History: Below is a listing of the Revisions and Changes made to this UFGS.
| KEY | PREPARING ACTIVITY (PA) | A Army | N Navy | F Air Force | S NASA [ARCHIVED] |
|---|---|---|---|---|---|
| ACTION | N New | R Revision | C Change | D Deletion |
| Release | PA | Date | Action | Change # | Nature of Change or Revision |
|---|---|---|---|---|---|
| May-2024 | N | May-2024 | 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 |
|
| Nov-2023 | N | May-2019 | C | 1 |
Updated information in Related Materials: <em>Three-Phase Pad-Mounted Transformer Details</em> |
| Nov-2019 | N | May-2019 | 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. |
| May-2019 | N | May-2019 | R |
New title (formerly THREE-PHASE PAD-MOUNTED TRANSFORMERS) CCR changes. |
|
| Aug-2018 | N | May-2017 | C | 3 |
Sustainability updates required to coordinate with the Federal Codes and DoD policies and procedures. |
| May-2018 | N | May-2017 | C | 4 |
Change incorporates minor corrections and coordinates the use of Non-mineral insulating oil. |
| May-2017 | N | May-2017 | R |
Revision included updating the minimum efficiency to meet 10 CFR 431, Subpart K, and meeting additional changes in transformer technology. |
|
| Feb-2012 | N | 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-2011 | N | Aug-2011 | R |
Major revision |
|
| Nov-2009 | N | Nov-2009 | R |
Major revision |
|
| Nov-2008 | N | Nov-2008 | R |
Meta Data (MTA) tag correction |
Comments
Superseding UFGS-26 12 19.10
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:31
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
Updated information on
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:31
Updated information in Related Materials: <em>Three-Phase Pad-Mounted Transformer Details</em>
Incorporated dispersal of
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:31
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)".
New title (formerly THREE
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:31
New title (formerly THREE-PHASE PAD-MOUNTED TRANSFORMERS) CCR changes.
Sustainability updates
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:31
Sustainability updates required to coordinate with the Federal Codes and DoD policies and procedures.
Change incorporates minor
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:31
Change incorporates minor corrections and coordinates the use of Non-mineral insulating oil.
Revision included updating
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:31
Revision included updating the minimum efficiency to meet 10 CFR 431, Subpart K, and meeting additional changes in transformer technology.
Modified subparts 2.2, 2.2.1,
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:31
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
major revision
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:31
Major revision
Major revision
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:31
Major revision
Meta Data (MTA) tag
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:31
Meta Data (MTA) tag correction