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-2025 | N | May-2025 | R | Complete review and update. |
|
| Aug-2018 | N | Nov-2016 | C | 2 | Sustainability updates required to coordinate with the Federal Codes and DoD policies and procedures. |
| Aug-2017 | N | Nov-2016 | 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-2016 | N | Nov-2016 | R | Complete revision. | |
| Aug-2015 | N | Aug-2008 | C | 3 | UFGS sustainability/energy updates to comply with Navy and DoD policies to enforce requirements of UFC 1-200-02 "High Performance and Sustainable Building Requirements". |
| Nov-2014 | N | Aug-2008 | C | 2 | Updated Products Section for chillers in Part 2. |
| Nov-2013 | N | Aug-2008 | C | 1 | Added subparts 2.3 and 3.2; revised subparts 2.2.2.2, 2.4.1, 2.7.13. 2.7.16, 2.8.5, 2.17.5.1 and 3.5.2 |
| Aug-2008 | N | 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 |
