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'.
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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 |
|---|---|---|---|---|---|---|
| Jan-2007 | S | UFGS 26 05 73.00 40 Overcurrent Protective Devices | Jan-2007 | R | Section References (SRF) update | |
| Oct-2006 | S | UFGS 26 05 73.00 40 Overcurrent Protective Devices | Oct-2006 | R | Reference Update | |
| Jun-2006 | S | UFGS 26 05 73.00 40 Overcurrent Protective Devices | Jun-2006 | R | Title changed from OVERCURRENT PROTECTIVE DEVICES; Reference and Section References (SRF) updated | |
| Feb-2015 | N | UFGS 26 08 00 Apparatus Inspection and Testing | Aug-2008 | C | 1 | Modified subpart 3.1 e. |
| 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-2021 | N | UFGS 26 08 00 Apparatus Inspection and Testing | Aug-2008 | C | 2 | Incorporated optional paragraphs in PART 3 regarding UFGS Sections 26 35 43 400-HERTZ (HZ) SOLID STATE FREQUENCY CONVERTER and 26 35 44 270 VDC SOLID STATE CONVERTER. |
| Nov-2021 | N | UFGS 26 08 00 Apparatus Inspection and Testing | Nov-2021 | R | Complete review and revision including CCRs 7038 and 8614. | |
| Nov-2022 | N | UFGS 26 08 00 Apparatus Inspection and Testing | Nov-2022 | R | Complete review to correct passive voice and address CCRs. | |
| Nov-2008 | A | UFGS 26 09 13 Power Monitoring System | Nov-2008 | R | Compliance with CSI SectionFormat | |
| May-2015 | A | UFGS 26 09 13 Power Monitoring System | Nov-2008 | D | Retired; outdated technology, Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives. | |
| Aug-2016 | S | UFGS 26 09 23.00 40 Lighting Control Devices | Aug-2016 | R | Tri-Annual Database Maintenance (TADM) completed | |
| Aug-2010 | S | UFGS 26 09 23.00 40 Lighting Control Devices | Aug-2010 | R | Standard tailoring for RCBEA incorporated; other minor revisions throughout | |
| Aug-2013 | S | UFGS 26 09 23.00 40 Lighting Control Devices | Aug-2013 | R | Tri-Annual Database Maintenance (TADM) completed | |
| Nov-2008 | S | UFGS 26 09 23.00 40 Lighting Control Devices | Nov-2008 | R | Revised throughout towards unification | |
| Jul-2007 | S | UFGS 26 09 23.00 40 Lighting Control Devices | Jul-2007 | R | Reference Update | |
| Jan-2007 | S | UFGS 26 09 23.00 40 Lighting Control Devices | Jan-2007 | R | Section References (SRF) update | |
| Jun-2006 | S | UFGS 26 09 23.00 40 Lighting Control Devices | Jun-2006 | R | Title changed from PHOTO CONTROL DEVICES; Reference and Section References (SRF) updated | |
| Aug-2019 | S | UFGS 26 09 23.00 40 Lighting Control Devices | Aug-2019 | R | Tri-Annual Database Maintenance (TADM) which consists of updating of Section Format, imperative language and formatting review, and verification of all reports and spelling. | |
| Apr-2007 | N | UFGS 26 11 13 Secondary Unit Substations | Apr-2006 | D | Superseded by UFGS 26 11 16 Secondary Unit Substations Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives. | |
| Aug-2017 | N | UFGS 26 11 13.00 20 Primary Unit Substation | Apr-2007 | C | 1 | Updated to coordinate archiving of Section 23 09 23.13 20 BACnet Direct Digital Control Systems for HVAC to meet the requirement of 10 USC 2867 to adopt a “Department wide, Open Protocol, Energy Monitoring and Utility Control System Specification” for use in military construction and military family housing activities. |
| Aug-2018 | N | UFGS 26 11 13.00 20 Primary Unit Substation | Apr-2007 | C | 2 | Sustainability updates required to coordinate with the Federal Codes and DoD policies and procedures. |
| Apr-2007 | N | UFGS 26 11 13.00 20 Primary Unit Substation | Apr-2007 | N | Superseding UFGS 26 11 16.00 20 Primary Unit Substations | |
| Nov-2021 | N | UFGS 26 11 13.00 20 Primary Unit Substation | Nov-2021 | R | Complete review and revision. | |
| Jan-2007 | S | UFGS 26 11 13.00 40 Primary Unit Substations | Jun-2006 | D | Information already provided in UFGS 26 11 16.00 20 Primary Unit Substations Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives. | |
| Jun-2006 | S | UFGS 26 11 13.00 40 Primary Unit Substations | Jun-2006 | R | Title changed from PRIMARY UNIT SUBSTATION; Reference and Section References (SRF) updated | |
| Oct-2007 | A | UFGS 26 11 14.00 10 Main Electric Supply Station and Substation | Oct-2007 | R | Updated seismic criteria | |
| Nov-2021 | A | UFGS 26 11 14.00 10 Main Electric Supply Station and Substation | Nov-2021 | R | Complete review and update. | |
| Aug-2017 | N | UFGS 26 11 16 Secondary Unit Substations | Feb-2010 | C | 1 | Updated to coordinate archiving of Section 23 09 23.13 20 BACnet Direct Digital Control Systems for HVAC to meet the requirement of 10 USC 2867 to adopt a “Department wide , Open Protocol , Energy Monitoring and Utility Control System Specification” for use in military construction and military family housing activities. |
| Feb-2010 | N | UFGS 26 11 16 Secondary Unit Substations | Feb-2010 | R | Section References (SRF) update | |
| Apr-2007 | N | UFGS 26 11 16 Secondary Unit Substations | Apr-2007 | N | Superseding UFGS 26 11 13 Secondary Unit Substations | |
| Nov-2019 | N | UFGS 26 11 16 Secondary Unit Substations | Feb-2010 | C | 2 | FAR/DFAR changes no longer permit the use of "brand name or equal" in the UFGS, therefore, the following language was removed from the paragraph/list WARNING SIGNS (2.5-a.), "Decal shall be Panduit No. PPSO710D72 or approved equal.". |
| Nov-2021 | N | UFGS 26 11 16 Secondary Unit Substations | Nov-2021 | R | Complete review and revision. | |
| Apr-2007 | N | UFGS 26 11 16.00 20 Primary Unit Substations | Apr-2006 | D | Superseded by UFGS 26 11 13.00 20 Primary Unit Substations Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives. | |
| Jan-2007 | S | UFGS 26 11 16.00 40 Secondary Unit Substations | Jun-2006 | D | Information already provided in UFGS 26 11 13 Secondary Unit Substations Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives. | |
| Jun-2006 | S | UFGS 26 11 16.00 40 Secondary Unit Substations | Jun-2006 | R | Title changed from SECONDARY UNIT SUBSTATION; Reference and Section References (SRF) updated | |
| Nov-2008 | S | UFGS 26 12 00.00 40 Medium-Voltage Transformers | Jul-2007 | D | Superseded by UFGS 26 12 19.00 40 Pad-Mounted, Liquid-Filled, Medium-Voltage Transformers. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives. | |
| Jul-2007 | S | UFGS 26 12 00.00 40 Medium-Voltage Transformers | Jul-2007 | R | Reference Update | |
| Apr-2007 | S | UFGS 26 12 00.00 40 Medium-Voltage Transformers | Apr-2007 | R | Reference Update | |
| Jan-2007 | S | UFGS 26 12 00.00 40 Medium-Voltage Transformers | Jan-2007 | R | Section References (SRF) update | |
| Jun-2006 | S | UFGS 26 12 00.00 40 Medium-Voltage Transformers | Jun-2006 | R | Title changed from DISTRIBUTION TRANSFORMERS; Reference and Section References (SRF) updated | |
| Aug-2017 | S | UFGS 26 12 19.00 40 Pad-Mounted, Liquid-Filled Medium-Voltage Transformers | Nov-2014 | C | 1 | Updated to coordinate archiving of Section 23 09 23.13 20 BACnet Direct Digital Control Systems for HVAC to meet the requirement of 10 USC 2867 to adopt a “Department wide, Open Protocol, Energy Monitoring and Utility Control System Specification” for use in military construction and military family housing activities. |
| Nov-2014 | S | UFGS 26 12 19.00 40 Pad-Mounted, Liquid-Filled Medium-Voltage Transformers | Nov-2014 | R | Tri-Annual Database Maintenance (TADM) completed. | |
| Aug-2010 | S | UFGS 26 12 19.00 40 Pad-Mounted, Liquid-Filled Medium-Voltage Transformers | Aug-2010 | R | Standard tailoring for RCBEA incorporated; other minor revisions throughout | |
| Nov-2013 | S | UFGS 26 12 19.00 40 Pad-Mounted, Liquid-Filled Medium-Voltage Transformers | Feb-2011 | C | 1 | Section 26 12 19.20 was replaced by 26 12 21 SINGLE-PHASED PAD- MOUNTED TRANSFORMERS within the General Note |
| Nov-2008 | S | UFGS 26 12 19.00 40 Pad-Mounted, Liquid-Filled Medium-Voltage Transformers | Nov-2008 | N | New section - towards unification | |
| Feb-2011 | S | UFGS 26 12 19.00 40 Pad-Mounted, Liquid-Filled Medium-Voltage Transformers | Feb-2011 | R | CCR #406 - comments were incorporated | |
| May-2023 | S | UFGS 26 12 19.00 40 Pad-Mounted, Liquid-Filled Medium-Voltage Transformers | May-2023 | R | Complete life cycle review. Updated technical requirements, references, formatting. | |
| May-2017 | N | UFGS 26 12 19.10 Three-Phase, Liquid-Filled Pad-Mounted Transformers | May-2017 | R | Revision included updating the minimum efficiency to meet 10 CFR 431, Subpart K, and meeting additional changes in transformer technology. | |
| May-2018 | N | UFGS 26 12 19.10 Three-Phase, Liquid-Filled Pad-Mounted Transformers | May-2017 | C | 1 | Change incorporates minor corrections and coordinates the use of Non-mineral insulating oil. |
| Nov-2009 | N | UFGS 26 12 19.10 Three-Phase, Liquid-Filled Pad-Mounted Transformers | Nov-2009 | R | Major revision | |
| Nov-2008 | N | UFGS 26 12 19.10 Three-Phase, Liquid-Filled Pad-Mounted Transformers | Nov-2008 | R | Meta Data (MTA) tag correction | |
| Aug-2011 | N | UFGS 26 12 19.10 Three-Phase, Liquid-Filled Pad-Mounted Transformers | Aug-2011 | R | Major revision | |
| Feb-2012 | N | UFGS 26 12 19.10 Three-Phase, Liquid-Filled Pad-Mounted Transformers | Feb-2012 | R | Modified subparts 2.2, 2.2.1, 2.2.1.1- 2.2.1.3, 2.2.2, 2.2.4, 3.4, 3.5 | |
| Aug-2018 | N | UFGS 26 12 19.10 Three-Phase, Liquid-Filled Pad-Mounted Transformers | May-2017 | C | 2 | Sustainability updates required to coordinate with the Federal Codes and DoD policies and procedures. |
| May-2019 | N | UFGS 26 12 19.10 Three-Phase, Liquid-Filled Pad-Mounted Transformers | May-2019 | R | New title (formerly THREE-PHASE PAD-MOUNTED TRANSFORMERS) CCR changes. | |
| Nov-2019 | N | UFGS 26 12 19.10 Three-Phase, Liquid-Filled Pad-Mounted Transformers | May-2019 | C | 1 | Incorporated dispersal of criteria from the retired UFC 3-440-05N TROPICAL ENGINEERING, and the addition of corrosion protection criteria to coordinate with UFC 1-200-01 DoD BUILDING CODE. In response to CCR 7565, as FAR/DFAR changes no longer permit the use of "brand name or equal" in the UFGS, the following language was removed from the paragraph WARNING SIGNS AND LABELS (2.3), "(decals, Panduit No. PPSO710D72 or approved equal)". |
| Nov-2023 | N | UFGS 26 12 19.10 Three-Phase, Liquid-Filled Pad-Mounted Transformers | May-2019 | C | 2 | Updated information in Related Materials: Three-Phase Pad-Mounted Transformer Details |
| Nov-2013 | N | UFGS 26 12 19.20 Single-Phase Pad-Mounted Transformers | Apr-2006 | 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. | |
| May-2017 | N | UFGS 26 12 21 Single-Phase Pad-Mounted Transformers | May-2017 | R | Revision included updating the minimum efficiency to meet 10 CFR 431, Subpart K, and meeting additional changes in transformer technology. | |
| Nov-2013 | N | UFGS 26 12 21 Single-Phase Pad-Mounted Transformers | Nov-2013 | N | Superseding UFGS 26 12 19.20 SINGLE-PHASE PAD-MOUNTED TRANSFORMERS | |
| Aug-2018 | N | UFGS 26 12 21 Single-Phase Pad-Mounted Transformers | May-2017 | C | 1 | Sustainability updates required to coordinate with the Federal Codes and DoD policies and procedures. |
| Nov-2019 | N | UFGS 26 12 21 Single-Phase Pad-Mounted Transformers | May-2017 | C | 2 | FAR/DFAR changes no longer permit the use of "brand name or equal" in the UFGS, therefore, the following language was removed from the paragraph/list WARNING SIGNS AND LABELS (2.6-a.), “(decals, Panduit No. PPSO710D72 or approved equal)”. |
| Nov-2022 | N | UFGS 26 12 21 Single-Phase Pad-Mounted Transformers | Nov-2022 | R | Updated section to address CCRs | |
| Nov-2023 | N | UFGS 26 12 21 Single-Phase Pad-Mounted Transformers | Nov-2022 | 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-2014 | N | UFGS 26 13 00 SF6/High-Firepoint Fluids Insulated Pad-Mounted Switchgear | Nov-2014 | N | Superseding UGFS 26 13 00.00 20 SF6/High- Firepoint Fluids Insulated Pad-Mounted Switchgear | |
| May-2021 | N | UFGS 26 13 00 SF6/High-Firepoint Fluids Insulated Pad-Mounted Switchgear | May-2021 | R | Complete review and update. | |
| May-2022 | N | UFGS 26 13 00 SF6/High-Firepoint Fluids Insulated Pad-Mounted Switchgear | May-2021 | C | 1 | Per CCR 8883, updated Automatic Switch Controls paragraph (2.1.4) with options for 120Vac control power. |
| Nov-2014 | N | UFGS 26 13 00.00 20 SF6/High-Firepoint Fluids Insulated Pad-Mounted Switchgear | Aug-2011 | D | Superseded by UFGS 26 13 00 with no title change. Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives. | |
| Aug-2011 | N | UFGS 26 13 00.00 20 SF6/High-Firepoint Fluids Insulated Pad-Mounted Switchgear | Aug-2011 | R | Major revision and title change (was SF6 Insulated Pad-Mounted Switchgear) | |
| Aug-2013 | N | UFGS 26 13 01 Pad-Mounted Dead-Front Air Insulated Switchgear | Aug-2013 | N | NEW | |
| Feb-2020 | N | UFGS 26 13 01 Pad-Mounted Dead-Front Air Insulated Switchgear | Aug-2013 | C | 1 | Complete review and update; CCRs to address updating references and use of imperative language |
| Nov-2021 | N | UFGS 26 13 13 Metal-Clad Switchgear | Nov-2021 | N | New section to address the requirements for metal-clad switchgear rated 1000 volts and above. | |
| Nov-2021 | N | UFGS 26 13 14 Switchgear House | Nov-2021 | N | New section to address the requirements for environmentally controlled, exterior prefabricated, pre-engineered structures to house a coordinated grouping of electrical switchgear and associated power and control equipment. | |
| Nov-2023 | A | UFGS 26 13 32 Medium-Voltage Switchgear, Gas-Insulated | Nov-2023 | N | New UFGS Section | |
| Aug-2016 | S | UFGS 26 18 23.00 40 Medium-Voltage Surge Arresters | Aug-2016 | R | Tri-Annual Database Maintenance (TADM) completed | |
| Aug-2010 | S | UFGS 26 18 23.00 40 Medium-Voltage Surge Arresters | Aug-2010 | R | Standard tailoring for RCBEA incorporated; other minor revisions throughout | |
| Aug-2013 | S | UFGS 26 18 23.00 40 Medium-Voltage Surge Arresters | Aug-2013 | R | Tri-Annual Database Maintenance (TADM) completed | |
| Aug-2008 | S | UFGS 26 18 23.00 40 Medium-Voltage Surge Arresters | Aug-2008 | R | Minor Edits | |
| Jul-2007 | S | UFGS 26 18 23.00 40 Medium-Voltage Surge Arresters | Jul-2007 | R | Reference Update | |
| Jan-2007 | S | UFGS 26 18 23.00 40 Medium-Voltage Surge Arresters | Jan-2007 | R | Section References (SRF) update | |
| Jun-2006 | S | UFGS 26 18 23.00 40 Medium-Voltage Surge Arresters | Jun-2006 | R | Title changed from SURGE ARRESTERS; Section References (SRF) updated | |
| Aug-2019 | S | UFGS 26 18 23.00 40 Medium-Voltage Surge Arresters | Aug-2019 | R | Tri-Annual Database Maintenance (TADM) which consists of updating of Section Format, imperative language and formatting review, and verification of all reports and spelling. | |
| Jul-2007 | S | UFGS 26 18 39.00 40 Medium-Voltage Controllers | Jan-2007 | D | Renamed to/Superseded by UFGS 26 60 13 Low Voltage Motors Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives. | |
| Jan-2007 | S | UFGS 26 18 39.00 40 Medium-Voltage Controllers | Jan-2007 | R | Section References (SRF) update | |
| Jun-2006 | S | UFGS 26 18 39.00 40 Medium-Voltage Controllers | Jun-2006 | R | Title changed from MOTORS; Reference and Section References (SRF) updated | |
| Aug-2017 | N | UFGS 26 20 00 Interior Distribution System | Feb-2014 | C | 1 | Updated to coordinate archiving of Section 23 09 23.13 20 BACnet Direct Digital Control Systems for HVAC to meet the requirement of 10 USC 2867 to adopt a “Department wide, Open Protocol, Energy Monitoring and Utility Control System Specification” for use in military construction and military family housing activities. |
| Feb-2014 | N | UFGS 26 20 00 Interior Distribution System | Feb-2014 | R | Major revision | |
| 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 | |
| Jul-2007 | N | UFGS 26 20 00 Interior Distribution System | Jul-2007 | R | Section References (SRF) update | |
| Aug-2019 | N | UFGS 26 20 00 Interior Distribution System | Aug-2019 | R | Complete review and update | |
| Nov-2019 | N | UFGS 26 20 00 Interior Distribution System | Aug-2019 | C | 1 | Incorporated dispersal of criteria from the retired UFC 3-440-05N TROPICAL ENGINEERING, and the addition of corrosion protection criteria to coordinate with UFC 1-200-01 DoD BUILDING CODE. |
| May-2021 | N | UFGS 26 20 00 Interior Distribution System | Aug-2019 | C | 2 | Incorporated CCR changes throughout this section. |
| Nov-2021 | N | UFGS 26 20 00 Interior Distribution System | Aug-2019 | C | 3 | In response to the following: CCR 10728, "Cable Trays" and optional "Cable Tray Design Data" were added to the Submittal Article under SD-03 and SD-05, respectively, and tagged in the CABLE TRAY paragraph; CCR 10729, optional text added for the cable tray to serve as the EGC in the Trough-Type Cable Trays, Ladder-Type Cable Trays, and Channel-Type Cable Trays paragraphs; and CCR 10730, able Tray Installation paragraph has been updated to prevent partial or complete obstruction of access by cable tray and tray supports. |
| Aug-2023 | N | UFGS 26 20 00 Interior Distribution System | Aug-2023 | R | Complete review and update to incorporate CCRs | |
| Oct-2007 | A | UFGS 26 22 00.00 10 480-Volt Station Service Switchgear and Transformers | Oct-2007 | R | Revised metrication | |
| Nov-2023 | A | UFGS 26 22 00.00 10 480-Volt Station Service Switchgear and Transformers | Nov-2023 | R | Complete review and update. | |
| Aug-2017 | N | UFGS 26 23 00 Low Voltage Switchgear | May-2015 | C | 1 | Updated to coordinate archiving of Section 23 09 23.13 20 BACnet Direct Digital Control Systems for HVAC to meet the requirement of 10 USC 2867 to adopt a “Department wide, Open Protocol, Energy Monitoring and Utility Control System Specification” for use in military construction and military family housing activities. |
| May-2015 | N | UFGS 26 23 00 Low Voltage Switchgear | May-2015 | R | This is a "REVISED" guide specification section number that, in part, replaces the original UFGS 26 23 00 Switchboards and Switchgear. The original guide specification was separated into two specifications: UFGS 26 23 00 Low Voltage Switchgear, and UFGS 26 24 13 Switchboards. This section has had a complete technical update. | |
| Jul-2006 | N | UFGS 26 23 00 Low Voltage Switchgear | Jul-2006 | R | Reference Update | |
| Nov-2019 | N | UFGS 26 23 00 Low Voltage Switchgear | May-2015 | C | 2 | Incorporated dispersal of criteria from the retired UFC 3-440-05N TROPICAL ENGINEERING, and the addition of corrosion protection criteria to coordinate with UFC 1-200-01 DoD BUILDING CODE. |
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