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Below is a listing of the Revisions and Changes made to UFGS Sections for each quarterly release.

To view a list for a specific UFGS Release, select the UFGS release date from the 'Release' drop-down and click 'Apply'.

To view a list of all the revisions and changes made to a specific UFGS Section, select 'Any' from the "Release' drop down, type the Section number into the Search bar and select the Section to view, then click 'Apply'.

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To view the complete detailed history of all the revisions and changes made to a UFGS Section, click on the Section title.

KEY PREPARING ACTIVITY (PA) A Army N Navy F Air Force S NASA
ACTION N New R Revision C Change D Deletion
Release PA UFGS Section Actionsort descending Change # Nature of Change or Revision
Apr-2008 N UFGS 41 22 13.13 20 Cranes, Overhead Electric, Top Running (Under 20,000 Pounds) D Superseded by (Unified section) UFGS 41 22 13.14 Bridge Cranes, Overhead Electric, Top Running Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Apr-2008 N UFGS 41 22 13.14 20 Cranes, Overhead Electric, Underrunning D Superseded by UFGS 41 22 13.15 Bridge Cranes, Overhead Electric,Under Running Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Apr-2008 N UFGS 41 22 23.23 20 Portal Crane Track Installation D Superseded by UFGS 41 22 13.33 with same title Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Apr-2008 A UFGS 41 22 23.19 10 Monorails with Electric, Air, or Manual Powered Hoist D Superseded by UFGS 41 22 23.19 Monorail Hoists Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 N UFGS 02 65 00.00 20 Underground Storage Tank Removal D Superseded by UFGS 02 65 00 (Preparing Activity: USACE) with same title Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 A UFGS 02 65 01.00 10 Underground Storage Tank Removal D Superseded by UFGS 02 65 00 (Preparing Activity: USACE) with same title Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 N UFGS 05 50 00 Metal: Miscellaneous and Fabrications D Superseded by UFGS 05 50 13 Miscellaneous Metal Fabrications, UFGS 05 51 33 Metal Ladders, UFGS 05 52 00 Metal Railings, and UFGS 05 51 00 Metal Stairs Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 A UFGS 05 50 03.00 10 Metalwork Fabrication, Machine Work, Miscellaneous Provisions D Superseded by UFGS 05 50 14 Structural Metal Fabrications Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 A UFGS 05 50 04.00 10 Metals: Miscellaneous, Standard Articles, Shop Fabricated Items for Civil Works Structures D Superseded by UFGS 05 50 15 Civil Works Fabrications Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 S UFGS 08 34 53.00 40 Security Doors and Frames D Renumbered/ Superseded by UFGS 08 34 53 with same title Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 N UFGS 09 62 50.10 Thin Film Flooring System for Aircraft Maintenance Facilities D Superseded by UFGS 09 67 23.15 Fuel Resistive Resinous Flooring, 3-Coat System Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 N UFGS 09 62 50.12 Epoxy Mortar Flooring System for Aircraft Maintenance Facilities D Superseded by UFGS 09 67 23.16 Resealing of Joints in Rigid Pavement Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 N UFGS 11 82 19 Packaged Incinerators D Superseded by UFGS 11 82 20 Incinerators, General Purpose and UFGS 11 82 21 Medical Waste Incinerators Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2014 A UFGS 05 05 23 Welding, Structural D Superseded by UFGS 05 05 23.16 Structural Welding for compliance with MasterFormat. Also, major revision to comply with ICC IBC 2012. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2014 A UFGS 07 08 27.00 10 Building Air Barrier System Testing for Commissioning D Superseded by UFGS 07 05 23 Pressure Testing an Air Barrier System for Air Tightness and UFGS 07 27 10.00 10 Building Air Barrier System. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2014 A UFGS 35 01 43 Wire Rope for Gate Operating Devices D In combination with a major revision, section number changed for compliance with MasterFormat. Superseded by UFGS 35 01 70.13 Wire Rope for Gate Operating Devices. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 S UFGS 23 73 13.00 40 Modular Indoor Central-Station Air-Handling Units D Renumbered/ Superseded by UFGS 23 73 13 with same title
Aug-2008 S UFGS 22 07 19.00 40 Plumbing Piping Insulation D Renumbered/ Superseded by UFGS 22 07 19 with same title Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 S UFGS 22 14 29.00 Sump Pumps D Renumbered/ Superseded by UFGS 22 14 29 with same title Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 S UFGS 22 15 14.00 40 General Service Compressed-Air Systems, Low Pressure D Renumbered/ Superseded by UFGS 22 15 14 with same title Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 S UFGS 23 00 00.00 40 Heating, Ventilating, and Air Conditioning D Superseded by UFGS 23 00 00 Air Supply, Distribution, Ventilation, and Exhaust Systems (Preparing Activity: USACE) Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 S UFGS 23 05 00.00 40 Common Work Results for HVAC D Superseded by UFGS 23 05 15 Common Piping for HVAC Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 S UFGS 23 22 00.00 40 Steam and Condensate Piping and Pumps D Superseded by UFGS 23 22 23 Steam Condensate Pumps (formerly Steam Valves) Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 S UFGS 23 22 13.35 40 Steam Traps D Renumbered/ Superseded by UFGS 23 22 13.35 with same title
Aug-2008 S UFGS 23 34 23.00 40 HVAC Power Ventilators D Renumbered/ Superseded by UFGS 23 34 23 with same title
Aug-2008 S UFGS 23 37 13.00 40 Diffusers, Registers, and Grills D Renumbered/ Superseded by UFGS 23 37 13 with same title
Aug-2008 S UFGS 23 41 13.00 40 Panel Filters D Renumbered/ Superseded by UFGS 23 41 13 with same title
Aug-2008 S UFGS 23 55 13.00 40 Fuel-Fired Duct Heaters D Superseded by UFGS 23 82 43 Electric Duct Heaters
Aug-2008 A UFGS 23 64 00.00 10 Liquid Chillers D Superseded by UFGS 23 64 00 Packaged Water Chillers, Absorption Type and UFGS 23 64 10 Water Chillers, Vapor Compression Type
Aug-2008 A UFGS 23 65 00.00 10 Cooling Tower D Superseded by UFGS 23 65 00 Cooling Towers
Aug-2008 N UFGS 23 66 00.00 20 Central Refrigeration Equipment for Air Conditioning D Superseded by UFGS 23 64 00 Packaged Water Chillers, Absorption Type and UFGS 23 64 10 Water Chillers, Vapor Compression Type, and UFGS 23 65 00 Cooling Towers
Aug-2008 S UFGS 23 74 33.00 40 Small HVAC Units, Cooling-Only, Recirculating, Split and Unitary for Window and Floor Mounting D Renumbered/ Superseded by UFGS 23 74 33 with same title
Aug-2008 S UFGS 23 81 43.00 40 Air-Source Unitary Heat Pumps D Redundant to UFGS 23 82 02.00 10 Unitary Heating and Cooling Equipment and UFGS 23 81 00.00 20 Unitary Air Conditioning Equipment
Aug-2008 S UFGS 23 82 16.00 40 Air Coils D Renumbered/ Superseded by UFGS 26 82 16 with same title
Aug-2008 S UFGS 23 82 19.00 40 Fan Coil Units D Renumbered/ Superseded by UFGS 23 82 19 with same title
Aug-2008 S UFGS 23 82 23.00 40 Unit Ventilators D Renumbered/ Superseded by UFGS 23 82 23 with same title
Aug-2008 S UFGS 26 05 00.00 40 Common Work Results for Electrical D Renumbered/ Superseded by UFGS 26 05 00 with same title
Aug-2008 S UFGS 26 27 26.00 40 Wiring Devices D Redundant to UFGS 26 05 00 Common Work Results for Electrical
Aug-2008 S UFGS 26 28 16.00 40 Enclosed Switches and Circuit Breakers D Superseded by UFGS 26 28 21.00 40 Automatic Transfer Switches
May-2014 A UFGS 41 24 27.00 10 Hydraulic Power Systems for Civil Works Structures D In combination with a major revision, section number changed for compliance with MasterFormat. Superseded by UFGS 35 05 40.14 10 Hydraulic Power Systems for Civil Works Structures. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2014 A UFGS 48 13 19.00 10 Turbine Oil D Superseded by UFGS 48 06 15 Turbine Oil. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2014 S UFGS 12 48 13.13 Entrance Floor Mats D Superseded by UFGS 12 48 13 Entrance Floor Mats and Frames Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2014 A UFGS 26 55 53.00 10 Exterior Lighting Including Security and CCTV Applications D Superseded by UFGS 26 56 00 through unification Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2014 A UFGS 33 70 02.00 10 Electrical Distribution System, Underground D Superseded by UFGS 33 71 02 Underground Electrical Distribution through unification Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Feb-2014 N UFGS 33 71 02.00 20 Underground Electrical Distribution D Superseded by UFGS 33 71 02 Underground Electrical Distribution through unification Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2013 A UFGS 09 30 00 Ceramic Tile, Quarry Tile, and Paver Tile D Superseded by UFGS 09 30 13 Ceramic Tiling. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2013 N UFGS 26 12 19.20 Single-Phase Pad-Mounted Transformers D Retired; Superseded by UFGS 26 12 21 Single-Phase Pad-Mounted Transformers. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2013 N UFGS 26 41 00.00 20 Lightning Protection System D Superseded by UFGS 26 41 00 Lightning Protection System. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2013 A UFGS 27 15 19.00 10 Wire Line Data Transmission System D Superseded by UFGS 27 10 00 BUILDING TELECOMMUNICATIONS CABLING SYSTEM. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2013 A UFGS 27 21 10.00 10 Fiber Optic Data Transmission System D Superseded by UFGS 27 10 00 BUILDING TELECOMMUNICATIONS CABLING SYSTEM. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2013 A UFGS 33 82 33.00 10 Coaxial Cable Data Transmission System D Superseded by UFGS 27 10 00 BUILDING TELECOMMUNICATIONS CABLING SYSTEM. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2013 A UFGS 00 31 10 Metric Measurements D Section removed from UFGS Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2013 N UFGS 26 56 00.00 20 Exterior Lighting D Superseded by UFGS 26 56 00 Exterior Lighting, Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2012 A UFGS 09 65 36 Static-Control Resilient Flooring D Superseded by UFGS 09 62 38 Static Control Flooring for conformance with current CSI MasterFormat. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2012 A UFGS 10 14 02 Interior Signage D Superseded by UFGS 10 14 00.20 Interior Signage for conformance with current CSI MasterFormat. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2012 A UFGS 11 82 21 Medical Waste Incinerators D Removed from database as the subject is no longer necessary as a guide specification. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2012 A UFGS 32 12 15 Hot-Mix Asphalt (HMA) for Airfields D Superseded by UFGS 32 12 15.13 Hot-Mix Asphalt Airfield Paving for conformance with current CSI MasterFormat. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2012 S UFGS 03 41 16 Precast Concrete Slabs (Max. Span 8'-0" O.C.) D Section renumbered to 03 41 16.08 in compliance with CSI MasterFormat with no title change Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 S UFGS 26 35 33 Power Factor Correction Equipment D Renumbered/ Superseded by UFGS 26 35 33.00 40 with same title
Aug-2008 S UFGS 26 51 13.09 40 Fluorescent Luminaries D Superseded by UFGS 26 51 00 Interior Lighting (Preparing Activity NAVFAC)
Aug-2008 S UFGS 26 53 00.00 40 Exit Signs D Renumbered/ Superseded by UFGS 26 53 00 with same title
Aug-2008 S UFGS 26 54 00.00 40 Classified, Special Purpose, Exterior Lighting D Section no longer required; Information is covered in other UFGS sections
Aug-2008 S UFGS 26 60 13 Low-Voltage Motors D NASA reclassified this as fifth level; Renumbered/ Superseded by UFGS 26 60 13.00 40 with no title change
Aug-2008 S UFGS 27 05 28.36 40 Cable Trays for Communications Systems D Renumbered/ Superseded by UFGS 27 05 28.36 with same title
Aug-2008 N UFGS 27 31 00.00 20 Administrative Telephone Equipment, Inside Plant D Deleted with no superseding section
Aug-2008 A UFGS 31 63 26.00 10 Drilled Foundation Caissons (Piers) D Superseded by UFGS 31 63 26 Drilled Caissons
Aug-2008 N UFGS 31 63 26.16 20 Drilled Foundation Caissons D Superseded by UFGS 31 63 26 Drilled Caissons
Aug-2008 A UFGS 32 12 20 Porous Friction Course for Airfields and Roads D Superseded by UFGS 32 12 43.16 with no title change
Aug-2008 N UFGS 33 11 23.00 20 Natural Gas and Liquid Petroleum Piping D Superseded; Renumbered as UFGS 33 11 23 with no title change
Aug-2008 S UFGS 33 71 39.13 40 Overhead High-Voltage Wiring D Redundant to UFGS 33 71 01 Overhead Transmission and Distribution (Preparing Activity NAVFAC)
Aug-2008 S UFGS 33 77 36 Medium-Voltage Utility Fuses D Renumbered/ Superseded by UFGS 33 77 36.00 40 with same title
Aug-2008 S UFGS 40 41 13.13 40 Process Piping Electrical Resistance Heat Tracing D Superseded by UFGS 23 82 46 Electric Unit Heaters
Aug-2008 N UFGS 41 22 03.13 20 Monorails with Manual Hoists D Superseded by UFGS 41 22 23.19 Monorail Hoists and UFGS 41 22 13.14 Bridge Cranes, Overhead Electric, Top Running
Aug-2008 N UFGS 41 22 03.16 20 Monorails with Air Motor Powered Hoists D Superseded by UFGS 41 22 23.19 Monorail Hoists
Apr-2008 N UFGS 41 22 03.19 20 Monorails with Electric Powered Hoists D Superseded by UFGS 41 22 23.19 Monorail Hoists Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 S UFGS 42 22 13.00 40 Centrifugal Process Chillers and Coolers D Renumbered/ Superseded by UFGS 42 22 13 with no title change
Aug-2008 S UFGS 42 22 16.00 40 Reciprocating Process Chillers and Coolers D Renumbered/ Superseded by UFGS 42 22 16 with no title change
Aug-2008 S UFGS 42 23 13.00 40 Process Condensers D Renumbered/ Superseded by UFGS 42 23 13 with no title change
May-2012 N UFGS 00 73 02 Supplementary Conditions for Iceland Projects D Section has been deleted as the base in Iceland is now closed. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
May-2012 A UFGS 04 01 40 Restoration and Cleaning of Masonry in Historic Structures D Section renumbered in compliance with CSI MasterFormat to 04 01 00.91 with no title change. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2008 S UFGS 28 05 26 Grounding and Bonding for Electronic Safety and Security D Superseded by reinstated NASA section UFGS 28 05 26.00 40 with same title
Nov-2014 A UFGS 31 31 16 Soil Treatment for Subterranean Termite Control D Section renumbered and renamed to comply with CSI MasterFormat; Superseded by UFGS 31 31 16.13 Chemical Termite Control. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 A UFGS 27 41 00.00 10 Nurse Call Audio-Visual (NCAV) System D Superseded by UFGS 27 52 24 Nurse Call System. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 N UFGS 27 52 23.00 20 Nurse Call System D Superseded by UFGS 27 52 24 Nurse Call System. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 A UFGS 27 52 32.00 10 Nurse Call Tone-Visual (NCTV) System D Superseded by UFGS 27 52 24 Nurse Call System. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 A UFGS 32 11 10 Drainage Layer D Superseded by UFGS 32 11 23.23 Base Course Drainage Layers. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 A UFGS 32 11 16 [Base Course for Rigid] [ and ] [Subbases for Flexible] Paving D Superseded by UFGS 32 11 20 with same title. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 A UFGS 32 11 26 Hot-Mix Bituminous Base Course for Roads and Streets D Retired; Section is outdated and no longer needed. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 N UFGS 32 12 36.19 Coal Tar Seal with Unvulcanized Rubber D Retired; Section is outdated and no longer needed. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 A UFGS 32 12 37 Fuel-Resistant (Coal Tar) Sealer D Retired; Section is outdated and no longer needed. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 A UFGS 32 12 43.16 Porous Friction Course for Airfields and Roads D Retired; Section is outdated and no longer needed. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 A UFGS 33 20 00 Water Wells D Superseded by UFGS 33 11 13 Potable Water Supply Wells. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 N UFGS 33 24 00.00 20 [Extraction] [Monitoring] Wells D Superseded by new unified section UFGS 33 51 39 Monitoring Wells. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 A UFGS 33 24 13 Groundwater Monitoring Wells D Superseded by new unified section UFGS 33 51 39 Monitoring Wells. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 A UFGS 43 21 13 Pumps: Water, Centrifugal D Superseded by UFGS 23 21 23 Hydronic Pumps. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 A UFGS 43 21 39 Pumps: Water, Vertical Turbine D Superseded by UFGS 23 21 23 Hydronic Pumps. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 A UFGS 43 32 69 Chemical Feed Systems D Superseded by UFGS 46 30 00 Water and Wastewater Chemical Feed Systems. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Aug-2017 A UFGS 43 32 76 Chlorine-Feeding Machines (Automatic, Semiautomatic and Manual) D Superseded by UFGS 46 31 11 Chlorine Gas Feed Equipment. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2008 N UFGS 22 07 10.00 20 Exterior Piping Insulation D Superseded by UFGS 22 07 19 Plumbing Piping Insulation. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.
Nov-2008 A UFGS 23 05 93.00 10 Testing, Adjusting, and Balancing of HVAC Systems D Superseded by UFGS 23 05 93 Testing, Adjusting, and Balancing for HVAC (Preparing Activity NAVFAC). Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.

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