 Building Commissioning C 2 In response to CCR 13595, moved language related to warranty period requirements from PROJECT SCHEDULE paragraph (1.8) to CONSTRUCTION PHASE COMMISSIONING PLANS paragraph (3.7); added language for Air Force usage.
Nov-2023 N UFGS 03 30 00 Cast-In-Place Concrete C 6 In response to the following CCRs: 10852, deleted paragraph Maximum Allowable Construction Joint Spacing (3.11.1) and list items a. and b.; 11572, updated Concrete Mix Design paragraph (1.6.1.2); 11445, updated Table under Sulfate Resistance paragraph (2.5.2.4 list item a.); 11120, removed list item b. under Reinforcement paragraph (6.2) and added list item e. under Epoxy-Coated Reinforcing Bars paragraph (2.6.1.2); and 11115, added ASTM A1094/A1094M to the Reference Article and as an option in paragraph Galvanized Reinforcing Bars (2.6.1.1) list item a.
Nov-2023 N UFGS 03 30 00 Cast-In-Place Concrete C 6 In response to the following CCRs: 14190, "LEED NC" removed from the References and submittal items with "LEED NC" reference replaced with an "S" submittal tag; 14340 and 14341, updated list items under Blended Cements paragraph (2.3.1.2)
Nov-2023 N UFGS 03 30 00 Cast-In-Place Concrete C 6 In response to the following CCRs: 13850, edited Specifier Notes in Silica Fume paragraph (2.3.1.5) to clarify the use of silica fume; 13683, added requirement for ACI 301 in Concrete Mix Design paragraph (1.6.1.2)
Nov-2023 N UFGS 03 30 00 Cast-In-Place Concrete C 6 In response to the following CCRs: 12710 - updated requirements in Testing Concrete Structure for Strength (1.14.3.9 - item d.); 12783 - updated Mixing (3.6.2) to align with current ASTM C94 and ACI 301; 12993 - updated table in Properties and Requirements (2.5.1, item i.) under column 'Miscellaneous Requirements,' row 'Lightweight concrete suspended slab' changed units to pounds per cubic foot; 13132 - updated submittal item to "Quality Control Program"; and 13205 - updated test intervals/requirements in paragraphs Slump Tests (3.14.3.1) and Compressive Strength Tests (3.14.3.3).
Nov-2023 A UFGS 03 37 29 Concrete for Concrete Cutoff Walls C 1 Incorporated CCR #12904.
Nov-2023 N UFGS 03 62 16 Metallic Non-Shrink Grouting C 1 Administrative Change: Preparing Activity changed from NASA to NAVFAC.
Nov-2023 N UFGS 05 51 00 Metal Stairs C 1 Administrative Change: Preparing Activity changed from NASA to NAVFAC.
Nov-2023 N UFGS 05 52 00 Metal Railings C 1 Administrative Change: Preparing Activity changed from NASA to NAVFAC.
Nov-2023 N UFGS 05 72 00 Decorative Metal Specialties C 1 Administrative Change: Preparing Activity changed from NASA to NAVFAC.
Nov-2023 A UFGS 06 18 00 Glued-Laminated Construction C 1 Administrative Change: Preparing Activity changed from NASA to USACE.
Nov-2023 N UFGS 06 71 33 Fiberglass Reinforced Plastic (FRP) Ladders C 1 Administrative Change: Preparing Activity changed from NASA to NAVFAC.
Nov-2023 N UFGS 06 73 01 Fiberglass Reinforced Plastic (FRP) Grating C 1 Administrative Change: Preparing Activity changed from NASA to NAVFAC.
Nov-2023 N UFGS 06 82 14 Fiberglass Reinforced Plastic (FRP) Pipe and Tube Railings C 1 Administrative Change: Preparing Activity changed from NASA to NAVFAC.
Nov-2023 A UFGS 12 48 13 Entrance Floor Mats and Frames C 1 Administrative Change: Preparing Activity changed from NASA to USACE.
Nov-2023 N UFGS 22 05 83.63 Cured-In-Place Pipe (CIPP) Lining for Plumbing Applications D Archived with no replacement.
Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2023 N UFGS 23 64 00 Packaged Water Chillers, Absorption Type D Archived with no replacement.
Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2023 A UFGS 26 05 13.00 10 Medium-Voltage Cables N Renumbered/Superseded NASA UFGS-26 05 13.00 40 without revision
Nov-2023 A UFGS 26 05 48 Seismic Protection for Electrical Equipment N New Unified Section; Superseding UFGS-26 05 48.00 10 SEISMIC PROTECTION FOR ELECTRICAL EQUIPMENT.
Nov-2023 A UFGS 26 05 48.00 10 Seismic Protection for Electrical Equipment D Superseded by UFGS-26 05 48 SEISMIC PROTECTION FOR ELECTRICAL EQUIPMENT
Nov-2023 N UFGS 26 12 19 Pad-Mounted, Liquid-Filled, Medium Voltage Transformers C 2 Updated information in Related Materials: Three-Phase Pad-Mounted Transformer Details
Nov-2023 N UFGS 26 12 21 Single-Phase Pad-Mounted Transformers C 1 Updated information in Related Materials: Single-Phase Pad-Mounted Transformer Details; in response to CCRs 11442 and 14105, "ABB" has been updated to "ABB/Hitachi Energy in Reduced Submittal Requirements paragraph (1.4.2)
Nov-2023 A UFGS 26 13 32 Medium-Voltage Switchgear, Gas-Insulated N New UFGS Section
Nov-2023 A UFGS 26 22 00.00 10 480-Volt Station Service Switchgear and Transformers R Complete review and update.
Nov-2023 A UFGS 26 55 53 Security Lighting N Renumbered/Superseded NASA UFGS-26 55 53.00 40 without revision
Nov-2023 N UFGS 31 31 16.13 Chemical Termite Control C 1 In response to CCR 13819, revised the Termiticides paragraph (2.2.1), as well as several minor edits
Nov-2023 A UFGS 32 01 11.51 Rubber and Paint Removal From Airfield Pavements R Complete review and update. Preparing Activity changed from NAVFAC to USACE.
Nov-2023 A UFGS 32 01 11.51 Rubber and Paint Removal From Airfield Pavements R Complete review and update.
Nov-2023 A UFGS 32 01 13.62 Bituminous Surface Treatment [and] [Sand Seal] R Complete review and update, including section title change from ASPHALT SURFACE TREATMENT to BITUMINOUS SURFACE TREATMENT [AND] [SAND SEAL].
Nov-2023 A UFGS 32 01 13.64 Rejuvenation of Asphalt Pavement Surfaces R Complete review and update, including section title change from BITUMINOUS PAVEMENT LIQUID REJUVENATING to REJUVENATION OF ASPHALT PAVEMENT SURFACES.
Nov-2023 A UFGS 32 01 17.61 Sealing Cracks in Asphalt Paving C 1 Incorporated CCR #13888.
Nov-2023 A UFGS 32 01 18.71 Grooving of Airfield Paving R Complete review and update. Added new Related Materials.
Nov-2023 A UFGS 32 12 36.13 Bituminous Fog Seal R Complete review and update, including section title change from ASPHALTIC SEAL AND FOG COATS to BITUMINOUS FOG SEAL.
Nov-2023 N UFGS 33 11 00 Water Utility Distribution Piping C 2 In response to the following CCRs: 13045, updated paragraph reference in first Specifier Note of MATERIALS paragraph (2.1); and 13586, added paragraph Knife Gate Valves (2.1.2.3) and reference AWWA C520
Nov-2023 F UFGS 33 32 16 Packaged Utility Wastewater Pumping Stations C 1 Incorporated various CCRs.
Nov-2023 A UFGS 35 05 40.14 10 Hydraulic Power Systems for Civil Works Structures R Superseding UFGS-41 24 26 HYDRAULIC POWER SYSTEMS. Complete review and update.
Nov-2023 A UFGS 35 31 19 Stone, Channel, Shoreline/Coastal Protection for Structures R Complete review and update.
Nov-2023 A UFGS 35 31 19.20 Articulating Concrete Block Revetments R Complete review and update.
Nov-2023 A UFGS 41 24 26 Hydraulic Power Systems D Superseded by UFGS-35 05 40.14 10 HYDRAULIC POWER SYSTEMS FOR CIVIL WORKS STRUCTURES.
Nov-2023 N UFGS 46 07 53 Packaged Wastewater Treatment Equipment C 2 In response to CCR 13074, updated to imperative mood; removed "shall" from the Section text.
Nov-2023 A UFGS 48 06 15 Turbine Oil R Complete review and update.