UFGS Changes and Revisions 
Related Materials: Policy on UFGS Changes and Revisions
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'.
After clicking 'Apply', you can PRINT REPORT, which will include the nature of the change/revision.
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 | Date | Action | Change # | Nature of Change or Revision |
|---|---|---|---|---|---|---|
| Aug-2008 | A | UFGS 12 65 00 Fixed Seating | Aug-2008 | R | General revision | |
| Aug-2008 | A | UFGS 13 48 00 [Seismic ]Bracing for Miscellaneous Equipment | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | S | UFGS 21 13 00.00 40 Fire-Suppression Sprinkler Systems | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | N | UFGS 21 13 22.00 20 Foam Fire Extinguishing for Haz/Flam Material Facility | Aug-2008 | R | Deleted reference to Y2K | |
| Aug-2008 | S | UFGS 21 13 26.00 40 Deluge Fire-Suppression Sprinkler Systems | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | S | UFGS 21 21 00.00 40 Carbon-Dioxide Fire Extinguishing Systems | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | N | UFGS 22 00 00 Plumbing, General Purpose | Aug-2008 | R | Deleted para 1.5.3 | |
| Aug-2008 | S | UFGS 22 07 19 Plumbing Piping Insulation | Aug-2008 | N | Superseding UFGS 22 07 10.00 20 Exterior Piping Insulation and UFGS 22 07 19.00 40 with same title; Minor Edits | |
| Aug-2008 | S | UFGS 22 07 19.00 40 Plumbing Piping Insulation | Jul-2007 | D | Renumbered/ Superseded by UFGS 22 07 19 with same title Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.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 Sump Pumps | Aug-2008 | N | Renumbered; Superseding UFGS 22 14 29.00 40 with same title; Minor Edits; Section References (SRF) update | |
| Aug-2008 | S | UFGS 22 14 29.00 Sump Pumps | Apr-2008 | 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 13.16 40 High-Pressure Compressed-Air Piping and Valves, Stainless | Apr-2008 | D | Renumbered/ Superseded by UFGS 22 15 13.16 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 13.16 High-Pressure Compressed-Air Piping, Piping Components, and Valves, Stainless | Aug-2008 | N | Renumbered; Superseding UFGS 22 15 13.16 40 with same title; Minor Edits | |
| Aug-2008 | S | UFGS 22 15 14 General Service Compressed-Air Systems, Low Pressure | Aug-2008 | N | Renumbered; Superseding UFGS 22 15 14.00 40 with same title; Minor Edits | |
| Aug-2008 | S | UFGS 22 15 14.00 40 General Service Compressed-Air Systems, Low Pressure | Apr-2008 | 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 22 66 53 Laboratory Chemical-Waste and Vent Piping | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | S | UFGS 23 00 00.00 40 Heating, Ventilating, and Air Conditioning | Jul-2007 | 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 | Apr-2008 | 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 05 15 Common Piping for HVAC | Aug-2008 | N | Renumbered; Superseding UFGS 23 05 00.00 40 Common Work Results for HVAC; Revised throughout | |
| Aug-2008 | S | UFGS 23 05 48 Vibration and Seismic Controls for HVAC Piping and Equipment | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | S | UFGS 23 05 93.00 40 Testing, Adjusting, and Balancing for HVAC Systems | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | N | UFGS 23 08 00.00 20 Commissioning of Mechanical[ and Plumbing] Systems | Aug-2008 | R | Added third approved industry org, reorganized and increased the number of submittals | |
| Aug-2008 | S | UFGS 23 09 13.34 Control Valves, Self-Contained | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | N | UFGS 23 09 23.13 20 BACnet Direct Digital Control Systems for HVAC | Aug-2008 | R | Replaced para 2.3.1 | |
| Aug-2008 | S | UFGS 23 09 33.00 40 Electric and Electronic Control System for HVAC | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | S | UFGS 23 09 33.13 40 Electric Control System for HVAC | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | S | UFGS 23 11 23.00 40 Facility Natural-Gas Piping | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | S | UFGS 23 22 00.00 40 Steam and Condensate Piping and Pumps | Apr-2008 | 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 | Jun-2006 | D | Renumbered/ Superseded by UFGS 23 22 13.35 with same title | |
| Aug-2008 | S | UFGS 23 22 13.35 Steam Traps | Aug-2008 | N | Renumbered; Superseding UFGS 23 22 13.35 40 with same title; Minor Edits | |
| Aug-2008 | S | UFGS 23 22 23 Steam Condensate Pumps | Aug-2008 | R | Title changed from Steam Valves; Superseding UFGS 23 22 00.00 40 Steam and Condensate Piping and Pumps; correct section numbering error and minor edits | |
| Aug-2008 | S | UFGS 23 22 25 Steam Valves | Aug-2008 | N | Superseding UFGS 23 22 23 with same title - Due to section numbering error in April 2008 release | |
| Aug-2008 | S | UFGS 23 31 13 Metal Ducts | Aug-2008 | R | Title changed from Ducts, Low Pressure; Section References (SRF) update | |
| Aug-2008 | S | UFGS 23 34 23 HVAC Power Ventilators | Aug-2008 | N | Renumbered; Superseding UFGS 23 34 23.00 40 with same title; Minor Edits | |
| Aug-2008 | S | UFGS 23 34 23.00 40 HVAC Power Ventilators | Apr-2008 | D | Renumbered/ Superseded by UFGS 23 34 23 with same title | |
| Aug-2008 | S | UFGS 23 36 00 Air Terminal Units | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | S | UFGS 23 37 13 Diffusers, Registers, and Grills | Aug-2008 | N | Renumbered; Superseding UFGS 23 37 13.00 40 with same title; Revised throughout | |
| Aug-2008 | S | UFGS 23 37 13.00 40 Diffusers, Registers, and Grills | Apr-2008 | D | Renumbered/ Superseded by UFGS 23 37 13 with same title | |
| Aug-2008 | S | UFGS 23 37 23.00 40 HVAC Gravity Ventilators | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | S | UFGS 23 41 13 Panel Filters | Aug-2008 | N | Renumbered; Superseding UFGS 23 41 13.00 40 with same title; Minor Edits | |
| Aug-2008 | S | UFGS 23 41 13.00 40 Panel Filters | Jul-2007 | D | Renumbered/ Superseded by UFGS 23 41 13 with same title | |
| Aug-2008 | S | UFGS 23 55 13.00 40 Fuel-Fired Duct Heaters | Jan-2007 | D | Superseded by UFGS 23 82 43 Electric Duct Heaters | |
| Aug-2008 | N | UFGS 23 64 00 Packaged Water Chillers, Absorption Type | Aug-2008 | N | Superseding UFGS 23 64 00.00 10 Liquid Chillers and UFGS 23 66 00.00 20 Central Refrigeration Equipment for Air Conditioning | |
| Aug-2008 | A | UFGS 23 64 00.00 10 Liquid Chillers | Jan-2008 | D | Superseded by UFGS 23 64 00 Packaged Water Chillers, Absorption Type and UFGS 23 64 10 Water Chillers, Vapor Compression Type | |
| Aug-2008 | N | UFGS 23 64 10 Water Chillers, Vapor Compression Type | Aug-2008 | N | Superseding UFGS 23 64 00.00 10 Liquid Chillers and UFGS 23 66 00.00 20 Central Refrigeration Equipment for Air Conditioning | |
| Aug-2008 | N | UFGS 23 65 00 Cooling Towers and Remote Evaporatively-Cooled Condensers | Aug-2008 | N | Superseding UFGS 23 65 00.00 10 Cooling Tower and UFGS 23 66 00.00 20 Central Refrigeration Equipment for Air Conditioning | |
| Aug-2008 | A | UFGS 23 65 00.00 10 Cooling Tower | Jan-2008 | D | Superseded by UFGS 23 65 00 Cooling Towers | |
| Aug-2008 | N | UFGS 23 66 00.00 20 Central Refrigeration Equipment for Air Conditioning | Jul-2006 | 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 73 13 Modular Indoor Central-Station Air-Handling Units | Aug-2008 | N | Renumbered; Superseding UFGS 23 73 13.00 40 with same title; Minor Edits; Section References (SRF) update | |
| Aug-2008 | S | UFGS 23 73 13.00 40 Modular Indoor Central-Station Air-Handling Units | Apr-2008 | D | Renumbered/ Superseded by UFGS 23 73 13 with same title | |
| Aug-2008 | S | UFGS 23 74 33.00 40 Small HVAC Units, Cooling-Only, Recirculating, Split and Unitary for Window and Floor Mounting | Apr-2008 | 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 | Apr-2008 | 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 | N | UFGS 23 81 47 Water-Loop and Ground-Loop Heat Pump Systems | Aug-2008 | R | Minor revisions throughout | |
| Aug-2008 | S | UFGS 23 82 16 Air Coils | Aug-2008 | N | Renumbered; Superseding UFGS 23 82 16.00 40 with same title; Minor Edits | |
| Aug-2008 | S | UFGS 23 82 16.00 40 Air Coils | Jul-2007 | D | Renumbered/ Superseded by UFGS 26 82 16 with same title | |
| Aug-2008 | S | UFGS 23 82 19 Fan Coil Units | Aug-2008 | N | Renumbered; Superseding UFGS 23 82 19.00 40 with same title; Minor Edits | |
| Aug-2008 | S | UFGS 23 82 19.00 40 Fan Coil Units | Apr-2008 | D | Renumbered/ Superseded by UFGS 23 82 19 with same title | |
| Aug-2008 | S | UFGS 23 82 23 Unit Ventilators | Aug-2008 | N | Renumbered; Superseding UFGS 23 82 23.00 40 with same title; Minor Edits | |
| Aug-2008 | S | UFGS 23 82 23.00 40 Unit Ventilators | Apr-2008 | D | Renumbered/ Superseded by UFGS 23 82 23 with same title | |
| Aug-2008 | S | UFGS 23 82 43 Electric Duct Heaters | Aug-2008 | N | Renumbered; Superseding UFGS 23 55 13.00 40 Fuel-Fired Duct Heaters; Minor Edits | |
| Aug-2008 | S | UFGS 23 82 46 Electric Unit Heaters | Aug-2008 | N | Superseding UFGS 40 41 13.13 40 Process Piping Electrical Resistance Heat Tracing | |
| Aug-2008 | S | UFGS 26 05 00 Common Work Results for Electrical | Aug-2008 | N | Renumbered; Superseding UFGS 26 05 00.00 40 with same title; Minor Edits | |
| Aug-2008 | S | UFGS 26 05 00.00 40 Common Work Results for Electrical | Apr-2008 | D | Renumbered/ Superseded by UFGS 26 05 00 with same title | |
| Aug-2008 | S | UFGS 26 05 13.00 10 Medium-Voltage Cables | Aug-2008 | R | Revised throughout | |
| Aug-2008 | S | UFGS 26 05 73.00 40 Overcurrent Protective Devices | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | N | UFGS 26 08 00 Apparatus Inspection and Testing | Aug-2008 | R | Deleted reference to L-16303, changed Transmission Distribution to Electrical Distribution | |
| Aug-2008 | S | UFGS 26 18 23.00 40 Medium-Voltage Surge Arresters | Aug-2008 | R | Minor Edits | |
| Aug-2008 | N | UFGS 26 20 00 Interior Distribution System | Aug-2008 | R | Deleted reference to L-16303 and note, changed Transmission Distribution to Electrical Distribution | |
| Aug-2008 | S | UFGS 26 26 00.00 40 Power Distribution Units | Aug-2008 | R | Section References (SRF) update | |
| Aug-2008 | S | UFGS 26 27 26.00 40 Wiring Devices | Jul-2007 | 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 | Jul-2007 | D | Superseded by UFGS 26 28 21.00 40 Automatic Transfer Switches | |
| Aug-2008 | S | UFGS 26 28 21.00 40 Automatic Transfer Switches | Aug-2008 | N | Superseding UFGS 26 28 16.00 40 Enclosed Switches and Circuit Breakers; Minor Edits | |
| Aug-2008 | S | UFGS 26 35 33 Power Factor Correction Equipment | Apr-2008 | D | Renumbered/ Superseded by UFGS 26 35 33.00 40 with same title | |
| Aug-2008 | S | UFGS 26 35 33.00 40 Power Factor Correction Equipment | Aug-2008 | N | Renumbered; Superseding UFGS 26 35 33 with same title | |
| Aug-2008 | S | UFGS 26 51 13.09 40 Fluorescent Luminaries | Apr-2007 | D | Superseded by UFGS 26 51 00 Interior Lighting (Preparing Activity NAVFAC) | |
| Aug-2008 | S | UFGS 26 53 00 Exit Signs | Aug-2008 | N | Renumbered; Superseding UFGS 26 53 00.00 40 with same title | |
| Aug-2008 | S | UFGS 26 53 00.00 40 Exit Signs | Jan-2007 | 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 | Jul-2007 | D | Section no longer required; Information is covered in other UFGS sections | |
| Aug-2008 | S | UFGS 26 60 13 Low-Voltage Motors | Jul-2007 | D | NASA reclassified this as fifth level; Renumbered/ Superseded by UFGS 26 60 13.00 40 with no title change | |
| Aug-2008 | S | UFGS 26 60 13.00 40 Low-Voltage Motors | Aug-2008 | N | Renumbered; Superseding UFGS 26 60 13 with same title | |
| Aug-2008 | S | UFGS 27 05 28.36 40 Cable Trays for Communications Systems | Jul-2007 | D | Renumbered/ Superseded by UFGS 27 05 28.36 with same title | |
| Aug-2008 | S | UFGS 27 05 28.36 Cable Trays for Communications Systems | Aug-2008 | N | Renumbered; Superseding UFGS 27 05 28.36 40 with same title; Minor Edits | |
| Aug-2008 | N | UFGS 27 31 00.00 20 Administrative Telephone Equipment, Inside Plant | Apr-2006 | D | Deleted with no superseding section | |
| Aug-2008 | S | UFGS 28 05 26 Grounding and Bonding for Electronic Safety and Security | Jan-2008 | D | Superseded by reinstated NASA section UFGS 28 05 26.00 40 with same title | |
| Aug-2008 | S | UFGS 28 05 26.00 40 Grounding and Bonding for Electrical Systems | Aug-2008 | N | Reinstated NASA section; Renumbered/ Superseding UFGS 28 05 26 with same title; Section References (SRF) update | |
| Aug-2008 | S | UFGS 28 33 00.00 40 Fuel-Gas Detection and Alarm | Aug-2008 | R | Minor Edits | |
| Aug-2008 | A | UFGS 31 00 00 Earthwork | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | A | UFGS 31 05 19 Geotextile | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | A | UFGS 31 05 20 Geosynthetic Drainage Layer | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | A | UFGS 31 05 21 Geogrid Soil Reinforcement | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | A | UFGS 31 05 22 Geotextiles Used as Filters | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | A | UFGS 31 10 00 Site Clearing | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | A | UFGS 31 11 00 Clearing and Grubbing | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | A | UFGS 31 21 00 Off-Gassing Mitigation | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | A | UFGS 31 31 16 Soil Treatment for Subterranean Termite Control | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | A | UFGS 31 31 16.21 Mesh Termite Barrier | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | A | UFGS 31 32 11 Soil Surface Erosion Control | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | A | UFGS 31 32 23 Foundation Drilling and Grouting | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | A | UFGS 31 32 39 Bioengineering Practices for Stream Bank and Shoreline Stabilization | Aug-2008 | R | Compliance with CSI SectionFormat | |
| Aug-2008 | A | UFGS 31 36 00 Gabions | Aug-2008 | R | Compliance with CSI SectionFormat |
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